Help regarding my Upload speed

[buddbuttocks]

I've often noticed that upstream will reach a little higher when downstream is capped slightly. I guess it's just the way the equipment works.

When I was on BB Unlimited I had my line completely uncapped and was getting about 13 meg down and 900k up, SNR mostly stayed at 6db down and 8db up. When the downstream was capped to 11 or 12 meg the upstream went up to about 1 meg. I didn't think it was worth the tradeoff.

[Scubbie]

I've often noticed that upstream will reach a little higher when downstream is capped slightly. I guess it's just the way the equipment works.

When I was on BB Unlimited I had my line completely uncapped and was getting about 13 meg down and 900k up, SNR mostly stayed at 6db down and 8db up. When the downstream was capped to 11 or 12 meg the upstream went up to about 1 meg. I didn't think it was worth the tradeoff.

This is how ADSL works.

With a previous ISP I had both Annex A (which is what Sky use) and Annex M.

With Annex A I had:

17.1 d/l
1.3 u/l

With Annex M I had:

15.4 d/l
2.3 u/l

There were no other line changes involved, although a device in the exchange needed to be swapped for a different one when I was placed on Annex M.

Upstream & Downstream both share the same copper wires and need to share the frequency range.

Think of it like a 100 lane road. Lanes 1-90 are used for downstream, whilst 91-100 are for upstream. With Annex M, 1-80 are downstream, 81-100 for upstream.

[Shonk]

Capping the downstream doesnt affect my line

I can sync at 4meg down and i still only get 1142 up at 9.5db target

though i would ofc get more on annex m
due to it using more of the spectrum