Aastra Ascotel IntelliGate 150, Системное руководство

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Ascotel® IntelliGate® 150/300 as of I7.9
116 Installation
sy
d-
021
0/1.
7
– I7.
9 – 1
2.
2009
Points to be observed for the connection:
• The door intercom system requires an external power supply.
• The signal circuit does not require a power supply.
• The speech path (a/b, no DC component) is connected to Ta and Tb.
• The door intercom system is switched on via the TS contact output.
• The door release is actuated via the TO contact output.
Warning
The bell key switch does not requires an external power supply and must
have a floating connection.
Connection of port 4
The free port IO4 can be used as a potential-free relay contact or as a control input.
Configured as a relay contact (O4) an external device or an external equipment can
be connected. Configured as a control input (I4) one or more switch groups can be
switched between position 1 and 2. Otherwise the same statements apply as de-
scribed in the following Chapter
"Relay and control inputs" .
Tab. 49 Switch group control via the control inputs
Control input I4
Switch positions of the switch
groups
Passive state (Off ) Position 1
Active state (On) Position 2