User's Manual

Amroad Technology Inc.
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DB3100R VIDEO DOOR PHONE
3. Wire and Cable Connection
Wire and cable go through wall and corrugated tube, and are used for DC power, network connection, and relay control. There are IO connectors on
the rear side of the DB3100R. They are for DC power, Ethernet port (RJ-45 connector), and GPIO wire. Please refer to the Figure and following sec-
tion- GPIO & Relay Control. For space saving, AR Relay Board can be placed on the top of the rear side and connect GPIO wires.
Figure 11: Wire and Cable Connection on the Rear Side of DB3100R