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