Card replacement procedures 4-5
NT6X27
(continued)
in a PCM30 line drawer
(continued)
PCM30 Line Drawer
Maintenance Guide BCS33 and up
Replacing an NT6X27 in a PCM30 line drawer
Step
Action
CAUTION
Loss of service
Service to the lines connected to the PIC that is being
replaced is interrupted. Perform this procedure during a
period of low traffic. Do not perform this procedure on a
drawer handling data calls.
1
Obtain a replacement card. Ensure that the replacement card has the
same product engineering code (PEC), including suffix, as the card being
removed.
At the MAP
2
Busy the drawer that contains the PCM30 interface card (PIC) to be
replaced, by typing
>BSY DRWR drwr_no
and pressing the Enter key.
↵
where
drwr_no
is the number of the LSG to be busied (0 to 19)
Note: The term drawer refers to a line subgroup (LSG). Two LSGs make up one physical
drawer. For example, 0 and 1 are two LSGs in one physical drawer. Both LSGs have to be
busied to replace the PCM30 interface card (PIC).
-continued-