Refurb Squared
IES5120-28TF, 24-Port Gigabit Ethernet L2+ Managed Industrial Switch, 16 x 10/100/1000BASE-T, with 8 x 1Gb RJ45/SFP Combo and 4 x 1Gb SFP, -40 to 75°C Operating Temperature
IES5120-28TF, 24-Port Gigabit Ethernet L2+ Managed Industrial Switch, 16 x 10/100/1000BASE-T, with 8 x 1Gb RJ45/SFP Combo and 4 x 1Gb SFP, -40 to 75°C Operating Temperature
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
The IES5120-28TS features 16x 10/100/1000BASE-T copper ports, 4 x 1Gb SFP and 8 x 1Gb RJ45/SFP Combo Ports in a 1U case, which is designed especially for a broad spectrum of industrial and extended enterprise connectivity needs. Equipped with an IP40 rated metal enclosure, it can operate within a wide temperature range of -40 to 75°C (-40 to 167°F). This switch is ideal for harsh environments, and can be widely used in energy, transportation, industrial production, environmental protection, and industrial industry. This layer 2 industrial managed switch supports enhanced L2+ functions such as 802.1Q VLAN and port-based VLAN, QoS, IGMP snooping, LACP link aggregation, etc. can meet the requirements of many scenarios in industrial environments.
Enterprise Grade Performance
Enterprise Grade Performance
Our networking cables and optical transceivers are designed for high-performance enterprise networks. They support fast data transmission, stable connectivity, and consistent signal strength across switches, servers, and routers.
Wide Device Compatibility
Wide Device Compatibility
These modules are engineered to work with many leading networking brands such as Cisco, Juniper, Arista, and other enterprise systems. They integrate easily into existing network infrastructure.
Simple Plug And Play Setup
Simple Plug And Play Setup
Installation is quick and easy. Simply insert the cable or transceiver into the compatible port and it begins operating immediately without complicated configuration.
Reliable Connection Stability
Tested And Verified Products
Affordable Enterprise Pricing

Competitive Pricing
Refurb Squared networking hardware delivers high-speed connectivity using tested optical modules and enterprise-grade cables built for reliability and seamless device compatibility.
Built For Reliable Networking
At Refurb Squared we provide high-quality networking hardware trusted by engineers and IT professionals. Our mission is to deliver reliable technology at affordable prices.





