23-09-2015, 19:57
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#285
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cf.mega poster
Join Date: Nov 2008
Location: At My Desk
Services: Virgin Media V6 XL TV - 1Gb Broadband
Posts: 3,009
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re: Virgin Media 70, 100 & 200 Mb Upgrades
Quote:
Originally Posted by Ignitionnet
It basically takes part of the line card customers connect to and puts it out in the field. The fibre link between node and hubsite goes from analogue to all digital.
The remote PHY receives 1s and 0s from the hub site, across the fibre link, which it turns into RF for the cable modems and sends down the coax, and it converts RF arriving on the coax from the modems into 1s and 0s to go into the upstream laser.
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Simple as that then
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