Nortel North American DMS-100 Instruction Manual page 500

Clearing position failure - cannot reboot TPC
7
8
9
Power
switch
10
11
12
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 (standalone)
Replace the PIO card. Refer to Card Replacement Procedures and return to
step 8.
Perform the common procedure Removing an MP position from service
(standalone) .
Note: Remove all MP positions for the TPC from service.
WARNING
Equipment damage
Turn off power to the TPC when you replace cards in the
TPC. If you do not turn power off, equipment damage can
occur.
To power down the TPC, turn the switches on the power converters in slots
1-3 and slots 25-27 to the down position.
SBC reset switch
1–3
6
Disk drives and switch locations on the TPC
Set the hard disk drive power switch in slots 21-23 to the up (on) position.
To power up the TPC, turn the switches on the power converters in slots 1-3
and slots 25-27 to the up position.
To set the TPC again, lower and lift the SBC reset switch in slot 6.
Fixed disk drive
25–27
17–19 21–23
1-479
(continued)
Power
switch