DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-411CO-DS1 (DS1 CO Trunk)
9
CO-DS1 (DS1 CO Trunk)
NOTE:
Many trunk problems are caused by incorrect settings of parameters on the
trunk group administration form. Settings must be compatible with the local
environment and with parameter settings on the far-end. Refer to
DEFINITY
Enterprise Communications Server Release 5.4 Administrationa nd Feature
Description
, for information on how to administer trunks. The Application
Notes section of that book shows the correct settings for administrable
timers and other parameters on a country-by-country basis.
A DS1 CO (central office) trunk provides a link for digitized voice or data
communications between the system and a central office switch. There are two
types of DS1 interfaces:
■ 24 DS0 channels on a 1.544 Mbps link
■ 31 DS0 channels + 1 framing channel on a 2.048 Mbps link
NOTE:
32-channel mode is supported only on TN464 circuit packs and on G3r V2
systems.
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run
1
1. UU is the universal cabinet number (1 for PPN, 2 -44 for EPNs). C is the carrier
designation (A, B, C, D, or E). SS is the number of the slot in which the circuit pack
resides (01 to 21). pp is the two digit port number (01, 02, ...).
Full Name of
MO
CO-DS1 MAJOR
2
2. A Major alarm on a trunk indicates that alarms on these trunks are not downgraded by
the set options command and that at least 75 percent of the trunks in this trunk group
are alarmed. For more information on the set options command, see Chapter 8,
‘‘Maintenance Commands’’.
test trunk
group# member#
lDS1 CO Trunk
CO-DS1 MINOR test trunk
group# member#
lDS1 CO Trunk
CO-DS1 WARNING test trunk
group# member#
DS1 CO Trunk
