<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML dir=ltr><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD>
<BODY>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>That sounds like a power problem with the switches that
power the phones.</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>We had a similar problem on a 6509 chassis, with about
70 phones attached to two 48port powered blades.</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>Here's what happened:</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>The rated 'wattage' output available on the Cisco 6509
is only available when running 220v</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>They are 3000watt power supplies, according to
Cisco- that is true--</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>But they <U>do not provide</U> that full 3000 watts if
you're running at 110v.</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>We only had something like 1100 watts of power
available from the power supply---</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>the phones needed 1250 - That lack of wattage was
enough to destabilize the phones.</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>After running into that, I did some
research-</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>Apparently, in the IT industry, it is VERY common to
state wattages (Dell servers, IBM servers, HP switches, Nortel
switches)</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>all state a rated wattage output --- but they only
deliver that wattage at 220volts --- NOT 110v.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=038573913-03022006>James,
what you're experiencing sounds very much like a 'low power' issue--
</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>whatever switches you are using to run the phones may
be overloaded for some reason.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>Cisco's 1U Catalyst switches do fine - the 3560
switches are able to power a phone connected on every port using
110v.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>Another possibility is that the power coming into the
switch power supply is low-- if that's the case, the switch isn't going to be
able to provide enough power to run the phones.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=038573913-03022006>Same
would be true even if you had bricks connected to strips in that one wiring
closet-- if the voltage is low coming to that wiring closet, the bricks would
all be fighting to get enough current for the phones...</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=038573913-03022006>Tim</SPAN></FONT></DIV>
<DIV dir=ltr align=left><BR></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] <B>On Behalf Of </B>Brian
Henry<BR><B>Sent:</B> Thursday, February 02, 2006 8:36 PM<BR><B>To:</B> Israel
Lang; James Grace<BR><B>Cc:</B> cisco-voip@puck.nether.net<BR><B>Subject:</B>
RE: [cisco-voip] 7961 are all dyIng<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV id=idOWAReplyText55170 dir=ltr>
<DIV dir=ltr><FONT face=Arial color=#000000 size=2>What version of CCM are you
running?</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>What phone load are you using?</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>What does your basic network look like that
this is happening in? L2 STP Rapid STTP or L3 to the edge?</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Every system has some bug or the other but
I have worked with CCM since 2.0 and I can tell you that 4.1(x) is way better
for which I have not had many problems at all with.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2>Just remember there are a lot of moving
parts in CCM that all have to place nicely together and some of the under lying
services are all not written by the same team, that I am aware of.</FONT></DIV>
<DIV dir=ltr><FONT face=Arial size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Arial size=2>Brian</FONT></DIV></DIV>
<DIV dir=ltr><BR>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net on
behalf of Israel Lang<BR><B>Sent:</B> Thu 2/2/2006 7:51 PM<BR><B>To:</B> James
Grace<BR><B>Cc:</B> cisco-voip@puck.nether.net<BR><B>Subject:</B> Re:
[cisco-voip] 7961 are all dyIng<BR></FONT><BR></DIV>
<DIV>So when did digitel start selling Cisco CM systems?<BR><BR>Anything good to
say about Cisco CM systems?<BR><BR>
<DIV><SPAN class=gmail_quote>On 3 Feb 2006 00:17:00 GMT, <B
class=gmail_sendername>James Grace</B> <<A
href="mailto:jgrace@digitelusa.net"> jgrace@digitelusa.net</A>> wrote:</SPAN>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">We
deployed all 7961 and 7941 and ever week They die they go down and do not
power Back up <BR>And now some of These phones lights Just
flashes<BR>_______________________________________________<BR>cisco-voip
mailing list<BR><A
href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</A><BR><A
href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</A><BR></BLOCKQUOTE></DIV><BR><BR
clear=all><BR>-- <BR>Have a great
day!!!!!!!!!!<BR>zephy316_gmail.com<BR><BR>Replace the _ with an @ symbol
</DIV></BODY></HTML>