Nortel DMS 100 Series Maintenance Manual page 262

6-110 RSC-M card replacement procedures
NTRX42
in an RSC-M/MSP
7
RSC-M shelves powered by NTRX42 circuit breakers
CB1 and CB2 CB3 and CB4
CB1 shelf 5 CB3 shelf 5
unit 0 unit 1
CB2 shelf 19 CB4 shelf 19
unit 0 unit 1
Note 1: Before you remove the NTRX42 card with CB9 and CB10, you must busy specified units.
BSY unit 0 of the RSCM in shelf 5 and BSY unit 1 of the RSCM in shelf 19.
Note 2: Before you remove the NTRX42 card with CB11 and CB12, you must busy specified units.
BSY unit 1 of the RSCM in shelf 5 and BSY unit 0 of the RSCM located in shelf 19.
8
9
10
297-8223-550 Standard 04.02 November 2000
(continued)
Use the following table to determine the RSCM PM units or EXT half shelves
associated with the NTRX42 card that you replace.
Note: You must busy all RCO2 units or EXT half shelves associated with
the circuit breakers on the defective NTRX42 card before replacement.
For example, replacement of the NTRX42 card with CB3 and CB4 affects
unit 1 of the RSCM located in shelf 5. This replacement also affects unit 1
of the RSCM located in shelf 19.
CB5 and CB6
CB5 shelf 33
unit 0
Reserved
Repeat steps 5 and 7 to determine the RSC-M unit(s) that will associate.
Determine the state of the RSC-M unit(s) associated with the NTRX42 card
you want to replace.
If the state of the RCO2 unit
is active
is inactive
To switch activity of the units, type
>SWACT
and press the Enter key.
Example of a MAP response:
CB9 and
CB7 and CB8 CB10
CB7 shelf 33 CB9 shelf 47
unit 1 EXT left to unit
0 of RSCM in
shelf 5
Reserved CB10 shelf 47
EXT right to
unit 1 of
RSCM in shelf
19
Do
step 10
step 13
CB11 and
CB12
CB11 shelf 47
EXT left to unit
1 of RSCM in
shelf 5
CB12 shelf 47
EXT right to
unit 0 of
RSCM in shelf
19