29-09-15, 04:50 PM
The new master sockets usually have 2 IDC blocks. 1 for the BT line coming in and the 2nd to terminate an extension. I would completely remove the old cable, cut and strip back the new extension cable (so you know you have good undisturbed copper) and punch it down using a proper tool.
Its the only way to ensure good bandwidth
Its the only way to ensure good bandwidth