User's Manual

2
R20A
User Manual
1.2. Connector Introduction
Ethernet(POE): Ethernet (POE) connector which 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: Trigger signal input terminal.
RelayA/B (NO/COM/NC): Relay control terminal.
Note: The general door phone interface diagram is only for
reference.
Figure 1.2.2 General interface
Figure 1.2.1 Connector Introduction