optic@T5e - how to terminate the fibre with SFP?

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mentalinc

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#302986 8-Jan-2023 21:58

Hey

I've got some optic@T5e - (data sheet) and will use the Cat5e to terminate to some keystones, but I'm wondering what or who or how I can get SFP connectors added (or something SFP can then patch cable connect to) to the ends to terminate the fibre and make that usable as well?

Worst case I'll just use the Cat5e cable, and the fibre will be there for some point in the future.

thanks

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toejam316

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#3018797 8-Jan-2023 23:54

To terminate the fibre, you'll need a fusion splicer. Can't do much about that, so for now I'd forget that the fibre exists for now, and maybe revisit it if you ever find the CAT5e limiting and are willing to fork out to have someone come splice some connectors, and source appropriate SFPs for the fibre.

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SomeoneSomewhere

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#3018802 9-Jan-2023 01:09

Opticat5e also uses single-mode fibre, which is mostly used for longer distances (like fibre internet connections) and needs I believe more expensive SFPs. For internal fibre wiring, you're more likely to want multimode fibre like OM4 or OM5.

You also probably want Cat6 or 6A, which can do >1Gb/s over varying distances, and are likely to be where consumer/prosumer products go next. 2.5GbE is becoming pretty common on higher-end routers and motherboards.

Also make sure you leave enough fibre at each end to do a splice or two with, and protected so it doesn't kink or get otherwise damaged. Think several metres.

mentalinc

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#3018852 9-Jan-2023 08:16

As always speedy responses.
Thanks both.

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ProbablyAGeek

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#3019424 10-Jan-2023 09:37

SomeoneSomewhere:

Opticat5e also uses single-mode fibre, which is mostly used for longer distances (like fibre internet connections) and needs I believe more expensive SFPs. For internal fibre wiring, you're more likely to want multimode fibre like OM4 or OM5.

Also make sure you leave enough fibre at each end to do a splice or two with, and protected so it doesn't kink or get otherwise damaged. Think several metres.

There's not really any point in bothering with multi-mode anymore, unless you're running hundreds of short runs.

Single-mode is much more "furture-proof" (not that you'll likely need more than 10G for the foreseeable future) and the transceivers are only slightly more expensive. Checkout FS.com (10G-SR vs 10G-LR is only $12 more expensive, 1G-SX vs 1G-LX is only $4)

cyril7

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#3019442 10-Jan-2023 10:10

SomeoneSomewhere:

Opticat5e also uses single-mode fibre, which is mostly used for longer distances (like fibre internet connections) and needs I believe more expensive SFPs. For internal fibre wiring, you're more likely to want multimode fibre like OM4 or OM5.

You also probably want Cat6 or 6A, which can do >1Gb/s over varying distances, and are likely to be where consumer/prosumer products go next. 2.5GbE is becoming pretty common on higher-end routers and motherboards.

Also make sure you leave enough fibre at each end to do a splice or two with, and protected so it doesn't kink or get otherwise damaged. Think several metres.

Hi, would agree with Jonathons comment above, MM is less attractive these days, the cost diff between MM and SM transceivers for 1G and 10G just no longer makes any sense, I have stopped installing it even in MPO runs between racks, its SM all the way these days.

As for the comments re Cat6/6A, I should point out that Cat5e is rattified for 2.5GB/s to its full 100m channel length, and will infact to 5Gb/s to 100m in the vast majority of situations assuming it passes ClassD testing, I have found Cat5e will even do 10G in <20m runs.

Cyril

mentalinc

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#3019447 10-Jan-2023 10:26

I'll run four Cat6 cables (space dependant) instead of the optic@T5e and put through a separate 25m OM4 MM cable I already had instead, so at least there is some fibre option present to do 10G to the TV.

Was just trying to just run one cable to cover off, but seems to be the may more expensive approach given termination isn't straight forward!

thanks

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cyril7

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#3019469 10-Jan-2023 12:12

mentalinc:

I'll run four Cat6 cables (space dependant) instead of the optic@T5e and put through a separate 25m OM4 MM cable I already had instead, so at least there is some fibre option present to do 10G to the TV.

Was just trying to just run one cable to cover off, but seems to be the may more expensive approach given termination isn't straight forward!

thanks

Why does your TV require 10G, dont understand, most TVs only sport 100Mb/s interfaces because streamed material rarely requires more.

Cyril

mentalinc

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#3019692 10-Jan-2023 17:07

There is a PC by the TV, but also if I'm running the cable there anyway, running the fibre 'just in case'.

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