Panasonic KX-TD500 Installation Manual page 47

AGC Card (KX-T96193) Functions
Automatic Gain Control card
1.
4 CO-to-CO speech paths with AGC amplifier and Echo-Suppressor.
A CO-to-CO speech path consists of up-path and down-path, up-path is from call-originate
CO to call-answer CO, and AGC amplifier is inserted and speech end detector is connected.
The Maximum amplification of AGC is 10 dB.
The Echo-Suppressor is inserted in a CO-to-CO speech path.
2.
4 DTMF receivers.
DTMF transceiver is used as DTMF repeater.
So, AGC card microprocessor controls DTMF repeater.
3.
8 Speech End Detectors.
Speech end detector of AGC is quite the same as that of the DISA card.
AGC Card (KX-T96193) Operation
The LED indicator on the AGC card lights when the system resets or AGC local reset occurs.
RMT Card (KX-T96196) Functions
Remote Circuit card
Modem (300/1200 bps) for remote administration.
RMT Card (KX-T96196) Operation
The LED indicator on the RMT card lights when the system resets or RMT local reset occurs.
ERMT (Enhanced Remote Circuit) Card (KX-TD50197) Functions
1.
Modem (V.34 MODEM) for remote administration.
ERMT (Enhanced Remote Circuit) Card (KX-TD50197) Operation
1.
The LED indicator on the ERMT card lights when the system resets or ERMT local reset
occurs.
OHCA Card (KX-T96136) Functions
OHCA (Off Hook Call Announcement) card
This card is mounted on HLC card (KX-T96170) or PLC card (KX-T96172)
This card includes 2 OHCA circuits.
Allows an extension user to intrude through the speaker into another extension that is in
conversation using the handset.
This feature is available only for the following APT: KX-T7130.
System Outline
1.6 Specifications
47