On Wed, 12 Jun 2002, Wayne Johnson wrote: > There is two classes of wire. Cat3 has 4 wires (2 pair) and is used > for most phone wiring. Of these wires, there are two ways to wire it. > In RJ11, only the red and green carry the phone signals and the yellow > and black remain unused. This is typical for most house wiring. > RJ13 extends RJ11 by placing a second phone line on the yellow/black > pair. You can get RJ13 phones and splitters at Radio Shack. Cat3 can > not be used for LAN wiring. To connect cat3 wire, you can use a > punchdown terminal block, or there are small button sized "wire nuts". > Keep the amount of wire outside the sheath to a minimum to reduce > noise. Cat3 wire, modular RJ11/13 & RJ45 sockets, and just about > anything else can be found at Home Depot. Cat3's actually a different grade of wire, it's just like Cat5 (8 wires), just less twists per inch. I actually think you can get 2-pair Cat3/Cat5, but the more common is 4-pair. -- Nate Carlson <natecars at real-time.com> | Phone : (952)943-8700 http://www.real-time.com | Fax : (952)943-8500