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DS1-BD (DS1 Interface Circuit Pack)
Issue 4 May 2002 10-687 555-233-123
Inject Single Bit Error Test (#1215)
This test is destructive.
The Inject Single Bit Error Test will cause a single bit error to be sent within an
active framed 3-in-24 test pattern.
The test is highly destructive and can only be initiated by a system technician
demanded test ds1-loop UUCSS inject-single-bit-error command. An attempt to
use this command will be rejected if none of the three long-duration DS1
loopback/span tests (CPE Loopback Jack Test, Far CSU Loopback Test,
One-Way Span Test) are active on a TN767E circuit pack.
All trunks or ports on the DS1 Interface circuit pack must be busied out via the
system technician busyout board command before running the Inject Single Bit
Error Test.
The list measurements ds1 summary command displays the number of bit errors
detected (Loopback/Span Test Bit-Error Count field). Injecting this single bit error
should increment the bit error count of the loopback/span test by one.
Table 10-250. TEST #1215 Inject Single Bit Error Test
Error
Code Test
Result Description/Recommendation
ABORT Internal system error
1. Retry the test ds1-loop UUCSS inject-single-bit-error
command at 1-minute intervals a maximum of 5 times.
1015 ABORT Ports on the DS1 Interface circuit pack have not been busied out
to out-of-service.
1. Enter the busyout board UUCSS command to put all trunks
or ports of the DS1 Interface circuit pack into the
out-of-service state.
2. Retry the command.
ABORT Internal system error
2100 ABORT Could not allocate the necessary system resources to run this
test.
1. Retry the command at 1-minute intervals for a maximum of 5
times.
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