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
Содержание AmITX-BT-I
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