Nortel Communication Server 1000 Manual page 146

146 PRI installation and removal
If an additional cabinet is required to install more network shelves, use a
QPC58 cabinet.
Multi Group
As many as four circuit cards can be plugged into an empty network shelf,
along with a Power Converter circuit card. Specific locations will depend
on available space.
When no vacant positions are available to install PRI cards, additional
Network shelves can replace Intelligent Peripheral Equipment shelves
located on the rear of the Common Equipment or Disk shelves.
If an additional cabinet is required to install more Network shelves, use a
QPC108 cabinet.
The following slots can be used if they are not required for other cards.
SHELF SLOT
Network 5 - 11, 13-14
Installing the NT8D72 PRI
Follow the steps in
(page 146)
Note:
position. Due to physical width restraints, BTUs and PRIs cannot fit next
to each other on a shelf.
Table 72
Steps for installing the NT8D72 PRI card
Action
Step
1 Determine the cabinet and shelf location of the circuit card to be installed; please
refer to
section.
2 Unpack and inspect circuit cards.
3 Set the option switch on the PRI circuit card to the 75/120 ohm position.
4
Install PRI circuit card in the assigned shelf and slot.
5
Install Network circuit card (if no Network loop connection is available).
Table 72 "Steps for installing the NT8D72 PRI card"
to install the NT8D72 PRI.
Do not fit the PRI card in the Bus Terminating Unit (BTU)
CAUTION
Service Interruption
The NT8D79AA cable connecting the Clock Controller and a
PRI card must NOT be routed through the center of the cabinet
past the power harness. Instead, it should be routed around the
outside of the equipment shelves
"PRI circuit card locations" (page 145)
Nortel Communication Server 1000
DASS2 Fundamentals
NN43001-571 04.01 4 June 2010
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