GPIB-RS232 National Instruments

NI GPIB-Serial Converter 
Specifications
This document includes updated specifications for the 
GPIB-RS232/485/422. These specifications replace the specifications 
in the NI GPIB Serial Converter Help.
Physical
Dimensions............................................. 16.01 × 9.35 × 3.15 cm
(6.3 × 3.68 × 1.24 in.)
Case material.......................................... PC-ABS plastic
Weight
RS232.............................................. 192 g (6.75 oz)
RS485/RS422.................................. 196 g (6.875 oz)
GPIB cable ............................................. Type X2 shielded
Connectors
GPIB....................................................... IEEE 488 24-pin
RS232..................................................... DB-9 male
RS485/RS422......................................... DB-9 male
DC power............................................... Coaxial plug (single output 
models)
5.5 mm outer diameter
2.1 mm inner diameter, female
11 mm length, center “+”
–Vout +VoutNI GPIB-Serial Converter Specifications 2 ni.com
Signaling
GPIB .......................................................3-wire
RS232/RS485 .........................................Baud rates up to 115.2 kb/s
Power Requirements
Input voltage range .................................9 to 28 VDC
Current consumption at 12 VDC............300 mA typical, 
800 mA maximum
Fuse rating (service only) .......................Fast acting 2.2 A 125 V, 
surface mount
12 VDC Power Supply
Input voltage range .................................100 to 240 VAC, 47 to 63 Hz
Output .....................................................12 VDC, 1.25 A maximum
Environment
Maximum altitude...................................2,000 m (at 25° C ambient 
temperature)
Pollution Degree .....................................2
Indoor use only
Operating Environment
Note For the GPIB-RS232/485/422 to operate correctly over the entire specified ambient 
temperature range, stacking the product is not recommended.
Ambient temperature range ....................0 to 55° C (Tested in accordance 
with IEC-60068-2-1 and 
IEC-60068-2-2.)
1 Supplied with the GPIB-RS232/485/422.© National Instruments Corporation 3 NI GPIB-Serial Converter Specifications
Relative humidity range ......................... 10 to 90%, noncondensing 
(Tested in accordance with 
IEC-60068-2-56.)
Storage Environment
Ambient temperature range.................... –20 to 70° C (Tested in 
accordance with IEC-60068-2-1 
and IEC-60068-2-2.)
Relative humidity range ......................... 5 to 95%, noncondensing 
(Tested in accordance with 
IEC-60068-2-56.)
Shock and Vibration
Operational shock .................................. 30 g peak, half-sine, 11 ms pulse 
(Tested in accordance with 
IEC-60068-2-27. Test profile 
developed in accordance with 
MIL-PRF-28800F.)
Random vibration 
Operating ........................................ 5 to 500 Hz, 0.3 grms
Nonoperating .................................. 5 to 500 Hz, 2.4 grms 
(Tested in accordance 
with IEC-60068-2-64. 
Nonoperating test profile 
exceeds the requirements of 
MIL-PRF-28800F, Class 3.)
Safety
This product is designed to meet the requirements of the following 
standards of safety for information technology equipment:
• IEC 60950-1, EN 60950-1
• UL 60950-1, CSA 60950-1
Note For UL and other safety certifications, refer to the product label or visit 
ni.com/certification, search by model number or product line, and click the 
appropriate link in the Certification column.
Note The protection provided by this equipment may be impaired if it is used in a manner 
not described in this document.