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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