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  • Below you will find a number of action points and tips to use to investigate your system and to detect any possible errors.

  • The video kit can be expanded maximally with:

  • The audio kit can be expanded maximally with:

  • Yes, You add a telephone interface and a telephone exchange to the access control installation. The one side of the interface is connected with a, b and P terminals from the installation while the other side (a, b) is connected to an analogue internal line of the telephone exchange.

  • There is an extra bell in the Niko Access Control range:

  • The video signal of the Niko Access Control installation is a symmetrical line signal (1 VPP 100 Ω), while a non-symmetrical coax signal (1 VPP 75 Ω) is the most common standard video signal.