Section 61190860L1-5B
Issue 2, January 2002
CLEI Code: NCM5NTDD_ _
1xN Remote Protection Switch
Pro-Cap
Installation and Maintenance
CONTENTS
1. GENERAL ................................................................1
2. INSTALLATION .......................................................3
3. CONFIGURATION ...................................................4
4. OPERATIONAL DESCRIPTION .............................5
5. NORMAL OPERATION ...........................................6
6. PROTECT OPERATION...........................................6
7. PROTECTION SWITCH ...........................................8
8. SWITCHBACK ........................................................10
9. AUTO-PROTECT OPERATION ............................11
10. SPECIFICATIONS ..................................................12
11. MAINTENANCE .....................................................12
12. WARRANTY AND CUSTOMER SERVICE.........12
FIGURES
Figure 1. 1xN Pro-Cap....................................................1
Figure 2. SCIM Card Elements ......................................4
Figure 3. Normal Operation ...........................................6
Figure 4. Arming Operation ...........................................8
Figure 5. Protect Operation ..........................................10
Figure 6. Switchover.....................................................10
Figure 7. Total Access 3000 Auto-protect Switching ..11
TABLES
Figure 1. 1xN Pro-Cap
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
LED Indication................................................3
In-Band Commmands .....................................7
Out-Of-Band Commands ................................7
In-Band Enable/Disable Protocol ...................8
In-Band Protection Switch Protocol ...............9
Out-Of-Band Enable/Disable Protocol ...........9
Out-Of-Band Protection Switch Protocol .......9
In-Band Protection Release Protocol ............11
Out-Of-Band Protection Release Protocol ...11
Pro-Cap can be used in conjunction with the
ADTRAN Total Access® 3000 Carrier Class
Broadband Multiservice Access
Platform, or any standard Office Repeater Bay (ORB)
with T1 or HDSL to provide a Protection Switching
Network Interface (PSNI).
The Pro-Cap housing accepts eight T200 type circuit
cards or four dual slot T400 DS-1, HDSL, or HDSL2
circuit cards. The unit is a wall mounted assembly
that provides convenient access to CPE connections.
The assembly incorporates a circuit board backplane
that provides a choice of amphenol connector or
wire-wrap pins for facility wiring hook-up.
Table 10. Specifications ................................................12
1. GENERAL
This practice provides installation and operational
procedures for the ADTRAN‚Remote 1xN Pro-Cap
protection switch multi-mount housing (P/N
1190860L1). See Figure 1. Pro-Cap initiates remote
switching of a DS1 or HDSL circuit to a standby line
following detection of a fault. This eliminates the
immediate need for a vehicle dispatch to investigate
trouble or provide standby service. The shelf also
accommodates DDS and ISDN technologies but
without protection.
The Pro-Cap accepts -48 VDC local power or a
modular power supply that inserts into the POWER
slot at the far right of the shelf. The power supply
module includes an AC power cord that plugs into a
standard 110 VAC grounded outlet.
The Switch Customer Interface Module (SCIM) can
mount to either the left or right side of the Pro-Cap
housing to facilitate access to all CPE connections.
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
61190860L1-5B
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Documentation associated with the listed cards
provides information on implementing the auto-protect
function.
3. The shelf assembly lifts away from the mounting-
plate by disengaging the chassis tabs from the
mounting-plate support hooks.
4. Using the mounting-plate as a template, position
the mounting-plate at the desired location and
mark four pilot holes. Ensure the unit is level and
that cable plugs will reach their designated
sockets.
LED Indication
Table 1 describes LED indication.
• All LEDs OFF indicates no power to the SCIM.
• All LEDs flashing red indicates the protect card is
disabled and SCIM power is local -48 VDC.
5. Using an appropriate bit, drill the four pilot holes.
6. Align the mounting-plate to the pilot holes and
attach to the wall with appropriate fasteners.
2. INSTALLATION
7. Reassemble the unit by reversing steps
1 through 3.
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
Cable Connections
Frame Ground
After unpacking the unit inspect it for damage. If
damage is noted, file a claim with the carrier then
notify ADTRAN. Refer to Warranty and Customer
Service.
Both the shelf and SCIM have separate ground
connections. Each must be connected to a known
approved ground location. Verify metal to metal
contact on all connections and ensure ground circuit
continuity.
Mounting Procedure
The 1xN Pro-Cap installs at the remote location using
the following procedure:
The shelf has various openings for wire route options
along with tie-wrap anchor points and extrusions for
securing cables and connectors.
NOTE
All component fasteners are spring-loaded,
captured thumb screws.
Specific wiring arrangements are customer developed.
CAUTION
Transmit and receive loops to both facility and
CPE have two connection schemes. Only one
connection method is to be used, not both.
1. Remove the housing from the shelf by unscrewing
the two thumb screws on the side of the housing.
The housing pulls out and away from the shelf.
2. Remove the shelf from the mounting-plate by
unscrewing the thumb screw at the top center of
the shelf bay. It is not necessary to remove the
SCIM assembly unless its position is to be
reversed to the other side of the shelf.
Facility Side
Amphenol Connection – The to-facility and
from-facility amphenols can be either left-side or
right-side oriented.
Table 1. LED Indication
Slot LED
OFF
Flash Green
Solid Green
Protect
Flash Red
Protect Card
Solid Red
Flash Red/Green
Protect
Deselected
Request to
Protect Enable
In Protect
Mode*
1 - 7
N/A
Enabled
Disabled**
No Network
Signal
Protect
Activated
Protect In
Standby
Protect Card
Disabled**
8 PROT
FAIL
N/A
Protect Card Armed
N/A
Protect
Operational
Protect Card
Disabled**
N/A
N/A
Protect Failure
* Only one module at a time in slots 1 through 7 can be in Protect Mode.
** Protect switch S3 OFF.
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Wire-Wrap – The to-facility and from-facility
wire-wraps are an alternate method in lieu of the
amphenol connections.
Shelf Cards
Channel cards are individually configured to meet
network or customer requirements. Certain cards only
receive power from network span power. These cards
do not have pin contacts for shelf power.
Customer Side
Amphenol Connection – The to-CPE and from-CPE
amphenols should be left-side oriented to prevent
SCIM panel removal interference after amphenol
installation.
CAUTION
Itmustbedeterminedifchannelcardscanreceive
both span power and shelf power. Some cards
may malfunction under that condition.
RJ-48C – These modular jacks are an alternate method
in lieu of the amphenol connections.
SCIM Controller Card
-48 VDC Terminal
Option switches on the SCIM controller circuit board
are located behind an access panel. Remove the
housing from the shelf to gain access to the panel’s
thumb screw fastener (refer to Step 1 of the Mounting
Procedure). See Figure 2 for SCIM Card connections,
terminals, indication, and switches.
Local DC power connects to terminal strip TB1 at the
bottom of the shelf backplane. This power source is
distributed across the backplane to slots 1 through 8
and can jumper to the SCIM TB1 to power the
controller card.
NOTE
BoththeshelfbackplaneandtheSCIMcardeach
haveaTB1terminalstrip. Thispracticeidentifies
the specific TB1 when referenced in the text.
3. CONFIGURATION
Shelf
There are no configuration selections on the shelf
backplane. If -48 VDC is connected to TB1 on the
shelf card there is no need for the power card unless
for a spare power source.
Power Card
The PWR card has an AC power cord that inserts into
a standard 110 volt AC grounded wall outlet. When
AC power is in use, local power should not be
connected to TB1 on the shelf card. The PWR card
also applies power to the same TB1 shelf terminals,
which in turn can be jumpered to TB1 on the SCIM
card.
Protect Card
Figure 2. SCIM Card Elements
The protect card can receive power from either the
network (span) or from the backplane (-48 VDC). To
initiate the protect feature the card in slot 8 must
support the technology of the channel cards that are
enabled for protection. The protect card should also
have span power capability to power the SCIM should
that configuration be used.
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Span Power Switch S1
This switch selects between span power or local
power.
OFF – The standby module in slot 8 is cut through
and detection circuitry disabled. If the
standby card was supplying span power to
the SCIM, all the LEDs will be OFF. If the
SCIM was receiving local -48 VDC power,
all the LEDs will flash red.
SPAN – The SCIM receives power from the
protect card in slot 8.
LOCAL – The SCIM receives power from local
-48 VDC to terminal strip TB1 on the
SCIM card.
NOTE
Theprotectcardinslot8shouldhavespanpower
capability either permanent or as an enabled
option.
NOTE
Local -48 VDC can be jumpered from the shelf
TB1 terminals.
Local Power
Terminal strip TB1 on the SCIM card accepts local -48
VDC power. Installation requires that wiring (14 to 26
AWG) be routed from the back of the SCIM housing.
This arrangement is an alternative to span power the
SCIM receives from the protect card. Slide switch S1
selects between span power or the -48 VDC supply.
SCIM frame ground is attained through a separate
ground terminal.
Protection Select/Reset Switch S2
The first function of this pushbutton switch enables or
disables standby protection for individual slots (1
through 7). Protection for selected slots can be
disabled if cards of a different technology occupy
those slots, or to meet SLA agreements. Protection is
selected using the following procedure:
1. Depress S2 for 5 seconds. Slot 1 LED will start to
flash green; all other LEDs will be OFF. Release
S2.
4. OPERATIONAL DESCRIPTION
The SCIM card is a component of the Pro-Cap
assembly that provides T1 drops to the customer
through an RJ-48C or Amphenol connector. The T1
1x7 Controller Card is an enhanced SCIM that also
performs manual 1x7 protection switching on T1
(HDSL) services. The controller card is designed to
function as a manual protection switch and does not
have the capability to address an automatic protection
switch function.
2. To enable protection for slot 1, press and release
S2. Slot 1 LED will turn solid green and the LED
for slot 2 will begin to flash.
3. To pass over a slot that is not to be protect
enabled, wait several seconds while that slot’s
LED is flashing. The LED turns OFF and the next
LED begins to flash green.
4. Continue this process until the LEDs for all slots
designated for protection are ON.
T1 protection switching is accomplished through two
network elements:
The protect configuration, once established, is
maintained in memory.
• Central Office Element (COE)
• Remote Element (RE).
The second function of this switch is to reset the
protect configuration in the event the protect card was
enabled to temporarily replace a malfunctioning shelf
card. After the system is returned to normal,
depressing S2 for a minimum 5 seconds resets the
protect configuration stored in memory. Immediately
release the pushbutton when the LEDs return to the
protect configuration.
The COE functions as the master of the protection
switching operation by initiating all commands. The
RE will only respond to the COE commands. The
controller card and a Network Interface Unit (NIU)
represent the RE. A Digital Test Access Unit (DTAU),
a Digital Cross-connect, or a T1 Test Set can represent
the COE.
The controller card uses the card in slot 8 of the
Pro-Cap mounting as the standby service. The NIU in
slot 8 will provide the appropriate physical layer
interface to the network (i.e. HDSL2, HDSL, or T1
AMI) and 4-Wire T1 AMI physical layer interface to
Protect Switch S3
This switch controls the protect feature.
ON – All standby and protect functions are active.
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the controller card. The controller card will
continuously monitor the network receive T1
transmission service in slot 8 (i.e. standby line) for
commands. Upon the receipt of these commands, the
controller card will initiate the T1 service switchover
from the requested line (1 through 7) to the standby
line. The controller card when optioned for protect
will conduct the following:
Normal Receive Path
The receive path is non-protected and transformer
coupled between the network and the customer. The
receive path is monitored for in-band or ESF
bit-patterned datalink messages. The receive path
toward the network will be terminated with a 100 ohm
resistor. This 100 ohm termination increases the
reliability of T1 signal recovery and minimizes
crosstalk. The receive path toward the customer will
be an open termination.
1. Monitor the incoming network signal to
determine if the protect line is operational. If the
line is operational the FAIL LED will be OFF. If Normal Transmit Path
no signal is present, the slot 8 PROT LED will be The transmit path is non-protected and transformer
OFF and the FAIL LED will be ON.
coupled between the network and the customer.
2. Provide a loopback to the network as long as a
transmit signal is not present from the CPE. If a
signal is placed on the slot 8 CPE transmit to the
network, the loopback will be released and
normal transmission to and from the network can
occur. Upon removal of the transmit signal,
loopback will be activated.
Passive Mode
The controller card can be configured to establish a
passive transmission path by detecting a T1 signal from
the customer. The transition from normal to passive
mode will require the loopback to the network removed
and the receive path to the customer to be reconnected.
Passive Mode to Normal Operation
The controller card will return to normal operation by
detection of a loss-of-signal from the customer.
The SCIM controller card can be locally or remotely
provisioned to either enable or disable slot-switching
capability. If a slot is protect enabled, when a switch
request for that slot is received on the protect channel,
the slot will switch. If the slot is protect disabled, it
cannot be switched.
6. PROTECT OPERATION
Protect operation is defined as the transport of data
from the network to the customer using a standby line
connected to Slot 8. Communication between the COE
and RE will be based upon in-band or out-of-band
(ESF datalink) commands. Upon detection of a fault
on an active line, the controller card will not
5. NORMAL OPERATION
Data is transported from the network to the customer
through an assigned slot (slot 1 through slot 7). The
standby line is transported through slot 8
(see Figure 3).
automatically switch the customer’s data onto the
standby line. A remote provisioning command must be
used to switch the customer’s data onto the standby
line. Once the customer’s data is on the standby line,
Figure 3. Normal Operation
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this condition will be locked until a remote
provisioning command orders the controller card to
switch the customer data back onto the main line, or a
signal failure of greater than 30 seconds occurs on the
protect Slot 8.
In-Band Commands
The in-band commands are based on a 16-bit repeating
binary pattern. These patterns were selected to avoid
random data replication and yellow alarm generation.
In-band code qualifications involve receiving the codes
for 5 contiguous seconds. The in-band codes can be
transmitted using SF/ESF framing or unframed. See
Table 2 for in-band commands.
Protect Receive Path
The receive path is non-protected and transformer
coupled between the network and the customer. The
receive path is monitored for in-band or ESF
Out-of-Band Commands
bit-patterned datalink messages. The receive path will The out-of-band commands are based on the ANSI
be a passive transmission path.
T1.403-1995 standard on T1 protection switching.
ANSI T1.403-1995, Table 4, specifies the command
and response messages for T1 protection switching.
Protect Transmit Path
The transmit path is non-protected and transformer
coupled between the network and the customer. The
transmit path will be a passive transmission path.
Out-of-band code qualifications involve receiving the
codes for greater than 4 consecutive messages. See
Table 3 for out-of-band commands.
Table 3. Out-Of-Band Commands
Hex
Pattern
Command
Binary Pattern
Table 2. In-Band Commands
Hex
Pattern
Switch Arming
Slot Enable
18FF
0001 1000 1111 1111
0111 1000 1111 1111
0111 1010 1111 1111
0010 0110 1111 1111
Command
Binary Pattern
78FF
7AFF
26FF
Switch Arming
Slot Enable
C440
1100 0100 0100 0000
1100 0101 0100 0000
1100 0110 0100 0000
1100 0100 0100 1111
Slot Disable
C540
C640
C44F
Switch Release
Slot Disable
Switch Activation
Code
Switch Release
Switch Activation
Code
Reset
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
24FF
42FF
44FF
46FF
48FF
4AFF
4CFF
4EFF
0010 0100 1111 1111
0100 0010 1111 1111
0100 0100 1111 1111
0100 0110 1111 1111
0100 1000 1111 1111
0100 1010 1111 1111
0100 1100 1111 1111
0100 1110 1111 1111
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
C441
C442
C443
C444
C445
C446
C447
1100 0100 0100 0001
1100 0100 0100 0010
1100 0100 0100 0011
1100 0100 0100 0100
1100 0100 0100 0101
1100 0100 0100 0110
1100 0100 0100 0111
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7. PROTECTION SWITCH
In-Band Slot Enable/Disable Protocol
See Table 4 for in-band slot enable/disable protocol.
Remote provisioning for a protection switch can be
accomplished by sending a specific sequence of
in-band or out-of-band messages. These remote
provisioning commands are transmitted to the
controller card from a remote test facility or a T1 test
set at a DSX panel.
Arming
Arming the controller card prevents an inadvertent
protection switch operation. The controller card can
be armed with the presence of the appropriate in-band
or out-of-band pattern on the network receive
interface. Disarming the controller card can be
accomplished with the presence of an in-band (11100)
or out-of-band (ESF datalink) NIU loop down pattern
on the network receive interface, a 1-hour time out, a
protection switch, or a manual reset. See Figure 4 for
arming activation.
Figure 4. Arming Operation
Table 4. In-Band Enable/Disable Protocol
COE In-Band
Command Patterns
Step
In-Band Pattern
Controller Card
1
Send Arming Code
C440 Hex
Loopback the Arming Code.
Loopback the Enable/Disable code for 5 Sec, then
No Sync for 5 Sec. Repeat until pattern is
removed.
Send Slot Enable or
Disable Code
C540 Hex Enable
C640 Hex Disable
2
Loopback the C44X code where X = line number
for 5 Sec., then No Sync for 5 Sec. Repeat until
pattern is removed.
Send Protection Line
Switch C44X where X
= line number
C44X Hex
X = Line Number
3
4
Slot is now Enabled or Disabled for protection
switching.
Remove Pattern
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In-band Protection Switch Protocol
See Table 5 for in-band protection switch protocol.
Out-of-Band Protection Switch Protocol
See Table 7 for out-of-band protection switch
protocol.
Out-of-Band Enable/Disable Protocol
See Table 6 for out-of-band slot enable/disable
protocol.
Table 5. In-Band Protection Switch Protocol
COE In-Band
Command Patterns
Step
In-Band Pattern
C440 Hex
Controller Card
1
2
Send Arming Code
Loopback the Arming Code.
Send Protection Line
Switch Code
C44X Hex
X = Line Number
Loopback the C44X code where X = line number.
Slot Enabled
Slot Disabled
Perform switchover 5 seconds later. Loss of sync.
Continuous Loopback of the C44X code where X
= line number. No switchover and no loss of sync.
Table 6. Out-Of-Band Enable/Disable Protocol
COE In-Band
Command Patterns
Step
Bit-Oriented Datalink Pattern
Controller Card
1
2
Send Arming Code
0001 1000 1111 1111
Loopback Arming Code for 400 ms followed by AIS.
Send Slot Enable or
Disable Code
Enable 0111 1000 1111 1111
Disable 0111 1010 1111 1111
Loopback the Enable/Disable code for 400 ms
followed by AIS.
Send Protection Line 0100 XXX0 1111 1111
Loopback line # code for 400 ms followed by AIS.
3
4
Switch
XXX = Line Number
(see Table 3)
Remove Pattern
Slot is now Enabled or Disabled for protection
switching.
Table 7. Out-Of-Band Protection Switch Protocol
COE In-Band
Step Command Patterns
Bit-Oriented Datalink Pattern
Controller Card
1
2
Send Arming Code
0001 1000 1111 1111
Loopback Arming Code for 400 ms followed by AIS.
Loopback line # code:
Send Protection Line 0100 XXX0 1111 1111
Switch Code
XXX = Line Number
(see Table 3)
Slot Enabled
Perform switchover after 4 consective messages
received.
Slot Disabled
Loopback line # code followed by AIS. No switchover.
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See Figure 5 and Figure 6 for switchover codes
and traffic results.
NOTE
Communicationusingin-bandcodeswilloverride
the customer’s data during the switchback
operation. Thecustomer’sdatawillbeoverridden
for 10 seconds. These remote provisioning
commands are transmitted to the controller card
fromaremotetestfacilityoraT1testsetataDSX
panel.
8. SWITCHBACK
Switchback operation is defined as the
re-establishment of the T1 transmission path between
the network and the customer using the regularly
assigned line. Communication between the COE and
RE will be based upon in-band or out-of-band (ESF
datalink) commands.
Switchback Receive Path
Local
Depressing S2 on the SCIM card for a minimum 5
seconds resets the protect configuration in memory.
Remote
Switchback operation is accomplished by sending a
specific sequence of SF in-band patterns or ESF
datalink messages over the standby line.
CENTRAL OFFICE
CUSTOMER PREMISES
Office
DTWA
Repeater
Bay
DSX-1
NIU
CIM
Main
Office Repeater
CPE
< Live Traffic >
or
< Live Traffic >
HTU-C
DCS
T1 / HDSL / HDSL2
< Acknowledge
Switch Code >
Standby
Office Repeater
or
HTU-C
Switch Codes >
WECO D4
WESCOM 3192
TEST
PROTECT OPERATION
Figure 5. Protect Operation
CENTRAL OFFICE
CUSTOMER PREMISES
Office
Repeater
Bay
DTWA
DSX-1
NIU
CIM
DCS
Main
Office Repeater
CPE
or
HTU-C
T1 / HDSL / HDSL2
Standby
Office Repeater
< Live Traffic >
or
< Live Traffic >
HTU-C
WECO D4
WESCOM 3192
TEST
SWITCHOVER
Figure 6. Switchover
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In-band Release Protocol
See Table 8 for return to normal operation.
9. AUTO-PROTECT OPERATION
When the Pro-Cap is configured in a Total Access
3000 network optioned for the auto-protect feature, the
TA 3000 will re-map a failed loop's data to the TA
3000 protect unit which in turn sends the protect
initiate codes to the Pro-Cap. The Pro-Cap will put its
protect unit online to complete the standby
transmission loop to the customer. Loss of data
transmission on a particular loop for any reason
initiates the protect function. See Figure 7. Normal
transmission is automatically restored when the failure
is corrected.
Out-of-Band Release Protocol
See Table 9 for return to normal operation.
Signal Transmit
The controller card will transmit a 0 dB signal.
Line Build Out (LBO)
The controller card will not provide LBO functions.
The controller card will rely upon the NIU to provide
LBO.
Table 8. In-Band Protection Release Protocol
COE In-Band
Command Patterns
Step
In-Band Pattern
Controller Card
1
2
Send switch release code
Remove pattern
C44F Hex
Loopback Release Code. Perform switchback 5 seconds later.
Slot is returned to normal operation.
Table 9. Out-Of-Band Protection Release Protocol
Step
Controller Card
COE In-Band
Command Patterns
Bit oriented Datalink
Pattern
1
2
Send switch release code 0010 0110 1111 1111 Perform switchback after 4 consecutive messages received.
Remove pattern
Slot is returned to normal operation.
Total Access 3000
H2TU-Cs
Pro-Cap
Remote
Units
D
4
R4
C
3
2
1
R3
DS3
Feed
L2
MUX
CPE
B
R2
A
R1
Normal Operation
Auto-Protect Operation (Loop A Failure)
Figure 7. Total Access 3000 Auto-protect Switching
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10. SPECIFICATIONS
See Table 10 for Specifications.
11. MAINTENANCE
The Pro-Cap does not require maintenance for normal
operation.
12. WARRANTY AND CUSTOMER SERVICE
Table 10. Specifications
ADTRAN will replace or repair this product within ten
(10) years from the date of shipment if it does not meet
its published specifications or fails while in service.
Refer to ADTRAN U.S. and Canada Carrier Networks
Equipment Warranty, document 60000087-10.
Specification
Physical Interface:
Signal:
4-Wire
T1 Bipolar
Coding:
AMI or B8ZS compatible
SF, ESF, or Unframed
1.544 Mb/s @ 50 ppm
0 dB
Contact Customer And Product Service (CAPS) prior to
returning equipment to ADTRAN.
Framing:
For service, CAPS requests, or further information,
contact one of the following numbers:
Line Rate:
Transmit Signal:
Insertion Loss:
Line Impedance:
ADTRAN Sales
Pricing/Availability
(800) 827-0807
1.5 dB max at 772 kHz
100 ohms ( 20%) at 772 kHz
-3
ADTRAN Technical Support
Pre-sales Applications/Post-sales Technical Assistance
(800) 726-8663
Maximum Detect Error < 10
Rate:
Power:
Span Power at 57 to 63 mA
Local Power at 24 VDC to
56 VDC
Standard hours: Monday-Friday, 7 a.m. - 7 p.m. CST
Emergency hours: 7 days/week, 24 hours/day
DC Voltage Drop (Span 24 VDC at 60 mA
Powered):
ADTRAN Repair/CAPS
Return for Repair/Upgrade
(256) 963-8722
Operating Temperature: -40° C to +65° C
Humidity:
Up to 95% noncondensing
Repair and Return Address
ADTRAN, Inc.
CAPS Department
UL Compliance:
FCC Compliance:
UL 1950 3rd Edition
FCC Part 15, Subpart B, Class
A Requirements
901 Explorer Boulevard
Huntsville, Alabama 35806-2807
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Section 61190860L1-5, Issue 2
61190860L1-5B
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