yes. as stated in other posts you need a crossover with 1 - 4 and 2 - 5
crossed. Also with the internal csu/dsu you don't need to specify a DCE as
it is built into the WIC. Here is an excert from the archives
that discusses the topic.
"Subject: Re: DTE and DCE with 2620's
From: "Joe Martin" <jmartin@xxxxxxx>
Date: Tue, 21 Dec 1999 19:19:30 -0800
Newsgroups: groupstudy.cisco
Organization: Cisco Certification Mailing List (www.groupstudy.com)
References: <50EB480BCD87D311B60900508B0CB14A2876FC@TRBMSX001>
----------------------------------------------------------------------------
----
Since you are using an integrated CSU in the router, the concept of DTE/DCE
doesn't apply since the DTE(the router) and the DCE(the CSU) are in the
unit. By default the integrated CSU is using line side clocking and are
both clocking from eachother. The number of timeslots that you configure
with the service module command will determine the clock rates. If you
don't specify this then they will use 24 timeslots at 64k each or a full T1.
Over a long period of time, you will see some clocking errors by looking at
the service module since you are both clocking off eachother. You should
set one router to use internal timing with the service module command to
prevent this from occuring. Of course this would only be true in a lab.
You generally have the telco provide clock on your T1s unless they are not
passing through a DACs. Hope this clears it up.
JOE
CCNP, CCDP, and a few other things..."
interesting stuff eh!
> ---
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