Agilent Technologies Welder 8922 P User Manual

HP /Agilen t 8922 GSM HSCSD Test System  
Op tion #K09  
Su p p lem en ta r y  
User s Gu id e  
System s Cover ed  
HP /Agilen t 8922 P Mu lti-Ba n d Test System  
Ma n u fa ctu r in g Pa r t Nu m ber : 08922-90218  
© Copyright February 1999 Agilent Technologies  
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Lim ita tion of Rem ed ies a n d Lia bility  
THE REMEDIES PROVIDED HEREIN ARE BUYERS SOLE AND  
EXCLUSIVE REMEDIES. AGILENT TECHNOLOGIES SHALL NOT  
BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL,  
OR CONSEQUENTIAL DAMAGES, WHETHER BASED ON  
CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.  
Resp on sibilities of th e Cu stom er  
The customer shall provide;  
Access to the products during the specified periods of coverage to  
perform maintenance.  
Adequate working space around the products for servicing by Agilent  
Technologies personnel.  
Access to and use of all information and facilities determined  
necessary by Agilent Technologies to service and/or maintain the  
products. (In so far as these items may contain proprietary or  
classified information, the customer shall assume full responsibility  
for safeguarding and protection from wrongful use.)  
Routine operator maintenance and cleaning as specified in the  
Agilent Technologies Operating and Service Manuals.  
Consumables such as paper, disks, magnetic tapes, ribbons, inks,  
pens, gases, solvents, lamps, filters, fuses, seals, etc.  
Cer tifica tion  
Agilent Technologies certifies that this product met its published  
specifications at the time of shipment from the factory. Agilent  
Technologies further certifies that its calibration measurements are  
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traceable to the United States National Bureau of Standards and  
Technology, to the extent allowed by the Bureaus calibration facility, and  
to the calibration facilities of other International Standards  
Organization members.  
Assista n ce  
Product maintenance agreements and other customer assistance  
agreements are available forAgilent Technologies products.  
For any assistance, contact your local Agilent Technologies Sales and  
Service Office. For a list of contact information, Sales and Service  
Offices” on page 72.  
Notices  
The information contained in this document is subject to change without  
notice. AGILENT TECHNOLOGIES MAKES NO WARRANTY OF ANY  
KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT  
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY  
AND FITNESS FOR A PARTICULAR PURPOSE. Agilent Technologies  
shall not be liable for errors contained herein or for incidental or  
consequential damages in connection with the furnishing, performance  
or use of this material.  
Agilent Technologies assumes no responsibility for the use or reliability  
of its software on equipment that is not furnished by Agilent  
Technologies.  
Restr icted Righ ts Legen d  
If Software is for use in the performance of a U.S. Government prime  
contract or subcontract, Software is delivered and licensed as  
"Commercial computer software" as defined in DFAR 252.227-7014 (June  
1995), or as a "commercial item" as defined in FAR 2.101(a) or as  
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"restricted computer software" as defined in FAR 52.227-19 (June 1987)  
or any equivalent agency regulation or contract clause. Use, duplication  
or disclosure of Software is subject to Agilent Technologies’ standard  
commercial license terms and non-DOD Departments and Agencies of  
the U.S. Government will receive no greater than Restricted Rights as  
defined in FAR 52.227-19(c)(1-2) (June 1987). U.S. Government users will  
receive no greater than Limited Rights as defined in FAR 52.227-14  
(June 1987) or DFAR 252.227-7015 (b)(2) (November 1995), as applicable  
in any technical data. Copyright 2000 Agilent Technologies Inc. All  
Rights Reserved.  
Sta tem en t of Com p lia n ce  
This product conforms to EN61010-1(1993) / IEC 1010-1(1990)  
+A1(1992) +A2(1994) /CSA C22.2 No. 1010.1(1993) Safety requirements  
for Electrical Equipment for Measurement, Control and Laboratory Use,  
and has been supplied in a safe condition. The instruction documentation  
contains information and warnings which must be followed by the user  
to ensure safe operation and to maintain the instrument in a safe  
condition.  
Electr om a gn etic Com p a tibility (EMC)  
In for m a tion  
This product has been designed to meet the protection requirements of  
the European Communities Electromagnetic Compatibility (EMC)  
directive:  
EN55011:1991 (Group 1, Class A)  
EN50082-1:1992  
- IEC 1000-4-2 (1995) ESD  
- IEC 1000-4-3 (1995) Radiated Susceptibility  
- IEC 1000-4-4 (1995) EFT  
In order to preserve the EMC performance of this product, any cable  
which becomes worn or damaged, must be replaced with the same type  
and specification.  
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Sou n d Em ission  
Ma n u fa ctu r er s Decla r a tion  
This statement is provided to comply with the requirements of the  
German Sound Emission Directive, from 18 January 1991.  
This product has a sound pressure emission (at the operator position) <  
70 dB(A).  
Sound Pressure Lp < 70 dB(A).  
At Operator Position.  
Normal Operation.  
According to ISO 7779:1988/EN 27779:1991 (Type Test).  
Her steller besch ein igu n g  
Diese Information steht im Zusammenhang mit den Anforderungen der  
Maschinenlärminformationsverordnung vom 18 Januar 1991.  
Schalldruckpegel Lp < 70 dB(A).  
Am Arbeitsplatz.  
Normaler Betrieb.  
Nach ISO 7779:1988/EN 27779:1991 (Typprfung).  
Sa fety In for m a tion  
The following general safety precautions must be observed during all  
phases of operation, service, and repair of this instrument. Failure to  
comply with these precautions or with specific warnings elsewhere in  
this manual violates safety standards of design, manufacture, and  
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intended use of the instrument. Agilent Technologies assumes no  
liability for the customers failure to comply with these requirements.  
WARNING  
Th is is a Sa fety Cla ss I in str u m en t (p r ovid ed w ith a p r otective  
ea r th in g gr ou n d , in cor p or a ted in th e p ow er cor d ). Th e m a in s  
p lu g sh a ll on ly be in ser ted in a sock et ou tlet p r ovid ed w ith a  
p r otective ea r th con ta ct. An y in ter r u p tion of th e p r otective  
con d u ctor in sid e or ou tsid e of th e in str u m en t is lik ely to m a k e  
th e in str u m en t d a n ger ou s. In ten tion a l in ter r u p tion is  
p r oh ibited .  
DO NOT operate the product in an explosive atmosphere or in the  
presence of flammable gasses or fumes.  
DO NOT use repaired fuses or short-circuited fuseholders: For continued  
protection against fire, replace the line fuse(s) only with fuse(s) of the  
same voltage and current rating and type.  
DO NOT perform procedures involving cover or shield removal unless  
you are qualified to do so: Operating personnel must not remove  
equipment covers or shields. Procedures involving the removal of covers  
and shields are for use by service-trained personnel only.  
DO NOT service or adjust alone: Under certain conditions, dangerous  
voltages may exist even with the equipment switched off. To avoid  
dangerous electrical shock, service personnel must not attempt internal  
service or adjustment unless another person, capable of rendering first  
aid and resuscitation, is present.  
DO NOT operate damaged equipment: Whenever it is possible that the  
safety protection features built into this product have been impaired,  
either through physical damage, excessive moisture, or any other reason,  
REMOVE POWER and do not use the product until safe operation can be  
verified by service-trained personnel. If necessary, return the product to  
an Agilent Technologies Sales and Service Office for service and repair  
to ensure the safety features are maintained.  
DO NOT substitute parts or modify equipment: Because of the danger of  
introducing additional hazards, do not install substitute parts or perform  
any unauthorized modification to the product. Return the product to an  
Agilent Technologies Sales and Service Office for service and repair to  
ensure the safety features are maintained.  
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Sa fety Sym bols  
The following symbols on the instrument and in the manual indicate  
precautions which must be taken to maintain safe operation of the  
instrument  
Safety Symbols  
The Instruction Documentation Symbol. The product is  
marked with this symbol when it is necessary for the user  
to refer to the instructions in the supplied documentation.  
Indicates the field wiring terminal that must be connected  
to earth ground before operating the equipment - protects  
against electrical shock in case of fault.  
Frame or chassis ground terminal - typically connects to  
the equipment's metal frame.  
Alternating current (AC)  
Direct current (DC)  
Indicates hazardous voltages.  
WARNING  
CAUTION  
Warning denotes a hazard. It calls attention to a  
procedure, which if not correctly performed or adhered to  
could result in injury or loss of life. Do not proceed  
beyond a warning note until the indicated conditions are  
fully understood and met.  
Caution denotes a hazard. It calls attention to a  
procedure, which if not correctly performed or adhered to  
could result in damage to or destruction of the  
instrument. Do not proceed beyond a warning note until  
the indicated conditions are fully understood and met.  
viii  
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Safety Symbols  
The CE mark shows that the product complies with all  
relevant European Legal Directives.  
ISM 1-A  
This is a symbol of an Industrial, Scientific, and Medical  
Group 1 Class A product.  
The CSA mark is a registered trademark of the Canadian  
Standards Association, and indicates compliance to the  
standards defined by them.  
Indicates that a laser is fitted. The user must refer to the  
manual for specific Warning or Caution information to  
avoid personal injury or damage to the product.  
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Abou t th is Gu id e  
Over view  
This Users Guide is a supplement to the manuals currently supplied  
with the HP/Agilent 8922 GSM Test Sets. The information contained in  
this Users Guide is only relevant to the additional features of the HP/  
Agilent 8922 GSM HSCSD Test System. For more information on the  
HP/Agilent 8922 and HP/Agilent83220, refer the following Guides;  
Agilent 8922M⁄S Users Guide  
Agilent 8922M⁄S Programming Reference Guide  
Agilent 83220A⁄E Users Guide  
Agilent Multi-Band Test System Supplementary Users Guide  
User s Gu id e - Abbr evia tion s  
For clarity, and unless otherwise stated, the following abbreviations will  
be used:  
HP /Agilen t 8922P /X Op tion 010: this will be abbreviated to HP/  
Agilent 8922  
HP /Agilen t 83220A/E Op tion 010: this will be abbreviated to HP/  
Agilent 83220  
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Con ten ts  
1. Un d er sta n d in g th e HP /Agilen t 8922 GSM HSCSD Test System  
Getting an overview of the HP/Agilent 8922 GSM HSCSD Test System .2  
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
2. Settin g u p th e HP /Agilen t 8922 GSM HSCSD Test System  
Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
Checking the HP/Agilent 8922 Requirements for HSCSD . . . . . . . . . . . .7  
Making the front panel connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8  
Making the rear panel connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Enabling the HSCSD functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11  
Calibrating the overall system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14  
3. Ma n u a l op er a tion  
Configuring the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16  
Establishing a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Making measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Choosing which timeslot to measure. . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Measuring BER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Changing band and making measurements in the  
E-GSM900 and DCS 1800 bands19  
Changing power levels, timeslot and channels . . . . . . . . . . . . . . . . . . . .20  
Ending a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21  
4. Scr een s  
Config screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24  
1. Instrument type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24  
2. Slave address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26  
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Con ten ts  
HSCSD screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  
1. Master downlink amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  
2. Slave offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
3. Master channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
4. Master timeslot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30  
5. Slave timeslot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30  
6. Call Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31  
7. Data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32  
8. Measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32  
9. Master Tx level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33  
10. Master input level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34  
11. Master mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35  
12. Slave Tx level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35  
13. Slave input level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36  
14. Slave control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37  
15. Mobile reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
16. Peak power display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
17. To Screen menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
Fast BER Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39  
Loopback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40  
5. Rem ote op er a tion  
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42  
Configure Subsystem GPIB Commands . . . . . . . . . . . . . . . . . . . . . . . . . 43  
CONFigure:INSTrument[:TYPE]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43  
Display Subsystem GPIB Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 44  
DISPlay:SCReen HSCSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44  
HSCSD Subsystem GPIB Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 45  
HSCSd:MASTer:TCH:ARFCn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48  
HSCSd:MASTer:STATus:TCH:TSLot . . . . . . . . . . . . . . . . . . . . . . . . . 49  
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Con ten ts  
HSCSd:MASTer:DOWNlink:AMPLitude . . . . . . . . . . . . . . . . . . . . . . .50  
HSCSd:MASTer:TCH:TLEVel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51  
HSCSd:MASTer:UPLink:AMPLitude . . . . . . . . . . . . . . . . . . . . . . . . . .52  
HSCSd:MASTer:UPLink:AMPLitude:CONTrol . . . . . . . . . . . . . . . . . .53  
HSCSD:MASTer:CALL:TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54  
HSCSD:MASTer:CALL:RATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55  
HSCSd:SLAVe:STATus:SYNC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56  
HSCSd:SLAVe:STATus:TCH:TSLot? . . . . . . . . . . . . . . . . . . . . . . . . . .57  
HSCSd:SLAVe:DOWNlink:AMPLitude:OFFSet. . . . . . . . . . . . . . . . . .58  
HSCSd:SLAVe:TCH:TLEVel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59  
HSCSd:SLAVe:UPLink:AMPLitude . . . . . . . . . . . . . . . . . . . . . . . . . . .60  
HSCSd:SLAVe:UPLink:AMPLitude:CONTrol . . . . . . . . . . . . . . . . . . .61  
Remote operating procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62  
Configuring the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62  
Establishing a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63  
Making measurements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63  
Changing channels, timeslot and power levels . . . . . . . . . . . . . . . . . . .64  
Ending a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65  
Example code showing a dual-band handover from E-GSM to DCS . . .66  
6. Retu r n in g equ ip m en t for r ep a ir  
Return Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70  
Sales and Service Offices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72  
Asia Pacific:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72  
Japan: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72  
Australia/New Zealand: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72  
Canada: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73  
Europe: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73  
Latin America: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73  
United States:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73  
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Con ten ts  
A. Up gr a d in g th e HOP Con tr oller ROM a n d Fir m w a r e  
Upgrading the Hop Controller ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76  
Upgrading the firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80  
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1
Un d er sta n d in g th e HP /Agilen t  
8922 GSM HSCSD Test System  
This chapter provides an overview of the HP/Agilent 8922 GSM HSCSD  
Test System.  
1
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Understanding the HP/Agilent 8922 GSM HSCSD Test System  
Getting an overview of the HP/Agilent 8922 GSM HSCSD Test System  
Gettin g a n over view of th e HP /Agilen t 8922  
GSM HSCSD Test System  
The HP/Agilent 8922 GSM HSCSD Test System option #K09, is ideal for  
mobile testing in research and development, and can also be used in  
manufacturing test applications. The HP/Agilent 8922 GSM HSCSD Test  
System option #K09 consists of two HP/Agilent 8922 P systems  
connected together in a master/slave setup as shown below. A single unit  
version of the HP/Agilent 8922 GSM HSCSD Test System (option #K17),  
ideal for manufacturing and service test, is also available.  
Figu r e 1-1  
Th e HP /Agilen t 8922 GSM HSCSD Test System , op tion #K09  
Remote operation using  
GPIB commands  
Slave unit  
Master unit  
Frame reset  
10 MHz  
GPIB control bus  
Manual operation using  
front panel user interface  
2
Chapter1  
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Understanding the HP/Agilent 8922 GSM HSCSD Test System  
Getting an overview of the HP/Agilent 8922 GSM HSCSD Test System  
The HP/Agilent 8922 GSM HSCSD Test System is used either as a  
stand-alone instrument controlled manually via the front panel user  
interface, or as part of an automated test system controlled remotely  
over the GPIB bus using a PC or workstation. Note that manual and  
remote operation are not possible simultaneously.  
The HP/Agilent 8922 GSM HSCSD Test System provides one  
configuration consisting of two uplink and two downlink timeslots (2x2)  
or two downlink and one uplink timeslot (2x1). Data rates of 9.6 and 14.4  
kbit/s on each timeslot are supported. The timeslots used are always  
adjacent, with the master channel in the first of these slots. You are able  
to independently change the uplink and downlink power levels on the  
two downlink timeslots and make measurements on either timeslot as  
required.  
Note that the system does not perform any data channel decoding on the  
uplinks and only provides pre-coded data on the downlinks. The current  
system only allows transparent data links, which means that the RLP  
data layer is not supported.  
Operating modes The master unit operates in Active Cell Mod e and is responsible for all  
protocol messages. The mobile must therefore camp to the master unit,  
establish the call to it and receive channel assignment commands from it  
etc.  
The slave unit operates in Test Mod e. It generates a second downlink  
TCH and can analyze a second uplink TCH (if it exists). The slave unit  
remains in synchronization with the master unit at all times.  
The BCH of the slave unit includes information to prevent the mobile  
from camping to the slave, thus ensuring that the mobile camps to the  
master unit. To discourage unsynchronised operation, the slave unit does  
not generate a downlink TCH unless it has received a reset signal from  
the master unit.  
Chapter 1  
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Understanding the HP/Agilent 8922 GSM HSCSD Test System  
Features  
Fea tu r es  
The HP/Agilent 8922 GSM HSCSD Test System supports the following  
features. The full range of features available in speech mode is  
maintained.  
Support of fully variable power level of each active timeslot on the  
downlink. This provides complete freedom to control the amplitude of  
the downlinks.  
Support of fully independent power control by protocol of each active  
timeslot on the uplink. This allows you to independently set the Tx  
level of each timeslot.  
Transmit SACCH in each active slot on the downlink (call  
maintenance + power control) according to ETSI multi-frame  
structure. This provides a SACCH frame in the correct position on  
both the downlink TCHs.  
All existing measurement functionality and performance maintained  
and performed on any slot independently. You can select either uplink  
slot to measure, either by selecting one instrument or via a field on  
the user interface.  
Support of protocol to set up a 2x2 or 2x1, 9.6 or 14.4 kbps timeslot  
uplink/downlink data channel (both Mobile Originated and Mobile  
Terminated). The existing HP/Agilent 8922P functionality to  
originate or receive a call is still available.  
Support of burst-by-burst (fast) BER test on both 14.4 kbps timeslot  
data channels simultaneously. The existing bit error test functionality  
of the HP/Agilent 8922P is available in speech mode only.  
You can select any timeslot for the master channel in the range 2  
through 5. The slave timeslot is always the following slot. Any  
ARFCN can be used in any of the currently supported bands  
(GSM900, E-GSM, DCS1800 and PCS1900).  
Dual-band assignment supported. The existing HP/Agilent 8922P  
functionality to perform a dual-band assignment is maintained.  
All 2x2 HSCSD calls are in transparent mode and all 2x1 calls are in  
non-transparent mode.  
4
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2
Settin g u p th e HP /Agilen t 8922  
GSM HSCSD Test System  
This chapter describes how to connect and set up the HP/Agilent 8922  
GSM HSCSD Test System.  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Before you start  
Befor e you sta r t  
WARNING  
Th e HP /Agilen t 8922 is a Sa fety Cla ss 1 p r od u ct (p r ovid ed w ith a  
p r otective ea r th ter m in a l). A sa fety ea r th gr ou n d m u st be  
p r ovid ed fr om th e m a in s p ow er sou r ce to th e p r od u ct in p u t  
w ir in g ter m in a ls, p ow er cor d , or su p p lied p ow er cor d set.  
Wh en ever it is lik ely th a t th e p r otection h a s been im p a ir ed , th e  
HP /Agilen t 8922 GSM HSCSD Test System m u st be m a d e  
in op er a tive a n d be secu r ed a ga in st a n y u n in ten d ed op er a tion .  
WARNING  
If th e HP /Agilen t 8922 is to be en er gized via a n exter n a l  
a u totr a n sfor m er for volta ge r ed u ction , m a k e su r e th a t th e  
com m on ter m in a l is con n ected to th e n eu tr a l p ole of th e p ow er  
sou r ce.  
6
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Checking the HP/Agilent 8922 Requirements for HSCSD  
Ch eck in g th e HP /Agilen t 8922 Requ ir em en ts  
for HSCSD  
To run the HSCSD functionality you need two HP/Agilent 8922 P  
systems (one acting as a master and one acting as a slave). Each system  
must be running firmware version C.01.06 or later and contain a HOP  
Controller ROM with a revision number of 19980730or greater.  
To check which version of firmware is running on the HP/Agilent 8922,  
go to the Config screen.  
To check which version of HOP Controller ROM is installed in the HP/  
Agilent 8922, go to the Service screen and select the hop_revisionlatch.  
For details on how to upgrade the HP/Agilent 8922s HOP Controller  
ROM and firmware, see Appendix A , Upgrading the HOP Controller  
ROM and Firmware,” on page 75.  
Chapter 2  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Making the front panel connections  
Ma k in g th e fr on t p a n el con n ection s  
Before you connect the two HP/Agilent 8922 P systems together to form  
the HP/Agilent 8922 GSM HSCSD Test System, ensure that both HP/  
Agilent 8922 P systems are connected and calibrated as described in the  
HP/ Agilent 8922 Multi-Band Test System Supplementary Users Guide.  
For details on the HP/Agilent 8922P front panel connections, see the HP  
8922 Multi-Band Test System Supplementary Users Guide.  
The RF flow must be combined and split between the two HP/Agilent  
8922P systems. This is done by connecting the supplied RF link cable  
(08922-61185) between the Coupled RF Port on the dual band HP/  
Agilent 83220 of the master unit and the GSM/DCS/PCS RF In/Out port  
on the HP/Agilent 83220 of the slave unit.  
Figu r e 2-1  
Fr on t p a n el con n ection s  
Master  
Slave  
Connect mobile here  
RF link cable  
8
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Making the rear panel connections  
Ma k in g th e r ea r p a n el con n ection s  
Before connecting the two HP/Agilent 8922 P systems to form the HP/  
Agilent 8922 GSM HSCSD Test System, ensure that both HP/Agilent  
8922 P systems are connected and calibrated as described in the HP/  
Agilent 8922 Multi-Band Test System Supplementary Users Guide. See  
the HP/ Agilent 8922 GSM Test Set Users Guide and the HP/ Agilent  
83220 Users Guide for details on the rear panel connections.  
To make the rear panel connections of the HP/Agilent 8922 GSM HSCSD  
Test System:  
Step 1. Connect the system bus cable from the master unit to the slave unit (the  
end with the BNC connection must be connected to the master unit).  
If you are not connecting the BNC connector on the system bus cable to  
for example, a spectrum analyzer, then terminate the connection using  
the BNC terminator provided.  
Step 2. Connect the GPIB cable from the GPIB port on the master unit to the  
GPIB port on the slave unit.  
NOTE  
If you are operating the HP/Agilent 8922 GSM HSCSD Test System  
manually do not connect another GPIB controller to the GPIB bus. The  
master unit operates as the controller and another device attached to the  
GPIB bus results in conflicts on the GPIB bus.  
Step 3. Connect the 10 MHz reference cable from the 10MHz OUT port on the  
master unit to the Ref IN port on the HP/Agilent 83320 of the slave unit.  
The HSCSD connections are shown below.  
Chapter 2  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Making the rear panel connections  
Figu r e 2-2  
Rea r p a n el con n ection s  
GPIB cable  
System bus cable  
10 MHz reference  
cable  
Slave  
Master  
10  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Enabling the HSCSD functionality  
En a blin g th e HSCSD fu n ction a lity  
You must enable the HSCSD test functionality within the HP/Agilent  
8922 using the keycard supplied as follows.  
Step 1. Power on the HP/Agilent 8922.  
Step 2. Insert the keycard into the HP/Agilent 8922.  
Figu r e 2-3  
In ser tin g th e k eyca r d in to th e HP /Agilen t 8922  
Step 3. Press the  
key on the front panel of the HP/Agilent 8922 to  
TESTS  
access the TESTSscreen.  
Chapter 2  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Enabling the HSCSD functionality  
Figu r e 2-4  
Tests scr een  
Step 4. Set Locationto CARD.  
Step 5. Select the Procedurefield and select ENABLEas the procedure.  
Step 6. Select the Run Test field or press the L1 key on the front panel of the  
HP/Agilent 8922 to run the program.  
The option HSCSD Masteris now present in the Instrument Typefield  
in the CONFIGUREscreen indicating that the HSCSD functionality is  
correctly enabled.  
12  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Enabling the HSCSD functionality  
Figu r e 2-5  
Con fig scr een  
HSCSD MASTER  
C.01.06  
To disable HSCSD To disable the HSCSD functionality, repeat steps 1 to 4 of the procedure  
functionality  
for enabling the functionality, set the Procedurefield to DISABLEin step  
5 and complete the rest of the procedure.  
Chapter 2  
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Setting up the HP/Agilent 8922 GSM HSCSD Test System  
Calibrating the overall system  
Ca libr a tin g th e over a ll system  
There is an RF loss through the system from the slave unit's reported  
output level to that observed by the mobile due to cable loss and a  
nominal 7 dB loss through the system. Therefore once you have  
connected the HP/Agilent 8922 GSM HSCSD Test System and calibrated  
each unit individually (see the HP/ Agilent 8922 Multi-Band Test System  
Supplementary Users Guide), you must calibrate the overall system to  
account for these losses. To do this you need to adjust the RF Level  
Offsetfield on the Config screen. To determine the necessary RF Level  
Offsetadjustments:  
Step 1. Connect a mobile to the HP/Agilent 8922 master unit and set up a call as  
described in Chapter 3 , Manual operation,” on page 15.  
Step 2. Go to HSCSD Control screen on both units and set each unit to measure  
the master uplink slot.  
Step 3. Go the Config screen on both units and set the RF Lev Offsetso that  
the transmitted power level of the master and slave units are the same.  
When the transmitted power level is the same on both the master and  
slave units the system is calibrated to account for its RF losses.  
NOTE  
NOTE  
RF losses may be different for GSM and DCS radio modes, therefore it is  
recommended that you perform calibration for both GSM and DCS.  
You must calibrate the system whenever any of the following occur:  
The HP/Agilent 8922 GSM HSCSD Test System is first set up.  
Any hardware component in the system is changed (HP/  
Agilent 83220 and/or HP/Agilent 8922).  
Different IF Link or Aux RF In/Out cables are used.  
After a RAM Initialize or Firmware Upgrade.  
You need to troubleshoot the system or localize faults.  
14  
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3
Ma n u a l op er a tion  
This chapter describes the basic procedures required to manually  
operate the HP/Agilent 8922 GSM HSCSD Test System. For more details  
on operating procedures, refer to the HP/ Agilent 8922M⁄S Users Guide.  
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Manual operation  
Configuring the system  
Con figu r in g th e system  
To configure the HP/Agilent 8922 GSM HSCSD Test System for manual  
operation, proceed as follows.  
NOTE  
NOTE  
You must configure the slave unit first as a frame reset is sent from the  
master unit to the slave unit as soon as the master unit is activated. The  
slave unit must be ready to receive this frame reset.  
If you are operating the HP/Agilent 8922 GSM HSCSD Test System  
manually do not connect another GPIB controller such as a PC to the  
GPIB bus. The master unit operates as the controller and any other  
device attached to the GPIB bus can result in conflicts on the GPIB bus.  
Step 1. On the slave unit, navigate to the CONFIGscreen and set the Instrument  
Typeto HSCSD Slave.  
Figu r e 3-1  
Con fig scr een  
C.01.06  
16  
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Manual operation  
Configuring the system  
The slave units GPIB address is now automatically set to 15 (seen in the  
IO Configscreen) which is the default Slave Addresssetting on the  
master unit. The slave units GPIB address must be the same as the  
Slave Addresssetting on the master unit and this helps to ensure this.  
The slave units Operating Modeis also automatically set to Test Mode  
(seen in the Cell Statusscreen).  
NOTE  
If the HP/Agilent 8922 GSM HSCSD Test System is not fitted with a new  
HOP Controller ROM, selecting HSCSD Master or HSCSD Slaveresults  
in the error Hardware portion of upgrade not present. The test set  
will allow HSCSD operation, however the downlink signal could be  
scrambled when the TCH ARFCN is on or near the master or slave units  
BCH ARFCN. For details on upgrading the HOP Controller ROM, see  
Appendix A , Upgrading the HOP Controller ROM and Firmware,” on  
page 75  
Step 2. On the master unit, go to the CONFIGUREscreen and set the Instrument  
Typeto HSCSD Master.  
The master units Operating Modeis now automatically set to Active  
Cell Mode(seen in the Cell Statusscreen).  
The message Frame reset sentappears in the top left-hand corner of  
the master units screen indicating that the master unit has sent the  
frame reset to the slave unit.  
Note that the Slave Addressfield is set to 15 as default. This must  
match the slave units GPIB address, therefore if you change the Slave  
Addresssetting on the master unit, you must also change the slave  
units GPIB address to match.  
Chapter 3  
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Manual operation  
Establishing a call  
Esta blish in g a ca ll  
You establish a call in the same way as for a speech call.  
Step 1. Ensure that the master timeslot is the timeslot currently being  
measured on the master unit.  
To do this, navigate to the HSCSD control screen on the master unit and  
set the Measurefield to Master. If you do not do this the HP/Agilent 8922  
does not see the signalling from the mobile, and call set up fails.  
Step 2. Configure the call by navigating to the HSCSD control screen on the  
master unit, and setting Call Typeas a 2x2 or 2x1 and Data Rateto 9.6  
or 14.4 kbits/s as required.  
Step 3. Connect the mobile to the RF IN/OUT port located on the front panel of  
the master units HP/Agilent 83220 (see the HP/ Agilent 8922 Multi-  
Band Test System Supplementary Users Guide for more information  
about this port).  
Step 4. Switch on the mobile.  
The mobile now camps onto the broadcast channel.  
Step 5. Once the mobile is connected and successfully camped on to the master  
unit, initiate the call from the mobile (for example, by pressing SENDon  
the mobile, or by pressing ORG CALLon the HP/Agilent 8922 master  
unit). The display on the HP/Agilent 8922 now shows that the call status  
is CONNECTED.  
If the call cannot be established, it may be because the uplink power may  
differ from the HP/Agilent 8922s expected input level. The most likely  
reason for this type of problem is that the mobile or the IF Link cable has  
not been calibrated. For details on calibrating the system Calibrating  
the overall system” on page 14.  
18  
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Manual operation  
Making measurements  
Ma k in g m ea su r em en ts  
Once a call is established, you can make measurements as before—see  
the HP/ Agilent 8922 Users Guide for more details. Note however that  
there are two new factors which you need to consider: choosing which  
timeslot to perform measurements on, and performing BER on the two-  
unit system.  
Ch oosin g w h ich tim eslot to m ea su r e  
Any HSCSD instrument can measure the master or the slave timeslot.  
This selection is made on the HSCSD control screen, and the  
measurements on this screen include a reminder of which slot is  
currently being analysed. On other screens, where this reminder is not  
present, you must be aware of which slot you are measuring.  
Mea su r in g BER  
To perform BER, one instrument starts a measurement, while the other  
makes the measurement. Specifically, to perform BER on the slave  
timeslot, you must start the BER measurement on the master unit  
because it is the master unit which performs the signalling to place the  
mobile in loopback mode. Once this is done, the BER measurement must  
be started on the slave unit, where it will then run as normal. After the  
measurement is complete, and the master unit is returned to a different  
screen, the HP/Agilent 8922 signals the mobile and takes it back out of  
loopback mode.  
Ch a n gin g ba n d a n d m a k in g m ea su r em en ts in th e  
E-GSM900 a n d DCS 1800 ba n d s  
Changing band and making measurements in the E-GSM900 and  
DCS1800 bands are performed in the same way as for the HP/Agilent  
8922 Multi-Band System. See the HP/ Agilent8922 Multi-Band Test  
System Supplementary Users Guide for details.  
Chapter 3  
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Manual operation  
Changing power levels, timeslot and channels  
Ch a n gin g p ow er levels, tim eslot a n d ch a n n els  
You can change downlink and uplink power, TCH timeslot, and TCH  
ARFCN simply be typing in a new value on the HSCSD control screen. A  
dual band channel assignment can be performed using the existing  
procedure.  
Figu r e 3-2  
HSCSD con tr ol scr een  
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Manual operation  
Ending a call  
En d in g a ca ll  
Ending a call is the same procedure as that used for a standard HP/  
Agilent 8922 Test System, however the master unit must be measuring  
the master timeslot. Refer to the HP/ Agilent 8922M⁄S Users Guide for  
more information.  
NOTE  
To ensure that the call ends cleanly, the master unit must be measuring  
the master timeslot when the call is ended.  
Chapter 3  
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Manual operation  
Ending a call  
22  
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4
Scr een s  
This chapter describes the screens that are part of the HP/Agilent 8922  
GSM HSCSD Test System. For more details on all other screens, refer to  
the HP/ Agilent 8922M⁄S Users Guide. These screens are only available  
for firmware revision C.01.06 and later.  
23  
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Screens  
Config screen  
Con fig scr een  
Figu r e 4-1  
Con fig scr een  
1
2
C.01.06  
1. In str u m en t typ e  
Type  
menu  
Choices  
Speech  
HSCSD Master  
HSCSD Slave  
Speech  
Default  
HSCSD Master and HSCSD Slave indicate that the HP/Agilent 8922 is  
part of a multi-box solution.  
Note that selecting HSCSD Master temporarily sets the GPIB control  
field on the IO Config screen to Control (this happens whenever the  
master unit sends a user change to the slave unit). Before the master  
unit can control the slave unit, you must:  
24  
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Screens  
Config screen  
set the slave GPIB address to match the address of the slave unit  
make sure that the addresses of the slave and master units are  
different  
make sure that no other GPIB controller is active and attached to the  
system  
NOTE  
If you are operating the HP/Agilent 8922 GSM HSCSD Test System  
manually do not connect another GPIB controller such as a PC to the  
GPIB bus. The master unit operates as the controller and any other  
device attached to the GPIB bus can result in conflicts on the GPIB bus.  
Selecting HSCSD Slavesets the GPIB address of the instrument to 15 to  
match the default slave GPIB address of the master unit.  
If the HP/Agilent 8922 GSM HSCSD Test System is not fitted with a new  
HOP Controller ROM, selecting HSCSD Master or HSCSD Slaveresults  
in the error Hardware portion of upgrade not present. The test set  
will allow HSCSD operation, however the downlink signal could be  
scrambled when the TCH ARFCN is on or near the master or slave units  
BCH ARFCN. For details on upgrading the HP/Agilent 8922s HOP  
Controller ROM, see Upgrading the HOP Controller ROM and  
Firmware” on page 75.  
NOTE  
The Instrument typefield is reset to the default in the event of a reset  
or power cycle. Setting this field also resets all the default values on the  
HSCSD Controlscreen.  
Chapter 4  
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Screens  
Config screen  
2. Sla ve a d d r ess  
Type  
integer  
Units  
none (HP-IB address)  
Limits  
Default  
0 thru 30  
15  
The Slave addressfield appears only if you have selected HSCSD  
Masteras the instrument type and is the address used by the master  
unit to send GPIB commands to the slave unit. This is only used when  
the instrument is being operated manually.  
NOTE  
You must ensure that the GPIB address on the slave unit matches the  
value configured in the Slave addressfield on the master unit. The  
GPIB address of the slave unit is set in the IO Configscreen. However,  
if you set the instrument type as HSCSD Slave, the GPIB address of the  
slave is automatically set to 15 which is the default value of the Slave  
addressfield on the master unit.  
NOTE  
The default value is reset after a reset or power cycle. Note also that  
changing the instrument type does not reset the value of this field.  
26  
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Screens  
HSCSD screen  
HSCSD scr een  
Figu r e 4-2  
HSCSD Con tr ol scr een  
1
2
15  
16  
3
4
5
6
7
8
9, 12  
17  
10, 13  
12 14  
1. Ma ster d ow n lin k a m p litu d e  
Type  
floating point  
Units  
dBm only  
Limits (GSM900)  
Limits (E-GSM)  
Limits (DCS1800)  
Limits (PCS1900)  
Default  
-127.0 thru +1.0  
-127.0 thru +1.0  
-127.0 thru -12.0  
-127.0 thru -12.0  
-85.0  
The Master downlink amplitudefield shows the downlink amplitude  
of the master TCH. The amplitude of the slave TCH is calculated by  
Chapter 4  
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Screens  
HSCSD screen  
adding an offset (see page 28) to this value.  
NOTE  
The default is reset when you select the instrument type (see page 24).  
2. Sla ve offset  
Type  
floating point  
dBm only  
Units  
Limits (GSM900)  
Default  
-100.0 thru +100.0  
0.0  
The Slave offsetfield determines the downlink amplitude of the  
master TCH by selecting the difference in amplitude between the master  
and slave amplitudes. Below this field there is a read-only reminder of  
the absolute level of the slave TCH.  
Note that the resultant absolute amplitude must lie within the normal  
RF generator limits (-127.0 thru +1.0 dBm). The error Disallowed due  
to pulse mod configurationis returned if these limits are exceeded.  
On a master unit, changing the Slave offsetfield has no effect other  
than copying the value to the slave unit when being operated manually.  
On a slave unit, changing the Slave offsetfield changes the downlink  
amplitude of the unit. This field, when added to the master downlink  
amplitude (see page 27) always has the same value as the RF I/O  
generator amplitude.  
NOTE  
The default is reset when the instrument type (see page 24) is selected.  
3. Ma ster ch a n n el  
Type  
Units  
integer  
none (ARFCN)  
28  
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Screens  
HSCSD screen  
Limits (GSM900)  
Limits (E-GSM)  
1 thru 124  
0 thru 124; 995 thru 1024  
Limits (DCS1800)  
Limits (PCS1900)  
Default (GSM900)  
Default (E-GSM)  
Default (DCS1800)  
Default (PCS1900)  
512 thru 885  
512 thru 810  
30  
30  
512  
512  
The Master Channelfield shows the ARFCN of the TCH. There is only  
one ARFCN, as HSCSD systems place all timeslots on the same ARFCN.  
On a slave unit, setting this field changes the ARFCN of the downlink  
TCH and analyzer appropriately.  
On a master unit, this field sets the TCH ARFCN of the current call, or  
the TCH ARFCN to be used for the next call. An assignment command is  
sent to the mobile on the downlink FACCH.  
If you try to change the ARFCN but the measurement timeslot (see page  
32) is set to Slave, an error occurs and the setting is ignored. Without  
this error, the acknowledgment from the mobile would be missed if the  
HP/Agilent 8922 is analyzing the slave timeslot. The error reported is  
Select ‘Master’ to measure before signalling mobile.  
The value of this field is always the same as the TCH ARFCN on the Cell  
Status screen.  
NOTE  
The default is reset when the instrument type (see page 24) is selected.  
Chapter 4  
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Screens  
HSCSD screen  
4. Ma ster tim eslot  
Type  
integer  
Units  
none (timeslot)  
2 thru 5  
4
Limits  
Default  
The Master timeslotfield indicates which timeslot is used for the  
master TCH. As the slave TCH is always in the timeslot immediately  
after the master, changing this field sets the slave timeslot to the value  
master timeslot plus one.  
On a master unit or a single unit, the value of this field is always the  
same as the TCH timeslot field on the Cell Status screen.  
NOTE  
The default is reset when the instrument type (see page 24) is selected.  
5. Sla ve tim eslot  
Type  
read-only  
3 thru 6  
5
Values  
Default  
The relative position of the slave timeslot is fixed at +1. Therefore, if the  
master timeslot is set to 3, the slave timeslot is set to 4. Likewise, as the  
master timeslot changes, this field also changes.  
On a slave unit, the value of this field is always the same as the TCH  
timeslot field on the Cell Status screen.  
NOTE  
The default is reset when the instrument type (see page 24) is selected.  
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Screens  
HSCSD screen  
6. Ca ll Typ e  
Type  
Toggle  
None  
Units  
Default  
Values  
2x2  
2x2 or 2x1  
The Call Typefield determines which type of HSCSD call the HP/  
Agilent 8922 establishes the next time a call is initiated.  
If you select 2x1, the HP/Agilent 8922 tries to establish a call with 2  
downlinks and 1 uplink when a call is next initiated. The measure  
timeslot field will no longer be visible, nor will the controls concerned  
with the second uplink (Slave TX level, Slave input level, Slave  
input level control mode).  
If you select 2x2, the HP/Agilent 8922 sets up a call with 2 downlinks  
and 2 uplinks. The Measure timeslotfield appears, along with controls  
associated with the second uplink. The Measure timeslotfield is set to  
the default for each unit (slavefor slave, masterfor master).  
NOTE  
Each of these changes is subject to the conditions that a call must not be  
in progress when the change to this field is made and that the field will  
not change if changing the slave timeslot would make it take on an  
illegal value.  
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Screens  
HSCSD screen  
7. Da ta r a te  
Type  
Toggle  
Units  
None  
Choices  
Default  
“9.6” or “14.4”  
“9.6”  
The Data ratefield determines the data rate associated with the  
HSCSD 2x2 call. Selecting '9.6' sets up a call at 9.6 kbit/s per timeslot  
(19.2 kbit/s) and selecting '14.4' sets up a call at 14.4 kbit/s per timeslot  
(28.8 kbit/s).  
NOTE  
The value of the Data ratefield can not be changed while a call is in  
progress.  
8. Mea su r e  
Type  
Toggle  
Units  
None  
Choices  
“Master” or “Slave”  
“Slave”  
Default (slave unit)  
Default (other units)  
“Master”  
The Measure field sets which of the uplink TCHs are to be measured or  
demodulated. The display updates (next to the Mobile reportsand  
Peak Powerdisplays) to show which timeslot is being analyzed.  
The Measure field also selects which analyzer level to use, either the  
Master input level(see page 34) or the Slave input level(see  
page 36).  
NOTE  
The default is reset when you select the instrument type (see page 24).  
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Screens  
HSCSD screen  
9. Ma ster Tx level  
Type  
integer  
Units  
none (Tx level)  
Limits (GSM900)  
Limits (E-GSM)  
Limits (DCS1800)  
Limits (PCS1900)  
Default (GSM900)  
Default (E-GSM)  
Default (DCS1800)  
Default (PCS1900)  
1 thru 19  
1 thru 19  
0 thru 15  
0 thru 15; 30 thru 31  
15  
15  
10  
10  
On a master unit, the Master Tx levelfield requests a new transmit  
level for the uplink master TCH. On a slave unit, this field does not make  
this request.  
If the instrument is operating in standard mode, setting this field  
changes the master mode (see page 35) to MS TX Lev, then calculates  
and sets the masters expected input level (see page 34). If the  
instrument is operating in compatibility mode, setting this field only  
changes the masters expected input level when the control type for the  
master is set to MS TX Lev.  
NOTE  
The default is reset when you select the instrument type (see page 24).  
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Screens  
HSCSD screen  
10. Ma ster in p u t level  
Type  
float  
Units  
dBm only  
-27 thru +41.0  
-27 thru +41.0  
-47 thru +33.0  
-47 thru +33.0  
33.0  
Limits (GSM900)  
Limits (E-GSM)  
Limits (DCS1800)  
Limits (PCS1900)  
Default (compatibility mode)  
Default (GSM900)  
Default (E-GSM)  
Default (DCS1800)  
Default (PCS1900)  
13.0  
13.0  
10.0  
10  
The Master Input levelfield sets the expected power of the master  
uplink TCH. You can set the level indirectly by changing the master Tx  
level (see page 33) or you can change it directly. This value is used to set  
the RF analyzer level when the measurement timeslot (see page 32) is  
set to Master.  
If the instrument is operating in standard mode, setting this field  
changes the master control type (see page 35) to Manual.  
If the instrument is operating in compatibility mode and the master  
control type is MS TX Lev, then the instrument returns the error Can’t  
change setting while MS TX Lev mode is selected and does not  
make the setting.  
When the measurement timeslot is set to Master, this field always has  
the same value as the RF I/O analyser level.  
NOTE  
The default is reset when you select the instrument type (see page 24).  
34  
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Screens  
HSCSD screen  
11. Ma ster m od e  
Type  
menu  
Choices  
“Manual”, “MS Tx Lev”  
“Manual”  
Default (compatibility mode)  
Default (standard mode)  
“MS Tx Lev”  
The Master modefield either makes or breaks the link between the  
Master Tx level(see page 33) and the Master input level(see page  
34).  
NOTE  
Note that in standard mode, setting either of these other values change  
the Master modefield. See the description of these fields for an  
explanation of the level control mode.  
12. Sla ve Tx level  
Type  
integer  
Units  
none (Tx Level)  
Limits (GSM900)  
Limits (E-GSM)  
Limits (DCS1800)  
Limits (PCS1900)  
Default (GSM900)  
Default (E-GSM)  
Default (DCS1800)  
Default (PCS1900)  
1 thru 19  
1 thru 19  
0 thru 15  
0 thru 15; 30 thru 31  
15  
15  
10  
10  
On the slave, the Slave Tx levelfield sets the transmit level (Tx Level)  
of the slave TCH.  
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Screens  
HSCSD screen  
On both units, if the instrument is operating in standard mode, setting  
this field changes the slave control field (see page 37) to MS Tx Lev, then  
calculates and sets the slave expected input level (see page 36). If the  
instrument is operating in compatibility mode, setting this field only  
changes the slave expected input level when the slave control type is MS  
Tx Lev.  
NOTE  
The default is reset when you select the instrument type (see page 24).  
13. Sla ve in p u t level  
Type  
float  
Units  
dBm only  
-27 thru +41.0  
-27 thru +41.0  
-47 thru +33.0  
-47 thru +33.0  
33.0  
Limits (GSM900)  
Limits (E-GSM)  
Limits (DCS1800)  
Limits (PCS1900)  
Default (compatibility mode)  
Default (GSM900)  
Default (E-GSM)  
Default (DCS1800)  
Default (PCS1900)  
13.0  
13.0  
10.0  
10.0  
The Slave input levelfield sets the expected power of the slave uplink  
TCH. You can set the level indirectly by changing the Slave Tx level  
(see page 35) or change it directly. This value is used to set the RF  
analyzer level when the measurement timeslot (see page 32) is set to  
Slave.  
If the instrument is operating in standard mode, setting this field  
changes the slave control type (see page 37) to Manual.  
If the instrument is operating in compatibility mode, and the slave  
36  
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Screens  
HSCSD screen  
control type is MS Tx Lev, then the instrument returns an error (Can’t  
change setting while MS TX Lev mode is selected.) and does not  
make the setting.  
NOTE  
The default is reset when you select the instrument type (see page 24).  
14. Sla ve con tr ol  
Type  
menu  
Choices  
“Manual”, “MS Tx Lev”  
“Manual”  
Default (compatibility mode)  
Default (standard mode)  
“MS Tx Lev”  
The Slave controlfield either makes or breaks the link between the  
slave Tx level (see page 35) and the slave input level (see page 36).  
NOTE  
NOTE  
Note that in standard mode, setting either of these other values changes  
this field. See the description of these fields for an explanation of the  
level control mode.  
The default is reset when you select the instrument type (see page 24).  
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Screens  
HSCSD screen  
15. Mobile r ep or ts  
The Mobile Reportsare the same uplink SACCH reports as appear on  
the Cell Statusscreen. The reports are taken from whichever uplink  
timeslot is currently being analysed. You make this choice using the  
Measurement timeslotfield (see page 32).  
16. Pea k p ow er d isp la y  
The Peak Powerdisplay is the same measurement as appears on the  
Cell Statusscreen. The measurement is made on whichever uplink  
timeslot is currently being analyzed. You make this choice using the  
Measurement timeslotfield (see page 32). A reminder of which  
timeslot is currently being analysed appears on the right if the peak  
power display.  
17. To Scr een m en u  
For HSCSD, all of the To Screenand Moremenus are only changed in  
one way; the addition of the HSCSDchoice, which selects the screen as  
described in page 32.  
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Screens  
Fast BER Screen  
Fa st BER Scr een  
One extra field, labelled Loopback, appears in the Fast Bit Error screen,  
when the HP/Agilent 8922 is in 2x1 mode.  
Figu r e 4-3  
Fa st BER scr een  
The Loopbackfield is a toggle field and allows the choice of either master  
or slave. This instructs the mobile to either loopback the master channel  
on the downlink to the master uplink or loopback the slave downlink to  
the master uplink.  
Note that toggling the Loopbackfield does not immediately instruct the  
mobile to perform a loopback using the contents. Entering the screen  
sends the command to the mobile to close the loop. It is therefore  
necessary to enter the screen with this field set to loopback the downlink  
channel of choice.  
NOTE  
When performing Fast BER on the slave channel, it is necessary to start  
the measurement on the master unit because the master unit controls all  
the signalling with the mobile). As a result, this also starts a Fast BER  
measurement on the master unit which should be ignored.  
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Screens  
Fast BER Screen  
Loop ba ck  
Type  
toggle  
Choices  
Default  
“Master”, “Slave”  
“Master”  
The Loopbackfield selects which downlink slot is looped back on the  
master uplink.  
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5
Rem ote op er a tion  
This chapter explains how to operate the HP/Agilent 8922 GSM HSCSD  
Test System over the GPIB. The new GPIB commands for the HP/Agilent  
8922 GSM HSCSD Test System are detailed. For the syntax format of all  
other GPIB commands, see the Agilent 8922M⁄S Programming Reference  
Guide.  
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Remote operation  
Introduction  
In tr od u ction  
The general principle of operation is that the settings on the slave unit  
are relative to the settings on the master unit which allows the manual  
and remote interfaces to operate in the same way. It is therefore  
necessary to always consider the relationship between the two timeslots.  
Call setup and changing channels are handled by the master unit.  
However, it is vital that the slave unit remains on the same channel and  
timeslot (offset by one) as the master unit. Unlike the manual user  
interface, where a change made on the master unit is copied to the slave,  
controlling the system remotely involves taking control of both units. As  
most of the settings on the slave unit are relative to the master unit, the  
slave unit must know the configuration of the master unit. The following  
command sequence is a general example of how this is achieved.  
MasterAddr=715  
SlaveAddr=716  
OUTPUT MasterAddr;”HSCSD:MASTER:COMMAND <parameters>”  
OUTPUT SlaveAddr;”HSCSD:MASTER:COMMAND <parameters>”  
OUTPUT SlaveAddr;”HSCSD:SLAVE:COMMAND <parameters>”  
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Remote operation  
Configure Subsystem GPIB Commands  
Con figu r e Su bsystem GP IB Com m a n d s  
Figu r e 5-1  
Con figu r e In str u m en t Typ e com a n d syn ta x  
INSTrument[:TYPE]?  
CONFigure  
string  
Sp  
INSTrument[:TYPE]  
CONFigu r e:INSTr u m en t[:TYP E]  
Description  
Sets what role the HP/Agilent 8922 plays in the multi-slot test system.  
This selection differs from manually selecting the instrument type in two  
ways: the GPIB status does not change to Control, and the units GPIB  
address does not change.  
Note that you need to manually select two different GPIB addresses for  
the master and slave units.  
If the instrument has not been fitted with a new hop controller ROM,  
selecting HSCSD Masteror HSCSD Slaveresults in the error Hardware  
portion of upgrade not present. In this case the instrument allows  
HSCSD operation, but the downlink signal could be scrambled when the  
TCH ARFCN is placed on or near to the master or slave's BCH ARFCN.  
Syntax  
CONFigure:INSTrument[:TYPE]?  
CONFigure:INSTrument[:TYPE] <string>  
Command options SPEECH’ | HSCSD MASTER’ | HSCSD SLAVE’  
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Remote operation  
Display Subsystem GPIB Commands  
Disp la y Su bsystem GP IB Com m a n d s  
Figu r e 5-2  
Disp la y Scr een com m a n d syn ta x  
Sp  
string  
SCReen  
DISPlay  
DISP la y:SCReen HSCSD  
Description  
Syntax  
This command selects the HSCSD control screen (or an error screen if  
the system is not upgraded to run HSCSD).  
DISPlay:SCReen <string>  
Command options HSCSD’  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSD Su bsystem GP IB Com m a n d s  
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Remote operation  
HSCSD Subsystem GPIB Commands  
Figu r e 5-3  
HSCSD com m a n d syn ta x (m a ster u n it)  
HSCSd  
MASTer  
TCH  
ARFCn?  
ARFCn  
TSLot?  
TSLot  
Sp  
Sp  
integer  
integer  
TLEVel?  
TLEVel  
Sp  
integer  
STATus  
DOWNlink  
UPlink  
TCH  
ARFCn?  
TSLot?  
AMPLitude?  
AMPLitude  
real  
units  
AMPLitude?  
AMPLitude  
real  
CONTRol?  
CONTRol  
string  
Sp  
CALL  
TYPE?  
TYPE  
Sp  
string  
RATE?  
RATE  
TSLot  
Sp  
string  
MEASure  
Sp  
string  
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Remote operation  
HSCSD Subsystem GPIB Commands  
Figu r e 5-4  
HSCSD com m a n d syn ta x (sla ve u n it)  
HSCSd  
SLAVe  
TCH  
TLEVel?  
TLEVel  
Sp  
integer  
STATus  
SYNC?  
TCH  
TSLot?  
DOWNlink  
AMPLitude?  
AMPLitude  
real  
OFFSet  
real  
OFFSet?  
UPlink  
AMPLitude?  
AMPLitude  
real  
CONTrol?  
CONTrol  
string  
Sp  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :MASTer :TCH:ARF Cn  
Description  
Setting this during a call forces a channel assignment to the given  
channel. Note that existing channel assignment commands sent to a  
master or single unit have the same effect. In particular, a dual band  
assignment must be performed using the existing dual band commands.  
If the measurement timeslot is not set to Master, attempting to  
perform a channel assignment on a master or single unit will produce an  
error, and the setting will be ignored. The error message is Select  
Master to measure before signalling mobile. When the system is  
idle (that is, not on a call) this sets the channel which will be used when  
the next call is established. This command must also be sent to the slave  
unit.  
Syntax  
HSCSd:MASTer:TCH:ARFCn <integer>  
HSCSd:MASTer:TCH:ARFCn?  
Command options  
Type  
integer  
Units:  
none (ARFCN)  
Limits (GSM900):  
Limits (E-GSM):  
Limits (DCS1800):  
Limits (PCS1900):  
Default (GSM900):  
Default (E-GSM):  
Default (DCS1800):  
Default (PCS1900):  
1 thru 124  
0 thru 124; 995 thru 1024  
512 thru 885  
512 thru 810  
30  
30  
512  
51  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :MASTer :STATu s:TCH:TSLot  
Description  
Setting this during a call changes the master timeslot. Note that existing  
timeslot commands sent to a master or single unit have the same effect.  
When the system is idle (that is, not on a call) this sets the timeslot  
which will be used when the next command is established. In a multi-box  
system, this command must also be sent to the slave unit.  
Note that the slave timeslot is always the slot following the master.  
Consequently, in a multi-box system, the slave needs to know only the  
master timeslot.  
Syntax  
HSCSd:MASTer:STATus:TCH:TSLot <integer>  
HSCSd:MASTer:STATus:TCH:TSLot?  
Command options  
Type  
integer  
Units:  
Limits:  
Default:  
none (timeslot)  
2 thru 5  
4
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :MASTer :DOWNlin k :AMP Litu d e  
Description  
This sets the downlink amplitude of the master TCH. In all cases, this  
sets the TCH level. To change the amplitude of the GSM BCH in a dual  
band system, use the existing command DUALband:ATTenuation:GBCh.  
See the HP/ Agilent 8922 Multi-Band Test System Supplementary Users  
Guide for more details.  
This command must also be sent to the slave unit.  
Syntax  
HSCSd:MASTer:DOWNlink:AMPLitude?  
HSCSd:MASTer:DOWNlink:AMPLitude <real>  
Command 0ptions  
Type  
floating point  
dBm only  
Units:  
Limits (GSM900):  
Limits (E-GSM):  
Limits (DCS1800):  
Limits (PCS1900):  
Default:  
-127.0 thru +1.0  
-127.0 thru +1.0  
-127.0 thru -12.0  
-127.0 thru -12.0  
-85.0  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :MASTer :TCH:TLEVel  
Description  
During a call, this sets the Tx level of the master TCH.  
When the system is idle (that is, not on a call), this sets the Tx level to be  
used when the next call is established. Note that this value is used  
initially for both timeslots. It is only once the TCH is established, and the  
mobile begins to decode the downlink SACCH, that the individual Tx  
levels are used.  
In standard mode, this also sets the master units uplink amplitude  
control to MS TX LEV, and calculates and sets the master units expected  
uplink amplitude. See [reference] below for details of these commands.  
Syntax  
HSCSd:MASTer:TCH:TLEVel?  
HSCSd:MASTer:TCH:TLEVel <integer>  
Command options  
Type  
integer  
Units:  
none (Tx Level)  
Limits (GSM900):  
Limits (E-GSM):  
Limits (DCS1800):  
Limits (PCS1900):  
Default (GSM900):  
Default (E-GSM):  
Default (DCS1800):  
Default (PCS1900):  
1 thru 19  
1 thru 19  
0 thru 15  
0 thru 15; 30 thru 31  
15  
15  
10  
10  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :MASTer :UP Lin k :AMP Litu d e  
Description  
This sets the expected input level of the master TCH. In standard mode,  
this sets the masters uplink amplitude control to MANUAL. In  
compatibility mode, if the masters uplink amplitude control is set to MS  
TX LEVthen an error message Can’t change setting while MS TX  
Lev mode is selected.occurs and the setting is not performed.  
If the measurement timeslot is set to Master, the analyser level of the  
unit is set to this value.  
Syntax  
HSCSd:MASTer:UPLink:AMPLitude?  
HSCSd:MASTer:UPLink:AMPLitude <real> <units>  
Command options  
Type  
float  
Units:  
dBm only  
-27.0 thru +41.0  
-27.0 thru +41.0  
-47.0 thru +33.0  
-47.0 thru +33.0  
33.0  
Limits (GSM900):  
Limits (E-GSM):  
Limits (DCS1800):  
Limits (PCS1900):  
Default (compatibility mode):  
Default (GSM900)  
Default (E-GSM):  
Default (DCS1800):  
Default (PCS1900):  
13.0  
13.0  
10.0  
10.0  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :MASTer :UP Lin k :AMP Litu d e:CONTr ol  
Description  
This defines the relationship between the masters Tx level, and the  
masters expected uplink amplitude. MS TX LEVindicates that setting  
the masters Tx level also sets the masters expected uplink amplitude.  
MANUALindicates that setting the masters expected uplink amplitude is  
independent from the value of the masters Tx level.  
Note that in standard mode, setting either the masters Tx level, or the  
masters expected uplink amplitude, forces the value of the masters  
amplitude control to MS TX LEVor MANUALrespectively.  
Syntax  
HSCSd:MASTer:UPLink:AMPLitude:CONTrol?  
HSCSd:MASTer:UPLink:AMPLitude:CONTrol <string>  
Command options MS TX LEV’ | MANUAL’  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSD:MASTer :CALL:TYP E  
Description  
Syntax  
This command selects which type of call the HP/Agilent 8922 will set up  
the next time a call is initiated.  
HSCSd:MASTer:CALL:TYPE  
HSCSd:MASTer:CALL:TYPE?  
Command options  
Type  
toggle  
none  
Units  
Choices  
Default  
2x2 or 2x1  
2x2  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSD:MASTer :CALL:RATE  
Description  
Syntax  
This command selects the data rate of the call that the HP/Agilent 8922  
will set up the next time a call is initiated.  
HSCSD:MASTer:CALL:RATE  
HSCSD:MASTer:CALL:RATE?  
Command options  
Type  
toggle  
none  
Units  
Choices  
Default  
9.6 or 14.4  
9.6  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :SLAVe:STATu s:SYNC  
Description  
This read-only field indicates whether or not the slave unit is  
synchronised with the master unit. The status is set to DISABLEDwhen  
you set the instrument type to HSCSD SLAVE. This must be done before  
configuring the master unit. When the master unit is configured as  
HSCSD MASTER, a frame reset is sent from the master unit to the slave  
unit. Upon receiving this reset, the slave unit starts to generate a TCH,  
and the sync status field changes to ENABLED.  
Syntax  
HSCSd:SLAVe:STATus:SYNC?  
Command options Not applicable.  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :SLAVe:STATu s:TCH:TSLot?  
Description  
Syntax  
This query returns the absolute timeslot.  
For example, if the masters timeslot is 3, because the slaves timeslot  
offset is fixed at +1, HSCSd:SLAVe:STATus:TCH:TSLot?would return 4.  
HSCSd:SLAVe:STATus:TCH:TSLot?  
Command options Not applicable.  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :SLAVe:DOWNlin k :AMP Litu d e:OF F Set  
Description  
This sets the amplitude offset (in dBs) of the slave timeslot, using the  
masters downlink amplitude as a reference.  
The resulting amplitude must lie within the normal downlink power  
range. If not, the error Disallowed due to pulse mod configuration  
is produced, and the setting is ignored.  
Syntax  
HSCSd:SLAVe:DOWNlink:AMPLitude?  
HSCSd:SLAVe:DOWNlink:AMPLitude:OFFSet <real>  
Command options  
Type  
floating point  
dB only  
Units:  
Limits  
Default  
-100.0 thru 100.0  
0.0  
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HSCSD Subsystem GPIB Commands  
HSCSd :SLAVe:TCH:TLEVel  
Description  
During a call, this sets the Tx level of the slave TCH. When the system is  
idle (that is, not on a call), this sets the Tx level to be used when the next  
call is connected and the slave TCH is established.  
Note that this is not the Tx Level first used to establish the TCH. In  
standard mode, this also sets the slaves uplink amplitude control to MS  
TX LEV, and calculates and sets the slaves expected uplink amplitude.  
Syntax  
HSCSd:SLAVe:TCH:TLEVel?  
HSCSd:SLAVe:TCH:TLEVel <integer>  
Command options  
Type  
integer  
Units:  
dBm only  
Limits (GSM900):  
Limits (E-GSM):  
Limits (DCS1800):  
Limits (PCS1900):  
Default (GSM900):  
Default (E-GSM):  
Default (DCS1800):  
Default (PCS1900):  
1 thru 19  
1 thru 19  
0 thru 15  
0 thru 15; 30 thru 31  
15  
15  
10  
10  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :SLAVe:UP Lin k :AMP Litu d e  
Description  
This sets the expected input level of the slave timeslot.  
In standard mode, this sets the slaves uplink amplitude control to  
MANUAL. In compatibility mode, if the slaves uplink amplitude control is  
set to MS TX LEVthen an error occurs and the setting is not performed. If  
the measurement timeslot (see page 43) is set to Slave, the analyser  
level of the unit is set to this value.  
Syntax  
HSCSd:SLAVe:UPLink:AMPLitude?  
HSCSd:SLAVe:UPLink:AMPLitude <real> <units>  
Command options  
Type  
float  
Units:  
dBm only  
-27.0 thru +41.0  
-27.0 thru +41.0  
-47.0 thru +33.0  
-47.0 thru +33.0  
33.0  
Limits (GSM900):  
Limits (E-GSM):  
Limits (DCS1800):  
Limits (PCS1900):  
Default (compatibility mode):  
Default (GSM900)  
Default (E-GSM):  
Default (DCS1800):  
Default (PCS1900):  
13.0  
13.0  
10.0  
10.0  
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Remote operation  
HSCSD Subsystem GPIB Commands  
HSCSd :SLAVe:UP Lin k :AMP Litu d e:CONTr ol  
Description  
This defines the relationship between the slave Tx level, and the slave  
expected uplink amplitude. MS TX LEVindicates that setting the slaves  
Tx level also sets the slaves expected uplink amplitude. MANUALindicates  
that setting the slaves expected uplink amplitude is independent from  
the value of the slaves Tx level.  
Note that in standard mode, setting either the slave Tx level, or the slave  
expected uplink amplitude, forces the value of the slave amplitude  
control to MS TX LEVor MANUALrespectively.  
Syntax  
HSCSd:SLAVe:UPLink:AMPLitude:CONTrol  
HSCSd:SLAVe:UPLink:AMPLitude:CONTrol?  
Command options MS TX LEV’ | MANUAL’  
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Remote operation  
Remote operating procedures  
Rem ote op er a tin g p r oced u r es  
NOTE  
For remote operation to work:  
the two HP 8922P units must be put into master and slave mode by  
remote control  
HSCSD settings must be made on both HP/Agilent 8922 P units  
Con figu r in g th e system  
The slave unit must be configured and initialized before the master unit.  
Note that unlike manual configuration, the GPIB address of the slave  
unit does not have to be synchronized on both units.  
! Configure instruments; note we do slave first  
! for a single box, we send the single command  
! selecting ‘HSCSD SINGLE’  
OUTPUT Slave;”CONFIGURE:INSTRUMENT:TYPE ‘HSCSD SLAVE’”  
WAIT 3 !to make sure we are ready to receive reset from master  
OUTPUT Master;”CONFIGURE:INSTRUMENT:TYPE ‘HSCSD MASTER’”  
The slave unit must wait for the frame reset from the master unit.  
! select HSCSD screen  
OUTPUT Master;”DISPLAY:SCREEN HSCSD”  
OUTPUT Slave;”DISPLAY:SCREEN HSCSD”  
! and wait for slave to receive reset from master  
REPEAT !  
OUTPUT Slave;”HSCSD:SLAVE:STATUS:SYNC?”  
ENTER Slave;sync$  
UNTIL sync$=”””ENABLED”””  
!
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Remote operating procedures  
Esta blish in g a ca ll  
The procedure for establishing a call is the same as for speech. Note  
however, that you must be measuring the master uplink in the master  
unit.  
! establish a call, mobile terminated  
! note we only use the master to do this  
! make sure master is demodulating the master uplink  
OUTPUT Master;”HSCSd:MEASure:TSLot ‘SLAVE’  
!
OUTPUT Master;”DISPLAY:SCREEN CELL1”  
OUTPUT Master;”CELL:CALL:ORIGINATE”  
REPEAT  
OUTPUT Master;”CELL:CALL:STATUS:STATE?”  
ENTER Master;state$  
UNTIL state$=”””CONNECTED”””  
!
Ma k in g m ea su r em en ts  
Once a call is established, measurements are made as before.  
Any HSCSD instrument can measure the master or the slave timeslot.  
!
! analyse slave uplink on master unit  
OUTPUT Master;”HSCSd:MEASure:TSLot ‘SLAVE’”  
! make measurements as before  
!
! now analyse master uplink  
OUTPUT Master;”HSCSd:MEASure:TSLot ‘MASTER’”  
BER on a two unit system which is in 2x1 mode is complicated by the fact  
that the measurement must be started using the master unit, which  
performs the signalling with the mobile phone. Specifically, to perform  
BER on the slave timeslot, you must start the BER measurement on the  
master unit. This is because it is the master system which performs the  
signalling to place the mobile in loopback mode. Once this is done, the  
BER measurement must be started on the slave unit, where it then runs  
as normal. After the measurement is complete, the master unit returns  
to a different screen which causes the HP/Agilent 8922 to signal the  
mobile and take it back out of loopback mode.  
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Remote operation  
Remote operating procedures  
Ch a n gin g ch a n n els, tim eslot a n d p ow er levels  
Performing a channel assignment is a single instruction. Note that the  
slave unit must be kept in step with the master and the master must be  
measuring the master uplink prior to performing a channel assignment.  
Note also that a dual band channel assignment can be performed using  
the existing procedures.  
!
OUTPUT Master;”HSCSD:MASTER:MEASURE:TSLOT ‘MASTER’”  
OUTPUT Master;”HSCSD:MASTER:TCH:ARFCN 1”  
OUTPUT Slave;”HSCSD:SLAVE:TCH:ARFCN 1”  
Changing timeslot is similar, and must also be performed when  
analysing the master uplink.  
!
! select time slot  
OUTPUT Master;”HSCSD:MASTER:TCH:TSL 2”  
OUTPUT Slave;”HSCSD:SLAVE:TCH:TSL 2”  
Changing Tx Level is also simple. Note that Tx Level is not relative to  
the master setting, so the master level does not have to be sent to the  
slave unit. It does not matter which timeslot is being analysed at the  
time.  
! OUTPUT  
Master;”HSCSD:MASTER:TCH:TLEVEL 15”  
OUTPUT Slave;”HSCSD:SLAVE:TCH:TLEVEL 5”  
Setting the downlink power is simple as the slave offset can be any value.  
!
OUTPUT Master;”HSCSD:MASTER:DOWNLINK:AMPLITUDE -70”  
OUTPUT Slave;”HSCSD:MASTER:DOWNLINK:AMPLITUDE -70”  
OUTPUT Slave;”HSCSD:SLAVE:DOWNLINK:AMPLITUDE:OFFSET -30”  
64  
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Remote operation  
Remote operating procedures  
En d in g a ca ll  
Ending a call is performed in the same way as for speech.  
NOTE  
The master or single unit must be measuring the master timeslot for the  
call to end cleanly.  
OUTPUT Master;”CELL:CALL:END”  
Note that only the master unit is used.  
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Remote operation  
Example code showing a dual-band handover from E-GSM to DCS  
Exa m p le cod e sh ow in g a d u a l-ba n d h a n d over  
fr om E-GSM to DCS  
Some example code is listed below which performs a dual-band handover  
from E-GSM to DCS on an HP/Agilent 8922 GSM HSCSD Test System.  
The technique is to use the standard dual-band command sequence, but  
send this to both HP/Agilent 8922 units. Note that after ending a call,  
the slave unit remains in the DCS band, therefore it is good practice to  
set the radio band prior to starting the HSCSD call.  
10  
RE-SAVE "TwoBoxDB.bas"  
20 !  
30 ! Initialise program  
40 !  
50  
60  
70  
80  
90  
CLEAR SCREEN  
PRINT "Initialising program..."  
Master=714  
Slave=715  
Master_loss=4.1  
100 Slave_loss=11.8  
110 !  
120 CLEAR Master/100  
130 CLEAR Master  
140 CLEAR Slave/100  
150 CLEAR Slave  
160!  
170! Initialise instruments  
180! SLAVE FIRST!  
190!  
210 !  
220 ! Select E-GSM so we can perform dual band handover  
230 !  
240 OUTPUT Master;"Conf:Radio 'E-GSM'"  
250 OUTPUT Slave;"Conf:Radio 'E-GSM'"  
260 WAIT 3  
270 OUTPUT Slave;"Conf:Inst 'HSCSD Slave'"  
280 OUTPUT Master;"Conf:Inst 'HSCSD Master'"  
290 REPEAT  
300  
310  
320  
WAIT .5  
OUTPUT Slave;"HSCSD:Slave:Status:Sync?"  
ENTER Slave;Sync$  
330 UNTIL Sync$="""ENABLED"""  
340 ! Note that if the slave instrument has not had hscsd  
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Remote operation  
Example code showing a dual-band handover from E-GSM to DCS  
350 ! enabled, it will IMMEDIATELY return ENABLED  
360 !  
370 ! Select the HSCSD screen - it's easier to see what's  
380 ! happening for now  
390 OUTPUT Master;"DISP HSCSD"  
400 OUTPUT Slave;"DISP HSCSD"  
410 !  
420 ! Dial in RF losses  
430 !  
440 OUTPUT Master;"Conf:OFLevel:RFInOut ";-1*Master_loss  
450 OUTPUT Master;"Conf:OFLevel:Mode 'On'"  
460 OUTPUT Slave;"Conf:OFLevel:RFInOut ";-1*Slave_loss  
470 OUTPUT Slave;"Conf:OFLevel:Mode 'On'"  
480 !  
490 ! select big tx levels  
500 OUTPUT Master;"HSCSD:Master:TCH:TLevel 5"  
510 OUTPUT Slave;"HSCSD:Slave:TCH:TLevel 5"  
520 !  
530 ! Get a call up  
540 !  
550 ! Make sure master is listening to master uplink  
560 !  
570 OUTPUT Master;"HSCSD:Measure:TSlot 'Master'"  
580 !  
590 ! and wait for the call  
600 !  
610 PRINT "Make a call from the mobile..."  
620 REPEAT  
630  
640  
650  
WAIT .5  
OUTPUT Master;"Cell:Call:Stat:Stat?"  
ENTER Master;Stat$  
660 UNTIL Stat$="""CONNECTED"""  
670 PRINT "Call connected, press CONTINUE key to continue..."  
680 PAUSE  
690 !  
700 ! Now perform a dual band handover 710 !  
720 OUTPUT Master;"Disp DBand"  
730 OUTPUT Slave;"Disp DBand"  
740 OUTPUT Master;"DualBand:TCH:DCS 615"  
750 OUTPUT Master;"DualBand:TLevel:DCS 6"  
760 OUTPUT Master;"DualBand:Atten:GBCH '10 dB'"  
770 OUTPUT Master;"DualBand:Amplitude:DTCH -55 dBm"  
780 OUTPUT Slave;"DualBand:TCH:DCS 615"  
790 OUTPUT Slave;"DualBand:TLevel:DCS 6  
800 OUTPUT Slave;"DualBand:Atten:GBCH '10 dB'"  
810 OUTPUT Slave;"DualBand:Amplitude:DTCH -55 dBm"  
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Remote operation  
Example code showing a dual-band handover from E-GSM to DCS  
820 !  
830 OUTPUT Master;"DualBand:TCHC:Exec"  
840 OUTPUT Slave;"DualBand:TCHC:Exec"  
850 WAIT 3  
860 !  
870 OUTPUT Master;"Disp HSCSD"  
880 OUTPUT Slave;"Disp HSCSD"  
890 !  
900 !  
910 ! Terminate program  
920 !  
930 LOCAL Master  
940 LOCAL Slave  
950 STOP  
960 END  
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6
Retu r n in g equ ip m en t for r ep a ir  
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Returning equipment for repair  
Return Procedure  
Retu r n P r oced u r e  
If you need to return your HP/Agilent 8922 or HP/Agilent 83220 to  
Agilent Technologies, first obtain the correct Service Center shipping  
address from your local sales office and proceed as follows.  
Refer to Sales and Service Offices on page 72 for contact information.  
CAUTION  
Instrument damage can result from using packaging materials other  
than the original shipping materials or equivalent. Never use styrene  
pellets as packaging materials. They do not adequately cushion the  
instrument, do not prevent it from shifting in the carton, and can cause  
instrument damage due to ESD.  
Please send the following information with the returned instrument:  
— Type of service required.  
— Description of the problem and whether it is constant or  
intermittent.  
Name and phone number of technical contact person.  
— Return address.  
— Model number of returned instrument.  
Full serial number of returned instrument.  
— List of any accessories returned with instrument  
Send copies of any performance data recorded for the instrument.  
Pack the instrument in the original shipping materials or the  
equivalent.  
If the original shipping materials are not available, follow these steps  
to repackage the instrument for shipment:  
1. Wrap the instrument in antistatic plastic to reduce the possibility  
of ESD-caused damage.  
2. Obtain a double-walled, corrugated cardboard carton of 159 kg  
(350 lb) test strength. The carton must be large enough and strong  
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Returning equipment for repair  
Return Procedure  
enough to accommodate the instrument. Allow at least 7 to 10 cms  
on all sides of the instrument for packing material.  
3. Surround the instrument with 7 to 10 cms of packing material to  
protect it and prevent it from moving in the carton.  
4. Seal the carton with strong nylon adhesive tape.  
5. Mark the carton "FRAGILE, HANDLE WITH CARE."  
6. Retain copies of all shipping papers.  
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Returning equipment for repair  
Sales and Service Offices  
Sa les a n d Ser vice Offices  
Any adjustment, maintenance, or repair of this product must be performed  
by qualified personnel. Contact your customer engineer through your local  
Agilent Technologies Service Center. You can find a list of local service  
service representatives on the web at.  
You can also contact one of the following centers and ask for a test and  
measurement sales representative.  
Asia Pacific:  
Agilent Technologies  
19/F, Cityplaza One, 1111 King’s Road,  
Taikoo Shing, Hong Kong, SAR  
(tel) (852) 2599 7889  
(fax) (852) 2506 9233  
Japan:  
Agilent Technologies Japan Ltd.  
Measurement Assistance Center  
9-1, Takakura-Cho, Hachioji-Shi  
Yokyo, 192-8510  
(tel) (81) 426 56 7832  
(fax) (81) 426 56 7840  
Australia/New Zealand:  
Agilent Technologies Australia Pty Ltd  
347 Burwood Highway  
Forest Hill, Victoria 3131  
(tel) 1-800 629 485 (Australia)  
(fax) (61 3) 9272 0749  
(tel) 0 800 738 378 (New Zealand)  
(fax) (64 4) 802 6881  
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Returning equipment for repair  
Sales and Service Offices  
Canada:  
Agilent Technologies Canada Inc.  
5150 Spectrum Way,  
Mississauga, Ontario  
L4W 5G1  
(tel) 1 877 894 4414  
Europe:  
Agilent Technologies  
Test & Measurement  
European Marketing Organisation  
P.O. Box 999  
1180 AZ Amstelveen  
The Netherlands  
(tel) (31 20) 547 9999  
Latin America:  
Agilent Technologies  
Latin American Region Headquarters  
5200 Blue Lagoon Drive, Suite #950  
Miami, Florida 33126  
U.S.A.  
(tel) (305) 267 4245  
(fax) (305) 267 4286  
United States:  
Agilent Technologies  
Test and Measurement Call Center  
P.O. Box 4026  
Englewood, CO 80155-4026  
(tel) 1 800 452 488  
In any correspondence or telephone conversations, refer to the power sensor  
by its model number and full serial number. With this information, the  
Agilent Technologies representative can quickly determine whether your  
unit is still within its warranty period.  
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Sales and Service Offices  
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A
Up gr a d in g th e HOP Con tr oller  
ROM a n d Fir m w a r e  
This chapter describes how to upgrade the HOP Controller ROM and  
firmware on the HP/Agilent 8922 P to allow it to run the HSCSD  
functionality.  
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Upgrading the HOP Controller ROM and Firmware  
Upgrading the Hop Controller ROM  
Up gr a d in g th e Hop Con tr oller ROM  
CAUTION  
WARNING  
Perform the following procedures at a static safe workstation. The  
printed circuit assemblies in the instrument are very sensitive to static  
electricity.  
Befor e d isa ssem blin g th e in str u m en t, tu r n th e lin e sw itch OF F  
a n d u n p lu g th e in str u m en t. Fa ilu r e to u n p lu g th e in str u m en t  
m a y r esu lt in p er son a l in ju r y.  
To upgrade the  
HOP controller  
ROM  
Before connecting the two HP/Agilent 8922 P systems together to form  
the HP/Agilent 8922 GSM HSCSD Tests System you must upgrade the  
Hop Controller ROM on both the master and slave unit as follows:  
Step 1. Make sure that power to the unit is switched off and the power cord is  
removed.  
Step 2. Remove the instrument top cover.  
1. Remove four 2-pt. Pozidriv top bumper mounting screws.  
2. Remove four 2-pt. Pozidriv side mounting screws and bumpers.  
3. Remove four 2-pt. Pozidriv screws and standoffs.  
4. Remove fourteen TX-10 screws and top cover. To remove cover, pull  
sides slightly apart, slide back a few inches and lift off.  
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Upgrading the HOP Controller ROM and Firmware  
Upgrading the Hop Controller ROM  
Figu r e A-1  
Rem ovin g th e top cover  
1
3
4
2
(Both Sides)  
(Both Sides)  
SIDE VIEW  
Step 3. Remove RF covers A and B using a TX-15 screw driver (see below).  
Figu r e A-2  
Rem ovin g th e RF cover s A a n d B  
Cover A  
Cover B  
Step 4. Disconnect any necessary cables to free the A33 HOP Controller board.  
Step 5. Remove the A33 HOP Controller board.  
Appendix A  
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Upgrading the HOP Controller ROM and Firmware  
Upgrading the Hop Controller ROM  
Figu r e A-3  
Rem ovin g th e A33 Hop Con tr oller Boa r d  
Step 6. Remove the A33 U62 HOP Controller ROM.  
You may need to force when removing and replacing the ROM.  
Figu r e A-4  
Rem ovin g th e A33 U62 HOP Con tr oller ROM  
U62  
Step 7. Insert the new A33 U62 HOP Controller ROM making sure that the  
orientation of the ROM matches the template shown on the board.  
78  
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Upgrading the HOP Controller ROM and Firmware  
Upgrading the Hop Controller ROM  
Step 8. Reinstall the A33 HOP Controller board.  
Step 9. Reconnect the cables.  
Step 10. Replace the instrument top cover.  
Appendix A  
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Upgrading the HOP Controller ROM and Firmware  
Upgrading the firmware  
Up gr a d in g th e fir m w a r e  
The HP/Agilent 8922 GSM HSCSD Test System host firmware is  
downloaded to the instrument over the GPIB interface. This is performed  
using an external controller with an GPIB interface and the HP BASIC  
programing language. Contact your local Agilent TechnologiesCustomer  
Service Center or Representative for more information.  
80  
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