[VoiceOps] Timing slips on subrate DS1s on CT3

Alex Balashov abalashov at evaristesys.com
Sat Mar 8 00:42:54 EST 2014


The T3's timing is logically independent of the subrate channels. The T3 
is configured to take clock from the line. But the timing on the subrate 
DS1s should be identical, since they're all on the same DS3, right?

On 03/08/2014 12:37 AM, Frank Bulk wrote:

> No, I was just wondering if there is generally one that carries the timing
> on a T3.
>
> Frank
>
> -----Original Message-----
> From: Alex Balashov [mailto:abalashov at evaristesys.com]
> Sent: Friday, March 07, 2014 11:33 PM
> To: Frank Bulk; voiceops at voiceops.org
> Subject: Re: [VoiceOps] Timing slips on subrate DS1s on CT3
>
> No particular reason for choosing that one. Should I have chosen another?
>
> On 03/08/2014 12:28 AM, Frank Bulk wrote:
>
>> Thanks for sharing.  Why did you choose that T1?
>>
>> Frank
>>
>> -----Original Message-----
>> From: VoiceOps [mailto:voiceops-bounces at voiceops.org] On Behalf Of Alex
>> Balashov
>> Sent: Friday, March 07, 2014 1:33 PM
>> To: voiceops at voiceops.org
>> Subject: Re: [VoiceOps] Timing slips on subrate DS1s on CT3
>>
>> Someone e-mailed me privately off-list with a link to:
>>
>>
>>
> http://www.cisco.com/c/en/us/support/docs/routers/2600-series-multiservice-p
>> latforms/48567-clocking.html
>>
>> Which clued me into the fact that I can take global TDM clocking off a
>> particular T1:
>>
>>       tdm clock priority 1 6/0:1
>>
>> So far, that seems to have fixed the slips!  I'll see if it holds.
>> Thanks a lot for the pointer!
>>
>
>


-- 
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/


More information about the VoiceOps mailing list