Chapter 1
Hardware Overview
©
National Instruments Corporation
1-3
NAT4882 Controller chip implements all IEEE 488
Talker/Listener/Controller functionality.
AC Version Front Panel
The power switch, fuse holder, and power cord receptacle are located on
the GPIB-232/485CT-A front panel, on the AC version only. Figure 1-1
shows the front panel of the AC version.
Figure 1-1.
The AC Version Front Panel
Top Panel
The six light-emitting diodes (LEDs) are located on the
GPIB-232/485CT-A top panel. Figure 1-2 shows the top panel.
Note
The following figures show only the GPIB-232CT-A, but the GPIB-485CT-A is
similar.
Figure 1-2.
The Top Panel
FUSE
PO
WER
READ
Y
TALK
LISTEN
SRQ
AT
N
GPIB-232CT-A
RS-232
IEEE 488 Controller