Nortel Networks NN43001-301 - Manual (Page 125)

Install an additional network shelf 125
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Install an additional network shelf
Use Procedure 13 "Install an additional network shelf on Half Group and
Single Group systems" (page 125) to install an additional network shelf,
when additional shelf space is required for PRI cards on Half Group and
Single Group systems. A QUD15 cooling unit is required for each additional
shelf installed.
CAUTION
Do not place the circuit packs in the shelf until Step 7 is completed.
Procedure 13
Install an additional network shelf on Half Group and Single Group systems
Step Action
1 Determine the cabinet and shelf location of the Network shelf to
be installed.
2 Unpack and inspect the shelf.
3 Remove the existing left or right rear Intelligent Peripheral Equipment
(IPE) shelf (if required).
4 Install the additional Network shelf in the IPE (Step 3) location.
5 Install a QUD15 cooling unit directly below the Network shelf and
secure with four mounting screws.
6 Install and connect the QCAD172A power cable to the added
QUD15 cooling unit as follows:
• If the added QUD15 is located below the left Network shelf,
unplug the C11 connector from the QCAD111 power harness
that connects to the existing left side QUD15.
• If the added QUD15 is located below the right Network shelf,
unplug the C21 connector from the QCAD111 power harness
instead of the C11.
7 Plug the C11 or C21 connector into the single-ended connector of
the QCAD172A power cable.
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.