| 摘要 |
A transmission apparatus includes a package that has a plurality of slots into each of which a board can be freely detachably inserted; at least one control board; a PWE interface communication unit that is connected to the control board, converts an input SDH or PDH signal to a packet signal, and outputs the converted signal to the control board; a radio transmission communication unit that is connected to the control board, converts the packet signal to a radio signal, and outputs the converted signal; and an optical transmission communication unit that is connected to the control board, converts the packet signal to an optical transmission signal, and outputs the converted signal. The units are separately inserted in the slots. |
