I have attbi now, used to be excite@home. Before the switch, my download speed is around 400-600KB, but since attbi took over, my download is now around 180KB an it's totally sucks. ? This drop in download happened when attbi took over and when another person near by apartment also got attbi. I just wonder if those of you have attbi, what is your average steady download rate?
And so I complained and they sent a tech over and he said every was ok, the only left questionable is that he said my signal strength is too high, around 10. something that I don't know what the unit of measurement is. But he said the signal strength is too high, this could cause problem? Anyone know anthing about this and what can be done?
Cable Signal strenght question
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therealcableguy
- Advanced Member
- Posts: 572
- Joined: Tue Oct 10, 2000 12:00 am
- Location: Kansas City
cat5,
He was probably refering to the signal level at the modem.10db should be fine.Your speeds have dropped because AT&T has changed your service to 1.5MB downstream.
He was probably refering to the signal level at the modem.10db should be fine.Your speeds have dropped because AT&T has changed your service to 1.5MB downstream.
The brave man is not he who feels no fear, For that were stupid and irrational; But he, whose noble soul its fears subdues, And bravely dares the danger nature shrinks from.
-Joanna Baille
-Joanna Baille
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MtCableman
- Regular Member
- Posts: 328
- Joined: Tue Apr 11, 2000 12:00 am
1. NICOriginally posted by Homicyde
well in that case, what kind of factors have a big effect on Speeds and pings?
2. Quality of the Ethernet cable.
3. O/S setup, TCP RCV setting....ect....
4. Anything that can generate or introduce noise, the above items and the cable connections. Bad fittings, corrosion, bent or broken cable. Noise introduced by the actives on the cable facility like amplifiers if they are not set correctly.
5. NET CONGESTION, overused connections on the internet. These can be seen with a traceroute. This includes servers that are overrloaded or connected with a slow connection.
Remember that slow speeds can be attributed to "resending" data. If the first data is corrupt the computer will ask to resend the data which would appear to be slow speeds. If you have cable TV that is digital, it could show up in the pictures as "tiling" since digital cable doesn't have the luxury of resending the data. A cable tech can identify this probelm with a carrier-to-noise test or using a QAM meter. The MER, modulation error rate, should be higher than 24-26dB or higher than the manufacturer specs on the modem.
Closed course and Professional user.
Don't try this at Home!
Don't try this at Home!
