Speco Technologies 16TH User Manual
User’s Manual
DVR-4TH/8TH/16TH Series
SPECO TECHNOLOGIES 07/10
162
DVR-16TH Alarm I/O
Pin Definition
Pin Definition
Pin Definition
1
RS485 D+
12 N/A
23 Alarm In 7
2
RS485 D-
13 N/A
24 Alarm In 8
3
Ground
14 N/A
25 Alarm In 9
4
Normal Close A
15 N/A
26 Alarm In 10
5
Common Node A
16 N/A
27 Alarm In 11
6
Normal Open A
17 Alarm In 1
28 Alarm In 12
7
Ground
18 Alarm In 2
29 Alarm In 13
8
Normal Close B
19 Alarm In 3
30 Alarm In 14
9
Common Node B
20 Alarm In 4
31 Alarm In 15
10 Normal Open B
21 Alarm In 5
32 Alarm In 16
11 Ground
22 Alarm In 6