National Instruments PC-DIO-24/PnP - Manual (Page 19)

Chapter 1 Introduction
PC-DIO-24/PnP User Manual 1-6 © National Instruments Corporation
The mating connector for the PC-DIO-24/PnP is a 50-position,
polarized, ribbon socket connector with strain relief. National
Instruments uses a polarized (keyed) connector to prevent inadvertent
upside-down connection to the PC-DIO-24/PnP. Recommended
manufacturer part numbers for this mating connector are as follows:
• Electronic Products Division/3M (part number 3425-7650)
• T&B/Ansley Corporation (part number 622-5041)
The standard ribbon cables (50-conductor, 28 AWG, stranded) that can
be used with these connectors are as follows:
• Electronic Products Division/3M (part number 3365/50)
• T&B/Ansley Corporation (part number 171-50)
Recommended manufacturer part numbers for the 50-pin edge
connector for connecting to a module rack with an edge connector are
as follows:
• Electronic Products Division/3M (part number 3415-0001)
• T&B Ansley Corporation (part number 622-5015)
A polarizing key can be plugged into these edge connectors to prevent
inadvertent upside-down connection to the I/O module rack. The
location of this key varies from rack to rack. Consult the specification
for the rack you intend to use for the location of any polarizing key. The
recommended manufacturer part numbers for this polarizing key are as
follows:
• Electronic Products Division/3M (part number 3439-2)
• T&B Ansley Corporation (part number 622-0005)