1000Base-T (IEEE 802.3ab)
1000Base-T is a specification for Gigabit Ethernet over copper wire (IEEE Std. 802.3ab). This standard defines 1 Gb/s data transfer over distances of up to 100 meters using four pairs of CAT-5 balanced copper cabling and a 5-level coding scheme.
Because many companies already use CAT-5 cabling, 1000base-T can be easily implemented. Other 1000Base-T benefits include compatibility with existing network protocols (i.e. IP, IPX, AppleTalk), existing applications, Network Operating Systems, network management platforms and applications.
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