Service Cards Description; Extension Cards - Panasonic KX-TD500 Installation Manual

1.4 Service Cards Description

1.4 Service Cards Description

1.4.1 Extension Cards

Proprietary Integrated Line Circuit (PLC) Card;
This card interfaces 8 Analog Proprietary Telephones (APTs), DSS consoles and the TDM
(Time Division Method) bus. It provides 8 APTs, DSS consoles to the system per PLC card.
Digital Proprietary Integrated Line Circuit (DLC) Card;
This card interfaces 16 Digital Proprietary Telephones (DPTs) DSS consoles and the TDM bus.
It provides 16 DPTs/DSS consoles to the system per DLC card.
Single Line Telephone Line Circuit (SLC) Card;
This card interfaces 8 Single Line Telephones (SLT) and the TDM bus. It provides 8 SLTs to
the system per SLC card.
SLC Card with Message Waiting (SLC-M);
This card is the same as the standard SLC card except that it has the capability to turn on and
off the message waiting lamp of an SLT.
SLC Card with Message Waiting —16 ports (ESLC);
This card is the same as the MSLC card except that it has the capability to connect 16 SLTs.
Hybrid Line Circuit (HLC) Card;
This card interfaces APTs/SLTs/DSS consoles and the TDM bus. It provides 8 APTs/SLTs/
DSS consoles to the system per HLC card.
Digital Hybrid Line Circuit (DHLC) Card;
This card interfaces DPTs/APTs/SLTs/DSS consoles and the TDM bus. It provides 8
telephones and DSS consoles to the system per DHLC card.
Off Premise Extension Trunk (OPX) Card;
This card interfaces 4 off premise extensions through off premise extension power unit.
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System Outline