Dieing Cable Modem?

Dieing Cable Modem?
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Subject Author Date
Dieing Cable Modem? Mikal448 09-25-2005
Posted by Mikal448 on September 25, 2005, 7:36 pm
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For the past couple of months I've had some serious trouble with my

cable modem. The modem is a Toshiba PCX1100U model and is about 4-5

years old. What's been happening is seemingly random connection

drops. It sometimes happens every 15 minutes, sometimes the

connection will remain stable for hours. I've had my ISP, Cox Cable,

come out twice now, they have been unable to verify what the problem

is.



I personally believe the cable modem has just about had it. I have

heard this possibility from a Cox Tech support representative as

well. Does this sound like a viable reason for these random

connection drops?




Posted by Quaoar on September 25, 2005, 4:02 pm



> For the past couple of months I've had some serious trouble with my
> cable modem. The modem is a Toshiba PCX1100U model and is about 4-5
> years old. What's been happening is seemingly random connection
> drops. It sometimes happens every 15 minutes, sometimes the
> connection will remain stable for hours. I've had my ISP, Cox Cable,
> come out twice now, they have been unable to verify what the problem
> is.
>
> I personally believe the cable modem has just about had it. I have
> heard this possibility from a Cox Tech support representative as
> well. Does this sound like a viable reason for these random
> connection drops?
>

What does the modem diagnostic page http://192.168.100.1 show for signal
levels? How do you know it is the modem disconnecting? What do the
operating LEDs do when you have a drop?

Q




Posted by Marc on September 26, 2005, 2:38 pm



> For the past couple of months I've had some serious trouble with my
> cable modem. The modem is a Toshiba PCX1100U model and is about 4-5
> years old. What's been happening is seemingly random connection
> drops. It sometimes happens every 15 minutes, sometimes the
> connection will remain stable for hours. I've had my ISP, Cox Cable,
> come out twice now, they have been unable to verify what the problem
> is.
>
> I personally believe the cable modem has just about had it. I have
> heard this possibility from a Cox Tech support representative as
> well. Does this sound like a viable reason for these random
> connection drops?

I can't tell from the header what region you're in, but you should be
aware that Cox Cable is upgrading their system and that upgrade can
cause the symptoms you have reported.

Use the Cox news server and check the newsgroup for your area:
http://support.cox.com/sdccommon/asp/contentredirect.asp

The upgrade takes the Preferred service from 4000/512 to 5000/2000 and
the Premier service from 5000/768 to 15000/2000. If this is the case,
the solution is to replace your modem with a DOCSIS 2.0 modem such as
the Motorola SB5100.
http://www.newegg.com/Product/Product.asp?Item=N82E16825122104




Posted by Mikal448 on September 27, 2005, 6:35 am


> Quaoarwrote:


message


> For the past couple of months I've had some serious trouble with my

> cable modem. The modem is a Toshiba PCX1100U model and is about 4-5

> years old. What's been happening is seemingly random connection

> drops. It sometimes happens every 15 minutes, sometimes the

> connection will remain stable for hours. I've had my ISP, Cox

Cable,

> come out twice now, they have been unable to verify what the

problem

> is.

>

> I personally believe the cable modem has just about had it. I have

> heard this possibility from a Cox Tech support representative as

> well. Does this sound like a viable reason for these random

> connection drops?

>

>

What does the modem diagnostic page http://192.168.100.1 show for

signal

levels? How do you know it is the modem disconnecting? What do the

operating LEDs do when you have a drop?



Q[/quote:374ad57e10]



That diagnostic link doesn't work for me, it says operation timed out.

I'm using a linksys router. The cable LED on the cable modem goes out,

and will most of the time stay out for about 15-20 minutes.

It seems that the cable modem can't hold a signal.




Posted by NickySantoro on September 27, 2005, 7:58 am


On Sun, 25 Sep 2005 19:36:02 GMT,
Hybrid449@hotmail-dot-com.no-spam.invalid (Mikal448) wrote:

>For the past couple of months I've had some serious trouble with my
>cable modem. The modem is a Toshiba PCX1100U model and is about 4-5
>years old. What's been happening is seemingly random connection
>drops. It sometimes happens every 15 minutes, sometimes the
>connection will remain stable for hours. I've had my ISP, Cox Cable,
>come out twice now, they have been unable to verify what the problem
>is.
>
> I personally believe the cable modem has just about had it. I have
>heard this possibility from a Cox Tech support representative as
>well. Does this sound like a viable reason for these random
>connection drops?

I had the same problem. It was intermittent and random. By trial and
error finally tracked it down to the coax running from the modem to
the splitter on the incoming line. Changed the coax and the problem
vanished.
FWIW
YMMV
DFB


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