Telephone patch cables are used to connect your phone, fax machine or dial- up modems to the wall jack.

RJ11 Straight cables are used for data lines. E.g.: fax machine and dial- up modems.

RJ11 Reverse cables are used for voice lines. E.g.: phone


Technical Details 

Straight Plug Connector

1-1
2-2
3-3
4-4


Reverse Plug Connector

1-4
2-3
3-2
4-1


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