... 3.fiber media converter 4,media converter Fast Ethernet Media Converter1. Description:IEEE802.3z/ab 1000Mbps Gigabit Ethernet supports two Types media for ... single-modeModel DescriptionThe 1000Mbps fiber Transceivers:TypeDescriptionXTR1000B-S8510M/100M/1000M TX, 850nm, 550m, AC Supply Power, ... , single fiber and Bi directionXTR1000B-LD-210M/100M/1000M, 1310nm, 20km, AC Supply Power, single fiber ...