1 Answer
I think 100BaseTX means "100BaseT extended".
IEEE 802.3 standard defines nomenclature, XBaseY, where:
– X = LAN Speed in Mb/s
– Base = Signaling method (baseband vs. broadband)
– Y= LAN segment length in 100M multiples (bus topology) or T for twisted pair wire, F for fiber (star topology)
I don't have any sources but I do know there is a sort of tradition in the IT industry of using the letter X to stand for "Extended". I mean this in the sense of stretching an already existing technology.
The first IBM PC in the 1980s was followed up by the PC-XT which stood for "extended technology". This was not a complete new generation of hardware. That came with the PC-AT ("advanced Technology") hardware standard which was the basis for what we still use today. Later on came the ATX ("AT eXtended").
Similarly with Ethernet. 100BaseT came first, using 2 twisted wires, then came 100BaseTX which used 2 higher quality twisted wires. Now you have 100BaseT4, with 4 wires and 100BaseFX with optical cable.
http://www.isrl.uiuc.edu/~mwolske/lis451...LANOverview.pdf
IEEE 802.3 standard defines nomenclature, XBaseY, where:
– X = LAN Speed in Mb/s
– Base = Signaling method (baseband vs. broadband)
– Y= LAN segment length in 100M multiples (bus topology) or T for twisted pair wire, F for fiber (star topology)
I don't have any sources but I do know there is a sort of tradition in the IT industry of using the letter X to stand for "Extended". I mean this in the sense of stretching an already existing technology.
The first IBM PC in the 1980s was followed up by the PC-XT which stood for "extended technology". This was not a complete new generation of hardware. That came with the PC-AT ("advanced Technology") hardware standard which was the basis for what we still use today. Later on came the ATX ("AT eXtended").
Similarly with Ethernet. 100BaseT came first, using 2 twisted wires, then came 100BaseTX which used 2 higher quality twisted wires. Now you have 100BaseT4, with 4 wires and 100BaseFX with optical cable.
http://www.isrl.uiuc.edu/~mwolske/lis451...LANOverview.pdf
11 years ago. Rating: 2 | |
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