Digital Watchdog DW-708N Series User Manual page 19

[ALARM IN Port]
6
• This is the input port for sensor devices.
•The system supports NC(Normal Close) and NO(Normal Open) sensor types.
[ALARM OUT Port]
7
• This is the output port for alarm out devices .
• The system supports NC(Normal Close) and NO(Normal Open) control types.
[Caution]
• Since control devices use output in a contact point format without polarity at
the control output port, do not connect AC 110V ~ 220V of the power cable or supply
DC power.
• When controlling DC power, it is recommended that you cut the (-ve) line.
8
[RS485 M/RS485S]
- RS-485M output for controlling PTZ cameras.
- RS-485S input for external devices such as keyboard controller or POS system.
- If a device is connected to the RS-485 input then the RS-232 port does not work.
[USB]
9
- You can connect a portable disk drive to USB port to save backup of recorded video.
- You can update your system software with an upgrade package through the USB port.
- You can control screen menu with connecting USB type mouse.
10
[S-VIDEO]
- S-Video output for connecting with SVGA monitor.
[AUDIO OUT]
11
- Connect speakers to the Audio Out port in order to output Audio data.
D
D
[Note]
The DVR is not equipped with an audio output amplifier. Thus, user are advised to
purchase separate amplifiers and speakers or speakers with a built-in amplifier.
12
[AUDIO IN]
- Input speaker into the audio in ports.
- Supports recording of up audio channels.
Model DW-604T
Audio
4CH
Channels
DW-608T DW-616T
8CH 8CH
19 19
DW-708T DW-716T
8CH 16CH