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National Instruments Corporation
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Custom Cables
This appendix lists specifications for building custom cables to use with the
NI PCI-1410 device.
Cable Specification
National Instruments offers cables and accessories for you to connect to
video sources, trigger sources, or synchronization sources. Use the
following guidelines when developing your own cables:
•
For the video inputs, use a 75
Ω
shielded coaxial cable.
•
For the digital triggers and synchronization signals, use twisted pairs
for each signal.
For information about connector pin assignments, refer to the
section of Chapter 3,
Connector Specifications
•
Video and sync signals—75
Ω
impedance
•
Trigger signals—TTL
•
Type—75
Ω
BNC or 68-pin VHDCI receptacle