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For assembling connection cables, it is recommended to:
  • Use shielded RJ45 connectors.
  • Use premium quality CAT-5 STP or S/FTP cable.
  • Ensure the connector shield is properly bonded to the cable shield.
The following table shows the standard color coding and pin numbering for RJ45 connectors.

RJ45 Standard Nomenclature

RJ45 front view - Pins according to TIA-568B
PINWIRE COLOR
1White / Orange
2Orange
3White / Green
4Blue
5White / Blue
6Green
7White / Brown
8Brown

Pin Configuration for Balanced Audio Connection

PINFUNCTIONWIRE COLOR
1Left channel (+)White / Orange
2Left channel (–)Orange
3Right channel (+)White / Green
4GroundBlue
5ReservedWhite / Blue
6Right channel (–)Green
7–15 V (optional)White / Brown
8+15 V (optional)Brown

Pin Configuration for Unbalanced Audio Connection

PINFUNCTIONWIRE COLOR
1Left channel (+)White / Orange
2NCOrange
3Right channel (+)White / Green
4GroundBlue
5ReservedWhite / Blue
6NCGreen
7–15 V (optional)White / Brown
8+15 V (optional)Brown

Adapter Patches to Conventional Audio Connectors

RJ45 to Unbalanced RCA

RJ45 to RCA

RJ45 to Balanced XLR

RJ45 to XLR

RJ45 to Balanced TRS

RJ45 to TRS
SOL-M12/minijack adapters (to female mini plug) can be connected to balanced or unbalanced OUTPUTS. Not recommended for unbalancing inputs as they leave the (-) pin unconnected, which may introduce noise.
SOL-M12/RCAM adapters (to male RCA) can be connected to balanced INPUTS to unbalance them, as they connect the balanced (-) signal to ground. DO NOT USE ON BALANCED OUTPUTS, as outputs must be unbalanced by leaving the (-) pin unconnected.