Maxtang FP20, Руководство пользователя

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Shenzhen Maxtang Computer CO., Ltd
6
Always on Network Connected Blinking Data transfer
LAN_LED (Screen Printing: LAN_LED)
Pin Signal
1
2 LAN1_D -
3 LAN2_D -
4
2.8 Audio (Screen Printing: FP_AUDIO, JAUD)
Using the ALC897 audio control chip, the green one is the audio output interface (Line - out), the pink one is
the microphone input interface (MIC - in), and the blue one is the audio input interface (Line - in); the JAUD pin is the
power amplifier output.
FP_AUDIO
：
(Screen Printing
：
FP_AUDIO)
Signal Pin Signal
MIC2 - L 1 2 AGND
MIC2 - R 3 4 AVCC
FRO - R 5 6 MIC2 - JD
F - IO - SEN(AGND) 7 8 (NC)
FRO - L 9 10 LINE2 - JD
JAUD (Screen Printing: JAUD)
Pin Signal
1 L+
2 L -
3 R -
4 R+
2.9 COM (Screen Printing: COM1, COM2, COM36)
The board is equipped with 6 RS232 serial ports. COM1 and COM2 onboard pin spacing: 2.54mm; COM2 can
be set as RS485 optional. The COM2_P, COM4_P provide 5V/12V voltage optional for COM2 and COM4.
COM1 (Screen Printing: COM1)
Signal Pin Signal
DCD 1 2 RXD
TXD 3 4 DTR
GND 5 6 DSR