Axel Oxygen 3 Operations Instructions download pdf (Page 40)

Oxygen 7Oxygen 7 - TELCO MODULE

Pag. 40

9 TELCO MODULE

9.1 TELCO MODULE - REMOTE CONNECTOR

The 9 pin D-Type plug remote connector provides the inputs and outputs for the following functions:

• Remote control for line ‘hooking’ on the external telephone hybrid

• External control for RING LED (i.e. RING LED on the Telco module can be driven by a suitable external

command)

A 15 VDC current-limited output is also provided for use with the remote control outputs.

9.1.1 REMOTE INTERFACE PIN-OUT

SUB D 9P FEMALE

PIN DESCRIPTION DIRECTION

1 Ground GND

2 Not Connected

3 Not Connected

4 HOOK command - emitter of photocoupler

OUT

5 HOOK command - collector of photocoupler

OUT

6 + 6 VDC

OUT

7 External muting control

8 External RING control - cathode of photocoupler

9 External RING control - anode of photocoupler

(console internal view)

9.1.2 DESCRIPTION

Pins 8 and 9 are used to make RING LED on the Telco module panel blinking when a call is coming in.

The remote interface photocoupler (pin 9 = Anode and pin 8 = Cathode) must be driven by an external suitable

command generated by external telephone hybrid. Typical current allowed: 5 mA (max 10 mA). Max voltage

allowed: 15 V.

A + 6VDC is provided on Pin 6 of interface.

The Oxygen 7’s Hook optoinsulator closes whenever ‘Hook’ button is pressed. Typical current allowed: max 10

mA. Max voltage allowed: 15 V.

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Axel Oxygen 3 Operations Instructions Page 40