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Chapter 1 Introduction
GPIB-SCSI-A for Solaris 1-2 ni.com
Caution
To meet FCC emission limits for this device, you must use a shielded
(Type X1 or X2) GPIB cable. Operating this equipment with a non-shielded cable
may interfere with radio and television reception.
GPIB Hardware Overview
The GPIB-SCSI-A is a high-performance interface product that
transparently handles data transfers between the SCSI and the GPIB.
The GPIB-SCSI-A is actually an 8-bit microcomputer that operates as a
full-function IEEE 488.2/SCSI Controller. It can turn any computer with
a SCSI port into a GPIB Talker/Listener/Controller or it can make any
device on the SCSI bus look like a GPIB device.
The GPIB-SCSI-A has all the software and logic required to implement
the physical and electrical characteristics of the ANSI/IEEE Standard
488.2-1987 and the ANSI Standard X3T9.2. It is able to interpret and
execute commands that you send to it over the GPIB or SCSI ports and
to perform all necessary GPIB-to-SCSI protocol conversions.
Standard GPIB cables canconnect the GPIB-SCSI-A with up to14 devices.
If you need to connect to more than 14 devices, you can add them to your
system using an IEEE 488 extender or expander, such as the National
Instruments GPIB-130, GPIB-120A, or GPIB-140A. Refer to Appendix B,
Specifications, for more information about the GPIB hardware
specifications and recommended operating conditions.
NI-488.2 Overview
NI-488.2 for Solaris consistsof a loadable driver and utilities that transform
a Sun SPARC system running Solaris into an IEEE 488.2 (GPIB)
Controller with complete communications and bus management
capabilities.
NI-488.2 includes the following components:
• C language interface
• Software diagnostic utility
• Interactive control utility
• Interactive configuration utility
NI-488.2 supports multiple GPIB-SCSI-A boxes installed in a Sun SPARC
system, and is completely compatible with both IEEE 488 and IEEE 488.2
instruments.
GS.book Page 2 Tuesday, June 12, 2001 2:17 PM