Product catalog

Models like the STE400A (4-port RS232/422/485) and STE800A-232 (8-port RS232) support TCP/IP, virtual COM, and direct IP modes, with 10/100Mbps Ethernet and DB9 ports. Featuring IP30 enclosures, -40°C to 75°C operation, and low power consumption (5W), they integrate with PLCs and PTZ cameras. Running Windows/Linux-compatible firmware, they ensure secure serial-to-IP connectivity. These servers enable seamless integration of legacy equipment into modern networks. CTC Union Serial Device Servers can be filtered & sorted by ports (4 to 8), interface (RS232/422/485), connectivity (10/100Mbps, TCP/IP), protection (IP30), operating temperature (-40°C to 75°C), and modes (virtual COM, direct IP). CTC Union Technologies, a international leader in industrial networking and telecommunications since 1993, provides rugged, reliable, and innovative solutions for industrial automation, smart transportation, rail systems, and security applications. Renowned for its high-quality Ethernet switches, media converters, serial servers, and protocol gateways, CTC Union ensures seamless connectivity in extreme conditions, with IP30/67-rated enclosures, wide temperature ranges (-40°C to 75°C), and certifications like CE, FCC, UL, IEC 62443-4-1, EN50155, and IEC61850-3. Supporting advanced protocols like MQTT, Modbus, and IEEE 1588, CTC Union’s Linux-based firmware and cybersecurity features provide secure, future-ready deployments. From factories to public infrastructure, CTC Union’s comprehensive portfolio, backed by in-house R&D and exceptional technical support from Taipei, empowers businesses to build resilient, high-performance networks that minimize downtime and drive operational efficiency. Browse the full CTC UNION products range in stock to buy and easily filter & sort by key specifications.