BECKHOFF CX9020 - Manual (Page 26)

Mounting and wiring
3.9 Audio interface (CX9020­N020)
This system interface provides the audio interface for the CX9020 system. Two inputs, "LINE IN" (X300) and
"MIC IN" (X302), are available. The "LINE OUT" (X301) connection is used as output for audio signals. It can
also be used for connecting headphones with a maximum output of 200 mW. The audio interfaces are
accessed via the operating system.
The 3.5 mm sockets are designed for jack plugs.
Standard / stereo mode:
The audio module operates in stereo mode as standard, using stereo outputs/inputs and a single­channel
input for the microphone. The inputs should be connected as indicated. The pin assignments are described
below.
Line In / Line Out stereo jack plugs (X300 / X302):
Table 3: Pin assognment Line In /Line Out:
Signal Description
L Left channel
R right channel
Ground 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 (X301):
CX9020 26 Version 1.1