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Designing an RS-422/RS-485 system? Here

March Mania - Buy More, Save More. Up to 15%!

Federal government offices:
Click here to find out more about our extensive selection of products designed to reduce costs, increase productivity, and improve security.

Click here to download the Federal IT Solutions brochure (24-page PDF).


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For more information on our GSA programs, download our GSA terms and conditions.

GSA Schedule 70, Contract #GS-35F-0158J.
Open to all government agencies.
Cage Code 59951, DUNS# 082254871, Federal ID# 25-1272662.
Black Box accepts all government purchasing cards.

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RS-232 PCI Card, 8-Port, Low Profile, 16854 UART


Get 8 ports—and a 460.8-kbps sustained data rate—for serial devices via your PCI bus.



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RS-232/422/485 PCI Card, 8-Port, 16864 UART


Add ports and speed for serial devices via your PCI bus.



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RS-232 PCI Card, 16-Port, 16854 UART


Give data rates a 460.8-kbps boost.



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Async PCI Express Card, Serial 16-Port, RS-232


Add up to 16 serial devices and ports via your PCI bus.


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Class 1 Div. 2 Switches. Network safely in Class 1, Div. 2 environments: Hardened Ethernet Switches, Industrial USB Hubs. Learn More.

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