输出多路器位于通信卫星的发送天线输入端用于将多路转发器输出信号集中传送给天线馈源
The output multiplexer is located at the transmitting antenna input of the communication satellite and is used to centrally transmit the transponder output signal to the antenna feeder
以上为机器翻译结果，长、整句建议使用 人工翻译 。