Digimerge DHU104 用户手册

Rear Panel

1. N

TSC/PAL SWITCH - Set the unit to either NTSC (North America) or PAL (Europe).

2. BNC VIDEO INPUTS - Channel 1~4 Camera inputs (used to connect Cameras with BNC 

connection type). Cameras with BNC connections require an additional power adaptor.

NOTE: Additional BNC Inputs are available on the 8 and 16 channel models.

3. MONITOR OUT - Video Output port to connect the unit to a secondary DVR or TV. Directly 

reflects the current onscreen images.

4. RCA AUDIO INPUTS - Channel 1~4 Audio inputs (for BNC type cameras with standard RCA 

Audio output). 

5. AUDIO OUT - Audio Output port to connect the unit to a secondary DVR or TV.

6. VGA OUT - Video Output port to connect the unit to a Computer Monitor. Directly reflects the 

current onscreen images.

7. ALARM BLOCK (INPUT/OUTPUT) & RS-485 PTZ TERMINALS - These terminals are used to 

connect:

• External alarm devices such as a motion sensor, door/alarm sensor, or time lapse VCR for Alarm 

Recording. 

• The block is also used to connect Relay and RS-485 Connection types. These terminals are used to 

control PTZ (Pan/Tilt/Zoom) type cameras. 

Please refer to Appendices #4 and #5 for configuration details.

8. PS/2 port: Connection port for a PS/2 mouse (not included).

9. ETHERNET PORT - Located on the back of the unit, above the Alarm Block terminals. Connects 

the monitor to a router for connection to the internet. Refer to the appendices for Remote 
Connection setup.

10. DC POWER INPUT - Connect the AC power using the power cord provided with the unit from 

the monitor to an electrical outlet