求翻译：实现电话(包括三类传真机、可视电话等)通信功能；星型拓扑结构；使用三类(或以上)非屏蔽双绞线，传输信号的频率在音频范围内。是什么意思？

For telephony (including three types of fax machines, video phone, etc.) communication; star topology; use three (or more) unshielded twisted pair, the transmission signal in the audio frequency range.

Category 3 achieve telephone (including fax machines, video telephone communication function, etc. ); star topology; use Category 3 (or more) Non-shielded twisted pair, transmissions from the audio frequency range.

Realizes the telephone (including three kind of facsimile machines, videophone and so on) corresponds the function; Star topology; Uses three kinds (or above) the non-shielded twisted pair, transmits the signal frequency in the audio frequency scope.

Realization of telephone (including three classes, such as fax machines, video phone) communication functions; a star topology; the use of three types of (or more) of unshielded twisted-pair cable, transmits signals in the range of frequencies in the audio.

Realization of telephone (including three classes, such as fax machines, video phone) communication functions; a star topology; the use of three types of (or more) of unshielded twisted-pair cable, transmits signals in the range of frequencies in the audio.