Panasonic WJ-SX650 - Manual (Page 27)

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■ 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 900 m {3 000 ft} between the camera site and the unit when using RG-59/U,
BELDEN 9259 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. 63
Recorder Connections for details.)
■ 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. 61) at video input rear boards.
• Perform the RS-485 camera setting in RS485 CAMERA of SETUP MENU (refer to p. 84 ) or "System" – "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.
VIDEO OUT 3 VIDEO OUT 4 VIDEO OUT 2 IN X-2 VIDEO OUT 1 ALARM IN
IN X-1
16
32
15
31 30
14 13
29 28
12 11
27 26
10 9
25
CAMERA IN
24
8 7
23 22
6 5
21 20
4 3
19 18
2 1
17
EXTENSION 3 IN EXTENSION 2 IN
4
MODE RS485 (CAMERA) RS485 (CAMERA)
3
MODE MODE MODE
2 1
IN C-3
17
15 16 1 2 3 4
18 19 31 32
System camera
Combination
camera
Video input rear board
ON
OFF
2-wire communication Line termination: ON
4-wire communication Line termination: OFF
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
4-wire
communication
2-wire
communication