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Forums » Equipment Support » Broadband Modem (Hardware) » DSL - most flexable/configurable DSL modems?
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Doctor Olds
I Need A Remedy For What's Ailing Me.
Premium,VIP
join:2001-04-19
1970 442 W30
clubs:

reply to anomynous
Re: DSL - most flexable/configurable DSL modems?

Huh, don't know any DSL Modems that allow control on/control of profiles as they are set in the DSLAM that is located remotely in the CO or the Remote. Cable Modems and DSL Modems don't operate the same way and there is nothing in the DSL Modem that will change the speeds or profile settings unlike some Cable Modems which are hackable.
--
What’s the point of owning a supercar if you can’t scare yourself stupid from time to time?


anomynous

@rr.com

Thanks for the reply. As explanation as to what I mean:

When I initially power up the 6100 it trains at 2554/764 and reports "Line Mode" as "not defined". After a few days this changes to 2554/607 and "Line Mode" changes to "ADSL2+ DELT mode" (note decrease in uplink at same downlink). Power down/up and the modem goes back to the original settings.

N.B. Research on the net leads me to believe that the "not defined" above is a firmware issue in the 6100 web interface (would be nice to know what mode it actually starts in).

I want a modem that will allow me (as an example) to disable "ADSL2+ DELT mode" so I can keep the higher upload speed.

Also, in reading about utilities like the "DSL Modem Tool" I see comments about some modems allowing tweaking of snr margin etc.

Hence my topic question... thanks in advance


Doctor Olds
I Need A Remedy For What's Ailing Me.
Premium,VIP
join:2001-04-19
1970 442 W30
clubs:

What you are describing sounds like a reason to call your ISP and have them investigate why you are not connecting properly on initial sync up.

As to what Modems are supported by "the software" you are asking about, you would have to read the author's web site as many times it is very specific modems with very specific firmwares installed.

With that said, it sounds like you have a provisioning issue or line issue that needs the attention of your ISPs technical support.
--
What’s the point of owning a supercar if you can’t scare yourself stupid from time to time?


ANOMYNOUS

@rr.com

I have had several discussions with ISP, and it is apparent that I am not going to make any progress on that front. ("we only say 'up to' ...")

re: "the software" yes, I'm aware of the version / modem / firmware dependencies.

I could set out on a quest, identify commercially available dsl modems, download and read manuals for all of them to try to identify those that had config options in their interface and/or statistics via telnet or whatever, or just start buying modems left and right at testing them...

A very time consuming (and potentially expensive) processes.

OR, I can ask in a forum like this where hopefully knowledgable people with experience with various modems can comment

hence this topic.

Note I am not requesting assistance with a specific modem or ISP service. If this is not the right forum for the type of question I am asking, please redirect me.

Thanks again!


Doctor Olds
I Need A Remedy For What's Ailing Me.
Premium,VIP
join:2001-04-19
1970 442 W30
clubs:

said by ANOMYNOUS :

I have had several discussions with ISP, and it is apparent that I am not going to make any progress on that front. ("we only say 'up to' ...")
Your "up to" speeds from your ISP have nothing to do with the DSL standard that the Modem connects to the DSLAM with. There appears to be an issue as seen with the Modem's inability to determine initial sync standard type that you need to get to your upper support tier with.

Regards,

Doctor Olds
--
What’s the point of owning a supercar if you can’t scare yourself stupid from time to time?


anomynous

@rr.com

said by Doctor Olds See Profile :

Modem's inability to determine initial sync standard type that you need to get to your upper support tier with.
oh that ... I'd have to dig to re-locate the url where I found the info, but as I said earlier this appears to be simply a bug in the web interface code in the modem firmware. ie the case statement that says if mode is X then put string "Y" to the web page text.

The modem itself is ok, it's just the generated web page. I've looked around for other firmware versions -- but now we are getting into issues with a specific make / model of modem which isn't appropriate for this forum.

...

Have been trying various google searches; so far have found

»www.usr.com/support/8550/8550-ug/three.html
which allows one to explicitly choose between
Multi-mode (default)
G.DMT (G.992.1)
G.Lite (G.992.2)
ANSI T 1.413 Issue 2


McSummation
Mmmm, Zeebas Are Tastee.
Premium,MVM
join:2003-08-13
Round Rock, TX
·AT&T Southwest

reply to ANOMYNOUS
said by ANOMYNOUS :

OR, I can ask in a forum like this where hopefully knowledgable people with experience with various modems can comment
The person that's been replying to you knows more about DSL modems than any one human ought to know.


Doctor Olds
I Need A Remedy For What's Ailing Me.
Premium,VIP
join:2001-04-19
1970 442 W30
clubs:

reply to anomynous
said by anomynous :

...

Have been trying various google searches; so far have found

»www.usr.com/support/8550/8550-ug/three.html
which allows one to explicitly choose between
Multi-mode (default)
G.DMT (G.992.1)
G.Lite (G.992.2)
ANSI T 1.413 Issue 2
You can do that with any modem (as long as they support Multi-mode) using their Telnet interface.

My Speedstream does that.

--
What’s the point of owning a supercar if you can’t scare yourself stupid from time to time?


anomynous

@rr.com

said by Doctor Olds See Profile :

You can do that with any modem (as long as they support Multi-mode) using their Telnet interface.

My Speedstream does that.
Now we're getting somewhere!

As far as I can determine my Westell 6100 does not have a telnet interface nor does it permit these sorts of changes via the web interface.

What "speedstream" in particular do you have, and
do you consider it to be one of the more flexible /configurable modems, and
are there other modems that are considered particularly strong in this aspect?

Thanks!


Doctor Olds
I Need A Remedy For What's Ailing Me.
Premium,VIP
join:2001-04-19
1970 442 W30
clubs:

The Westell 6100 supports many DSL Standards, and it will usually connect with what the DSLAM is offering it first time. The DSLAM tries its preferred choice first (depending on the DSLAM and it's default settings) which could be G.DMT or ADSL2+ or any other like ANSI T1.413 Modulation.




I'm using a Speedstream 4200 Modem/Router with a Linksys 10/100 Multi-port Switch to support my 7 PC LAN (no other Router as the 4200 is a Router). It was supplied to a Windstream customer that I purchased off of eBay.com for under $15.00 shipped. It is a 4200 D246 Model which is the newer Windstream version instead of the older 4200 D242 version from Windstream.

This thread below shows the Model/Part Numbers Info on the Windstream 4200s.

»which of these modems is the newest?

I had to unlock the Telnet server as the Windstream 4200 has it blocked/locked. It is pretty easy to change/enable that. The unlock uses the same procedure that works on the 5200.

»A50 FW on 5200, no telnet or FTP !!!

HTH
--
What’s the point of owning a supercar if you can’t scare yourself stupid from time to time?
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