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Most OT networks still depend on serial devices, fieldbus protocols, and legacy infrastructure that was never designed for Ethernet. Replacing it isn't practical. Connecting it securely is.

Moxa’s edge connectivity range handles the translation layer. Serial-to-Ethernet device servers, protocol gateways, unmanaged switches, remote I/O, media converters, and the accessories that hold it all together in industrial environments.
Whether you’re connecting a 20-year-old RTU to a modern SCADA system or adding Ethernet switching to a DIN-rail cabinet with no room to spare, this is the product set that bridges the gap.

Moxa NPort & MGate G2 Series

The new Moxa NPort and MGate G2 Series represent the latest evolution in industrial connectivity — purpose-built to bridge legacy serial and Modbus networks with modern Ethernet and TCP/IP systems.

Moxa NPort G2 Series

Protect mission-critical serial-to-Ethernet communication with secure terminal servers, delivering encrypted data transmission with TLS and SSH, safe in private and public networks.

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Moxa MGate G2 Series

Defend industrial automation assets with cyber-hardened device servers, with full surge protection and optical fiber options for higher EMI protection. It supports industrial certifications for harsh environments

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EDS-200/2000-EL Unmanaged Switches

Expand your edge network with ultra-compact, credit-card-sized unmanaged switches, delivering robust industrial reliability and instant QoS optimization for space-constrained cabinets.

EDS-200/2000-EL

Moxa's EDS-200/2000-EL series are credit-card-sized unmanaged switches built for space-constrained cabinets and DIN-rail environments. With auto QoS prioritisation out of the box, they handle mixed traffic — PLC comms alongside monitoring data — without configuration overhead. Available in Fast Ethernet, Gigabit, and PoE variants, with industrial-grade operating temps and redundant power input as standard.

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Entry-level Unmanaged SwitchesGigabit Unmanaged SwitchesPoE Unmanaged Switches

Serial Connectivity & Protocol Conversion.

Most OT networks still run a mix of serial devices and fieldbus protocols alongside Ethernet. These Moxa product families handle the translation, converting legacy comms to IP without replacing the equipment that's already working.

NPort 5000 Serial Device Servers

Broswe NPort 5000

MGate 3000/5000 Protocol Gateways

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Other Protocol Gateways

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Serial Converters

Convert between RS-232, RS-422, and RS-485 serial standards, or extend serial connections over fiber for longer cable runs and electrically noisy environments.

Serial-to-Serial Converters

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Serial-to-Fiber Converters

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Industrial-Grade Serial-to-Fiber Converters

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Ethernet-to-Fiber Media Converters

Extend Ethernet connections over fiber where copper won't reach or won't survive. Moxa's media converters handle the physical layer transition between Ethernet and fiber optic cabling. Useful anywhere you're dealing with long distances between cabinets, EMI-heavy environments, or outdoor runs between buildings.

Ethernet-to-Fiber Media Converters

Fast Ethernet and Gigabit models in single-mode and multi-mode fiber variants. DIN-rail and rack-mount options available, with redundant power inputs and extended operating temperature ratings for industrial deployment.

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ioLogik E1200/R1200

Monitor and control field I/O like digital inputs, analog sensors and relays over your network without running signal cables back to the control room. The ioLogik E1200 connects over Ethernet; the R1200 over serial. Both support daisy-chaining to reduce cabling and active push reporting so you're not polling devices for status changes.

Ethernet Remote I/O

Network-connected I/O for distributed monitoring and control. The ioLogik E1200 series supports Modbus/TCP and SNMP, with click-and-go configuration, no programming required. Suitable for environmental monitoring, facility management, and remote site...

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Serial Remote I/O

Remote I/O over RS-485 serial connections for sites where Ethernet infrastructure isn't available or practical. The ioLogik R1200 series supports Modbus/RTU with the same daisy-chain topology and active push capability...

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Surge Protectors, USB Hubs & USB Converters

The infrastructure accessories that protect your investment and fill connectivity gaps. Surge protectors shield serial and Ethernet ports from voltage spikes common in industrial and outdoor installations. USB hubs and converters add serial ports to systems that only have USB, without consumer-grade hardware that won't last in a cabinet.

Surge Protector

Protect serial and Ethernet connections from lightning strikes, ground loops, and electrical surges.

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USB Hub

Industrial-grade USB hubs for adding multiple serial or USB device connections in space-constrained environments.

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USB Converter

Add RS-232, RS-422, or RS-485 serial ports to any system with a USB connection.

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35+ years in industrial automation

Moxa has been building connectivity hardware for OT environments since before “IT/OT convergence” had a name. Their product range is purpose-built for the conditions where industrial networks actually operate — temperature extremes, electrical noise, space constraints, and uptime requirements that consumer and enterprise-grade hardware can’t meet.

118 million+ devices connected worldwide

Ranked #4 globally and #1 in Asia for industrial Ethernet switches (ARC 2024–2029 Industrial Ethernet Switch Report). IEC 62443-4-2 certified security across the new G2 product generation. Five-year warranty with long-term supply continuity, so the hardware you specify today will still be available when you need to expand or replace.

Same day dispatch on all stocked items.