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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Are you sure that is the case currently? I
think you can have multiple PRI’s inside the same router on an ISR but
they can not be on the same VWIC. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Jason said you can not have multiple PRI’s
within the same router.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Beck,
Christopher [mailto:CBeck@usg.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, June 28, 2010 4:40
PM<br>
<b><span style='font-weight:bold'>To:</span></b> Bill; 'Jason Aarons (US)';
'cisco-voip'<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] ISR G2
PVDM3 DSPs on backplane</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>This is true on the 2800/3800 today
(except in the case of the NM-NDV modules mentioned, but I don’t think so
even in that case). It is because there is a “single” PLL
clocking circuit shared for all PRI’s. The WIC must be configured
to participate in that clocking circuit prior to setting up the
PRI. I can’t remember any device that could handle this
in 20 years of installing channel banks, muxes, routers, etc.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>That said, a lot of times it will work
acceptably because the clocks are close enough, especially if the local loop
provider is the same on all links. But, you have to test it to know in
any case.<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>-Chris<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Bill<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, June 28, 2010 4:21
PM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Jason Aarons (US)';
'cisco-voip'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [cisco-voip] ISR G2
PVDM3 DSPs on backplane<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>What? I know you could not do different
Telco’s on the same two port card but you can’t do two
telco’s in the same router? Is there an official response to this? Is
there a specific defect I can reference with my Cisco AM? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Jason Aarons (US)<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, June 28, 2010 4:12
PM<br>
<b><span style='font-weight:bold'>To:</span></b> cisco-voip
(cisco-voip@puck.nether.net)<br>
<b><span style='font-weight:bold'>Subject:</span></b> [cisco-voip] ISR G2 PVDM3
DSPs on backplane</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>A
TAC engineer at Cisco Live confirmed you can’t have multiple voice PRIs
from separate telcos come into a G2 with different clocks. For example you have
a AT&T PRI, a Verizon PRI, a Century Link PRI, a Alltell PRI, a Paetec PRI
all in the same router. You can’t clock the backplane to more than
one source! You’ll get slips, etc audio will sound bad,
faxes/modems will fail. Fix is separate routers. He said he thought
a 2800 with DSPs on a NM-HDV module would work though. My exact question
was can you carve up the backplane PVDM3 clocking for separate PRIs somehow.<o:p></o:p></span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=1 width="100%" align=center>
</span></font></div>
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