You also can see if the signal from the CSU/DSU is detected by the
serial. see example below.
This output is taken from Cisco router 2600 series.
router#sh controller s0/0
Interface Serial0/0
Hardware is PowerQUICC MPC860
DTE V.35 TX and RX clocks detected
>From: "Lowell Sharrah"
>Reply-To: "Lowell Sharrah" >To: [EMAIL PROTECTED] >Subject: Re: 'show
controllers' command [7:8528] >Date: Thu, 14 Jun 2001 11:48:10 -0400 >
>it's good stuff when troubleshooting atm. gives you clokc source and
what >type of errors you are receiving > > >>> "Watson, Rick, CTR, OUSDC"
06/14/01 11:09AM >>> >...reading the Cisco Press Support Book. They
talked about the 'show >controllers' command. My question is when and why
would you use this >command? I read that the output can be overwhelming,
and that some of the >information is irrelevant! Go figure!. But again,
when would you need the >information form this command? Thanks for the
insight. > >Rick Watson >Network Engineer >Advanced Systems Development,
Inc. >OUSD(Comptroller) >703.697.5710 office >[EMAIL PROTECTED] >
misconduct and Nondisclosure violations to [EMAIL PROTECTED]
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