... interfaces, with order wire and console port, and 2 RS232 interfaces, and it is equpped with 48Vdc and 220Vac.The ... equipmentl 4E1 interfaces, 4 10/100M Ethernet interfaces, 2 RS232 interfaces and 1 Engineering order wirePowerful Network Management System l ... E1 interface : 4 E1s, 75Ω BNC connector. RS232 data interfaces: contains 2 channels asynchronous RS232 data interface, conforms to ITU-T V ...