ISDN evolution: From copper to fiber in easy stages
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[1] P. F. Adams,et al. Long reach duplex transmission systems for ISDN access , 1984 .
[2] W. K. Ritchie. The british Telecom switched-star cable TV network , 1984 .
暂无分享，去创建一个
[1] P. F. Adams,et al. Long reach duplex transmission systems for ISDN access , 1984 .
[2] W. K. Ritchie. The british Telecom switched-star cable TV network , 1984 .