At the end of the wire, you can break out the two lines using an adapter, which allows you to connect line 1 to an RJ-11 plug and line 2 to another RJ-11 plug or if you have a 2-line phone, you can just plug an RJ-14 plug into the phone. Remember that in order to reduce the work and materials, you may run two or more lines within one telephone wire. ![]() As long as you’re following the tip-to-tip rule, the fact that you’re connecting a white wire with brown stripes to a green wire, and a brown wire with white stripes to a red wire shouldn't be confusing. Again, connect tip to tip and ring to ring. Just connect the correct colors to run the wire. This works the same way when you're connecting the extension jacks of your phone system to your extensions. If you are not using a phone system and just want to connect your phone jacks directly to the POTS lines, all you need to do is run wire from the network interface to your extension jacks. Using the chart, figure out which of the POTS wires is the ring and which is the tip, and connect them appropriately. The green wire is the tip, and the red wire is the ring. Most of the time, you only use the red/green pair. In a modular jack, you have red/green and yellow/black. In order to connect your line to a modular jack, you need to connect the tip wire of the POTS line to the tip wire of the jack, and the ring wire of the POTS line to the ring wire of the jack. There are quite a few possible combinations of colors that could make up your pair. One of the wires of your POTS line is called the tip wire, and the other is the ring wire. Each pair that comprises each of your POTS lines should be labeled. Take a 2-line installation, as an example. You may want to simplify the wiring and cut your wire costs by having few of the wires carry more than one line or extension. Using the star method, you’re obviously going to have to have a few wires coming from your network interface, as you’ll have one wire for each of your plugs. As with the old type of Christmas lights, if one goes out, they all go out. This loop method is not widely used anymore. In this method 1-line telephone wire links all of the extensions in a series. The other type of wiring is called the series (or loop) method. Each extension or phone jack is run directly from the network interface or phone system if you’re installing one. The star (or homerun) method is the most common method of telephone wiring. This has modular test jacks (where you can plug a phone in to see if the phone line is live) and a terminal strip from which you run your internal telephone wire.įrom the network interface, you want to plan how you want the wiring in your location to be. Most new installations consist of a network interface box. If there is a punchdown block, and you can’t get the phone company to install a modular jack for each Plain Old Telephone Service (POTS) or Central Office (CO) line, then you’ll need a punchdown tool to connect your inside telephone wire to the interface. What kind of network interface do you have? They’ve probably left you with either a punchdown block, or a network interface box. The first step to a small telephone wire job is to figure out what the phone company has left you to work with. The RJ-14 uses four wires and it’s used to handle two lines, or 2-line phones. ![]() This is the same kind of plug that you use to plug your telephone into the wall: a 1-line plug. The most common is the RJ-11, which uses only two of the telephone wires in a four (or more) strand wire. There are two types of common modular plugs the RJ-11 and RJ-14. Telephone wire comes in two gauges, 22 gauge and 24 gauge 24 gauge is today’s standard. IF you need to run more lines than just two, you may just want to use a 6-stand or higher. The twisting keeps the lines from interfering with each other. Therefore, it follows that a 4-strand telephone wire can carry two separate phone lines. One telephone wire line needs only two wires. This consists of red and green wires, which makes a pair, and yellow and black wires, which makes the other pair. ![]() The most common type is the 4-strand (2 twisted pair). Most telephone wire are one or more twisted pairs of copper wire. The basics of phone line wiring is pretty easy to understand.
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