[c-nsp] Single-strand SFPs

[lists at hojmark.org]

>> Since 'service unsupported-transceiver' any vendor lock
>> worries are gone.

> Any idea what versions/platforms this is valid on?  It's not 
> valid on a 3550 I'm looking at running 12.1.13EA1C. 

I looks like it needs to be fairly recent:

+ 12.2(25)SE1 for CGESM
+ 12.2(25)SEB for 3560
- 12.2(20)SE4 for 3750
- 12.2(18)SXD2 for 6500 
+ 12.2(18)SXE2 for 6500

-A