User guide

53
EVENT ACTIVITY AT NODE W AND X ACTIVITY AT NODE Y AND Z
1 The single A link between SSP “Z” and STP “Y” fails—only one link in linkset 2
Alarms/Logs: ** CCS167 Route Restricted Note
: CCS167 Route Restricted alarm and log no-
tification are sent to every SS7 NODE when a linkset fails and causes a route restriction.
Alarms/Logs: ** CCS101 Link failure * CCS164 Link unavailable ** CCS175 Routeset restricted ** CCS167 Route restricted Possible PM/C7UP Logs, CCS198 SLMPR
3 All SS7 messaging diverted to links X/Z. Estimate link X/Z occupancy using C7LKSET
command QUERYTRF.
4 Action:
Network status information only, since no other alarms or logs are available concerning specific links
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.
5
Recovery Logs: CCS166 Route allowed
Recovery Logs: CCS102 Link Sync CCS163 Link available CCS155 Routeset available CCS166 Route allowed PM Logs
CCS7 Fault scenario—between STP “Y” and SSP “Z”—concerns a single link failure in a linkset with one “A” link.