Avaya S8700 Series, Maintenance Manual

Page: 1940 / 2618

Maintenance-Object Repair Procedures
555-233-143 8-1218 Issue 1 May 2002
Figure 8-72. Common Progressions in PRI Endpoint Service States
INS Normal operating state.
ISDN wideband calls being
completed.
1. OOS Out-of-Service
MTC Maintenance
FE Far-end
NE Near-end
PINS Pending in-service
Table 8-496. PRI Endpoint Port Service States — Continued
Service
State
1
Alarm Possible Cause Possible Solution
Continued on next page
CRAFT BUSYOUT OF
SIGNALING LINK
"BUSYOUT LINK LINK-NO",
OR TRANSIENT STATE FOR
CRAFT-DEMANDED LONG
TEST OF THE PORT.
CRAFT RELEASE
OF SIGNALING LINK
IF D-CHANNEL
CONTROLLING THE
B-CHANNEL IS UP,
SEND A MESSAGE
REQUESTING
TRANSITION
TO IN-SERVICE
D-CHANNEL HAS BEEN
DOWN FOR AT LEAST
90 SECONDS.
FAILED TO
RECEIVE REPLY
FROM FAR END.
MTCE WILL
PERIODICALLY
TRY TO RESEND
THE MESSAGE
RECEIVED
ACKNOWLEDGEMENT
FROM THE FAR END RECEIVED
ACKNOWLEDGEMENT
FROM THE FAR END
FAILED TO
RECEIVE REPLY
FROM FAR END.
MTCE WILL
PERIODICALLY
TRY TO RESEND
THE MESSAGE
ADMINISTER
B-CHANNEL AS
MEMBER OF A
PRI ENDPOINT
OUT-OF-
SERVICE
NEAR END
OUT-OF-
SERVICE
FAR END
OUT-OF-
SERVICE
FAR END
PENDING
IN-SERVICE
IN-SERVICE
MAINTENANCE
NEAR END
MAINTENANCE
FAR END
MAINTENANCE
FAR END
PENDING
IN-SERVICE
CRAFT RELEASE OF
A B-CHANNEL OR
NEAR-END LINK
PROBLEM (PI-LINK OR
SYS-LINK) CLEARS UP
IF D-CHANNEL
CONTROLLING THE
B-CHANNEL IS UP,
SEND A MESSAGE
REQUESTING
TRANSITION
TO IN-SERVICE
CRAFT BUSYOUT OF B-CHANNEL
BUSYOUT PORT/PRI-ENDPOINT,
LINK PROBLEM AT NEAR END
(PI-LINK OR SYS-LINK),
DS1 BOARD NOT INSERTED,
OR DS1 BOARD FAILURE.