Ethernet Switches

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Comnet's ethernet switch line offers a robust selection of Industrial Hardened, Commercial, PoE options designed to deliver reliable, high-performance connectivity.

WHERE TO BUY

Managed Industrial Hardened

Enterprise-grade Ethernet switches for networking

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Unmanaged Industrial Hardened

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PoE Switches

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Commercial Grade Switches

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Layer 3 Switches

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Terminal Servers

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FAQs

What is an industrial Ethernet switch?

An industrial Ethernet switch is built to operate reliably in harsh environments — extreme temperatures, vibration, dust, and moisture — where a standard commercial switch would fail. They're commonly used in transportation, manufacturing, and utility networks.

What is the difference between a managed and unmanaged Ethernet switch?

Managed switches provide greater control over your network, including configuration, monitoring, VLANs, traffic management, redundancy, and security features. Unmanaged switches are designed for simpler plug-and-play installations where advanced configuration is not required.

How do I choose the right Ethernet switch for my application?

Start with these questions:

How many ports do you need, and what speeds?
Will it be installed in a hardened or industrial environment?
Do you need PoE to power connected devices?
Do you need managed features like VLANs or redundancy?

See our product compatibility guide for a full comparison.

What is a hardened Ethernet switch?

A hardened switch is rated for extended temperature ranges, shock, and vibration, and is typically housed in a rugged metal enclosure without fans — making it suitable for outdoor cabinets, rail cars, and industrial control rooms.

Do Comnet switches support PoE (Power over Ethernet)?

Yes. Several product lines offer PoE and PoE+ ports capable of powering cameras, access points, and other networked devices directly over the Ethernet cable, removing the need for local power at each device.

What's the difference between a Layer 2 and Layer 3 switch?

A Layer 2 switch forwards traffic based on MAC addresses within a local network, which is sufficient for most single-network deployments. A Layer 3 switch adds routing capability, letting it direct traffic between different subnets or VLANs — useful for larger, segmented networks that need that extra layer of traffic control.

What operating temperature range do Comnet's hardened switches support?

Our industrial hardened switches are rated for extended temperature ranges to handle outdoor cabinets, rail cars, and unconditioned equipment rooms. Exact ranges vary by model, so check the specific product's datasheet for its rated operating temperature.

Can Comnet switches be managed remotely using SNMP?

Yes, our managed switches support SNMP for remote monitoring and configuration, letting you integrate them with your existing network management software to track status, performance, and alerts across your deployment.

Do Comnet switches support network redundancy, like ring topologies?

Many of our managed switches support redundant ring topologies and fast failover protocols, so if one link in the ring goes down, traffic automatically reroutes with minimal disruption — important for networks that can't tolerate downtime.