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Communication Manager Maintenance-Object Repair Procedures
416 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Looparound and Conference Test (#47)
Each Analog port consists of:
● An NPE (Network Processing Element) for port connectivity and gain, and conferencing
functionality
● A codec that converts TDM Bus digital signals to analog
● A battery feed chip that provides power to the telephone set for signaling, dial pulsing,
transmission, and balance.
This test is designed to check the on-board transmission capabilities of the NPE, the codec, and
the battery feed chip of the Analog port. A Tone Detector and a Tone Generator talk and listen
on the same pair of time slots as the Analog port. The Analog port is then instructed to go into
loop around mode (see Figure 22: Analog Looparound and Conference Test
on page 417). The
test passes if the signal measured by the Tone Detector is within acceptable limits.
PASS The software and the port processor have the same status. User-reported
troubles on this port should be investigated by using other port tests, by
examining station wiring, by examining the station, and by ensuring that the
terminal is correctly translated as off-premises or on-premises.
Note: This test always passes for circuit packs TN712 prior to vintage 14
and TN742 prior to vintage 6.
0
NO
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. Verify that the board’s translations are correct. Enter list config,
and resolve any problems that are found.
2. If the board was found to be correctly inserted in step 1, enter
busyout board location
3. Enter reset board location
4. Enter release board location
5. Enter test board location long
This should re-establish the linkage between the internal ID and the port. If
not, dispatch to verify that a valid board is inserted.
Table 122: Test #36 Station Status and Translation Audits and Updates Test (continued)
Error
Code
Test
Result
Description / Recommendation
3 of 3