[c-nsp] PA-POS-1OC3 vs. PA-A3-OC3SMI

[Colin Whittaker]

On Thu, Sep 18, 2008 at 01:07:20PM -0600, David Aldworth wrote:
> Hmm. Okay, so the PA-MC-T3 breaks the DS3 down to individual DS1's  
> (T1's). Is there nothing equivalent at the OC3 level?

The PA-MC-STM-1 does it for stm-1 and E1 circuits. not sure if there is
an OC3 version

> 
> David
> 
> On Sep 18, 2008, at 12:58 PM, Justin M. Streiner wrote:
> 
> >On Thu, 18 Sep 2008, David Aldworth wrote:
> >
> >>We are looking for a fully channelized OC3 interface for a Cisco  
> >>7200 VXR. Something that we can break individual T1's off of. In  
> >>researching this there are two routes: PA-POS-1OC3 or PA-A3-OC3SMI.  
> >>The first is SONET and the second is ATM.
> >>
> >>Other than price what is the difference? Which is needed?
> >
> >I don't believe either interface supports anything other than  
> >concatenated operation, i.e. a full 155 Mb/s interface; you can't  
> >break the OC3 into its component STS slots to break out DS3, CT3,  
> >T1, etc...
> >
> >Also, the interface you'd buy would be determined by the transport  
> >type. A POS OC3 interface might be able to physicall terminate a ATM  
> >OC3, but it won't be able do any of the ATM stuff.
> >
> >jms
> 
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-- 
Colin Whittaker					+353 (0)86 8211 965
http://colin.netech.ie			            colin at netech.ie