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Configuration and Installation
Chapter 2
GPIB-232CV User Manual
2-8
© National Instruments Corp.
The DIP switch at location U20 on the printed wire board is used to
configure the serial port parameters of the GPIB-232CV. The DIP switch,
shown in Figure 2-4, has eight configuration switches.
1
2
3
4
5
6
7
8
O
O
F
F
N
U20
Figure 2-4. Factory Default Settings for Switch U20
On DIP switch U20, switch 1 is OFF, indicating that XON/XOFF is
disabled. Switch 2 is OFF, indicating that the GPIB-232CV will be using 7
bits/character for its serial data transfers. Switch 3 is OFF, which indicates
1 stop bit per character. Switches 4 and 5 are both OFF, which indicates
that parity is disabled. Switches 6 through 8 are in the ON OFF ON
positions, respectively, indicating that the serial port will be operating at
9600 baud.
Tables 2-4 and 2-5 show the possible configurations of the eight switches
and what the configurations indicate.
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