ADLINK AmITX-BT-I - Manual (Page 25)

AmITX-BT-I Page 25
4.2.7. CPU Fan and System Fan Connectors
Pin 3 and 4 are connected (monitored and managed) by SEMA controller.
Pin # Signal
1 GND
2 Fan Power (+12V)
3 Fan Sense
4 Fan Speed Control
4.2.8. Serial COM Port Connectors
Four internal Serial Ports (COM3-6)
Serial Port Functions
COM3 Supports RS-232 / RS-422 / RS-485,
5V/12V power support by BOM option
(default 5V).
SW10: Switch for mode selection of COM3
(default RS-232).
COM4 Supports RS-232 / RS-422 / RS-485,
5V/12V power support by BOM option
(default 5V).
SW11: Switch for mode selection of COM4
(default RS-232).
COM5 Supports RS-232 only, 5V/12V power
support by BOM option (default 5V).
COM6 Supports RS-232 only, 5V/12V power
support by BOM option (default 5V).
RS-232
Pin # Signal Pin # Signal
1 DCD 2 DSR
3 RxD 4 RTS
5 TxD 6 CTS
7 DTR 8 RI
9 GND 10 5V / 12V
SW10 SW11
COM3
COM6
COM4
COM5
CPU
Fan
System
Fan