11
Terminal Connectors:
EXAMPLE 1：Connect Alarm In One with PIR (Passive Infrared).
EXAMPLE 2：Connect with Alarm Siren at Relay N.O.
D+
RS-485 sends +/ receives +
D -
RS-485 sends -/ receives -
ALARM1-2 Camera alarm input.
GND GND.
N.C Relay
N.C.
COM Relay
COM
N.O Relay
N.O.