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Category 4 cable : ウィキペディア英語版 | Category 4 cable Category 4 (Cat 4) is a cable that consists of four unshielded twisted-pair (UTP) copper wires with a data rate of 16 Mbit/s and performance of up to 20 MHz. It is used in telephone networks which can transmit voice and data up to 16 Mbit/s.〔(CCNA: Network Media Types )〕 For a brief period it was used for some token ring,〔("Local Area Network Concepts and Products: LAN Architecture" ), May 1996, IBM.com〕 10BASE-T, and 100BASE-T4 networks, but was quickly superseded by Category 5 cable. It is no longer common or used in new installations. Category 4 cable is not recognized by the current version of the TIA/EIA-568 data cabling standards. == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Category 4 cable」の詳細全文を読む
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