80
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Connection with the RS485 camera
This is an example of connection when the unit is used together with the RS485 devices.
Up to eight cameras can be connected using a single RS485 (CAMERA) port.
Important:
• Terminate both devices on both ends of the connection. Refer to the respective operating instructions for the descriptions
of how to terminate. Termination of this unit can be set with the mode switch on the rear panel.
• When connecting an RS485 camera, it is necessary to set each item of "RS485 Setup" of "Comm" on the SETUP MENU
according to the RS485 settings of the camera. (Refer to page 117.)
• The total length of the RS485 cable from this unit is 1 200 meters at the maximum.
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1:1 connection
Connect a camera to the RS485 (CAMERA) port.
Example: When the RS485 cameras are connected to the CAMERA IN connectors 9 and 13:
IN
OUT
CASCADE
OUT
16
16
4
15
15
14
14
13
2
1
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
CAMERA
AUDIO IN
AUDIO OUT
MONITOR OUT CASCADE IN
MONITOR (VGA)
ALARM/CONTOROL
SERIAL
ALARM
POWER
COPY
MODE
EXIT STORAGE
10/100BASE-T
RS-485(CAMERA)
PS·DATA
AC IN
SIGNAL GND
1
3
2
RS485 cable
RS485 cable
Mode switch
(No. 1, No. 4 : ON)
6 7 8
1 2 3 4 5
ON
Combination Cameras
Unit No.13
Termination: ON
Unit No.9
Termination: ON
Connect the RS485 camera to
Switches required to be set
4-wire communication
2-wire communication
RS485 (1)
RS485 (2)
No.2
No.3
No.5
No.6
OFF
OFF
OFF
OFF
ON
ON
ON
ON
