try to install adsl splitter by myself, after open little white phone box, i m found my phone line got 4 wire(shows in the picture)
i know the Yellow and black wire is going to all old house phone jack point which is 16 years old and installed when the house builded.
and the white and pink wire is going to two new phone jack point which installed last year.
both pairs jack point are working find and connected with phone.
so when i put my adsl splitter into the phone line, which pairs wire should i ues??? should i just join than in to 2 wire or not??