Nortel DMS-100 Series Replacement Procedures page 494

1-462 XPM card replacement procedures
NT2X70
in an RLCM-EDC HIE
At the HIE shelf
31
32
33
34
At the MAP display
35
36
297-8021-547 Standard 14.02 May 2001
(continued)
WARNING
Static electricity damage
Wear a wrist strap that connects to the wrist strap grounding
point of a frame supervisory panel (FSP) when you handle
circuit cards. This action protects the cards against static
electricity damage.
Power down the NT2X70 card in slot 22 of the HIE shelf. To power down the
card, set the ON/OFF switch on the power converter faceplate to OFF. Both
the converter FAIL LED and FRAME FAIL lamp on the frame supervisory
panel (FSP) will be ON. An audible alarm can sound. If an alarm sounds,
silence it. To silence the alarm, type
>SIL
and press the Enter key.
If NT2X70 is in
shelf 33 slot 25
shelf 33 slot 22
To replace the NT2X70 card in slot 22 use the common replacing a card
procedure in this document. Complete the procedure and return to this point.
To power-up the NT2X70 card in slot 22, toggle the ON/OFF/RESET switch
on the power converter faceplate to the RESET position. Hold the position
while you set the circuit breaker 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. Proceed to step 34.
If another maintenance procedure directed you to this procedure, return to
that procedure and continue as directed. If this action does not occur,
proceed to step 35.
To return the LCM unit to service, type
>RTS
and press the Enter key.
If RTS
passes
fails
Send any defective cards for repair according to local procedure.
Dotrip circuit breaker
CB3 on FSP
CB8 on FSP
Do
step 36
step 39