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Comtrol Corporation is an expert device connectivity manufacturer and the product leader in device communication for industrial, hospitality, security, energy and traffic markets. Comtrol products are ideal for connectivity applications such as; manufacturing automation, traffic intersection monitoring, surveillance and perimeter security, sensor monitoring and renewable energy systems. Comtrolís product lines include RocketLinx industrial grade Ethernet and Power over Ethernet switches, DeviceMaster device servers and gateways and RocketPort cards and serial hubs. Our products are designed to work with the widest range of hardware and software environments to provide seamless system integration.

Express Systems & Peripherals is a distributor of Comtrol products. We carry the full Comtrol RocketPort product line. If the product you are looking for is out of stock, please call us at (800) 222-0172 and we will special order it for you.

Comtrol Industrial MultiPort Serial Boards
RocketPort Express (PCIe), Infinity (UPCI and PCI-X), Classic (UPCI), Plus (UPCI), 550 (UPCI), and BroadPort 550 (UPCI) SMPTE Serial Boards.
Comtrol Industrial Ethernet Switches
RocketLinx DIN Rail Unmanaged Switches, DIN Rail Managed Switches, PoE Switches, Rackmount Managed Switches, DIN Rail Power Supplies, SFP Fiber Modules, and more.
Comtrol Industrial Wireless 802.11 Ethernet to Serial
DeviceMaster Freewire RS232.
Comtrol Industrial Ethernet to Serial Device Servers
DeviceMaster Ethernet to Serial Device Servers, 1-32 Port models available.
Comtrol Industrial Ethernet Media Converters
RocketLinx ethernet to fiber 1 port media converters with 10/100BTX and 100BFX.
Comtrol Industrial Serial to Fiber Converters
RocketLinx serial to fiber 1 port media converter with RS232/422/485 serial to multi/single-mode fiber options.
Comtrol Industrial USB to Serial Converters
4 or 8 Port USB Serial Hubs.
Comtrol Industrial Fieldbus/Modbus Gateways
DeviceMaster UP Gateways with 1, 2, or 4 port models available.
Comtrol RocketModem Multi-Modem Cards
4 or 8 port RocketModem IV UPCI boards with V.92 56k modems.
Comtrol Accessories
Power Cables, Power Supplies, Cable & Interface Assemblies, Mounting Hardware, and SFP Modules.
Company Info

Address
Comtrol Corporation
100 Fifth Avenue NW
New Brighton, Minnesota 55112

Contact
Phone: (800) 926-6876 (800 GO ROCKET)
Local: (763) 957-6000
Fax: (763) 957-6001
Business Hours: 8:00am to 6:00pm (CST) 9:00am to 7:00pm (EST)

Links
Comtrol's Support Page
Device Driver & Documentation Downloads
RMA Form (pdf)
ComtrolStore
RoHS / REACH / Conflict Mineral Compliance