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APOLLO 1U ICE Connectors
J1, J2, J3 – Audio connectors
3.5mm stereo audio jacks are used for audio connection. The audio codec can operate
in either of the following modes:
• 2.1 mode, which allows for microphone in, line in and line out operation.
• 5.1 mode, which provides six-channel surround sound output. The microphone
input and line in are not available during six channel mode.
Selection of 2.1 or 5.1 mode is made using software.
The audio connectors are illustrated in the following diagram:
Ring
Sleeve Tip
The pin settings for each connector are described in the following sections:
J1 - 3.5mm audio jack
PC99 Color: lime.
Signal name
Pin
2.1 mode 5.1 mode
Tip Line out left Surround out left
Ring Line out right Surround out right
Sleeve Ground Ground
J2 - 3.5mm audio jack
PC99 Color: light blue.
Signal name
Pin 2.1 mode 5.1 mode
Tip Line in left Rear surround left
Ring Line in right Rear surround right
Sleeve Ground Ground
© 2007 Eurotech Ltd Issue C 13