PCM综合复用设备,电话光端机(8路电话上光,16电话上光,30路电话上光),视频光端机(1V1D,2V1D,4V1D,8V1D,16V1D) 视频+以太网+开关量+电话多业务光端机,光纤收发器(多模,单模)XDSL(EDSL,HDSL,SDSL,SHDSL,G.SHDSL),E1网桥,2E14E1网桥,8E1网桥,16E1网桥,E1转V.35