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document GPON-SFP-ONT-MAC-I SKU 133619#459

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simonebortolin merged 2 commits into
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bugfood:fs
May 4, 2026
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document GPON-SFP-ONT-MAC-I SKU 133619#459
simonebortolin merged 2 commits into
hack-gpon:mainfrom
bugfood:fs

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@bugfood bugfood commented Apr 28, 2026

I am using this part currently, with firmware from this page. As far as I can tell, this is indeed the same part as the GPON-ONU-34-20BI, and it was sold under the same SKU. The label is GPON-SFP-ONT-MAC-I, though; I can provide a photo if desired.

Anyone looking to buy a GPON-ONU-34-20BI may find evidence that the GPON-SFP-ONT-MAC-I is equivalent, but not all SKUs are the same. Document this in order to prevent confusion.

Also add a link to the datasheet.

bugfood added 2 commits April 27, 2026 22:11
Reference for the part number change:
https://www.fs.com/products_support.html?isPica=false&categories_id=5389&third_categories_id=5607&products_model=GPON-SFP-ONT-MAC-I&style_id=15&files_id=d7725#BdUwdHTqSoLB0PxqjFzcp16Unfb

"This is solely a product part number change announcement -
functionality remains completely unaffected when using the new part
numbers."

This is not fully true, however, as other modules are sold as
GPON-SFP-ONT-MAC-I, as confirmed by discussion with fs.com account
manager. Also compare the configuration guides:

https://resource.fs.com/mall/resource/gpon-sfp-ont-mac-i-configuration-guide.pdf
(same as GPON-ONU-34-20BI--only name is changed)
https://resource.fs.com/mall/resource/gpon-sfp-ont-mac-i-configuration-guide-20260306145537.pdf
(something entirely different)

As of very recently, the part equivalent to GPON-ONU-34-20BI is no
longer sold.
I cannot find a datasheet for GPON-ONU-34-20BI on fs.com.
Comment thread _ont/ont-fs-com-gpon-onu-stick-with-mac.md
@simonebortolin simonebortolin merged commit 7c305db into hack-gpon:main May 4, 2026
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bugfood commented May 5, 2026

Thank you.

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