Linkcom Link Door Phone User Manual page 6

- Relays Relay ON Relay OFF
- Door Look
- Heating Main module circuits
3 - <<1 NO COM NC / 2 NO COM NC >> 2 relays Relayable by DTMF code allow the activation of
Door Look, Coaxial Camera, Light and External bell.
The contact points are the following :
<< NO >> Open Contact (not powered constantly)
<< COM >> Commun Contact
<< NC >> Closed Contact (Permanant power for Magnetic Look)
The contacts of both Relayes are galvanically isolated each other and from other Doorphone circuits.
4 - << GND>> Faston 2.8mm terminal protects against static electricity – to be connected to earthing.
5 - <<Volume>> trimmer serves to the adjustment of loudspeaker volume, it has no effect to other
Doorphone features.
6 - <<MIC>> trimmer (placed under PDV board) provides the adjustment of microphone volume. Such
adjustment can improve the feature of speech way, e.g. by ambient noise in the street.
7 - << HEAT >> Jumper serves the Relaying of board heating. This function requires the connection of 12V
supply on "12V" marked terminal.
8 - <<Expansion>> Allow connecting by flat cable supplied any modul as IP/IP WiFi camera, Keypad
UCKN, Master U4C direct call buttons.
9 - <<PRG>> Allow PC connection with KAB cable for configuration through NSET soft and serves to the
diagnostics and new software load.
10 - <<SERVICE>> Jumper serves to direct access to programming. It can be used, for example by
absence of password for programming.
Connection diagrams:
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LinkDoor
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LINK DOOR PHONE
– Installation and Operating Instructions
Number date
15/04/05
001
page
6/31