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DS1-BD (DS1 Interface Circuit Pack)
Issue 1 June 2005 1035
The status of the CPE Loopback Jack test appears in the hardware error log via Error Type
#3900. Several distinct aux values give information on the status of the test.
Use list measurements ds1 summary to show the length of time the test has been
running (Test Duration field) and number of bit errors detected (Loopback/Span Test
Bit-Error Count field). If the test pattern is passed through the loop back cleanly, the
number of bit errors should be very low. The command also shows the type of loop-back/span
test executing (Test field), the type of pattern generated for the loop-back/span test (Pattern
field), and whether the pattern (3-in-24 Pattern) is synchronized (Synchronized field).
Use test ds1-loop location end-loopback/span-test to end the test.
Table 356: Test #1212 CPE Loopback Jack Test
Error
Code
Test
Result
Description / Recommendation
ABRT Internal system error
1. Retry test ds1-loop location
cpe-loopback-jack-test-begin at 1-minute intervals up to 5
times.
1005 ABRT CPE Loopback Jack test cannot be executed in the current configuration. To
run this test, the TN767E (or higher-suffixed) DS1 must be administered for
24-channel operation. The Bit Rate field on the DS1 circuit pack
administration screen must be set to “1.544” for 24-channel operation.
1015 ABRT Ports on the DS1 Interface circuit pack have not been busied out to
out-of-service.
1. Enter busyout board location to put all trunks or ports of the DS1
Interface circuit pack into the out-of-service state.
2. Retry the command.
1039 ABRT The DS1 Interface circuit pack is providing timing for the system. Executing
this test could cause major system disruption.
If the DS1 Interface circuit pack needs to be tested, set the synchronization
reference to another DS1 Interface circuit pack or to the Tone-Clock circuit
via the following command sequence:
1. Enter disable synchronization-switch.
2. Enter enable synchronization-switch set
synchronization location.
3. Enter enable synchronization-switch.
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