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<p class=MsoNormal><span style='color:#1F497D'>The UC520 SBCS does not have any
fans so it is relatively silent.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><b><span style='color:#1F497D'>Jack Martin, CCVP<o:p></o:p></span></b></p>
<p class=MsoNormal><span style='color:#1F497D'>Network Engineer<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Tushaus Computer Services<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>10400 Innovation Drive, Ste 100<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Milwaukee, WI 53226<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>414.908.2222 Helpdesk<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>414.908.2267 Work<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>414.908.4467 Fax<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>414.477.6990 Cell<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Jason Aarons (US)<br>
<b>Sent:</b> Tuesday, January 20, 2009 10:29 PM<br>
<b>To:</b> Mark Holloway; cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Quietest router for CME<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Turn your AC way down, and
the fan on a 1841 will run at low speed. I recall the temperature sensor
in environmental monitor adjusts fan speed just like my laptop does. Stick it
in a closed cabinet and it should run at high.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>I want to say the old 1751V fan
rarely ran and you could disconnect it’s plug from chassis, but you
don’t want such an old router for CME.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>You could also cut the fan wires
and let it run hot.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><a
href="https://www.cisco.com/en/US/docs/routers/access/2800/hardware/notes/fan2800.html">https://www.cisco.com/en/US/docs/routers/access/2800/hardware/notes/fan2800.html</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><a
href="http://www.ciscosystems.com/en/US/docs/routers/access/1800/1841/hardware/installation/guide/18over.html#wp36556">http://www.ciscosystems.com/en/US/docs/routers/access/1800/1841/hardware/installation/guide/18over.html#wp36556</a><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#336666'>Chassis
Ventilation <o:p></o:p></span></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a
name=wp36557></a><span style='font-size:9.5pt;font-family:"Arial","sans-serif";
color:black'>An internal three-speed fan provides chassis cooling. An onboard
temperature sensor controls the fan speed. The fan is always on when power is
applied to the router. Under most conditions, the fan operates at the slowest
speed to conserve power and reduce fan noise. It operates at the higher speeds
when necessary under conditions of higher ambient temperature. <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Mark Holloway<br>
<b>Sent:</b> Tuesday, January 20, 2009 11:09 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] Quietest router for CME<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>What is the quietest router possible that supports
CME? I want to run CME at my house but prefer to keep the fan noise
to a minimum. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal>Mark<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
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