Common Procedure - Nortel DMS-100 Series Maintenance Manual

9-2 Star Remote System power up and power down procedures
Procedure 9-2 Powering down the Star Hub
To power down the Star Hub, use the following steps:
1
2
3
4
Table 9-1
if unit to be powered down is
Unit 0
Unit 1
5
6
7

Common procedure

A common troubleshooting procedures is given in this section for
troubleshooting dial tone problems.
297-8353-550 Standard 05.01 March 2001
CAUTION
Loss of service
This procedure is reserved for extreme conditions such as
impending natural disasters. It will result in a complete
loss of subscriber service.
Post the Star Hub.
Identify the unit to be powered down.
Busy the Star Hub unit by typing
>BSY UNIT unit_no
and pressing the Enter key.
where
unit_no
is the number of the unit to be powered down
Remove the power from the busied Star Hub unit by setting the circuit breaker
(CB) on the FSP to OFF.
The Star Hub unit is now powered down.
Repeat this procedure for the mate unit.
You have correctly completed this procedure.
Trip circuit breaker
PS00 for power converter in slot 3
and PS01 for power converter in slot
5
PS10 for power converter in slot 20
and PS11 for power converter in slot
18