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Model AD2083-02C AD RS-422 Distributor Installation and Operation Instructions
4
Internal Setups
– CAUTION –
The following internal adjustments, requiring disassembly of the unit, will expose hazardous-voltage
components and allow access to dangerous electric shock potentials. These internal adjustments
should be made only by qualified service personnel.
Two 8-position DIP switches (S5 and S6) are located on the main PCB inside the unit (see Figure 3). Each DIP
switch has eight switch positions, numbered 1 through 8. The active position numbers are used for the following
setup functions.
Figure 3 – Location of DIP Switches on PCB
Baud Rate Selection
The S5 DIP switch settings configure the input and output baud rates for the two RS-232 COM terminals and for
the RS-422 terminal pins of the interface connectors (see Table 2).
Table 2 – S5 Baud Rate Setup
Switch Position
COM OUT
COM IN
RS-422
BAUD RATE
1
2
3
4
5
6
1200 OFF
OFF
OFF
OFF
OFF
OFF
2400 ON
OFF
ON
OFF
ON
OFF
4800 OFF
ON
OFF
ON
OFF
ON
9600 ON
ON
ON
ON
ON
ON
Note
All SpeedDome products work at 4800 Baud only.