DD-ADV-201 network switch is designed to connect DD5100 telephone locks to the network. Combines multiple entrances with duplicate apartment numbering. For example, when there are one or more gates with DD5100 telephone locks for access to the area, and the area contains several houses with staircases with duplicate apartment numbering or one house with several staircases with duplicate apartment numbering.
The ADV-201 network adapter is an updated version of the ADV-101 network adapter for combining multiple audio telephony DD-5100 into a single network when more than one house (stairs) is connected to the network with the same address destination. The advantage of this switch is that it can switch the video signal off the audio signal as well.
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