Nortel DMS-100 Series Maintenance Manual page 216

7-12 Star Remote System manual maintenance
Table 7-11 Star Module distribution points (Sheet 2 of 2)
Function
Select the coin voltage
polarity
Select the coin test
Select the coin voltage
type
Select the coin voltage or
ringer voltage
Reverse the selected
voltage
Shut down ringer and
coin
If a component fails in the Star Module, the following table identifies Star
Module response and general recovery methods.
Table 7-12 Star Module component failure and general recovery methods (Sheet 1 of 2)
Module component
failure
Star Module message
link
One C-side link
Line cards
Power converter and
ringer card
297-8353-550 Standard 05.01 March 2001
Alarm From
SMC
Star Module response and general recovery methods
If only one DS-1 is provided, the Star Module will drop. Otherwise, all the
calls will be routed to the second link (up to 23, one channel is used for
messaging).
Calls on the affected link will drop.
Calls on the affected line card will drop
Because of a failure in the following voltage
• +15 V power supply failure results in no support for POTS line cards.
The Critical alarm is set.
• Coin failure means that only coin features are not supported. The
Major alarm is set.
• Ringer failure means the ringing features are not supported. The
Major alarm is set.
In each case, a message is sent to the host switch.
To
Power, ringer, and
coin
Power, ringer, and
coin
Power, ringer, and
coin
Power, ringer, and
coin
Power, ringer, and
coin
Power, ringer, and
coin
Type
Control
Control
Control
Control
Control
Control