Add Port Circuit Packs
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When installing additional features or equipment, it may be necessary to install additional port circuit
packs. See Circuit Packs and Circuit Modules by Code for a list of circuit packs. This is a general
procedure to use when adding features or equipment that require adding circuit packs.
CAUTION:
Control circuit packs with white rectangles on the label cannot be removed or installed
when the power is on. The port circuit packs with gray rectangles on the label (older
version port circuit packs had purple labels) can be removed or installed when the power
is on.
Topics covered include:
•
Circuit Pack and Auxiliary Equipment Classifications
•
Installing Circuit Packs
Circuit Pack and Auxiliary Equipment Classifications
Circuit packs are listed by these classifications:
•
Analog Line (8)
•
2-Wire Digital & Analog Line (16) and (24)
•
Data Line & Digital Line 4-Wire
•
2-Wire Digital & Analog Line 24 Ports
•
Hybrid Line
•
Multibutton Electronic Telephone (MET) Line
•
AUX Trunk
•
Central Office Trunk
•
Central Office Trunk 3-Wire
•
Direct Inward Dialing/Direct Inward Outward Dialing (DID/DIOD) Trunk
•
Tie Trunk
•
DS1 Tie Trunk
•
ISDN BRI Line 4-Wire
•
ISDN BRI Line 2-Wire
•
Packet Data Line
•
Four-Port DIOD
SI Installation and Upgrades
June 2004
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Install Additional Hardware
Add Port Circuit Packs
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