FUJITSU D1961 - Manual (Page 22)

Pin assignment of internal ports
12 - English A26361-D1961-Z120-1-7419, edition 2
Audio front panel
1 2
Pin Signal Pin Signal
1 Micro input 2 Analogue GND
3 Micro bias 4 Analogue VCC
5 Right line output 6 Right line return
7 not connected 8 Key
9 Left line output 10 Left line return
If the audio front panel is not used, you must plug jumpers on pin pairs 5/6 and 9/10.
USB - dual channel
(internal or external via special wire)
1 2
Pin Signal Pin Signal
1 VCC C 2 VCC D
3 Data negative C 4 Data negative D
5 Data positive C 6 Data positive D
7 GND 8 GND
9 Key 10
not connected
Fan 1 and 2 1
Pin Signal
1 GND
2
12 V
3 Fan sense
4 Fan Control