[oshug] VDSL2 / ADSL2+ Annex M modem recommendations

J. R. Haigh james.r.haigh at gmail.com
Wed Sep 14 20:17:35 UTC 2016

.	A lightning strike near my parents' house frazzled their phone and Internet connection, yesterday. It has damaged and disabled their ISP-provided router, as well as disabled the phone service, which indicates that at least one other piece of equipment – possibly the faceplate or equipment at the exchange – has also been damaged by the electromagnetic pulse from the strike.
.	While that other damage is diagnosed and fixed, I could do with getting a VDSL2 modem that, together with an existing OpenWrt, non-DSL router, will replace the nonlibre, ISP-provided, VDSL2 router.
.	As always, I'd prefer it to be OSH and run libre firmware. If possible, it would ideally be able to analyse the frequency spectrum of SNR or attenuation on the line, and show something like this:
That, and any other diagnostics, would be really useful to quickly determine the quality of their long rural line which has several outages and degradations per year.
.	Seeing as this is the 3rd occasion in about a decade and a half that an EMP has frazzled their modem / modem router, and seeing as I'm planning to get an ADSL2+ Annex M landline myself in my flat, if there's an OSH VDSL2/ADSL2+ modem that can show diagnostics then I'd gladly get 3 of them!
.	Otherwise, please advise me on recommendations of the freeëst such modem(s) available.

Best regards,
James R. Haigh.
Sent from my Android device with K-9 Mail.
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