How to install a super fast broadband cable for VDSL and Jul 08, 2014This video is an example of a good quality VDSL lead for super fast broadband like BT Infinity and other FTTC service providers when you have the VDSL How To Install a DSL Line - Bob Cromwell on Linux Wire pair #1 is connected to terminals at either end of a black plastic block. The central terminal is the ground, where you connect the heavy green jacketed wire from the phone company and the heavy wire, here with a beige jacket, leading to a ground rod. 11.0 Wiring Diagrams and Schematics - DSLReports Home 11.0 Wiring Diagrams and Schematics. Modem Test at the NID (Network Interface Device) For example a pair in a 25 pair cable consisting of a black wire with blue stripe mated with a blue wire Guide to rewiring internal UK phone wiring - Rob R United Kingdom internal phone systems. Re-wiring . This guide was originally created to show users how to replace and re-wire the user side internal telephone cabling with Category5e/6 cable in an attempt to reduce interference that could hinder broadband services like xDSL. However is now updated with other tips and tricks to improve line stats further. How the VDSL Connection Works - Hardware Secrets VDSL is another very popular type of DSL Internet connection, used by networks such as AT&T’s U-verse in the U.S. Let’s see how it works.