15
2.4. Electric Specifications
SVC420GPS-L Electric Specifications
Items
Parameters
Specifications
Power input
+8-+36V
＋
8V
～ ＋
36V, When long-term under 8V, or
long-term over 36V, Auto power off, enter protected
mode.
Power output
12V
12V
（
+/-0.2V
），
Max:3A.
ACC Detection
≤
4V
Power OFF
。
≥
5V
Power ON
。
Video
input
Impedance
75
Ω
75
Ω
for each video input impedance
Video output Volt 2Vp-p
Output 2Vp-p CVBS analog signal, displayer device
input need 75
Ω
impedance to fit it
。
I/O interface
0—4V
Low level alarm
4V
以上
High level alarm
Operating Temp
-40
℃
-75
℃
Under well-ventilated environment.
SVC820GPS-L Electric Specifications
Items
Parameters
Specifications
Power input
+8-+36V
＋
8V
～＋
36V, When long-term under 8V, or long-term
over 36V, Auto power off, enter protected mode.
Power output 12V
12V
（
+/-0.2V
），
Max:3A.
ACC
Detection
≤
4V
Power OFF
。
≥
5V
Power ON
。
Video
input
Impedance
75
Ω
75
Ω
for each video input impedance
Video output
Volt
2Vp-p
Output 2Vp-p CVBS analog signal, displayer device input
need 75
Ω
impedance to fit it
I/O interface
0—4V
Low level alarm
4V
High level alarm
Operating
Temp
-40
℃
-75
℃
Under well-ventilated environment.
