TM
COMSPHERE 3811Plus Modem
Installation Instructions
Document Number 3980-A2-GZ41-20
June 1998
4. When installed in the final configuration, the
product must comply with the applicable Safety
Standards and regulatory requirements of the
country in which it is installed. If necessary,
consult with the appropriate regulatory agencies
and inspection authorities to ensure compliance.
User’s Guide
This document provides basic installation instructions
for the COMSPHERE 3811Plus (Model 3981) modem.
For complete configuration and operation instructions,
refer to the COMSPHERE 3800Plus Modems User’s
Guide (Document Number 3980-A2-GB30).
In addition, if the equipment is to be used with
telecommunications circuits, take the following
precautions:
Contact your local sales representative, service
representative, or distributor directly for any help needed.
For additional information concerning warranty, sales,
service, repair, installation, documentation, training,
distributor locations, or Paradyne worldwide office
locations, use one of the following methods:
•
Never install telephone wiring during a lightning
storm.
•
Never install telephone jacks in wet locations
unless the jack is specifically designed for wet
locations.
•
•
Via the Internet: Visit the Paradyne World Wide
•
Never touch uninsulated telephone wires or
terminals unless the telephone line has been
disconnected at the network interface.
Via Telephone: Call our automated call system to
receive current information via fax or to speak with a
company representative.
•
•
Use caution when installing or modifying telephone
lines.
— Within the U.S.A., call 1-800-870-2221
— Outside the U.S.A., call 1-727-530-2340
Avoid using a telephone (other than a cordless type)
during an electrical storm. There may be a remote
risk of electric shock from lightning.
Important Safety Instructions
•
Do not use the telephone to report a gas leak in the
vicinity of the leak.
1. Read and follow all warning notices and
instructions marked on the product or included in
the manual.
Government Requirements
2. Slots and openings in the cabinet are provided for
ventilation. To ensure reliable operation of the
product and to protect it from overheating, these
slots and openings must not be blocked or
covered.
Notice to Users of the United States Public
Switched Telephone Network
1. This equipment complies with Part 68 of the FCC
rules. On the equipment is a label that contains,
among other information, the FCC registration
number and ringer equivalence number (REN) for
this equipment. The label is located on the circuit
card assembly of the 3811Plus. If requested, this
3. General purpose cables may be provided with this
product. Special cables, which may be required by
the regulatory inspection authority for the
installation site, are the responsibility of the
customer.
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1
This modem is suitable for connection to BT circuits
with signalling at a nominal frequency of 2280 Hz and
may be connected to multipoint or point-to-point circuits.
The apparatus does not require signalling or otherwise use
the frequency range 0–200 Hz.
CAUTION
Users should not attempt to
make such connections
themselves, but should
contact the appropriate
electric inspection authority,
or electrician, as appropriate.
No d.c. interaction is intended between the modem and
the telephone network.
This apparatus may be directly connected to a
speechband circuit or connected to a relevant branch
system for speechband circuits.
The Load Number for this equipment is on the label on
the modem. The Load Number (LN) assigned to each
terminal device denotes the percentage of the total load to
be connected to a telephone loop which is used by the
device to prevent overloading. The termination on a loop
may consist of any combination of devices subject only to
the requirement that the total of the Load Numbers of all
devices does not exceed 100.
All European Countries
Safety Notice
Interconnection circuits between this modem and any
other equipment should be such that the equipment
continues to comply with the requirements of EN41003
for TNV (Telephone Network Voltage) circuits and
EN60950 for SELV (Safety Extra Low Voltage) circuits
after making connection between circuits.
United Kingdom
Ringer Equivalence Number
The Ringer Equivalence Number (REN) is a customer
guide indicating approximately the maximum number of
items of apparatus that should be connected
simultaneously to the telephone line. The sum of the
RENs should not exceed four. This value includes any
BT-provided instrument which may be assumed to have a
REN of 1 unless marked otherwise. The REN of this
modem is 1.
Japan
Notices
Connection to Leased Lines
If any other apparatus, including cable or wiring, is
connected between the apparatus and the point of
connection to any speechband circuit, then all that other
apparatus shall comply with the following:
This equipment is classified in the 1st Class
category. When used in a residential area or
in an adjacent area thereto, radio
interference may be caused to radios and
TV receivers, etc. VCCI-1
1. The overall transmission characteristics of all that
other apparatus shall be such as to introduce no
material effect upon the electrical conditions
presented to one another by the apparatus and the
speechband circuit; and
2. All that other apparatus shall comprise only:
Restrictions
(i) apparatus approved for the purpose of
connection between the apparatus and a
speechband circuit; and
Due to JATE (Japan Approvals Institute for
Telecommunications Equipment) regulations, only three
attempts to dial a number are permitted in a 3-minute
period. If a fourth attempt is made to dial the same
number, the modem returns the ERROR return code. This
restriction applies to the number dialed from the
(ii) cable or wiring complying with a code of
practice for the installation of equipment covered
by this part of BS 6328 or such other requirements
as may be applicable.
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3
command line or from a directory. An occurrence of the
restriction is canceled when a different number is dialed,
or when three minutes have elapsed.
Installation
Customer-Supplied Equipment
The 3811Plus modem (see Figure 1) is designed for
installation in a COMSPHERE 3000 Series Carrier which
supplies operating power and the dial-line and/or
leased-line network connections. For power, dial-line,
leased-line, Network Interface Module (NIM), and
network management cabling information, refer to the
COMSPHERE 3000 Series Carrier Installation Manual
(Document Number 3000-A2-GA31).
Equipment Warranty and
Support
Technical Support
Contact your local sales representative, service
representative, or distributor directly for any help needed.
For additional information concerning warranty, sales,
service, repair, installation, documentation, training,
distributor locations, or Paradyne worldwide office
locations, use one of the following methods:
In addition to the carrier, the following
customer-supplied equipment may be required for the
installation of a 3811Plus modem:
•
A Shared Diagnostic Unit (SDU, required for
network management applications and multiple
carriers).
•
Via the Internet: Visit the Paradyne World Wide
•
•
A Shared Diagnostic Control Panel (SDCP).
•
Via Telephone: Call our automated call system to
receive current information via fax or to speak with
a company representative.
One 6-position to 6-position modular cord (required
for network management applications).
•
Two 50-pin mass termination cables, one NIM for
modems installed in Slots 1–8, and one NIM for
modems installed in Slots 9–16 (required for
dial-line applications).
— Within the U.S.A., call 1-800-870-2221
— From outside the U.S.A., call 727-530-2340
•
One of the following dial or leased network
interfaces:
Equipment Service
After opening the modem’s package, check for damage
and verify that the following items are present:
— 50-pin to modular cable (RJ11C) for dial
permissive applications
•
•
3811Plus modem
— 50-pin to modular cable (JM8) for leased line
applications
Rear connector plate with DB-25-P edge card
connector
•
An RS-232 DTE cable with a DB25 connector at
one end and a connector appropriate to your DTE at
the other end.
Examine the equipment carefully upon arrival. If there
is an obvious defect or you experience trouble please
contact your sales or service representative (as
If the modem is to be managed by a network
management system, an SDU must be supplied and
properly connected to the network management controller.
For proper network management connection to the SDU,
refer to the appropriate network management system
user’s guide.
appropriate) for repair or warranty information. If the
product needs to be returned to the company service
center for repair, contact them directly for return
instructions using one of the following methods:
•
Via the Internet: Visit the Paradyne World Wide
•
Via Telephone: Call our automated call system to
receive current information via fax or to speak with
a company representative.
— Within the U.S.A., call 1-800-870-2221
— From outside the U.S.A., call 727-530-2340
4
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3980-A2-GZ41-20
Rear
Connector
Plate
EIA232/V.24
Connector
Faceplate
EIA232/V.24
Status
Edge Card
Connector
Pwr
Alrm
Test
Dial
RI
142
125
Busy
Serv
SQ
103
104
105
106
107
108
109
TXD
RXD
RTS
CTS
DSR
DTR
LSD
Front Panel
Spkr
Unused
3811Plus
496-14488-02
Figure 1. 3811Plus Modem
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The COMSPHERE 3000 Series Carrier has 17 slots
which can hold up to 16 modems and one SDU. The SDU
is required when the modems in the carrier are controlled
by an NMS, or when multiple carriers in a cabinet
configuration are to be controlled by a single SDCP. The
SDCP of the COMSPHERE 3000 Series Carrier is the
user interface to the 3811Plus modem. A single SDCP can
control modems in up to eight carriers.
To install a 3811Plus modem into the carrier, perform
the following steps.
" Procedure
1. At the rear of the carrier, install the rear connector
plate. Make sure the plate uses the same slot
position as that intended for the modem.
25-Pin
DTE Connectors
495-14797
.42
EAI32/V
2. At the front of the carrier, hold the modem
vertically, with the latch on its faceplate in the
open position, and insert it into the top and bottom
card guides of one of the slots numbered 1–16.
(830)
(
Slide the modem into the slot, aligning the modem
with the rear connector plate, until the backplane
connector and DTE connector seat firmly into the
back of the carrier. To lock the modem into the
carrier, press the faceplate latch until a click is
heard.
.52
.53
V
R3S6A/V
P21
496-14906
Loosely fasten the plate. This allows for slight
adjustments later when installing the modem.
CAUTION
Always use a ground strap
when handling a modem.
Always store a 3811Plus
modem in an antistatic bag
when it is removed from the
carrier.
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3980-A2-GZ41-20
3. Rotate the circuit pack lock(s) into the closed
position, and tighten the screw.
Check the SDCP
If an SDCP is installed, verify that the SDCP can be
used to control the modem. Perform the following steps.
Circuit
Pack
Lock
Carrier Slots 1–16
SDU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Select
OK Alarm BckUp Test EC
F1
F2
F3
COMSPHERE 3000
Keypad
Circuit
Closed
Status
Indicators
LCD
Select
Key
Card
Display
(Locked)
Guides
496-12348a-03
" Procedure
1. Press the
key on the SDCP. The cursor
Select
Open
(Unlocked)
appears in the two-digit slot selection entry.
2. Press the
key to position the cursor on the
two-digit carrier selection entry.
3. Press the F1 (↑) or F2 (↓) key until the carrier
Latch
495-14813
number you want appears on the LCD.
The carrier number selection has a range of 1 to 8.
With an SDU installed, a single SDCP can control
up to eight carriers.
4. If the carrier is connected to power, the Power
LED on the faceplate of the 3811Plus lights up.
After several seconds the modem completes its
power-up self-test in which all faceplate LEDs
light up.
4. Press the
key to position the cursor on the slot
selection entry.
If the modem fails, or an alarm condition exists,
the Alrm LED on the faceplate lights up or
flashes. It may be possible to run a diagnostic
self-test from the SDCP. See Test Branch in the
COMSPHERE 3800Plus Modems User’s Guide.
5. Press the F1 (↑) or F2 (↓) key until the slot
number (1–16) you want appears on the LCD.
(Ignore the AB designator that appears on the
LCD since it is not applicable to the 3811Plus
modem.)
Return to the rear of the carrier and tighten the
rear connector plate.
The Front Panel LED on the modem’s faceplate
lights up.
5. Connect an RS-232D DTE cable to the top
connector of the rear connector plate. (The bottom
connector is unused.)
6. Press the
key to place the SDCP in direct
Select
communication with the selected modem.
The LCD displays the Top-Level menu for the
selected modem.
6. Connect the other end of the cable to your DTE.
7. Configure the modem as described in the
following section, Select Factory Configuration
Options.
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7
5. Press the
key until the appropriate factory
Select Factory Configuration
Options
preset appears on the LCD, and press the
corresponding function key to select your choice.
If you select Sync Leased, a new prompt asks you
to select Answer Mode (F1) or Originate Mode
(F3). Press the appropriate key.
After the modem passes the power-up self-test,
configure it for operation using one of the factory preset
configurations.
The 3811Plus modem has several factory preset
templates that contain the proper configuration options
(straps) for different environments. Modems are shipped
from the factory with the Async Dial default configuration
options stored in memory. To prepare the modem for Sync
Dial, Sync Leased, UNIX Dial, Cellular (Mobile), or
Cellular (PSTN), you must change the factory setting,
using either the SDCP or the AT command &Fn, as
described in the following sections.
6. Choose Function now appears and displays the
Edit and Save functions.
7. Press the F3 key (Save).
The LCD displays Sav EditArea to.
8. The Active (Saved), Customer 1, and Customer 2
configuration areas are nonvolatile memory
locations. Active (Saved) contains the most
recently saved changes to any configuration
options. In the event of power loss, the modem
retrieves these configuration options.
The Cellular (Mobile) and Cellular (PSTN) settings
(and the analogous AT commands &F5 and &F6) are
available only if Enhanced Throughput Cellular (ETC )
is installed.
Press the F1 key to select Active (Saved). The
LCD displays Command Complete.
Configuring a Modem Using the SDCP
9. The modem is now configured with the selected
To change a factory template from the Async Dial
preset configuration using the SDCP, perform the
following steps.
factory template. Press the
the Top-Level menu.
key to return to
" Procedure
Configuring a Modem Using AT Commands
1. Press the
key on the SDCP. Use the
Select
When using AT commands, the following criteria must
be met:
function keys to enter the carrier number and slot
number of the modem to be configured. Press the
key again. The Front Panel LED of the
selected modem lights up.
Select
•
•
Make sure the asynchronous DTE’s communication
software is configured for 10-bit character format
(including the start bit); for example, 8 data bits, no
parity, and 1 stop bit.
2. Press the
view.
key until Configure comes into
Make sure the DTE (RS-232D) cable is attached to
the DTE connector on the rear of the
COMSPHERE 3000 Series Carrier, and the correct
serial communications port on the asynchronous
DTE.
Idle : 28.8
Test
Configure
F3
F1
F2
•
On initial power-up, the modem is in Command
mode. To verify that the modem is connected and
functioning properly, enter the following:
3. Press the function key below Configure to select
the Configure branch.
TYPE: AT
PRESS: Return (Enter)
The screen displays OK.
The LCD now displays Ld EditArea frm.
4. Press the
key until Factory comes into view,
then press the F1 key to display the factory preset
configurations.
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3980-A2-GZ41-20
To change a factory template using AT commands,
perform the following steps.
Menu Structure
The menu tree accessible from the SDCP contains the
following branches:
" Procedure
1. Enter the appropriate factory configuration
command (&Fn) followed by the &W0 command
to store the configuration in Active (Saved) and
the Z command to reset the modem.
Call Setup
Status
Used to dial, disconnect, and
answer telephone calls as well
as store up to 10 telephone
numbers in directory locations.
TYPE: AT&Fn&W0Z
Used to monitor the current
status of the VF line and DTE
interface as well as view the
identity of the modem.
Where: n is one of the following Factory
configurations:
0 is Async Dial
1 is Sync Dial
2 is Sync Leased (Answer Mode)
3 is UNIX Dial
4 is Sync Leased (Originate Mode)
5 is Cellular (Mobile)
6 is Cellular (PSTN)
Test
Used to begin and end various
modem tests.
Configure
Used to change and save the
modem’s configuration
options.
Control
Remote
Security
Used to control the modem’s
hardware and software
functions.
PRESS: Return (Enter)
2. The selected factory configuration is saved and the
modem is reset.
Used to access and control a
remote 3800Plus series
modem.
Synchronous factory preset configurations (&F1, &F2,
and &F4) inhibit AT command control. To regain AT
command control, you must use the SDCP to load a
different factory preset configuration.
Used to control the modem’s
dial access security. Appears
only if the optional security
feature is installed.
The AT commands &F5 and &F6 are available only if
Enhanced Throughput Cellular (ETC) is installed.
The following pages show the general menu structure
of the SDCP displays. The model, installed features, and
configuration options all may affect what is actually
displayed at each level of the menus.
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9
Displays current status of modem along with
data rate and error control mode.
“Status”
Status
to next page
Call_Setup
Test
Dial
Answer
Change_Directory
Disconnect
Dial_Standby
or
Return_to_Dial
VF
DTE
SDC
Options Record
Identity
★
RX
Ser#
Mod #
FRev
HPt#
FPt#
LSD
DTR
DSR
Tst
TXD
RXD
RTS
CTS
No Signal SigQual
RcvLev
TX
Display
Clear
Directory Locations 1 – 10
Sig/Noise
NearEcho
FarEcho
FarEchDel
EchoFreqOff
Does not appear in Remote Mode.
(Rem_Digital_Loop, Loc_Digital_Loop, and
Pattern appear if the secondary channel is
used.)
Some choices within this group may not
appear depending upon how previous
configuration options have been selected.
Abort
Self
Rem_Digital_Loop
Pattern
Appears only if SDC is installed.
★
Loc_Digital_Loop
Loc_Analog_Loop
to next page
DTE_Interface
DTE_Dialer
Line_Dialer
AutoAnswerRing#
Dialer Type
Dial_Line
Modulation
Async/Sync Mode
Async DTE Rate
Sync DTE Rate
#Data Bits
Parity Bit
#Stop Bits
DTR Action
DSR Control
RTS Action
CTS Control
RTS/CTS Delay
LSD Control
DTE Dialer Type
AT Escape Char
Escape GuardTim
BreakForceEscap
CommandCharEcho
CarriageRtn Char
Backspace Char
Linefeed Char
Dial Line Rate
Automode
Autorate
Dial TX Level
V22b Guard Tone
Train Time
Asymmetric Rate
Proactive Retrain
Fall Fwd Delay
DialTone Detect
Blind Dial Paus
BusyTone Detect
"," Pause Time
NoAnswer Timout
Fast Disconnect
Long Space Disc
No Carrier Disc
No Data Disc
NoDataDiscTrig
Auto Make Busy
MakeBusyViaDTR
DTR Auto Redial
MI/MIC Dialing
Result Codes
ExtendResltCode
ResultCode Form
V25bis Coding
TX Clock Source
CT111_Rate Cntl
DTE_Rate = VF
V25bis IdleFill
V.25b NewLineChr
AT Cmnd Mode
DTR Cont Repeat
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3980-A2-GZ41-20
from previous page
to next page
Configure
Ld EditArea frm:
Activ (Operating)
Customer2
Customer1
Factory
Async_Dial
Sync_Leased
Choose Mode
Cellular
(PSTN)
Active (Saved)
Sync_Dial
UNIX_Dial
Cellular
(Mobile)
Answer
Originate
Choose Function
Edit
Save
Active (Saved) Customer1
Customer2
from previous page
Leased_Line
Leased Mode
Modulation
LeasedLine Rate
Autorate
Leased TX Level
Bad Ln Auto Orig
Rate Auto Orig
Auto Redial
AutoDialStandby
CarrierOn Level
V.29 TrainOnData
Asymmetric Rate
Fall Fwd Delay
V42/MNP/Buffer
Err Contrl Mode
Sync Comp Mode
SDC Negotiation
SDC Idle Fill
SDC BitEncoding
SyncDTE CRC
SDC Delay Min
Sync Flow Cntrl
V42bis Compress
MNP5 Compress
EC Negotiat Bfr
EC Fallbck Char
Flw Cntl of DTE
Flw Cntl of Mdm
XON/XOFF Psthru
Mdm/Mdm FlowCtl
Break Buffr Ctl
Test
Misc
StrapsWhenDisc
Speaker Control
Speaker Volume
Access frm Remt
RemAccssPasswrd
Dir#1_Callback
NetMngmtAddress
NMS_Call_Msgs
NMS DTR Alarm
NetworkPosition
CellulrRJ11Adpt
Security
DTE RL (CT140)
DTE LL (CT141)
Test Timeout
Rcv Remote Loop
V54 Address
V54 Device Type
EntryWait_Time
VF_Prompt_Type
#DTE_PW_Tries
DTE_PW_TermChar
DTE_PW_BkSpChar
Get_User_ID
NMS_Reporting
Answer_Secur
Originate_Secur
Does not appear if configured for
Synchronous mode
Only appears if Sync_Leased factory
template is selected.
Send Break Cntl
[SDC Options]
Tx Buff Disc Delay
Rx Buff Disc Delay
Max Frame Size
Cellular Enhance
BfrSizeInBfrMode
Some choices within this group may
not appear depending upon how previous
configuration options have been selected.
Some choices within this group appear
only if optional features are installed.
98-14528b-03
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11
from previous page
Control
Remote
Security
Secondary
Prim (data blckd)
(ExitRem appears
instead of Remote when
using Remote Mode)
Set_Access_Ctrl
(Admin Password?)
Reset_Security
EditPassWdTable
Set_Orig_Secur
Set_Admin_PsWd
Set_Answer_Sec
Speaker
Make_Busy
or
Download Code
RemoveMakeBusy
Reset
Service_Line
or
DiscServLine
Does not appear in Remote Mode.
(Rem_Digital_Loop, Loc_Digital_Loop, and
Pattern appear if the secondary channel is
used.)
98-14528c-03
*3980-A2-GZ41-20*
*3980–A2–GZ41–20*
Copyright E 1998 Paradyne Corporation
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3980-A2-GZ41-20
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