Avaya S8700 Maintenance Manual page 1167

CO-DS1 (DS1 CO Trunk)
Table 8-180. Test #7 Conference Circuit Test — Continued
Error Test
Code Result Description / Recommendation
Any FAIL The NPE of the tested port did not conference the tones correctly. This will
cause noisy and unreliable connections.
1. Enter the list configuration board UUCSS command. If the circuit pack
2. Test every administered trunk on the board. If one fails, this could be an
3. If every port fails, check the CARR-POW.
4. If several ports fail, check the error log for TONE-BD or TONE-PT errors. If
5. If the retry passes and troubles have been reported, coordinate isolation
6. Replace the circuit pack.
PASS The port can correctly conference multiple connections. User-reported troubles
on this port should be investigated by using other port tests and by examining
station, trunk, or external wiring.
555-233-143
is a TN767B vintage 8 or 9, replace the circuit pack with a TN767C V3 or
later. The error log may have error type 1281 entries.
off-board problem (such as an incoming seizure or an off-hook port seizure
during the test). Retest the board.
there are such errors, take the appropriate action. When the TONE errors
have cleared, rerun the test.
with the CO. Make sure that the switch, the CO, and any NTCE equipment
(the CSI's) have the correct administration.
NOTE:
If the conference circuit test fails for every port on a circuit pack, a -5 Volt
power problem is indicated. To investigate problems with a power unit,
see ''CARR-POW (Carrier Power
TN736 or TN752 power unit circuit pack, replace the pack.
Supply)''. If a red LED is lit on a
Continued on next page
Issue 1 May 2002 8-445