Panasonic KX-TD500 Installation Manual page 41

1.6 Specifications
T-1 Card (T-1 interface (1 circuit / card)) (KX-T96187) Functions
1.
T-1 is a digital transmission link with a capacity of 1.544 Mbps.
T-1 can carry 24 voice conversations.
Frame Format : D4 / ESF
Line Coding : AMI / B8ZS
Channel Type : LCO / GCO / DID / OPX / TIE
Signaling : Pulse / DTMF
(DTMF : 24 receivers and 6 generators)
T-1 Card (T-1 interface (1 circuit / card)) (KX-T96187) Operation
1.
The LED indicator on T-1 card lights when the system resets, or T-1 card local reset or T-1
line fault occurs.
ELCOT Card (Enhanced Loop Start Central Office Trunk card (8 CO Lines/ card))
(KX-TD50180) Functions
1.
Loop start CO interface.
Same as LCOT.
2.
Caller ID Capability
Two Caller ID Cards (KX-TD193) can be mounted on ELCOT card.
3.
Power failure transfer (PFT) by each port.
Same as LCOT.
4.
Diagnostic transfer (DT) by each port.
A diagnostic relay is placed in Tip/Ring of each port.
All diagnostic relays are set to the diagnostic position except on the call.
ELCOT Card (Enhanced Loop Start Central Office Trunk card (8 CO Lines/ card))
(KX-TD50180) Operation
1.
The LED indicator on the ELCOT card lights when the system resets or ELCOT local reset
occurs.
DISA Card (Direct Inward System Access card) (KX-T96191) Functions
1.
4 OGM trunks.
OGM duration : 30 seconds,
OGM Capacitor Backup : 5 days.
The number of OGM : 1,
Recording Algorithm : ADPCM.
2.
4 CO-to-CO speech paths without amplifier.
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 1 DTMF receiver and one speech
end detector is connected to it.
Down-path is from call-answer CO to call-originate CO and one speech end detector is
connected to it.
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System Outline