Appendix-D Alarm I/O Pin Assignment - EverFocus DVR-900 Instruction Manual

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.
1
2
<Figure 1>
D-SUB 25 pin female connector (DVR)
DVR
PIN # NAME / Function
1 GND
2 ALM 1
3 ALM 2
4 ALM 3
5 ALM 4
6 ALM 5
7 ALM 6
8 ALM 7
9 ALM 8
10 ALM 9
11 ALM 10*
12 ALM 11*
13 ALM 12*
14 ALM 13*
15 ALM 14*
16 ALM 15*
17 ALM 16*
18 ALMRST Alarm Reset
19 REC
20 GIN10
21 DISKFULL Disk Full Out
22 GO1
23 ALM-N.C Alarm Out N.C.
24 ALM-N.O Alarm Out N.C.
25 ALM-COM Alarm OUT COM
* ALM10~ALM16 are active only for DVR-1600
13
25
Ground
Alarm In 1
Alarm In 2
Alarm In 3
Alarm In 4
Alarm In 5
Alarm In 6
Alarm In 7
Alarm In 8
Alarm In 9
Alarm In 10
Alarm In 11
Alarm In 12
Alarm In 13
Alarm In 14
Alarm In 15
Alarm In 16
Record In
Reserved
Reserved
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
PR16D00400
<Figure 2>
PR16D00400 Alarm extension board
HOST
PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
51
Appendix-D
NAME
GND
ALM 1
ALM 2
ALM 3
ALM 4
ALM 5
ALM 6
GND
ALM 7
ALM 8
ALM 9
ALM 10*
ALM 11*
ALM 12*
ALM 13*
ALM 14*
ALM 15*
ALM 16*
ALMRST
REC-IN
GND
SPARE-IN
DISKFULL
SPARE-OUT
ALM-N.C
ALM-N.O
ALM-COM
GND