Diagram On House Phone Box. When you order phone service to your house the local phone company installs a network interface device a sturdy grey plastic box usually mounted either in your basement or on an outside wall. Typical house wiring diagram illustrates each type of circuit.
Disconnect the previous telecoms wires from connecting with the homes wires at the network interface box or demarc short for demarcation. The customer side of the box typically contains the wiring posts for each of the houses internal phone lines and a customer test jack which is simply a normal wall style jack for a normal phone cord. The incoming overhead telephone cable terminates on the outside wall at an ancient junction box.
Cabling house telephone wiring uses cable containing six 05mm diameter solid conductors.
Line 1 is usually the only telephone line you need to connect red and green. Therell be main lines that are represented by l1 l2 l3 and so on. 19 diagram on house phone box picsthe wiring or home telephone service also known as pots or analog is fairly simple. When new style wiring was introduced in the early eighties a domestic single line telephone installation would have a master socket which is provided by the service provider bt cable company etc.