© National Instruments
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2-1
2
Connecting Your Hardware
This chapter describes how to connect your GPIB extender and verify that it is working properly.
Step 1. Verify the DIP Switch Setting
The 3-bit DIP switch sets the operation mode of the GPIB extender. The default switch setting
is for unbuffered transfer mode, latched parallel poll response (PPR), and HS488 disabled mode,
as shown in Figure 2-1.
Figure 2-1.
Default DIP Switch Setting
Verify that the DIP switches on your GPIB extender are in these default positions. If you need
to change these settings, refer to Chapter 3,
Configuring and Using Your Hardware
, for
instructions on how to set the operation mode for your application.
PARALLEL POLL IMMEDIATE
H
S
4
88
ENABLE
BUFFERED TRAN
S
FER
OFF
ON