Mace DVR1604RW - Manual (Page 60)

DVR1604RW Digital Video Recorder
Operational Manual © 2004 Mace Security Products. 60
- Connection of the alarm input:
Instruction of the alarm input end:
8 channel alarm inputs with NO or NC alarm (normally open or normally close type). The power out of the
alarm sensor can be provided by the DVR (Low current only) or (External alarm power supply)
· Instructions for alarm device power from DVR:
N/O or NC alarm outputs refer to information below.
· Instruction of the controllable +12V
Available for Low Current Power to Alarm devices.
· Instruction of RS485 A & B line:
Used to connect the A and B line of the PTZ units.
Pwr Supply, Alarm Device and DVR connection
Alarm Device
ALARMIN
GND
+12V GND Com NC
Typical
connection to
DVR alarm in.