Nortel DMS 100 Series Maintenance Manual page 115

If the fuse
blows again
7 Determine if the POWER switch on the power converter is ON or OFF.
If the POWER switch
is OFF
is ON
8 Set the POWER switch on the power converter to ON.
If the CONVERTER FAIL LED
is lit
is not lit
9 Record the shelf and unit (0 or 1) numbers that contain the lit CONVERTER
FAIL LED.
10 Identify the circuit breaker for the shelf and unit that contains the lit
CONVERTER FAIL LED. The circuit breaker is located on the MSP.
Note 1: Two circuit breakers are available for each shelf.
Note 2: Circuit breakers have the following labels for identification:
•
•
•
For example, CB02-47-01 is circuit breaker 02 for shelf 47, card position
number 01.
11 Determine if the circuit breaker is ON or OFF.
If the circuit breaker
is ON
is OFF
12 Set the circuit breaker to OFF.
13 Push the power switch on the converter up. Hold the power switch in the
RESET position as you set the circuit breaker to ON.
DMS-100 Family Remote Switching Center Multi-Access Maintenance Manual XPM11 and up
RSC-M cabinet with MSP shelf major
A breaker designation number,
equipment shelf number and
power converter card position number
RSC-M alarm clearing procedures
Ext RSC-M/RCO2
Do
step 40
Do
step 8
step 9
Do
step 9
step 34
Do
step 12
step 13
5-5
(continued)