Ascotel IntelliGate 2025/2045/2065
794 Cabling interfaces Part 4
Significance of the LEDs
The 4 LEDs indicate the equipment status and the current direction of the data
transmission.
Tab. 4.52: LED display
In the test mode all the LEDs blink very quickly and in unison.
Signalling the Ready Status
The DTR signal (Data Terminal Ready) must be used to indicate to the PA that the
data terminal equipment connected is ready. If this signal is not available no data
will be sent.
7.5.1.3 Connector types
Fig. 4.68: V.24 connector types, front view of connector and socket
Tab. 4.53 indicates the type of plug-in connections used on the equipment
(female = socket and male = connector) and the DTE or DCE equipment type.
LED on LED blinking LED flashes once LED flashes
twice
RX A DTR B = on Data from PBX to V.24 (A) Xoff to V.24 (A) —
TX A DSR A = on Data from the equipment on V.24 (A) to PBX
or PC
Xoff from the PBX Startup
TX B DSR B = on Data from PC to PBX Xoff from the PBX Startup
RX B RTS B = on Data from PBX to PC Xoff from PC —
876
31425
1
13
25
14
5
4
3
2
1
9
8
7
6
D-sub, 9-pin,
male
D-sub, 25-pin,
female
Apple Mini-DIN, 8-pin,
female
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