Is the V2 just the second generation SPA, or does the V2 fit in one environment, while the non-V2 works in another? Can I use the same SFPs in both versions?
I believe it's an omission within that portion of the document.
If you read the beginning of the V2 document, it says:
Cisco I-Flex enhances speed-to-service revenue and provides a rich set of quality of service (QoS) features for premium service delivery while effectively reducing the overall cost of ownership.