Panasonic KX-TD500 Installation Manual page 46

1.6 Specifications
LED No. (Item)
D19 (FALT)
D20 (SYNC
ERROR)
D21(RA1)
D22 (AIS)
D23 (SYNC)
D24
(DATA LINK)
D25~D27
DISA (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.
3.
Speech end detector.
Speech end detector detects call progress tones.
DISA (Direct Inward System Access) Card (KX-T96191) Operation
1.
The LED indicator on the DISA card lights when the system resets or DISA local reset
occurs.
46
[LED Indication Table for PRI Card (KX-TD50290)]
Colour
Red ON
OFF
Red ON
OFF
Red ON
OFF
Red ON
OFF
Green FLASH
ON
OFF
Green ON
OFF
Red -
Status
Card Fault
Normal
Clock Synchronisation Error or Loss of Signal
(Red Alarm)
Normal
Receive Remote Alarm Indication signal
(Yellow Alarm)
Normal
Send Alarm Indication signal (Blue Alarm)
Normal
Clock Master at External Clock Mode
Layer1 Synchronisation established (Detection
of Signal)
No Detection of Signal
Data Link established
No Data Link established
Not used or Reserved for future use.
Contents
System Outline