Maintain reliable connectivity in harsh locations with the Extreme Networks ISW 4port PoE+ Switch, MPN 16801. Built for industrial edge deployments, it supports 4 PoE+ ports on 10/100 Ethernet plus 2 additional 10/100 ports and 2 SFP slots for flexible uplink design. That mix lets you power endpoints and extend the network without adding separate injectors or extra switching layers. The wide operating temperature range of -40 °F to 176 °F makes it suitable for spaces where standard office hardware cannot survive, including utility cabinets, plant floors, and outdoor enclosures. For teams designing around uptime, the value is not just port count — it is the ability to place switching closer to the devices that matter, reduce points of failure, and keep power and data on the same cable path where appropriate. This switch fits deployments that need practical industrial networking without overbuying features you will not use. It is a focused choice for edge segments that need PoE delivery, uplink flexibility, and environmental tolerance in one unit.