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H.264 DVR User Manual
2.2.4 RS485, sensor and alarm termination block
Use the back panel termination block to connect sensor, RS-485, and alarm out cables.
Pin block definitions:
S1, GND
: Sensor 1 input
S2, GND
: Sensor 2 input
S3, GND
: Sensor 3 input
S4, GND
: Sensor 4 input
D+, D-
: RS-485A and RS-485Bt
A, B
: Alarm output
NOTE
S1 - S4
sensor inputs can be normally open (N.O.) or normally closed (N.C.). To configure the sensor type, go to
SETUP -> Device -> Sensor: Type
. .
NOTE
A - B
(alarm out) can be triggered by any single of combination of sensors and motion on or video loss in up to four camera
channels. To configure alarm causing conditions, go to:
SETUP -> Device -> Alarm Out
.
SECTION 2: HARDWARE OVERVIEW AND SETUP
Summary of Contents for BLK-DH200400DH
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