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Chapter 1 Description of the GPIB-100A
© National Instruments Corporation 1-5 GPIB-100A User Manual
Table 1-4. Electrical Characteristics
Characteristic Specification
GPIB interface circuit duplex transceivers with open
collector drivers (MC3441A)
transmission interface RS-422 drivers and receivers
circuit (MC3487 and AM26LS32) connected with patented
data transmission cable for minimum skewing
(<= 3%) between any two pairs
power supply 50 to 60 Hz
selectable (fuse) 110 V, 160 mA (250 mA, 250 V, Slow Blow)
220 V, 80 mA (200 mA, 250 V, Slow Blow)
GPIB interface load one standard load, AC and DC
power 18 W typical
Table 1-5. Environmental Characteristics
Characteristic Specification
operating temperature 0 to 55 C
humidity 5 to 95% non-condensing conditions
FCC Class A verified
110V Version UL Listed
220V Version UL Listed and also classified by Underwriters
Laboratories Inc. in accordance with International
Electrotechnical Commission publication 950