14
Section 5
External alarm in/out connection
Alarm in
The alarm input is NO/NC input. 4 CH series DVR has 4 ports for alarm input, 8 CH series DVR has 8 ports for
alarm input, 16 CH series DVR has 16 ports for alarm input.
Please connect signal port to “
ALARM IN
” and GND port.
Alarm type as NO in
“Main Menu—
Rec
—
External
Alarm
—
Alarm Type
”
as NO. Alarm type as NC in
“Main
Menu
—
Rec
—
External Alarm
—
Alarm Type
”
as NC.
Fig. 4
Note: external input voltage can not be higher than 5V.
Alarm out
Alarm output is NO/NC output.
If
“NO1” and “COM1” was off, the alarm output disables,
if
“NO1” and “COM1” was connected, the alarm
output enable.
Fig. 5
Note: 24V DC (1A), 120V AC (1A) voltage and current are suggested.
Section 6
PTZ (pan, tilt and zoom) control connection
T+ and T- ends of RS485 can be connected with the Rx+, Rx- on PTZ or High Speed Dome.
2U case D1 model and 2U case CIF model PTZ linkage should be as follows: