http://www.plsbuy.com/Protocol_Converter_GT-T201.html Protocol Converter GT-2010, Retail and Wholesale Protocol Converter Product Description GT-2010 is a Bridge for Ethernet extension. Its small size and low cost made it ideal for sensitive bridging applications, or as a LAN extendor or segmentor over E1 bit stream. Main features =A1=F1 Converts 10Base-T Ethernet interface into E1 interface =A1=F1 Transmission bandwidth is 2.048Mbps =A1=F1 30,000 frames per second (wire speed) filtering and forwarding rate =A1=F1 256-frame buffer =A1=F1 Automatic learning and aging =A1=F1 10,000 MAC address table =A1=F1 Sup****ts E1 balanced and unbalanced interfaces =A1=F1 Provides two clocking modes for maximum flexibility =A1=F1 Power supply=A3=BAAC220V/DC-48V (optional) Technical Specification E1 Interface =A1=A1=A1=A1=A1=A1E1 interface: ITU-T G.703 compliant =A1=A1=A1=A1=A1=A1Line code: HDB3 =A1=A1=A1=A1=A1=A1Bit rate: 2.048Mb/s=A1=C050ppm =A1=A1=A1=A1=A1=A1Nominal impedance: unbalanced 75=A6=B8/BNC; balanced 120= =A6=B8/RJ45 Ethernet Interface =A1=A1=A1=A1=A1=A1Interface type: 10 Base-T =A1=A1=A1=A1=A1=A1Interface standard: IEEE802.3 compliant =A1=A1=A1=A1=A1=A1Transmission bandwidth: 2084kbit/s =A1=A1=A1=A1=A1=A1Data rate: 10 Mbps Environment =A1=A1=A1=A1=A1=A1Power Input: AC/DC optional =A1=A1=A1=A1=A1=A1Power consumption: =A1=DC5W =A1=A1=A1=A1=A1=A1Operating temperature: =A3=AD5=A1=E6=A1=AB +50=A1=E6 =A1=A1=A1=A1=A1=A1Storage temperature: =A3=AD40=A1=E6=A1=AB +70=A1=E6 =A1=A1=A1=A1=A1=A1Humidity: 10%=A1=AB90% non-condensing =A1=A1=A1=A1=A1=A1No corrosive and solvent Gas, no fluty dust and intense ma= gnetic- field interference Physical =A1=A1=A1=A1=A1=A1Standalone=A3=A819=A1=E5/2=A3=A9: =A1=A1=A1=A1=A1=A1Dimension: 200mm(width)=A1=C143.5mm(height)=A1=C1150mm(dep= th) =A1=A1=A1=A1=A1=A1Weight: 0.8 kg =A1=A1=A1=A1=A1=A1Rack type: EIA 19" =A1=A1=A1=A1=A1=A1Rack Mount=A3=A819=A1=E5=A3=A9: =A1=A1=A1=A1=A1=A1Dimension: 483mm(width)=A1=C1226mm(height)=A1=C1225mm(dept= h) =A1=A1=A1=A1=A1=A1Weight: 8 kg (full deploy) =A1=A1=A1=A1=A1=A1Rack Type: EIA 19"