Connecting 4-wire audio Between CrewCom and Infinity

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Each CCU 4-wire RJ45 has 1 input and 1 output. The RJ45 pinout for CrewCom 4-wire RJ45 jacks is below.

CCU 4-wire pinout

4-Wire RJ-45 Connections

RJ-45 Pin #

CrewCom 4-Wire Pin #

Pin 1

Pin 8

Pin 2

Pin 7

Pin 3

Audio Output (+)

Pin 4

Audio Input (+)

Pin 5

Audio Input (-)

Pin 6

Audio Output (-)

Pin 7

Pin 2

Pin 8

Pin 1

Table 1

As of this writing the CCU 4-wire outputs will likely connect to an Axia xNode (or xNode2), or other analog to AOIP convertor. The pinouts for xNode connections are below.

Custom RJ45 plug to 1 x XLR3-F and 1 x XLR3-M may be obtained from Pliant or built by the customer. Off-the-shelf StudioHub RJ45 to XLR cables can be used on the xNode side.

It also possible to make cables that provide the cross-wiring for 2 x CCU 4-wire RJ45 plugs directly to 2 x RJ45 plugs for the xNode in and out.

These choices are up to the user.

The pinouts are here just for a quick reference.

Axia xNode RJ45 pinout

A diagram of a network connection AI-generated content may be incorrect.

                                                                              Table 2

NOTE: Sometime in 2026 it is expected that Pliant will have a CrewNet to Dante I/O device. The Dante device will connect to CrewNet and have an AoIP network port as well. Using a Dante Controller or Dante Domain Manager (DDM) a user will be able to connect 4-wires to Infinity directly or using an Infinity Link Gateway.