... Bridge. It changes Ethernet frame into E1 to transmit. And then it changes E1 into Ethernet frame at the ... management platform, it can realize the network management of local and terminal equipment. Technical ParameterSystem Parameter Technical Index PortElectric:RJ45 E1 ... Power Supply( Standard)220V/AC,50Hz-48V/DC (optional)Safety and EMCFollows standard of FCC, UL, CE, TUV, CSAConsumptionCard type ...