From: Frank Jimenez (franjime@cisco.com)
Date: Wed Jul 23 2003 - 00:46:39 GMT-3
This varies from location to location - even sometimes within the same carrier.
My guess is that it depends on the equipment at the CO.
The best thing is to verify with each circuit as part of the initial order, and
then re-verify on turn-up. Some of the most frustrating problems I've ever had
involved troubleshooting multiple clock sources on the same circuit. I still
get mad at the memories... Grrrr...
Frank Jimenez, CCIE #5738
franjime@cisco.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Phil
Sent: Tuesday, July 22, 2003 7:43 PM
To: ccielab@groupstudy.com
Cc: ciscostudent1@yahoo.com.br
Subject: OT: Point-to-point T1 clock source
Sorry for the OT but I had a discussion this afternoon at work regarding the
clock source for a point-to-point T1.
I am sure the clock must be provided by one of the CSU/DSU and the other must be
set to line/network. Everybody else argued both sides must be set to
line/network.
I called into the Telco and they told me they do not supply clock for
point-to-point T1s, thus one of the ends must supply the clock.
I was not able to find any docs on the web regarding this. Does anyone have a
link to a document for this matter?
Thanks in advance and sorry for the OT,
Phil
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