Server Alarms - Avaya Support

Communication Manager Maintenance Object Repair Procedures
Table 551: Near-End External Loopback Test (#799) 2 of 2
Error
Code
Test
Result
Description / Recommendation
FAIL Near-end external loopback failed. A problem exists in the path of the
loopback.
1. Enter display errors and follow the associated repair
procedures for any on-board DS1C-BD (DS1 Converter Circuit
Pack) errors.
2. If the loopback point is LB 1, replace connectors and cables
between the DS1 converter A and the CSU A. If the loopback point is
LB 2, replace CSU A. Also, see the repair procedure for Error Type
1025 (loss of frame alignment) for DS1C-BD (DS1 Converter Circuit
Pack).
3. If the test still fails, replace DS1 converter A circuit pack.
Any PASS Transmission through the path of the loopback is successful. TN1654
DS1 facilities will display the round trip delay time in milliseconds in the
Error Code field. The round trip delay time is defined as the length of
time in milliseconds it takes for the firmware to receive the test pattern
after it has been sent. This measurement is taken on the last DS1 channel
tested.
Automatic Transmission Test (#844-848)
Note:
Note: Tests #844–848 are not supported on an International switch.
These tests are run by the Automatic Transmission Measurement System (ATMS). They are not
part of the long or short trunk test sequences. Instead, they are run using the command
test analog-testcall or as part of ATMS scheduled testing. For more information, see
Automatic Transmission Measurement System in Maintenance Procedures (03-300432).
The test call is run from an analog port on a TN771 Maintenance/Test circuit pack. It attempts to
seize a port and make a call to a terminating test line (TTL) on the trunk’s far end. Transmission
performance measurements are made and compared to administered thresholds. Errors are
generated when results fall outside of “marginal” or “unacceptable” thresholds. Detail and
summary measurement reports are obtainable using list testcalls.
1868 Maintenance Alarms for Avaya Communication Manager, Media Gateways and Servers
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