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I installed and configured the call forwarding device 9854/58 on my video door phone system with coaxial cable, but the call lasts one second and no communication takes place.
Which App can I download to my smartphone to make it compatible with the call forwarding device 9854/58?
What services are available with the call forwarding device 9854/58 after a video door phone call in a video system with coaxial cable?
Must the call forwarding device 9854/58 be powered?
How many electronic door phones can I connect in parallel in a 4+n system?
Which power supply unit can I use in a coaxial cable video system or coaxial 5-wire system without coaxial cable?
Which indoor stations can I install in a 5-wire video system (without coaxial cable)?
Can I connect some in/out monitors to a 5-wire video system without coaxial cable?
Which cable can I use to transmit the video signal in a 5-wire system without coaxial cable?
What distance can I reach in a 5-wire video system without coaxial cable?

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Must the call forwarding device 9854/58 be powered?

02 February 2024 17:40
Updated

The call forwarding device 9854/58 must always be powered unit the power supply unit supplied

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