Serial Converters / Isolators / Repeaters / Hubs

serial converters, isolators, surge protectors, repeaters, and hubs

Choosing quality converter products is crucial for a reliable data network, especially when you are interfacing the converters with your mission-critical and expensive devices such as computers, PLC, RTU, SCADA, and HMI. Whether your environment is in the field, factory, or fire command center, "clean" or "noisy"*, CommFront's industrial-grade serial converters, isolators, protectors, repeaters, and hubs provide safe, reliable, simple, and cost-effective solutions for your data-conversion, distance-extension and device-protection applications.

For the past decade, CommFront has built a reputation as a major supplier of rugged and reliable, yet simple, data communication products and solutions. Our serial converters, opto-isolators, protectors, repeaters, and hubs were strictly certified by SGS / TUV (the Nationally Recognized Testing Laboratories [NRTLs] in North America (approved by OSHA) and the Notified Bodies in the European Union. CommFront's product quality is ensured by our ISO 9001:2015 quality control system and we back our high-quality serial converter products with a 30-day risk-free money-back guarantee and a 5-year replacement warranty. Learn more »

*A "noisy" environment is an area surrounded by ground loops, spikes, transient surges, and remote lightning, which could potentially harm your expensive equipment such as computers and data communication devices.


RS232 / RS485 / RS422 / Ethernet Surge Protectors

Our passive, rugged, industrial-grade RS232 / RS485 / RS422 / Ethernet surge protectors are designed for direct industrial DIN-rail mounting and they come with two (2) or three (3) stages of surge protection
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RS232 / RS485 / RS422 / TTL Serial Converters

Rated to perform at temperatures between -40°F and 185°F (-40°C and 85°C), our rugged industrial-grade RS232 / RS485 / RS422 / TTL serial converters are almost indestructible.
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RS232 / RS485 / RS422 Isolators/ Isolated Converters

From 3-wire to 7-wire RS232 isolators, 2-wire RS485 to 4-wire RS422 / RS485 isolators, and USB isolators to USB / RS232 / RS485 / RS422 optically-isolated converters,
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RS232 / RS485 / RS422 / TTL Serial Repeaters & Hubs

CommFront offers a range of rugged, industrial-grade RS232 / RS485 / RS422 / TTL repeaters and hubs to meet serial communications' data distance needs by converting unbalanced signals to balanced ones,
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