ONET-10G-EVM: ONET-10G-EVM

Part Number:ONET-10G-EVM

Hi,

I see from the previous thread that the ROSA used in the ONET-10G-EVM is SRO2-10F-LC-T-I. And the TOSA is TX293k. Could somebody explain that why the ROSA is at 850nm while the TOSA at 1310nm?

Thanks

Zhao