by Jeff Fisher
This page describes how to wire various kinds of telephone jacks.
Wire Color Codes
|NOTE: Presented for historical reasons-|
nobody uses quad wire anymore.
|Standard 4-Pair Wiring|
|NOTE: For 6-wire jacks use pair 1, 2 and 3 color codes.|
For 4-wire jacks use pair 1 and 2 color codes.
Jack Lead Colors
|Jack Lead Colors|
|Pin #||Jack Type|
|1||Blue (L)||White (W)||Orange (O)|
|2||Orange (O)||Black (B)||Green (G)|
|3||Black (B)||Red (R)||Red (R)|
|4||Red (R)||Green (G)||Yellow (Y)|
|5||Green (G)||Yellow (Y)||Black (B)|
|6||Yellow (Y)||Blue (L)||Brown (N)|
Standard Jack Wiring
Non-Standard Jack Wiring
The following wiring schemes are non-standard and violate category 5 ratings...but if you only have a single category 5 cable in the wall, you can wire it to the jacks in one of two ways to still have telephone and network connections.
This is how to wire one cat 5 cable into a network and a two-line jack:
This is how to wire one cat 5 cable into a network and two one-line jacks:
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