The DEM-311GT is a high performance 850nm multimode SFPmini-GBIC transceiver Supporting full duplex Gigabit speeds on multimode fibre for distances of up to 220m550m on 625?m50?m fibre respectively The unit features a metal housing to reduce EMI and to increase durability The DEM-311GT is hot pluggable and is backed by a standard 3-year product warranty and free technical supportFeatures Gigabit Speeds on Multimode FibreHot pluggableMulti VendorDevice SupportCase Colour Black Metalic GreyCertifications Class 1 Laser EN 60825-1 ? FDA 21 104010 and 104011Current 300 mAData Rate 1250 GbpsData Rate Fibre Channel 1062 GbpsDepth 1194 cmOperating Humidity 10 to 85 Operating Temperature 0 to 70 COptical CablePort Type 1 x LCOptical Receiver Sensitivity -18 dBmProduct Series GBICs and SFPsProduct Type Managed SwitchStandards Compliance IEEE 8023zSupported Cable Distance (Maximum) 10 kmTransmission Ranges 625125?m - Up to 220m ? 500125?m - Up to 550m ? 9125?m NAVoltage 31 to 35 V DCWidth 303 cm