They still leave the transceiver as a single 1310, the lanes color isn't ever 
expose since the mux takes place within the transceiver. When I looked into 
this for 40g and 100g I found no way to passively do it.






Luke Guillory
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-----Original Message-----
From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Lewis,Mitchell T.
Sent: Tuesday, June 19, 2018 11:42 AM
To: NANOG
Subject: Re: Tunable QSFP Optics

Let me clarify a bit-I understand that 40GBase-LR4 uses 4 10g 
wavelengths(lanes) which typically are:
1264.5- 1277.5 nm
1284.5–1297.5 nm
1304.5–1317.5 nm
1324.5–1337.5 nm
My question is are there any vendors that make optics which 4 
wavelengths(lanes) are something other than those typically used by 40GBase-LR4?


Regards,

Mitchell T. Lewis

[ mailto:mle...@techcompute.net | mle...@techcompute.net ]


[ http://linkedin.com/in/mlewiscc ] |203-816-0371

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From: "Lewis,Mitchell T." <ml-na...@techcompute.net>
To: "NANOG" <nanog@nanog.org>
Sent: Tuesday, 19 June, 2018 12:27:13
Subject: Tunable QSFP Optics

Does anyone know if any Single Mode QSFPs exist on the market that use 
wavelengths other than 1310nm (either self tunable or factory tuned)? I am 
looking to put more than one 40gb link on a fiber pair similar to using DWDM 
OADMs for 1g & 10g but can't seem to find any qsfp optics that don't use 1310nm.

Thanks.


Regards,

Mitchell T. Lewis

[ mailto:mle...@techcompute.net | mle...@techcompute.net ]


[ http://linkedin.com/in/mlewiscc ] |203-816-0371

PGP Fingerprint: 79F2A12BAC77827581C734212AFA805732A1394E [ 
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Key ]



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