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Maintenance Object Repair Procedures
555-233-123 10-520 Issue 4 May 2002
DID-DS1 (DS1 DID Trunk)
The DID-DS1 trunk provides a digital DID trunk from a CO switch into the system
through a DS1 link. A 24 channel DS1 link can support up to 24 DID-DS1 trunk
calls simultaneously. A 32 channel DS1 link [G3iV2-386] can support up to 30
DID-DS1 trunk calls simultaneously. A DID-DS1 trunk can be used for both voice
and data communications with appropriate DS1 signaling mode (for example,
common channel signaling). Only the TN767 and TN464 DS1 Interface circuit
packs support the DID-DS1 trunk call processing signalings, wink-start, and
immediate-start.
DID-DS1 trunk maintenance provides a means to maintain a DID trunk on a port
of DS1 Interface circuit pack. Information included covers the in-line errors log,
initialization tests, periodic tests, system technician demand tests, and alarms
escalation and elimination. Two trunk service states are specified in the DID-DS1
trunk maintenance. They are: out-of-service, the trunk is in a deactivated state
and can’t be used for incoming calls; in-service, the trunk is in an activated state
and can be used for incoming calls. If the DS1 Interface circuit pack is
out-of-service, then all trunks on the DS1 Interface circuit pack are put into
out-of-service state and a Warning alarm is raised.
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run Full Name of MO
DID-DS1 MAJOR
1
1 A major alarm on a trunk indicates that alarms on these trunks are not downgraded by
set options and that at least 75 percent of the trunks in this trunk group are alarmed.
test trunk <grp>/<mbr> l Direct Inward Dial Trunk
DID-DS1 MINOR test trunk <grp>/<mbr> l Direct Inward Dial Trunk
DID-DS1 WARNING test trunk <grp>/<mbr> Direct Inward Dial Trunk