[c-nsp] 40G QSFP to 4*10G SFP+ Breakout Optical Cable

[Azher Mughal]

I don't have Cisco switches with QSFP ports, but have used both SR and
LR versions of these breakout cables from Elpeus.com without problems in
Dell / Force10.

Cheers
-Azher

On 6/18/2014 5:41 AM, Andrew Miehs wrote:
> Was looking at this a while ago - but haven't had a chance to try any of it
> - no one has bought me any 40G kit yet...
>
> From Cisco - for Multimode - Cisco QSFP-40G-SR4 - This terminates on a
> MPO-12 plug which you can connect to 4x 10G SR
>
> Unfortunately Cisco doesn't make a single mode version - but I found -
> these from Arista - don't know if they work though - QSFP-40G-PLR4
> and QSFP-40G-PLRL4
>
> Good luck, and if you do get to try it out - please keep us informed.
>
> Regards
>
> Andrew
>
>
> On Wed, Jun 18, 2014 at 9:37 PM, Gilles Fabre <fabre.gilles at voila.fr> wrote:
>
>> Hi all
>>
>>  I have been searching for 40G to 4*10G cables (not DAC/Twinax but optical
>> ones).
>>  Did you ever use such cables ? is it reliable ?
>>  I did not find any monomode ones, I guess this is not existing... any
>> idea why (strength of signal ?) ?
>>
>> Thanks & best regards
>> Gilles
>>
>>
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