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.
<Figure 1>
D-SUB 37 pin female connector (DVR)
<Figure 2>
S1640KH100 Alarm extension board (HOST)
APPENDIX C : Alarm I/O Assignment
APPENDIX
75
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
119
37 20