User manual

13 Chapter 2
Note: NC represents “No Connection”
2.3.4 Audio Connector
The ARK-3380 offers AC97 stereo Audio output ports by three phone
jack connectors of Speaker_Out, Mic_In and Line_In,
Table 2.5: COM2 standard serial port pin assignments
RS-232 RS-422 RS-485
Pin Signal Name Signal Name Signal Name
1 DCD Tx- DATA-
2RxD Tx+ DATA+
3 TxD Rx+ NC
4DTR Rx- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9RI NC NC
Table 2.6: Line_In connector
Line-In Connector
Footprint Phone Jack 3.5Ø 5P, 90 Degree, Female, BLUE color,
SHIELDED
Table 2.7: Speaker_Out connector
Speaker-Out Connector
Footprint Phone Jack 3.5Ø 5P, 90 Degree, Female, LIME color,
SHIELDED
Table 2.8: Mic_In connector
Mic-In Connector
Footprint Phone Jack 3.5Ø 5P, 90 Degree, Female, PINK color,
SHIELDED