Digimerge D4202 user manual

APPENDIX #1 – DVR CONTROL

PIN CONFIGURATIONS FOR CONNECTION TO A 1CH DVR

DVR

RS232-TX

GND

RS232-RX

RS485-B

VIDEO LOSS

RS485-A

SWITCH OUT

DISK FULL

ERROR OUT

ALARM RESET

REC STAR

ALARM INPUT

EXTERNAL ALARM NC

EXTERNAL ALARM COM

EXTERNAL ALARM NO

Web Server

GND

ALARM INPUT2

ALARM INPUT1

ALARM INPUT3

NORMAL LOW

ALARM INPUT4

NORMAL HIGH

RS485-B

RS485-A

PIN CONFIGURATIONS FOR CONNECTION TO 4CH, 9CH

& 16CH DMR

DMR

EXTERNAL ALARM NO

EXTERNAL ALARM COM

RS485-A

RS485-B

RS232-TX

RS232-RX

ALARM INPUT 1

ALARM INPUT 2

ALARM INPUT 3

ALARM INPUT 4

Web Server

GND

ALARM INPUT 2

ALARM INPUT 1

ALARM INPUT 3

NORMAL LOW

ALARM INPUT 4

NORMAL HIGH

RS485-B

RS485-A

GND

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