The CDV-DBC4A bus distributor is required for systems with multiple door stations (up to a maximum of 4 door stations). When star-wiring 2EASY 2-Wire handsets, the CDV-DBC4A is required, with 4 handsets per CDV-DBC4A. When using CDV-47DX monitors on larger systems, you may need to use the CDV-DBC4R. Key features 4-way bus distribution unit Allows extension up to 4 handsets or door stations Compatible with all 2EASY 2-Wire door stations Simple 2-wire, no polarity wiring
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