Maintenance Object Repair Procedures
555-233-123
10-1914 Issue 4 May 2002
CPE Loopback Jack Test (#1212)
This test is destructive.
The CPE Loopback Jack (CLJ-LB) Test causes a loopback at the CPE Loopback
Jack and tests the building wiring connection between the UDS1-BD DS1 board
and the CPE Loopback Jack.
The test is highly destructive and can only be initiated by a system technician
demanded test ds1-loop UUCSS cpe-loopback-jack-test-begin
[number-of-bits bit-pattern] command. The System technician has the choice of
entering a loopback activation code on the command line or using the default
code 0x47F.
All trunks or ports on the UDS1 Interface circuit pack must be busied out using the
system technician busyout board command before running the CPE Loopback
Jack Test.
PASS The RLB test executed successfully. The test pattern was
transmitted and received successfully over the connection from
the UDS1 board to the far-edge of the 120A1 CSU Module or
the 401A T1 Sync Splitter.
0NO
BOARD
The test could not relate the internal ID to the port (no board).
This could be due to incorrect translations, no board is inserted,
an incorrect board is inserted, or an insane board is inserted.
1. Ensure that the board translations are correct. Execute the
add ds1 UUCSS command to administer the UDS1
interface if it is not already administered.
2. If the board was already administered correctly, check the
error log to determine whether the board is hyperactive. If
this is the case, the board is shut down. Reseating the
board will re-initialize the board.
3. If the board was found to be correctly inserted in step 1,
then issue the busyout board command.
4. Issue the reset board command.
5. Issue the release busy board command.
6. Issue the test board long command.
This should re-establish the linkage between the internal ID and
the port.
Table 10-684. TEST #1211 CSU Repeater Loopback Test — Continued
Error
Code
Te s t
Result Description/Recommendation
Continued on next page
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