Custom Cables - National Instruments IMAQ PCI-1409 User Manual

Custom Cables

Cable Specification
© National Instruments Corporation
This appendix lists specifications for building custom cables for your 1409
device.
National Instruments offers cables and accessories for you to connect to
video sources, trigger sources, or synchronization sources. However, if you
want to develop your own cables, the following guidelines must be met:
For the video inputs, use a 75 Ω shielded coaxial cable.
•
• For the digital triggers and synchronization signals, twisted pairs
for each signal yield the best result.
For information on connector pin assignments, see the
section in Chapter 4, Signal
Connector specifications include:
• Video and sync signals
• Trigger signals
• Type
Connections.
75 Ω impedance
TTL
75 Ω BNC or
68-pin VHDCI receptacle
B-1
B
I/O Connector
IMAQ PCI/PXI-1409 User Manual