National Instruments GPIB-100A - Manual (Page 11)

Description of the GPIB-100A Chapter 1
GPIB-100A User Manual 1-2 © National Instruments Corporation
extension. And because the GPIB-100A is a functionally transparent extender, the same GPIB
communications and control programs that work with an unextended system will work
unmodified with an extended system. There is one minor exception to this transparency in
conducting parallel polls, as explained in Chapter 3 in the paragraph Parallel Poll Response (PPR)
Modes.
GPIB #2 GPIB #1 GPIB-100A
Computer
(System Controller,
Talker, and Listener)
Printer
(Listener)
Multimeter
(Talker and Listener)
Signal Generator
(Listener)
Unit Under Test
GPIB-100A
RS-232 Compatible
Transmission
Lines
Figure 1-2. Typical GPIB-100A Extension System (Physical Configuration)
Computer
(System Controller,
Talker, and Listener)
Printer
(Listener)
Multimeter
(Talker and Listener)
Signal Generator
(Listener)
Unit Under Test
GPIB
Figure 1-3. Typical GPIB-100A Extension System (Logical Configuration)