DVR 12-CH, User Manual

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7
Chapter 1
1. Power Fan
This is used to cool the power supply.
2. System Ventilation Fan
This fan ventilates the entire system.
3.BNC Camera Input
Use BNC pigtail adaptor to connect NTSC or PAL compatible cameras.
See Figure1-3; the position and numbering of the on-screen camera
output is determined by the slot and channel numbering sequence of
the cards. For example, camera 1 would be connected to channel 1 of
card 1, camera 2 would be connected to channel 2 of card 1, camera
5 would be connected to channel 1 of card 2, etc., since there are 4
available channels per card slot.
Figure 1-4: BNC pigtail adaptor
4.Ethernet LAN Port
Use an RJ-45 LAN cable to connect to a LAN or Internet.
5.VGA Display Port
This port is used to connect an external CRT or TFT display.
6.Printer Port
This port is used to connect a printer to the DVR.
7.PS/2 Keyboard Port
This port connects a PS/2 compatible keyboard.
8.PS/2 Mouse Port
This port connects a PS/2 compatible mouse.
9.Power Cord Socket
This socket is used to connect the power cord to the wall power
outlet.
10.Voltage Switch
The voltage switch regulates the voltage specifications of 110/220V,
as required for different regions. Switch the voltage according to
your region’s requirements.