同义词
1)RLC Remote Line Concentrator,远程线路集中器2)RAC Remote Access Concentrator,远程访问集中器，远程访问集线器3)BRLC Broadband Remote Line Collector,宽带远程线路收集器4)broadband remote line concertrator,宽带远端线路集中器5)RC Remote Concentrator,远程集中器6)RMC Remote Message Concentrator,远程报文集中器
