Difference between revisions of "TCAS Connections"
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Revision as of 12:48, 31 August 2018
This article describes connection details of the analog intercoms TCAS-1, TCAS-2 and TCAS-3.
Wiring
The cabling from the AlphaCom server to the intercom station is star wiring. Two twisted pairs of wires are required. The maximum distance depends on the cable diameter:
- 0.5 mm wires: 1.4 km
- 0.6 mm wires: 2.0 km
- 0.9 mm wires: 4.0 km
The station line can be connected in to ways:
- By means of an RJ45 connector at the rear side of the station, or
- By using the plugable screw connector
Connection using the RJ45 connector:
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The station cable is not a 1:1 cable! |
For details on connection at the AlphaCom server side, see ASLT - AlphaCom Subscriber Line Board
Second Call Key
The station is prepared for a future second call key (DAK2).
This second call key can be found on the print if wanted and utilized with an external call button.
- A second external call key must be connected between the A-wire and the lower leg on D6 (highlighted in the image above).