[SOLVED]What is the difference between TP-LINK TD-W8970 & TD-W8970B in hardware and openwrt/lede support?

Hardware Questions and Recommendations
7

No he mean you can run Annex A with vdsl on your location but not ADSL.
Sorry can not give your more information. about resistor and o2 box

Annex J work only with max 2.1 Mbit