Nortel 7400 Hardware Installation page 417

Procedure steps
1 If there is an Ethernet cable connected to the faceplate of the CP you
need to remove it. Refer to the procedure "Removing a CP Ethernet
cable" (page 420) before proceeding.
2 If there is a local operator or modem cable connected to the V.24 DCE
port, remove it.
3 If there is a BITS cable connected to the CP, remove it.
4 Unlock the latches. See the figure "Locking and unlocking processor card
latches" (page 418).
5 Use both latches in their unlocked, horizontal positions to pull the
processor card out of the slot. See the figure "Disengaging a processor
card" (page 325).
6 Pack the control processor. See the section "Packing a processor card"
(page 386) for storage information.
Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Chapter 39 Hardware procedures 417
CAUTION
Risk of shelf reset by disconnecting an active cable
If you disconnect the Ethernet cable from the active CP,
the shelf undergoes a reset or swaps activity with the
spare CP, provided the spare is in standby mode.
WARNING
Damage to equipment by electromagnetic interference
To meet electromagnetic interference (EMI) regulatory
requirements and thermal specifications, each empty slot
must be filled with a blank processor card (NTBP23). See
"Installing a blank processor card" (page 243).