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2.2 Termination & Dip Switch Settings
The first and last devices in an installation (dome and keyboard controller) must have the data line
terminated by setting the DIP switch. Without proper termination, there is potential for control signal
errors. Total length of the cable for communication should not exceed 1 mile.
Refer to Figure 7 for setting the dome camera and keyboard controller termination.
Cable for communication
When there is more than two branches, a
repeater (HID2404SR) is required.
Termination should be On
Termination should be On
Cable for communication
Figure 7 – Termination
Termination and Master/Slave: Set the switches according to your configuration.
ON
9J 1
2
3
4
5
6
7
8
S2
Figure 8 – Keyboard DIP Switches
14
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