Arris TM602G

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ixNay
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join:2002-04-12
USA
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·Comcast

Recently, I was at a friends house and they received a call from their ISP (Avenuebroadband) inquiring if they was having any issues with their connection i.e. connection drops/slow speeds etc. They (Avenue) stated that they had noticed some issues on their end and thought that their may be some issues with the modem (Arris TM602G). Although, they had not noticed any issues at home on the other end.

I logged into their modem to look at the information and noticed a few timeouts and that the upstream power level appeared to be high. I took some screenshots so you guys with a little more knowledge in this area could look and maybe offer some advice on what steps to take to fix the issue or what to advise if an inexperienced tech shows up on site....

*Note* The modem is connected with a Linksys WRT54GS Vers. 7 Router and they are using VOIP.

Thanx for looking...
--
If guns cause crime, then pencils cause misspelled words.

permalink · 2009-03-15 17:45:08 · Print ·

NoVA_CoxUser
Stand back from the cage -- The RF bites
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Alexandria, VA

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4 edits

Re: Arris TM602G

Your hunch is right.

Your friend's modem is on the ragged edge of being able to connect at all!

He's at (or near) the limit on both downstream power (@ -15 db), and SNR (@ 32 db); and exceeding the DOCSIS limit on upstream (@ 57 db)

Analogy: The modem can barely hear the headend (downstream signal); and the modem itself is SHOUTING to be heard (upstream).

He can start by removing any/all unused coax splitters prior to the modem (if he has any).

permalink · 2009-03-16 07:29:47 ·

dslwanter
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Lowellville, OH

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3 edits

What Nova said is correct, you're barely connected, however, it doesn't look like your friend is having too many problems....yet. The log entries are normal. The downstream power is marginal, -15dB being bare minimum. SNR looks OK, anything above 30dB is generally OK. Upstream power however is extremely high, anything above 55dB should raise a flag. As far as the timeouts, that looks like a handshake issue on Avenue's end.

Look for any unsued splitters like Nova said and I would make sure the tech see's everything you posted when he comes out.
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permalink · 2009-03-16 07:32:31 · Print ·

ixNay Premium join:2002-04-12 USA clubs: ·Comcast 1 edit	Thank you for the information. I guess Avenue showed up at their place this morning and looked at things instead of Tuesday. I will try to get back over and login to the modem to see if things look any better and get more details. Once again thanks for looking and for the suggestions. -- If guns cause crime, then pencils cause misspelled words.
	permalink · 2009-03-16 13:08:33 ·

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