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安装局域网时有效地诊断和确定配线问题,这对家庭和小企业而言的确是望而生畏而且可能成本高昂。常出现的问题主要来自两个方面：一是网络形成“环路”——在有些情况下错误地连接了一根线缆就可以使整个网络瘫痪；二是线缆故障——关键是难于发现电缆故障的准确位置。针对上面提到
Diagnosing and identifying wiring issues efficiently when installing LANs is daunting and potentially costly for home and small business. Problems that often arise mainly from two aspects: First, the network form a “loop” - in some cases the wrong connection of a cable can paralyze the entire network; the second is the cable fault - the key is difficult to find The exact location of the cable fault. For the above mentioned