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POW-R-SWITCHES 4C AND 8C
3.5 Setting the DIP Switch
Once again, before attaching any cables or power plugs, make sure power to
all equipment is OFF. Select the proper data rate, word structure, and arming
character. Connect the RS-232 connector(s) and plug in the 5-volt DC power
supply. Attach the power cords.
The data rate and word structure can be set by using the chart below. These
selections are made on SW1.
Table 3-1. Possible Settings of the Communications DIP Switch
FUNCTION
Data Rate (bps)
115,200
57,600
38,400
19,200
9600
2400
1200
600
Word Structure
8 data bits, no parity
8 data bits, no parity
7 data bits, odd parity
7 data bits, even parity
Self-Test
Normal Mode
Run Self-Test
*A switch position is ON when it is down (closer to the number that identifies it).
To test your installation, you can use the serial self-test. To enable the self-test,
put switch 6 in the ON position and reset the Pow-R-Switch. To end the self-
test, turn switch 6 OFF.
10
DIP-SWITCH POSITION*
1
2
3
OFF OFF OFF
ON
OFF OFF
OFF
ON
OFF
ON
ON
OFF
OFF OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
4
5
6
OFF OFF
ON
OFF
OFF
ON
ON
ON
OFF
ON
7
8
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