[c-nsp] sup2T software & release notes have hit
Phil Mayers
p.mayers at imperial.ac.uk
Wed Jul 13 11:57:10 EDT 2011
On 07/13/2011 04:34 PM, Mark Tinka wrote:
> On Wednesday, July 13, 2011 10:59:03 PM Phil Mayers wrote:
>
>> Specifically LX4 transceivers?
>
> No, SR.
>
> Sorry, thought the issue was multi-mode support itself, not
> the need for an LX4 transceiver.
AIUI, Cisco has (or believes it has) a lot of customers with crappy old
multimode that they can't replace, and is over-length for traditional
10gig transceivers. Hence the LX4, which gives you (marginally) better
range than other 10gig multimode transceivers, but needs room for the
built-in CWDM - therefore we end up with enterprise kit using the bigger
Xenpak/X2 form-factor.
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