The Original RocketPort Manufacturer

Comtrol invented the first PC multi-port serial expansion card in 1982 (Hostess) and the first 8-port processor in 1994. Thousands of customers world-wide choose RocketPort who need a vendor thats committed to meeting their evolving needs.
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New Serial Expansion Products Released!
Comtrol is pleased to offer the new
RocketPort INFINITY PCI/PCI-X and
RocketPort EXPRESS PCIe (express) multiport serial boards as low-cost replacement products for Universal PCI products. The new cards have increased functionality and support PCI, uPCI, PCI-X and PCIe BUS structures.
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Why Choose Comtrols Multi-Port Serial Cards?
RocketPort serial cards are the best buy for customers that buy PCI and PCI express serial expansion cards.
- Highest Port Density > Connect even more serial devices with 4, 8, 16 or 32 port cards
- More Options > Customize your network with countless configuration, cable, interface and boardmount choices
- Optimum Flexibility > Serve more devices by selecting your software: RS-232, RS-422 and RS-485 enabled.
- No OS Requirements > Supporting Device Drivers enable more OS options*
- Effortless Integration > Space-constrained system? Even the highest port density cards are available in low profile
- Best Value > Minimize your investment. Comtrol cards cost on average 7-10% less than comparable competitor cards
*Windows operating systems that support PCI Express, FreeBSD, SCO OpenServer and Linux. INFINTY products are express designed for Microsoft Windows XP and Vista
Expertise and Support
Comtrol offers free tech support (including installation support), and its experienced support staff average nearly 25 years of industry experience each.