March Products 120 III (PC620) User Manual
Page 81
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User Manual version 2503
LIBRA 120 III (PC620 Intel 815E)
4-71
4.2.3.1. Keyboard: PS/2 KB Connector
Pin # Signal
1
KBDATA
2
NC
3
GND
4
SB5V
5
KBCLK
6
NC
4.2.3.2. Mouse: PS/2 Mouse
Pin # Signal
1
MSDATA
2
NC
3
GND
4
5V
5
MSCLK
6
NC
4.2.3.3. COM1, COM2, COM4 (DB-9)
Pin # Signal
Pin # Signal
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI (+5V/12V)
5
GND
4.2.3.4. DC Power: DC Power Output
Pin # Signal
Pin #
Signal
1
GND
5
+5V
2
GND
6
+12V
3
+5V
7
GND
4
+12V
8
GND
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