Exceptionally favorable media converters with 1000Base-T port. The device has a rugged metal housing. About four LEDs all operating states are displayed. It can be powered by the included AC adapter or plugged into a 19 "rack. Thanks to the standard ports for SFP modules fit in well as those from other manufacturers. With the SFP modules from TP-Link TL-S321A and TL-S321B can be about only one max. 10 km long optical fiber to connect two Gigabit networks with each other and for a price of under along 100th