The M3-SE-SW24 is an ethernet switch based on the Cisco ESS 2020 and Cisco IOS. The module provides 24 Fast Ethernet ports downstream, with two GE uplink ports. Four of the FE ports support PoE+, and an additional 12 ports support PoE. The module is a highly rugged, small form factor component designed to provide connectivity in the most challenging environments. A Power Passthrough connector facilitates module stacking.