Lexmark MX81 Series Service Manual page 658

Connector Connects to
JFX1 Fax card interface
Pin no. Signal
1 FAX_SPI_CS
2 BUZZER_R
3 FAX_SPI_DIN
4 GND
5 FAX_SPI_DOUT
6 GND
7 FAX_SPI_CLKR
8 GND
9 FAX_IRQ
10 +5V
11 FAX_RESET
12 +3.3v
13 +3.3v
14 TONE
Component locations
658
7463