[ANSS-netops] cell modems and first of the month

[Support]

No,  The modems don't require a daily resetting of the devices.  An occasional power-cycling of the modem wouldn't hurt but should not be required.   If you are having occasional issues with the strength of the signal (RSSI - Receive Signal Strength Indicator being low (higher negative value)), then we would need to determine what the issue is one a case-by-case basis.  You also want to watch the EC/IO (a measure of energy (interference)) as well.  A directional antenna should provide a better signal.  Whether the device has to be reset depends on its recovery once the connection has been re-established.

One other thing to watch is the modem and device firmware.  Make sure it is kept current.  This also helps.

Thanks,

Roger K. Parker
Engineering Technician
rparker at feeneywireless.com<mailto:rparker at feeneywireless.com>
Feeney Wireless, LLC  - 4085 W. 11th Ave. Unit #3, Eugene, Oregon 97402
(Free) 800-683-4818    (P) 541-685-9045 x227    (F) 541-284-0030
www.feeneywireless.com<http://www.feeneywireless.com/>

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From: Mark E. Meremonte [mailto:meremonte at usgs.gov]
Sent: Friday, December 02, 2011 8:59 AM
To: Philip Crotwell; anss-netops at geohazards.usgs.gov
Subject: Re: [ANSS-netops] cell modems and first of the month

HI Phillip,

Is it a requirement to daily power cycle a Raven-X, XT, XE if using Verizon service?   I have numerous Cell modems across the country now and have never power cycled them.   However, I do have a couple that had weak to nill signal strength from time to time; and 2 which the RT130 would not renegotiate to the Internet.  Thus the RT130 had to be physically power cycled after I installed a directional antenna vs an Omni to obtain a more robust signal from one cell tower instead of 2 or more which the Omni appeared to be jumping around.

Mark


At 07:54 12/2/2011, Philip Crotwell wrote:

Hi all

We use raven-x cell modems on both verizon and at&t and have noticed
that often a large percentage of the stations will go offline shortly
after midnight on the first of the month. Not always, and not exactly
at midnight, but usually between midnight and 2am. Usually the
stations come back after our daily cell modem power cycle. It seems to
happen more often with Verizon, but has also happened with AT&T. Tech
support is as usual completely useless as they suggest "turn off the
power and turn it back on again" and seem very surprised when I tell
them I can't.

Has anyone else seen this odd behavior? Any words of advice?

thanks,
Philip
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Mark E. Meremonte         Geophysicist    Eq_Effects/NEIC

U.S. Geological Survey:  Geologic Hazards Science Center
 Denver Federal Center         Work: 303-273-8670   Cell: 303-478-5766
MS 966, Box 25046                 Email: meremonte at usgs.gov<mailto:meremonte at usgs.gov>
Denver, CO  80225                  Web: http://geohazards.usgs.gov
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Ship:  U.S. Geological Survey, 1711 Illinois St., Golden, CO 80401
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