Mitel 3100 User's Guide Page 200

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Technician’s Handbook
192
Table 25: Analog services module
Port Pin number Signal
Port 1
(ONS)
1 and 2
Isolated relay contacts for controlling external
equipment
3 Not used
4 and 5 Bi-directional speech pair
6 Not used
7 and 8 Unassigned input - normally open circuit
Port 2
(ONS)
1 - 3 Not used
4 Ring (B-wire)
5 Tip (A-wire)
6 - 8 Not used
Port 3
(ONS)
1 - 3 Not used
4 Ring (B-wire)
5 Tip (A-wire)
6 - 8 Not used
Port 4
(ONS or Door Relay)
1 and 2
Isolated relay contacts for controlling a door
lock solenoid
3 Not used
4 Ring (B-wire)
5 Tip (A-wire)
6 Not used
7 and 8
Isolated relay contacts for controlling an
externally-powered door phone
3100 Hand.bk Page 192 Monday, August 19, 2002 8:49 PM
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