Monochrome Image Acquisition Device User's Manual

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 Digital I/O

Connector section of Chapter 3, Signal Connections.

Connector Specifications

• Video and sync signals—75 Ω impedance

• Trigger signals—TTL

• Type—75 Ω BNC or 68-pin VHDCI receptacle