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I Camera Connections
The following is a connection example to use system cameras and combination cameras.
Notes:
• Make sure that the cable length is less than 1 200 m {3 900 ft} between the camera site and the unit when using 5C-2V or
equivalent cables.
• To display recorded images on monitors connected to this unit, connect the MONITOR OUT connectors of recorders to the
CAMERA IN connectors of the unit.
• When connecting cameras to the unit, reserve more unused connectors than the recorder total number. (Refer to p. 30
Recorder Connections for details.)
32
31
16
EXTENSION 3 IN
VIDEO OUT 4
32
16
I RS-485 Camera Connections
There are two options to connect RS-485 cameras to this unit.
• 1:1 connection: One camera is connected to one RS-485 (CAMERA) port.
• Daisy chain connection: Up to 8 cameras can be connected to one RS-485 (CAMERA) port.
Notes:
• Set the line termination to ON for cameras at the connection ends. Line termination setting is performed with the MODE 1 to
4 switches (refer to p. 28) at video input rear boards.
• Perform the RS-485 camera setting in RS485 CAMERA of SETUP MENU (refer to p. 54) or "System" – "VD2/DATA/Cable
Comp." – "RS485 Camera" of WJ-SX650 Series Administrator Console.
• 1 200 m {3 937 ft} is the total length limit of RS-485 cables.
• Recommended for RS-485 communication is AWG#22 or thicker one. The cable should be shielded, two-wire, twisted pair,
and with low impedance.
• Conform the 2-wire or 4-wire communication setting of this unit to that of RS-485 cameras.
The following is the details on MODE 1 to 4 switch settings.
1
ON
2-wire communication
OFF
4-wire communication
4-wire
communication
communication
ON
ON
1 2 3 4
15
System camera
EXTENSION 2 IN
VIDEO OUT 3
VIDEO OUT 2
31
30
29
28
27
26
15
14
13
12
11
10
Video input rear board
2
2-wire
1 2 3 4
4
4
3
2
MODE
RS485 (CAMERA)
MODE
MODE
RS485 (CAMERA)
VIDEO OUT 1
25
24
23
22
21
20
9
8
7
6
5
CAMERA IN
3
19
18
17
3
2
1
Combination
camera
1
MODE
IN C-3
IN X-2
ALARM IN
19
18
17
4
3
2
1
IN X-1
4
Line termination: ON
Line termination: OFF
27
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