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.
Table 4–7 COM1/COM2 Serial Line Connector Pinouts (J3)
COM1 Pin |
| COM2 Pin |
|
(Top) | COM1 Signal | (Bottom) | COM2 Signal |
|
|
|
|
1 | DCD1 | 1 | DCD2 |
2 | RxD1 | 2 | RxD2 |
3 | TxD1 | 3 | TxD2 |
4 | DTR1 | 4 | DTR2 |
5 | SG1 | 5 | SG2 |
6 | DSR1 | 6 | DSR2 |
7 | RTS1 | 7 | RTS2 |
8 | CTS1 | 8 | CTS2 |
9 | RI1 | 9 | RI2 |
4.8 Keyboard/Mouse Connector Pinouts
Table 4–8 shows the keyboard/mouse connector pinouts.
Table 4–8 Keyboard/Mouse Connector Pinouts (J4)
Keyboard Pin |
| Mouse Pin |
|
(Top) | Keyboard Signal | (Bottom) | Mouse Signal |
|
|
|
|
1 | KBDATA | 1 | MSDATA |
2 | NC | 2 | NC |
3 | Gnd | 3 | Gnd |
4 | Vdd | 4 | Vdd |
5 | KBCLK | 5 | MSCLK |
6 | NC | 6 | NC |
AlphaPC 164SX Connector Pinouts
