10/100/1000 Mbps 4 port Ethernet Unmanaged Switch; 2 Channels: Electrical to 2 Channels: SFP Optical CNGE4US Series The ComNet™ CNGE4US Ethernet 4 port unmanaged switches are designed to transmit and receive 10/100/1000 Mbps data using small form factor pluggable modules. Both are environmentally hardened to operate in demanding environments. LED indicators are provided for confirming equipment operating status. Plug-and-play design ensures ease of installation requiring no optical adjustments. These units are interchangeable between stand-alone or card mount configurations.