overview:
         Transmit N*64k E1 signal ,realize long distance data and voice signals transmission via fiber, In addition to providing the ITU-T/G.703 recommended requirements of 2Mbit / s channel, the device also offers users a one-way asynchronous data channel and channel. Single E1 PDH can be used as a local network of relay transmission equipment, especially for the end of the fiber as the base stations of mobile communication network transmission equipment and rental of equipment. The device is small in size, light weight, compact appearance, convenient installation and maintenance; transmission quality, reliable operation.