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Category: Community
Forum: Chat Room
Thread: PC problem or DSL modem problem? |
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Thread Status: Active Total posts in this thread: 6
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I have DSL internet. It should be always about 1300 kb/second.
Sometimes it slows down to 250 or so. But if I then start a dial-up connection, the DSL connection suddenly goes back up to full speed! Would anyone have any clues about this? Why would starting a dial-up connection make the DSL modem work fast again? |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
can only speak for the technology applied by the telco @ my place. A-DSL and Analogue telephone run over the same single line. Had to put a ADSL filter in to segregate the signal and stop hiss on the phone. It's always 512kb up and 20mb down and that over copper wires put in this house at construction 25 year ago.
----------------------------------------Side effect of the filter is, that now i can call and noone can see my phone number, sadly though i cant see anymore who calls me...just get ######.
WCG
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
If you're on cable DSL (as in cable TV) then you can expect your speed to drop during peak usage hours because you share the line with other customers in your neighborhood.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
thanks but dsl is on separate line and this is not cable.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
How old is the building? If it's more than 25 years old then suspect the wire running from the phone jack to the Telco demarcation box. Back then they didn't normally wire buildings with phone wire capable of high speed comms. My first 14.4kbps modem gave me tons of trouble until one day I ripped out all the phone wire and put in new wire. No more problems after that. It was an old house.
If the building is new then it may have good quality cable but maybe somebody drove a nail through it or maybe a drywall screw. Bad or damaged cable can play very strange tricks. It will work fine for a while then act up then work good again later. It'll drive ya nuts trying to figure it out. If nothing else fixes your problem then take some new cable and just lay it across the floor from your modem to the Telco demarcation, just to test if it's the cable. Hook it up and run it for a while. If the problem goes away then you know you have to rewire. |
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David Autumns
Ace Cruncher UK Joined: Nov 16, 2004 Post Count: 11062 Status: Offline Project Badges: 
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Hi Halfcard
----------------------------------------Your ADSL service may promise you download rates of 1 meg 2meg etc but you are not the only person connected to local exchange where the so called DSLAM's are kept which connect all of the broadband customers to the Internet. Most ADSL Services come with a so called contention ratio If you buy a 2Meg ADSL service with say 50:1 contention then back at the telephone exchange 50 2Meg customers are sharing just 2Meg into the internet. Most of the time the other 49 users of your shared broadband are not downloading MP3 or their Email and so for most of the time you can download at almost 2Meg speeds. If someone else in the vicinity is doing the same then you would both share that bandwidth and your broadband slows down (But still a whole load better than good old dial up) If you need a better service here in the UK you can buy 20:1 5:1 or even 1:1 uncontended service but you have to pay extra because they can't share the hardware amongst as many people back at the exchange Hope this helps Dave  |
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