Detailed Product Description pdh optical terminalModel name: BD-OP-E1Product function: E1 fiber modem is to modulate framing (N*64Kbps) to single or multi-mode fiber. E1 time-slot, wavelength of ordinary fiber, and type of interface is configurable. Suit for transmit additional management data channel in different fibers.The fiber for transmit data can be used to monitor and control local and ...