National Instruments 321042A-01 用户手册

                                                                                                                                                   

This appendix describes the characteristics of the STD-GPIB and the recommended
operating conditions.

Table A-1.  Electrical Characteristics

Maximum GPIB Transfer Rate

3-Wire (IEEE 488)
High Speed (HS488)

Over 1 Mbyte/s*
Over 1 Mbyte/s*

Power Requirement
(from STD I/O channel)

+5 VDC 

175 mA  Typical

      

275 mA  Maximum

*

Actual speed may vary considerably from speed shown because of
system and instrumentation capabilities.

Table A-2.  Environmental Characteristics

Operating Environment

Component Temperature
Relative Humidity

0

°

 to 55

°

 C

10% to 90%, noncondensing

Storage Environment

Temperature
Relative Humidity

-20

°

 to 70

°

 C

5% to 90%, noncondensing

EMI

FCC Class A Verified

Table A-3.  Physical Characteristics

Dimensions

16.51 by 11.43 cm
(6.5 by 4.5 in. )

I/O Connector

5 in. ribbon cable terminated with
panel-mount IEEE 488 Standard
24-pin