The Difference Between RJ11 And RJ12: Are They Similar?

Asked By Rob Billman 210 points N/A Posted on - 08/23/2016

I have often heard telephone exchange people to use terms RJ11and RJ12. What is the difference between RJ11 and RJ12? Can they be used in the same context?

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Answered By G Racho 0 points N/A #112693

The Difference Between RJ11 And RJ12: Are They Similar?

The difference between RJ11 and RJ12 is not large. They are quite similar as both of them use six slot connector. RJ stands for Registered jacks that find uses in telephone lines, and two numbers are used to specify the standard. RJ11 has more applications than RJ12. RJ11 find its use in a home and telephone services. They only differ in the wiring. RJ12 uses all the six slots whereas RJ11 uses only four slots out of six.

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• Posted on - 08/23/2016
• Question Category: Telecommunications