Firewire-B cable with built-in trigger lines?

Hi all,
We are building multiple vision systems. Each system has a camera with Firewire-b cable and also a Trigger Cable (with 3 conductors).
For our application, we need as few cables as possible. Our users are very concerned about having too many cables.
Does anyone know if I can purchase a firewire-B cable that has trigger lines. Some kind of two-in-one cable?
Our best option right now is to use spiral wrap.
- John

The signal is being generated by an NI DAQ card:
Pin 1: +5V
Pin 2: DGND
Pin 3: A digital pulse train that fires the camera shutter. From 0.25 Hz to up to 60 Hz.
Not really sure about jitter or latency. I'd rather not have much of either. But don't have specific requirements.
How can I put the signal "in band" with the FireWire cable? Are there unused pins I could utitilize? Not sure if it'd be worth the effort, but I am curious.
Thanks! This machine vision board is very helpful!

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Hi Shibaev,
Thanks for posting on the NI forums.
I have taken a look into this one. From what is documented in the Traditional NI-DAQ manual, and the DAQ help file, the trigger lines for PXI devices are referred to as RTSI lines. For PCI devices there is an optional connector for a RTSI cable to provide shared triggers in a desktop PC. With PXI these lines are built into the PXI chassis. Although PXI and PCI are different form factors for DAQ devices, the (Traditional) NI-DAQ driver refers to either RTSI lines or PXI lines as simply 'RTSI'.
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Field Sales Engineer | National Instruments | UK & Ireland
Attachments:
TriggerLineOptions.JPG ‏98 KB

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Hi,
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http://mypage.iu.edu/~zzhuang

Thank you for your information.
I just had trouble finding that item RTSI cable in the MAX. Later in the help, I found that I needed to use "creat new" to creat that item. Thanks very much.
http://mypage.iu.edu/~zzhuang

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Edited by: Timo Hahn on 22.09.2011 09:15
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