Nortel DMS-100 Series Replacement Procedures page 565

At the frame:
10 Put a sign on the active unit bearing the following words: "Active unit-Do not
touch."
At the MAP terminal:
11 Busy the inactive unit by typing
>bsy unit unit_no
and pressing the Enter key.
where
unit_no
is the number of the inactive SMU unit (0 or 1) containing the faulty
BX02 card
12 Access the DCH level of the MAP display by typing
>DCH
and pressing the Enter key.
13 Post all DCH cards by typing
>POST ALL
and pressing the Enter key
14 Identify the faulty DCH card by typing
>DISP ALL
and pressing the Enter key
Example of a MAP response:
DCH 8 ISG
DCH 9 spare
15 Post the faulty DCH card by typing
>POST dch_card_state
and pressing the Enter key.
where
dch_card_state
is Cbsy, SysB, or ISTb
Example of a MAP display:
DCH 8
Note: Record the number of the faulty DCH card for later use in this
procedure.
16 Identify the DCH load file name by typing
>QUERYPM
and pressing the Enter key.
DMS-100 Family NA100 Card Replacement Procedures Volume 6 of 7 LET0015 and up
XPM card replacement procedures (continued)
4 CBsy SMU
InSv SMU
ISG 1 CBSY SMU
in an SMU
1 port 17
1 port 19
1 PORT 17
1-533
NTBX02
(continued)