
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Digital input
—
connect to alarm input sensor
GND
—
ground wire.
AUX
—
supply 12V /400mA power to external alarm input or alarm output device
Digital input electronic characteristics
Maximum operating voltage : DC24V
Maximum operating current : 1A
RS485
—
connect to external devices, such as PTZ camera and PTZkeypad.
ALARM N.C.
—
connect to N.C. alarm output device.
ALARM N.O.
—
connect to N.O. alarm output device.
Digital output electronic characteristics
:
Maximum operating voltage : DC24V / AC120V
Maximum operating current : 1A
COM
—
connect point that corresponds to alarm out.