Black Box Fast Ethernet Media Converter - 2 x RJ-45 , 1 x ST Duplex - 10/100Base-TX, 100Base-X - External, Rack-mountable - TAA Compliance
The Fast Ethernet Media Converter functions as both a media converter and a switch. Suitable for office environments. Provides one 100-Mbps fiber port and two 10-/100-Mbps Unshielded Twisted Pair switch ports.