Modern man is surrounded on all sides by various wires. Electric current and information are transmitted along the wires in the form of electromagnetic waves. Connectors have been developed for easy connection to a variety of devices. One type of connector is RJ-11, which is usually used to connect telephones.
It is necessary
Crimping pliers for RJ-11 connectors
Instructions
Step 1
For the distribution of telephone communications inside the premises, various wires are used. The most widespread, especially in old houses, was received by telephone distribution wire (TRP), or "noodles". The low reliability and noise immunity of this wire are compensated by its low price, which explains its widespread use. A more modern and convenient option is a flat telephone line cord (SHTPL). Each of the four conductors is individually insulated with multi-colored plastic for easy wiring. All wires are sealed in a plastic sheath, which eliminates mechanical damage. When purchasing a new wire, you should give preference to SHTPL or its analogues.
Step 2
Regardless of the number of conductors in the cord, only two are used for conventional telephony. The rest can be used to connect telephones according to the "director-secretary" scheme or in digital mini-automatic telephone exchanges. If there are more than two wires in the wire and you do not know which ones are connected to the PBX, use a multimeter. You can also use the popular method of checking the signal "for language", but this is not safe. At the time of a call, the voltage on the telephone line can reach 150 volts, which is enough to cause serious injury. If the connectors are on both ends of the wire, use the color-coded conductors. All telephones, unless otherwise indicated in the operating instructions, use two central conductors as working ones. The rest of the pins in the connector remain unused.
Step 3
In order to crimp the telephone wire, you must first cut it off evenly, and then remove the outer plastic insulation at a distance of one and a half centimeters from the edge. As a result, you should have in your hands the end of the wire with protruding multi-colored conductors. Do not strip the plastic insulation from individual conductors. Identify the two wires that are connected to the PBX. Place the conductors in the same plane so that the connected wires are in the middle. Insert the wires into the connector without disturbing the location. Push the wire into the connector until it stops. Insert the connector into the crimping pliers. Make sure that the wires do not fall out of the connector. Squeeze the handles of the tongs firmly. Remove the crimped telephone wire and test it for proper operation.
