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I want to make my own broadband cable, instead of using the one supplied by my ISP. I want to use CAT5E cable terminated with RJ11. Should this be wired straight through or crossover?
eBay and buy a length of BT CW1308
CW 1308 as far as I can tell is for ADSL, but CAT5E is better for VDSL because of its higher bandwidth. I will be using VDSL FTTC.Sounds good. Except that ADSL is not designed to travel down cat cable.
As Bernard said, it is designed to travel down CW1308 cable with its slow twist. It will travel down the supplied flat hub cable better than cat cable.
If you want perfection in that last two meters go to eBay and buy a length of BT CW1308 and use that over the last 2m as it is the same type of cable used from BT cabinet to your house.
Sfk
but CAT5E is better for VDSL because of its higher bandwidth
VDSL can be faster than ADSL because the length of copper connection between network equipment and the modem/router is shorter.
Fibre To The Cabinet ( FTTC ) means that data is carried by fibre optic to a street cabinet near to the house. There the data is transposed onto the copper pair to the house allowing for higher speeds over the much shorter copper pair.
ADSL was specified as having to work over distances of up to 5 ( or was it 10 ) miles of twisted pair cable. The shorter copper routes with FTTC ( typical max 1 mile ) allows the specification for VDSL to work over a maximum distance of 1 mile.
Where data waveform passes from CW1308 to CAT cable it sees a slight change of impedance which causes some of the signal to be reflected back wards. This reflection both weakens and degrades the signal received by the modem/router
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