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I need to find a way for my laptop to communicate with an RS422 device. The RS422 device needs to operate around 2MBits/sec. I could use either USB 2.0, PCMCI or firewire. Is there a company that I can purchase this 422 device?

Thanks

Check out B&B Electronics http://www.bb-elec.com/. They specialize in serial communications products.

Regards,

Steve

Software Services and System Solutions for the Enterprise
Steven E. Jones, Managing Partner
The S4 Group, Inc.
http://www.thes4group.com
585 - 24th Street
Three Link Tower, Suite 106
Ogden, UT 84401
Office: (801) 621 1970
Mobile: (414) 828 0166
sejones@thes4group.com

I use PCMCIA card from Quatech (http://www.quatech.com) model SSP-200/300 it creates a Com Port on the Laptop that can be used as RS422 or RS485. I have it for 2 years and has been working smoothly.

Hope this can help you.

If you find one that runs at 2Mb, please post the source here.

I have seen those that run at ~920Kb, but that's only half of your desired baud rate.