nanog mailing list archives

Re: breakout


From: Ben Cannon <ben () 6by7 net>
Date: Wed, 8 Jan 2020 11:26:06 -0800

This is another good way to go, make sure you have a single mode handoff from the IX (you should, but double check 
this, orange fiber and yellow fiber are very different physically in size and generally not compatible.

-Ben Cannon
CEO 6x7 Networks & 6x7 Telecom, LLC 
ben () 6by7 net <mailto:ben () 6by7 net>




On Jan 8, 2020, at 11:20 AM, Matt Erculiani <merculiani () gmail com> wrote:

I think you're looking for an MTP breakout cable, rather than a QSFP28 breakout.

The MTP breakout requires separate optics, whereas the active breakout can plug directly into a device's SFP+ ports.

Something like...

https://www.fs.com/products/24422.html <https://www.fs.com/products/24422.html>
And
https://www.fs.com/products/41426.html <https://www.fs.com/products/41426.html>

You'll also need to tell your device to break out it's 40 g into the component 10g channels. Then they'll each get a 
distinct port number. (Usually just a number appended to the parent port)

-Matt

On Wed, Jan 8, 2020, 12:10 Randy Bush <randy () psg com <mailto:randy () psg com>> wrote:
i am not a fiber/sfp/... geek, so clue bat please

on my left, i have a delta 9020SL running arcos, female 40g qsfp

on my right, i have incoming 10g 1310nm single mode from the seattle
internet exchange.  it is currently into a redstone 10g sfp

    NAME                VALUE
    ---------------------------------
    SwPort              1
    Status              PRESENT
    Valid               True
    Vendor              FiberStore
    Model               SFP-10GLR-31
    Serial-Number       G1804021292
    Type                SFP
    Module-Type         10G_BASE_SX
    Media-Type          FIBER
    Module-Capability   F_10G
    Length              255
    Length-Description

which i am swapping out for the delta 9020

so i am look at something such as https://www.fs.com/products/30900.html <https://www.fs.com/products/30900.html>
except i do not understand active/passive, AOC1M, etc

thanks in advance

randy


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