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| − | [[Image:IP substation connections.jpg]] | + | #REDIRECT [[Weather and Vandal Resistant IP Substation - 1008041100]] |
| − | Station Board Connections
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| − | There are four connectors on the IP substation board, P1-P4.
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| − | P1: RJ45 connector for LAN
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| − | connection.
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| − | The station can be powered from this connection if the line supports Power over Ethernet.
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| − | P2: RJ45 connector for auxiliary LAN
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| − | equipment like TV camera, PC or
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| − | a second IP station.
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| − | This port has not an individual IP address or power for aux equipment.
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| − | P3: 6-pin plug-on screw terminal for
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| − | external connections.
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| − | Pin 1/2: Connect 24 VDC for station power if
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| − | power is not distributed via LAN.
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| − | Pin 1 is positive.
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| − | Pin 3/4: Internal NO relay contact for door lock
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| − | control etc.
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| − | Pin 5/6: Normally connected to station
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| − | loudspeaker.
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| − | May be used for 16-20 ohm/2 W external loudspeaker in parallel.
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| − | P4: 6-pin plug-on screw terminal for
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| − | internal connections.
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| − | Pin 1/4: Call button no.1.
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| − | Pin 2/4: Call button no.2 if included
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| − | Pin 3/4: Call button no.3 if included
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| − | Pin 5/6: Station LED for call and message info.
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| − | TP1/2: Optional external audio output.
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| − | This is a 0 dB, 600 ohm balanced output for connection to a power amplifier.
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| − | Note that the amplifier input MUST HAVE AN INSULATED INPUT (trafo, capacitors, etc.).
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