User guide

EVENT ACTIVITY AT NODE W AND Y ACTIVITY AT NODE X AND Z

1 One link fails in Linkset W/Y

Alarms/Logs:

* CCS101 Link failure

* CCS164 Link unavailable

Possible PM, C7UP Logs & CCS198

SLMPR

Alarms/Logs:

Normally no logs or alarms are provided

with this scenario.

3 All SS7 messaging diverted to links W/X. Estimate link W/X occupancy using C7LKSET

command QUERYTRF.

4 Action at nodes Y or Z control office prime and control center:

Follow detailed DMS-100 CCS alarm clearing procedures in current NTP 297-YYYY-543.

Action:

Network status information only, since no

other alarms or logs are available concerning

specific links.

5 Recovery Logs:

CCS102 Link Sync

CCS163 Link available

CCS155 Routeset available

CCS166 Route allowed

PM Logs

Recovery Logs:

CCS166 Route allowed

CCS7 Fault scenario—between STP “Y” and SSP “W”—concerns a single link failure in a linkset with two “A” links.