What is the difference between vdsl2 and adsl2

VDSL2 vectoring works in similar fashion to noise-cancelling headphones. Assia Inc. Having a cable bundle consisting of 2 or more VDSL2 profiles will exhibit intermittent sync, port status errors and poor performance. The 30a profile will run on 30 Mhz while the 17a profile will run on 17Mhz. Our recommendation is to force all subscriber interfaces to sync at 17a if you have modems that do not support 30a.

Fast is a standard still in development that has shown the ability to transmit gigabit speeds using legacy copper lines in laboratory settings. Openreach , the dominant telecom provider in the UK, is spearheading the new technology, deploying trial runs to determine if the new technology is commercially viable.

However, G. Fast, like VDSL, is only effective in deployments where customer premises reside near cabinets. Joined Sep 22, Messages 19, Same plug into the modem. Very few modems support VDSL. They usually install an ADSL profile, and then you have to get them to change it, it is like pulling teeth.

So the technician is probably right when he says it is ADSL. Johnatan56 Honorary Master. Joined Aug 23, Messages 29, Vdsl also has less overheads, you should be getting about mbps on a 20mbps profile, not to mention the higher upload. The only issue with vdsl atm is that you have to use a telkom pace router, unless you order a vdsl router from oversees.

The second band ranges between 20 to kHz, is used for upstream communication. The third band usually ranges between to 1 MHz, is used for downstream communication. The ADSL technology can cover a distance up to feet. It uses coaxial, fibre optic or twisted pair cable for short distances up to feet. Search for: Search. My Account Cart No products in the cart. January 08 Leave a Reply Cancel reply Your email address will not be published.