... main timing mode, support PCM30/31 framing mode.5. Operator can set time spacing of E1, operation mode of Ethernet port ... network management and dial-bit switch.6. With perfect E1, Ethernet warning and state LED Technical ParameterSystem Parameter Technical ... Index PortElectric:RJ45 E1 :BNCStandard and ProtocolIEEE 802.3/ 802.3u EthernetIEEE ...