Nortel DMS-100 Series Maintenance Manual page 331

33 Set CB5 as recorded in step 4 to OFF.
34 Unscrew the slotted nut located on the left-hand side of the FSP.
35
DANGER
Risk of electrocution
Some of the terminals inside the frame supervisory
panel (FSP) have an electrical potential of
–48 V dc. Remove all jewelry before replacing a card
in the FSP. Do not touch any terminals in the FSP.
Open the FSP panel.
36 Remove the NT0X91AE card from the slot identified in step 2.
37 Insert the replacement card.
38 Close the FSP panel.
39 Tighten the slotted nut on the FSP.
40 Proceed as follows to reset the converters in the host interface equipment shelf
(HIE), and the RMM.
41 Power up the NT2X70 in slot 25 as follows:
If NT2X70 suffix is
AE
AA, AB, AC, or AD
42 Toggle the ON/OFF/RESET switch on the power converter faceplate, identified
in step 3, to the RESET position and hold while setting CB1, on the FSP, to the
ON position. Both the converter FAIL LED and FRAME FAIL lamp on the FSP
will go OFF, release the ON/OFF/RESET switch, go to step 44.
43 Press the RESET button on the power converter faceplate while setting CB1,
identified in step 3, on the FSP to the ON position. The converter FAIL LED will
go OFF, release the RESET button.
44 Set the power switch on the NT2X09 and NT2X06 power converters on the
RMM shelf to the ON position.
DMS-100 Family RLCM Maintenance Manual XPM12 and up
Card replacement procedures 8-13
RLCE
Do
step 42
step 43
NT0X91
(continued)