Avaya Communication Manager controlled maintenance
CO-TRK (Analog CO Trunk)
92
Maintenance of the Avaya G350 Media Gateway
June 2004
CO-TRK (Analog CO Trunk)
Analog CO trunks are 2-wire analog lines to the CO which support both incoming and outgoing calls. CO
trunk Media Modules have eight ports.
Interactions Between Switch and CO
The following sequences show the interactions between the switch and the CO during call setup for both
loop-start and ground-start trunks.
Loop Start Operation
Idle State:
Tip = ground, Ring = CO Battery
Outgoing Call:
1
PBX Off-Hook (Seize Message): Closes the Tip-Ring Loop.
2
CO Response: DC loop c Dial tone.
3
PBX On-Hook (Drop Message): Open Tip-Ring loop, no loop current.
4
CO Response: CO goes to idle state (see Note).
Table 45: CO-TRK (Analog CO Trunk)
MO Name (in
Alarm Log)
Alarm
Level
Initial Command to
Run*
Full Name of
MO
CO-TRK
MAJOR**
test port GGGVSpp l
Analog CO Trunk
CO-TRK
MINOR
test port GGGVSpp l
Analog CO Trunk
CO-TRK
WARNING
test port GGGVSpp l
Analog CO Trunk
Note: For Avaya G350 systems you must consult local records for the location and
designation of the equipment rack where the G350 is mounted.
**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% of the trunks in this
trunk group are alarmed.
Содержание Media Gateway G350
Страница 1: ...Maintenance of the Avaya G350 Media Gateway 555 245 105 Issue 3 June 2004 ...
Страница 16: ...About this book Sending us comments 16 Maintenance of the Avaya G350 Media Gateway June 2004 ...
Страница 48: ...G350 component maintenance IP telephones 48 Maintenance of the Avaya G350 Media Gateway June 2004 ...
Страница 284: ...Monitoring Extended keepalive 284 Maintenance of the Avaya G350 Media Gateway June 2004 ...
Страница 306: ...G350 traps G350 traps and resolutions 306 Maintenance of the Avaya G350 Media Gateway June 2004 ...
Страница 326: ...Media Server alarms S8300 alarms UPS 326 Maintenance of the Avaya G350 Media Gateway June 2004 ...