Slip Alarm Inquiry Test (#144) - Avaya S8700 Maintenance Manual

Maintenance Object Repair Procedure
Table 8-531. Test #143 Minor Alarm Inquiry Test — Continued
Error Test
Code Result Description / Recommendation
PASS No Minor alarm is detected in the UDS1 Interface circuit pack.
0 NO The test could not relate the internal ID to the port (no board). This could be
BOARD 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. Execute the add ds1
2. If the board was already administered correctly, check the error log to
3. If the board was found to be correctly inserted in step 1, then issue the
4. Issue the reset board command.
5. Issue the release busy board command.
6. Issue the test board long command.
This should re-establish the linkage between the internal ID and the port.

Slip Alarm Inquiry Test (#144)

Slips occur when transmitter and receiver are not running at precisely the same
clock rate. The UDS1 Interface circuit pack can detect both positive and negative
slips on the DS1 facility. The Slip Alarm Inquiry test is used to acquire the total
number of slips that have occurred on a DS1 link.
When the UDS1 Interface circuit pack detects a slip condition, the circuit pack
increments the on-board slip counter by one. A SLIP-COUNT message is
spontaneously sent to the system software after the counter reaches a threshold
(for example, 88). When the maintenance software receives the SLIP-COUNT
message, the Slip Alarm Inquiry test is initiated to query the slip counters on a
UDS1 Interface circuit pack and total the slip counts in the maintenance software.
If the count of slips is over the threshold, a Minor alarm is raised against the UDS1
Interface circuit pack. Every trunk or port of the UDS1 Interface circuit pack
remains in the in-service state. If the UDS1 Interface circuit pack is used to
supply the system synchronization source, the MINOR alarm will initiate a
synchronization source switch. See
(Port-Network Synchronization)''
8-1270 Issue 1 May 2002
UUCSS command to administer the UDS1 interface if it is not already
administered.
determine whether the board is hyperactive. If so, the board was shut
down. Reseating the board will re-initialize it.
busyout board command.
for details.
Continued on next page
''TDM-BUS (TDM Bus)'' and ''SYNC
555-233-142