Appendix B Hardware Specifications - National Instruments AT-GPIB Getting Started

Appendix B
Hardware Specifications
This appendix contains a description of the physical and electrical
characteristics of the AT-GPIB interface board and the conditions under
which it should be used.
IEEE 488 Bus
Turbo488 Clock
NAT4882 Interface Controller Clock
Transfer Rate
• Read from GPIB instrument
• Write to GPIB instrument
• GPIB commands
(Actual speed may vary considerably from those shown due to
instrumentation capabilities.)
Power Requirement (from PC AT I/O Channel
Bus)
+5 VDC
Physical
Dimensions
I/O Connector
© National Instruments Corp.
20.0 MHz
20.0 MHz
Over 1 Mbytes/sec
Over 1 Mbytes/sec
350 kbytes/sec
0.66A typical
1.50A maximum
4.2 in. x 6.5 in.
IEEE-488 Standard 24-Pin
B-1 AT-GPIB/NI-488M/AT&T UNIX