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M/T-DIG (Maintenance/Test Digital Port) [G3iV1-1.286,
G3iV2-386]
Issue 4 May 2002 10-1153 555-233-123
Clear Error Counters (#270)
This test is not an actual test in the strict sense of the word. Many circuit packs
have counters in the Angel firmware. These counters are used so that Control
Channel Message Set (CCMS) messages are not continuously sent uplink. Using
this method, the message is sent once, when the counter reaches some preset
threshold, and then not sent again until the counter is cleared.
The ports on the Maintenance/Test circuit pack continually run self-tests,
whenever the port is idle. The Angel uses a counter so that the Background
Maintenance Failure message is only sent uplink once (this keeps a failed
port/circuit pack from flooding the SPE with a string of messages). This test is
used to clear the counter, so that if the port continues to fail during or after
SPE-demanded testing, the Angel sends a message to indicate that fact.
This test is only used to send a message to the Angel on the Maintenance/Test
Circuit Pack. Therefore, this test should never abort or fail.
14 FAIL The primary information channel is not transmitting
properly. User impact may range from nothing to not being
able to use this port.
1. Run the circuit pack tests to check the Tone Generator
circuit pack and the Tone Detector circuit pack using
test board PCSS.
2. Resolve any problems that are detected on the Tone
Generator circuit pack or Tone Detector circuit pack.
3. If the Tone Generator and Tone Detector circuit packs
are functioning properly, and the test still fails, replace
the Maintenance/Test Circuit Pack.
PASS The Maintenance/Test Digital Port digital trunk testing
capability is operating correctly.
Table 10-434. TEST #13 Digital Port Loop Around Test — Continued
Error
Code Test
Result Description/Recommendation
Continued on next page