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AlphaPC 164UX Connector Pinouts 4–7
COM1/COM2 Serial Line Connector Pinouts
4.7 COM1/COM2 Serial Line Connector Pinouts
Table 4–7 shows the COM1/COM2 serial line connector pinouts.
4.8 Keyboard/Mouse Connector Pinouts
Table 4–8 shows the keyboard/mouse connector pinouts.
Table 4–7 COM1/COM2 Serial Line Connector Pinouts (J12)
COM1 Pin
(Top) COM1 Signal
COM2 Pin
(Bottom) COM2 Signal
1DCD1 1DCD2
2RxD1 2RxD2
3TxD1 3TxD2
4DTR1 4DTR2
5SG1 5SG2
6DSR1 6DSR2
7RTS1 7RTS2
8CTS1 8CTS2
9RI1 9 RI2
Table 4–8 Keyboard/Mouse Connector Pinouts (J25)
Keyboard Pin
(Bottom) Keyboard Signal
Mouse Pin
(Top) Mouse Signal
1KBDATA 1MSDATA
2NC 2NC
3Gnd 3Gnd
4Vdd 4Vdd
5 KBCLK 5 MSCLK
6NC 6NC