Nortel North American DMS-100 Instruction Manual page 454

Power switch
Keyboard
cable
5
6
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
TOPS MP Operator complaint (integrated)
Clearing MP keyboard trouble
Rear view MP position
| 0
Test the keyboard again to determine if the keys respond.
If the keys
respond
do not respond
Perform the common procedure Removing the MP position from service
(integrated) .
AC connector
Keyboard
connector
Do
step 30
step 6
1-433
(continued)
Base
controller
Keyboard