Question about Toshiba DOCSIS Cable PCX2500 (PCX2500-DAZ8821F-B) Modem

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Toshiba PCX2500 Cable Modem Problem

4-5 times a day the cable light flashes at a fast pace and my internet doesn't work for about 10-15 seconds.Whats going on?

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Your cable signal is probably to weak at the modem. This is the most common cause, especially if it works and then doesn't, works for a while then doesn't.

Call your cable company and have them come out to check signal strength at the modem.

You could have a damaged drop to the house, water damage on the line, squirrel chew (seriously), dry rotted drop, too many splitters in the house, etc...

Posted on Sep 04, 2008

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Unable to connect to the internet. one of the light is blinking on the modem, i think it's the 3rd one from the top.

Is it the Data Light? If it's the Data Light it's actually normal for it to blink since it's getting the user data to the modem. However, you might want to recheck the connections, if the cables are connected correctly to the correct port. If all else fails, you might want to contact your Internet Service Provider where you got this modem from since the modem might be faulty.

You can check the manual for this modem here:

Hope this helps.

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Yes this is usually a signal related problem from the provider. Often times this is premises related. Items that you can check.
1. Is the coax line tight in the back of the modem and at the wall.
2. Are there any splitters where the cable comes out of the wall before it attaches to your modem. If so remove them and attach the cable directly to the wall from the back of the modem and power cycle the modem.
3. Do you have a coax cable line that goes directly from the outlet the modem is attached to the point that the cable service enters the household. Each time that you split your coax line it takes away part of the signal and the more times you split the more likely you are to not get a connection to the internet.

If all of these items are in place and you still are having problems call your service provider and schedule a service call. Good luck.

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Sounds like it is the modem. The TV does not use the modem. The line comes into the house and goes to a seperate TV box.

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Internet will stop working when laptop goes on standby I would be calling these folk in a heartbeat this should not happen and the fact is this is a malfuction with the modem myself. I have 2 of these modems without this issue.

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How to log in to tashiba modem pcx2500

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Hit enter and the router home page shoudl come up..

Feb 20, 2009 | Toshiba DOCSIS Cable PCX2500...

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Power adapter

you have to go your nearest company dealer of that company for purchasing a new modem

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