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1.5 Setting the RS485 termination
Set section 6 of the 6-way switch (B) as per the table below to select the termination of the
RS485 twisted pair input. "0" represents OFF (down) and"1" represents ON (up). The default
position in ON (up).
The termination switch should be ON if:
•
The dome is the only one connected to the twisted pair
•
The dome is the last one of several domes connected to the twisted pair
•
An alarm module is fitted into the dome power supply
The termination switch should be OFF if:
•
More than one dome is connected to the twisted pair and the dome is not the last in
the line.
1.6 Replacing the DIP switch cover
•
Replace the DIP switch access screw (A) on the rear of the dome
•
Take care that the thread is correctly aligned, that there is no dirt or grit that could
affect the waterproof seal.
•
Using a large flat bladed screwdriver turn clockwise to secure the screw.
•
Do not over-tighten.
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Termination
OFF
ON
6
0
1
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