User Guide

R28A/V
Admin Guide
1.2Connector Introduction
Ethernet (POE): Ethernet (POE) connector which it can provide
both power and network connection.
12V/GND: External power supply terminal if POE connector is
not available.
WG_D0/WG_D1: Wiegand terminal.
DOORA/B/C: Trigger signal input terminal.
RS485A/B: RS485 terminal.
RelayA/B/C (NO/NC/COM): Relay control terminal.
12V_OUT/GND_OUT: External power output terminal.
Note: The general door phone interface diagram is only for
reference.
Figure 1.2-1 R28’s interface