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2. Audio Output Connector -- (optional)
Single-channel audio output connector for connecting speakers (4CH-RCA, 8CH/
16CH-DB9)
3. Audio Input Connectors (AUDIO IN 1-4/1-8/1-16) - (optional)
4-/8-/16-channel audio input connectors for connecting to audio signal input (4ch-RCA,
8ch/16ch -DB9)
4. Video Input Connectors (Video IN 1-4/1-8/1-16)
4-/8-/16- channel video input connectors for connecting to analog video signal input, BNC
(1Vp-p, 75Ω)
5. Video Output Connector
Video output for connecting the DVR to a monitor or TV, BNC (1Vp-p, 75Ω)
6. VGA Connector
For connecting the DVR to a VGA/LCD monitor
7. Ethernet Connector
RJ-45 10/100 Base-T Ethernet network
8. Alarm Input Connectors (
4ch-/8ch-: ALARM IN CHANNELS 1-4, 16ch-: ALARM IN
CHANNELS 1-16
) -(optional)
For connecting to external sensor devices
Each alarm has one input pin on the terminal block of the rear panel.
Connect the positive (+) output pins of the device to the input slots (“Alarm In”) on the DVR
terminal block (4-ch-/8-ch-:1 – 4; 16ch-:1-16).
Connect the ground (-) output pins of the device to the DVR ground slots (G). Multiple
devices can be connected to one ground slot.
4-ch/8-ch 16-ch
Port functions:
Pin 1-G: Sensor 1 input; Pin 2-G: Sensor 2 input;
……
Pin 15-G: Sensor 15 input; Pin 16-G: Sensor 16 input;
Pin NO-COM: Alarm Output (N.O); Pin A, Pin B: RS-485A, RS-485B;
Pin +, Pin -: Connect Keyboard.
Alarm Output Connectors (pin NO-COM) ---- (optional)
For connecting the DVR to external alarm devices
RS-485 Connector (pin A-B) ---- (optional)
For connecting the DVR to PTZ camera controls
9. Power Input Socket (12V DC)-(optional)
10. Power Switch - (optional).
11. Cooling fan - (optional).
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