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Product Overview
The switch provides one 2-wire P port and one RJ-45 port. You can connect up to 22 devices into the
network with one switch. When connected to network through the switch, 2-wire indoor monitors
(VTH) can make calls, unlock doors and monitor.
Application
A single 2-wire switch can connect at most 20 VTHs and 2 door stations (VTOs).
Cable Requirements
See the instruction below when choosing the right signal cables for the amount of devices you have:
R (total resistance) = 6V/the number of VTHs/0.1A (the average current for each VTH)
For example, the total resistance of the cables for 5 VTHs must be less than 6V/5/0.1A = 12Ω.
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Introduction
Figure 1-1 Villa network diagram
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