BECKHOFF CX1000 - Manual (Page 23)

Product Overview
Embedded PC 21
CX1000-N003 connections
This system interface contains the audio interfaces Line In, Mic In (microphone signal input) and Line Out (also for
earphones), max. 200 mW.
It also features a PC beeper.
The 3.5 mm sockets are designed for jack plugs.
Line In / Line Out stereo jack plugs:
Pin assignment Line In /Line Out:
Signal Description
L Left Signal
R Right Signal
Gound Ground
The left channel is transferred via the tip of the jack plug, the right channel via the first ring. The remainder of the
sleeve is used for earthing.
Mic In mono jack plug:
The only existing channel is transferred via the tip, the remainder of the sleeve is used for earthing.