Service Cards Description - Panasonic KX-T336 System Reference Manual

5.00 Service Cards Description
Extension cards
CO trunk cards
Proorietarv lntearated 1 ine Circuit (PLCJ Card:
This card interfaces 8 PITS telephones, DSS
consoles and the TDM bus.
It is available to connect 8 PITS telephones, DSS
consoles to the system per PLC card.
rt Central Off ice Trunk (LCOT) Card
This card interfaces 8 central off ice loop start
trunks and the TDM bus.
It is available to connect 8 CO lines to the system
per LCOT card.
Sinale Line Teleohone 1 ine Circuit ISLC) &
This card interfaces 8 SLT type telephones and
the TDM bus.
It is available to connect 8 SLT telephones to the
system per SLC card.
. .
nd Ltne Circuit fHt.Q Card;
This card interfaces PITS/SLT type telephones,
DSS consoles and the TDM bus.
It is available to connect 8 PITS/SLT telephones/
DSS consoles to the system per HLC card.
Off Premise Extension Trunk (OPX) Card:
This card interfaces 4 off premise extensions
through off premise extension power unit.
. . .
Console I me Crrcutt 1AILC) Card;
This card interfaces 2 Attendant Consoles and
the TOM bus.
It is available to connect 2 attendant consoles to
the system if this card is installed.
l
With loop start, you seize a line by bridging
through a resistance the tip and ring (both wires)
of your telephone line.
This card interfaces 8 central office trunks and the
TDM bus.
\
It is available to connect 8 CO lines to the system
per GCOT card.
A way of signaling on subscriber trunks in which
one side of the two wire trunk (typically the "Ring"
conductor of the Tip and Ring) is momentarily
grounded to get dial tone.
l
There are two types of switched trunks one can
typically lease from a focal phone company-
Loop Start and Ground Start.
You must be careful to order the correct type of
trunk from your local phone company and
correctly install your telephone system at your
end - so that they both match.
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Direct Inward Dialing Trunk 1 DID) Card;
This card interfaces 4 central office trunks
arranged for Direct Inward Dialing (DID) and the
TDM bus.
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