Dual Circuit Breaker And Associated Module Power Supplies - Nortel Meridian 1 Manual

Page 40 of 190 Clearing power faults
Possible cause
Figure 7

Dual circuit breaker and associated module power supplies

PE Module
Module
power supply
MPDU
PE Pwr Sup
553-3001-510 Standard 11.00 June 1999
Action
If both circuit breakers are tripped:
— Unseat both power supplies, then reset the breakers.
— If either breaker or both breakers trip, replace the MPDU.
If the breakers do not trip, set them to OFF (down):
— Reinsert one power supply then reset the associated breaker.
— If the breaker trips, replace that power supply.
— If the breaker does not trip, set the breaker to OFF and unseat that
power supply.
— Reinsert the other power supply, then reset the associated breaker.
— If the breaker trips, replace that power supply.
IPE
Ringing
generator
0 1 2
Rng Gen
3 4 5 6 7 Cont 8 9 10
Intelligent
Peripheral Equipment
11 12 13 14 15
Superloop
Shelf
553-5376