RE: [ts-7000] 3G internet stability problem

[Razvan-Ionut Stoian <>]

A different cause might be bad cable or connector. It sometimes happened when, by mistake, I bumped my stone-age Motorola V150.

--- On Mon, 2/28/11, Russell N. Nelson - rnnelson <> wrote:

From: Russell N. Nelson - rnnelson <>
Subject: RE: [ts-7000] 3G internet stability problem
To: "" <>
Date: Monday, February 28, 2011, 11:57 AM

 

It's possible that the telco disconnects after a period of time, or a period of inactivity. I've found that I have to run a program which checks for connectivity (ping), and then re-connects. My program also switches between interfaces, looking for one which is up.
________________________________________
From: [] on behalf of Simon Leung []
Sent: Monday, February 28, 2011 4:18 AM
To:
Subject: [ts-7000] 3G internet stability problem

Hi all,

I'm using a ts7800 + USB 3G broadband stick for a remote monitoring
system. The USB modem I'm using is Huawei E122. wvdial works fine for
providing connectivity. But after a while (varies from 1 to 5 hours),
the link will be down, wvdial will exit and kernel will think that the
device is disconnected:

option1 ttyUSB0: GSM modem (1-port) converter now disconnected from
ttyUSB0
done!

Anybody has suggestions as how to improve this situation? I don't expect
mobile broadband link to stay up as long as a wired connection but it
would be nice if it lasted a bit longer!

Thanks and regards,

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