Signal flow on an RDU9 board

After optical signals enter the IN port of the RDU9 board, they are split based on power by an optical splitter. Then, one multiplexed signal is output by the EXPO port of the board and the other one is output by the TOA port.
The TOA port can be connected to an OA unit. If cascading is not required, the optical signal can be directly input to the ROA port of the RDU board.
After the optical signal enters the ROA port, it is evenly split by an optical splitter. The split signals are then output by ports DM1 to DM8 of the RDU board.

Scroll to top