Appendix, Appendix c, Alarm i/o pin assignment – EverFocus EDR920 User Manual

Page 76: Alarm i/o assignment

Alarm I/O pin assignment

The alarm connector, Figure 1, is used to provide one sensor alarm input for each camera input.
For easy operation, an alarm extension board, Figure 2, is provided to connect to the alarm connector.

Each alarm input requires two wires, one wire connects to the desired alarm input pin, the second wire
connects to the ground.The alarm signal assignment is shown at the following.

D-SUB 37 pin female connector (DVR)

S1640KH100 Alarm extension board (HOST)

APPENDIX C :

Alarm I/O Assignment

APPENDIX

HOST

PIN #

NAME

PIN #

NAME

1 GND 21 GND

2 ALMIN

1 22 ALM_NC1

3 ALMIN

2 23 ALM_NO1

4 ALMIN

3 24 ALM_COM1

5 ALMIN

4 25 ALM_NC2

6 ALMIN

5 26 ALM_NO2

7 GND 27

ALM_COM2

8 ALMIN

6 28

GND

9 ALMIN

7 29 ALM_NC3

10 ALMIN

8 30 ALM_NO3

11 ALMIN

9 31 ALM_COM3

12 ALMIN

10 32

ALM_NC4

13 GND 33 ALM_NO4

14 ALMIN

11 34 ALM_COM4

15 ALMIN

12 35

GND

16 ALMIN

13 36

ALMRST

17 ALMIN

14 37

REC_IN

18 ALMIN

15 38

SPARE_IN

19 ALMIN

16 39 DISK_FULL

20 GND 40

SPARE_OUT

DVR

PIN #

NAME

PIN #

NAME

1 GND 19 GND

2 ALM

1 20 ALM-NC0

3 ALM

2 21 ALM-NO0

4 ALM

3 22

ALM-COM0

5 ALM

4 23 ALM-NC1

6 ALM

5 24 ALM-NO1

7 ALM

6 25

ALM-COM1

8 ALM

7 26 ALM-NC2

9 ALM

8 27 ALM-NO2

10 ALM

9 28

ALM-COM2

11 ALM

10 29 ALM-NC3

12 ALM

11 30 ALM-NO3

13 ALM

12 31 ALM-COM3

14 ALM

13 32 ALMRSTO

15 ALM

14 33

REC

16 ALM

15 34

GIN1O

17 ALM

16 35 DISKFULL

18 GND 36 GO1