Replacing the Bouygues Telecom Bbox with your own router is well documented for internet: a GPON SFP stick with the ONT identity cloned, VLAN 100, DHCP. The TV decoder is a different story.
Part of the GPON SFP serial-console guide.
GPON / XGS-PON SFP "ONU stick" modules run a full Linux SoC, and most expose a serial console (UART) on their edge connector
If you've ever wanted to take full control of your GPON SFP module, you're not alone. Huawei's GPON sticks (like the popular MA5671A) are well-known for
You plug your SFP/ONU module into your USB-to-TTL adapter, open your serial terminal, and suddenly you see this repeating over and over again:
U-Boot 2011.12-lantiq-gpon-1.
How to re-flash the FS.COM GPON ONU Stick or Huawei MA5671A with the SFP-to-TTL adapter
What this guide is about
The wildly popular FS.COM GPON ONU Stick (PN: