<div class="gmail_quote">On Thu, May 24, 2012 at 12:48 PM, Carlos Chavez <span dir="ltr"><<a href="mailto:cursor@telecomabmex.com" target="_blank">cursor@telecomabmex.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I have a server that is showing three alarms:<br>
<br>
### Span 1: WCT1/0 "Wildcard TE121 Card 0" (MASTER) HDB3/ BLUE YELLOW<br>
REDClockSource<br>
<br>
Yellow and Red I have seen before but never a Blue and specially not<br>
all at the same time. I am assuming it is a telco problem (which<br>
obviously they are denying) but I want to check here if someone here has<br>
seen something like this before. The server was working fine until<br>
yesterday and no configuration changes have been made for a long time.<br>
<span class="HOEnZb"><font color="#888888"><br></font></span></blockquote><div><br></div><div>Blue alarm by definition means is a problem upstream.</div><div><br></div><div>[Asterisk] <-----------> [telco eq. #1] <---------> [telco eq. #2]</div>
<div><br></div><div><br></div><div>If you receive blue alarm (basically a pattern of 1's IIRC) means telco eq. #1 is telling you there is a problem upstream (telco eq. #2 in this case).</div><div><br></div><div>See blue alarm in <a href="http://en.wikipedia.org/wiki/Digital_Signal_1">http://en.wikipedia.org/wiki/Digital_Signal_1</a></div>
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