价格:未填
供应:99999
发货:3天内
4E1to10BaseTProtocolConverter PRODUCTCHARACTER: (1)Basedonself copyrightIC.(2)Ethernettransmittransparentthrough1-4E1channels.(3)Ethernetinterface10M/100M,full/halfduplexself-adapt,supportVLAN.(4)supportAUTO-MDIX,straightandcrossoverauto-adapt.(5)CRCalarmlimitationcanautoinsulatebad-qualitytransmitchannelbyconfiguration,andissingledirectioninsulation.whenonedirectionerrorrateoverlimitation,cutonlythisdirection,theotherdirectionnotaffected.(thetwodirectionsneednotsymmetry.)(6)4E1canhave10mstransmissindelay,autostoptransmissionwhenthedelayabovethelimitation.(7)Provide2loopfunctions:localE1loop,remoteE1loop. (8)MACaddresscapability:4096(9)E1interfaceaccordingwithITU-TG.703,G.704,andG.823,notsupporttheuseofsignalingtimeslot.(10)E1interfacehavebuilt-inclockresumecircuitandHDB3codeccircuit.(11)SupportE1channelhotplug,andautodetectavailableE1channels. (12)Supportflexiblesettingof1to4E1channels,autodetectthenumberofE1channelsandtime-delay,selectavailableE1channelswhenreset.(13)Supportresetremotesystemfromlocalsystem.(14)HaveEthernetmonitorself-resetfunction,devicewillnotdead.(15)NetworkmanagerinterfaceuseSNMP (16)Twotypes:Standalone,desktop,19inch;Card,usuallybeinsertedinourrack19inch. TECHNICALSPECIFICATION: E1interface interfacestandardaccordingwithG.703InterfaceRate2.048Mbit/s 50ppmCoding:HDB3JittertoleranceaccordingwithG.742andG.823.transmissioncapability4*E1clockinter-clock,line-clockconnectorBNC(75 ),RJ45(120 )E1Impedance75 (unbalance),120 (balance).10/100Base-TinterfaceInterfaceRate10/100Mbps duplexhalfandfullduplexself-adapt.InterfacecharactermatchIEEE802.3,IEEE802.1Q(VLAN).workingEnvironmentpowersupplyAC220V;AC110V;DC 48V;DC+24VProductNameProductDescriptionPDFSPT-4E1-4ETH4E1/4*ETHProtocolConverter120Ohmor75Ohm220Vor48V SPT-4E1-ETH4E1/10BaseTProtocolConverterminirack120ohm220V