10/100/1000m self--negotiation media converter general description: this optical fiber converter is a kind of quick ethernet media converter with the function of photo electricity switchover between 10base-tx or 100base-tx and 100base-fx. it can extend the conventional 10m ethernet or 100m quick ethernet to 120km via the quick ethernet fiber-optical line. the stable and reliable switch power supply module enables long-term operation and makes it convenient to replace the power supply. full-duplex and half-duplex optional. the configuration of dte and mpr functions makes it convenient to connect the similar products. features: 1,inner power or external power optional 2,media converter module could be used with rack mount 3,power supply ac 220v or dc 48v 4,dual fiber module or single fiber module optional 5,auto identify mdi/mdix 6,full/half duplex and transmit velocity can be adjusted 7,extend fiber-optic distance up to 120km with single-mode fiber technical data: 1,standard，ieee 802.3 10baset, ieee 802.3u 100base-fx 2, work mode, full duplex, half duplex, and full/half duplex auto-negotiation 3, transmit distance, 2-5kmfor mm, 20-80km for sm 4, wavelength, 850nm and 1300nmfor mm, 1310nm and 1550nm for sm 5, receive sensitivity, less than 30dbm 6, power supply, ac:165-260v 50hz, dc:-75~-36v 7, operating temperature, 0 degree to +50 degree 8, storage temperature, -20 degree to +70 degree 9, humidity, 5% to 90%