RS485, RS422 connection Keyboard controller control 4 cameras step by step
Sep 02, 2022
Connection
1. RS232 connection
For connect the DB9 port of the KB to the mini Din8 (VISCA) port of the
camera with pin-out as follows:
KB Tx – Pin 3---------- Camera Rx - Pin 5
KB Rx – Pin 2---------- Camera Tx - Pin 3
KB Gnd – Pin 5---------- Camera Gnd - Pin
Note: the RS232 cable supports a maximum length of 10m. If there are
interfaces of RS232 and RS485 in and out on the camera, RS232 can
connect more than two cameras in series to realize that one control
keyboard controls multiple cameras. If the camera only has RS232 out
interface, it only supports single camera control.
2. RS485 connection
Both kinds of wires can be used as below:
2-core oxygen free copper wire
For RS485, connect the 5p screw terminal port of the KB to the RS485
port of the camera with pin-out as follows:
KB Ta – Pin 1---------- Camera (+)
KB Tb – Pin 2---------- Camera (-)
KB Gnd – Pin 5---------- Camera (G) (if present – some cameras will not
require a G
How to make the cable connected
Note: RS485 cable length supports more than 100 m. RS485 can
connect multiple cameras in series to realize one control keyboard to
control multiple cameras.
How to use
5.1 Default parameters for keyboard controller and the camera:
5.2 The interface of RS485 for the keyboard controller.
Note: RS485 is RS422’s Ta and Tb button as below,
5
5.3 How to control
Just connect the camera and keyboard through RS232 Cable. There is
no need for any setting of the keyboard controller and camera, you can
control the camera directly.
5.3.1. 1 keyboard controller controls 1 camera: By RS232 Control
5.3.2. 1 Keyboard controller controls 2 cameras: By RS485 Control
Keyboard setting:
Camera ID: 001, 002
Protocol: VISCA
Baud: 9600
Camera setting:
Camera1: Dip setting: SW1: Dip 1----ON, others dips are off
Camera2: Dip setting: SW1: Dip 2----ON, others dips are off
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5.3.3 Keyboard controller control 3 cameras : RS485 Control :
Video:https://youtu.be/srX08jmYO3U
Keyboard setting:
Camera ID: 001, 002, 003
Protocol: VISCA
Baud: 9600
Camera setting:
Camera1: Dip setting: SW1: Dip 1----ON, others dips are off
Camera2: Dip setting: SW1: Dip 2----ON, others dips are off
Camera3: Dip setting: SW1: Dip 1 and Dip 2----ON, others dips are off
5.3.4 Keyboard controller control 4 cameras: RS485 Control
Keyboard setting:
Camera ID: 001, 002, 003, 004
Protocol: VISCA
Baud: 9600
Camera setting:
Camera1: Dip setting: SW1: Dip 1----ON, others dips are off
Camera2: Dip setting: SW1: Dip 2----ON, others dips are off
Camera3: Dip setting: SW1: Dip 1 and Dip 2----ON, others dips are off
Camera4: Dip setting: SW1: Dip 3----ON, others dips are off
Video: https://www.youtube.com/watch?v=NkxxRAZRehw
