Total Access 1500
Dual Nx56/64 Data Service Unit Data Port
(DSU DP)
CONNECTIONS
All connections are made through the double stacked DB-26
connectors on the faceplate of the Dual Nx56/64. A DB-26 to V.35
cable (P/N 1200167L1) is available to provide a V.35 interface.
Wiring Connections
COMPLIANCE
The Dual Nx56/64 is intended to be installed in a Restricted Access
Location.
This device complies with Part 15 of the FCC rules. Operation is
subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by ADTRAN could
void the user’s authority to operate this equipment.
DB-26
V.35
Name
Pin
Pin
Name
Frm Gnd
1
A
Frm Gnd
RTS
4
C
RTS
CTS
5
D
CTS
DSR
6
E
DSR
Sig GND
7, 21
B
Sig GND
CD
8
F
CD
TxD A
9
P
TxD A
TxD B
10
S
TxD B
RxD A
11
R
RxD A
RxD B
12
T
RxD B
Ext TxC A
13
U
Ext TxC A
RI
17
J
RI
LL
18
L
LL
TM
19
NN
TM
DTR
20
H
DTR
TxC A
22
Y
TxC A
TxC B
23
AA
TxC B
RxC A
24
V
RxC A
RxC B
25
X
RxC B
Ext TxC B
26
W
Ext TxC B
Configuration Code
Input
Output
Power Code (PC)
C
C
Telecommunication Code (TC)
–
–
Installation Code (IC)
A
–
7. Allocate a range of channels to the Dual Nx56/64.
a. Perform steps
.
b. Select the first time slot in the range of time slots that is
to be assigned to a port of the Dual Nx56/64.
c. Perform steps
.
d. Select option 4 to assign a range of DS0s.
e. Enter the range (the range should be entered starting
with the first DS0, then entering a dash or slash, and
finally entering the last DS0.)
8. Remove a channel from the Dual Nx56/64.
a. Select the T1 to remove time slots from, at the time slot
assignment screen.
b. Select the time slot you want to remove.
c. Select option 3 to remove time slot.
NOTE: To remove multiple time slots change the bank mode to single
T1. The LIU will remove all assigned time slots in use and
assign all cards in shelf the appropriate time slots depending
on their position in the shelf.
TESTING
To access the test menu, select the access module menu, then
select the slot containing the Dual Nx56/64 to test, and finally
select the test option.
NOTE: The loopbacks are used in conjunction with bit error rate test
(BERT) equipment.
DTE Loopback
♦
The test loops back the entire data stream from the Dual Nx56/64
to the DTE.
♦
Provides complete diagnostic picture of the V.35 interface path.
Network Loopback
♦
Data is looped back across the T1.
♦
Test can be initiated through the menu interface of the system
controller, or the Dual Nx56/64 can initiate a network loopback
from a remote unit using a V.54 test pattern.
511 Test Pattern
♦
Forces the Dual Nx56/64 to send a 511 data pattern across the T1
over all channels to help with debugging.
MAINTENANCE
The Dual Nx56/64 does not require routine hardware maintenance
for normal operation. ADTRAN does not recommend that repairs be
attempted in the field. Repair services may be obtained by
returning the defective unit to ADTRAN. Refer to the warranty for
further information. Field support for software is provided through
upgrade facilities.
For more information, refer to the Installation and Maintenance Practice (P/N 61180025L1-5) available
www.adtran.com
.
Warranty
:
ADTRAN will replace or repair this product within the warranty period if it does not meet its
published specifications or fails while in service. Warranty information can be found online
at
www.adtran.com/warranty
.
©2008 ADTRAN, Inc. All Rights Reserved.
PRICING AND AVAILABILITY 800.827.0807
TECHNICAL SUPPORT 800.726.8663
RETURN FOR REPAIR 256.963.8722
*61180025L1-22B*
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
CLEI: VAL4NS0D_ _
Product P/N: 1180025L1
Issue Date: 0803
Document P/N: 61180025L1-22B
