English
_17
●
Conne
CT
ing wi
Th o
Ther devi
Ce
ConneCTing The ALArm inpuT/ouTpuT
The Alarm In/Out port at the back is composed of the following.
•
ALARM IN 1 ~ 8 : Alarm Input Port
•
ALARM RESET : On receiving an Alarm Reset signal, the system cancels the current Alarm Input and
resumes sensing.
•
ALARM OUT 1 ~ 4 : Alarm Output Port
Open collector
output device
Mechanical
switch
I/O
1.2KΩ
GND
VDD
GND
or
A.R G
8
7
6
5
4
3
2
1
N.O C
N.O C N.O C N.O C
G
N.C
ALARM IN
(5mA sink)
ALARM OUT
(30VDC 2A,
125VAC 0.5A MAX)
Sensors
AUDIO OUT
VGA
CONS
OLE
CAMERA1
FAN 1
FAN 2
CAMERA2
VIEWER
ALAR
M IN
ALARM OUT
1
NO
NC NO
COM
COM
COM
COM
NO
NO
2
1
2
3
4
3 4 5
6 7 8
ALARM
RESET
G
iSCSI
G
HDMI
Alarm
Summary of Contents for SRN-4000
Page 1: ...NETWORK VIDEO RECORDER User Manual SRN 4000 ...
Page 141: ...Product Overview unit mm inches English _141 appendix ...
Page 165: ......