Appendices
9-Pin DB9 (COM 1) Connector
This connector attaches the SBC board to the COM 1 serial port.
15
| 6 | 9 |
| Figure | |
Pin Identification |
|
|
Pin | Description |
|
1 | DCD |
|
2 | RX Data |
|
3 | TX Data |
|
4 | DTR |
|
5 | Ground |
|
6 | DSR |
|
7 | RTS |
|
8 | CTS |
|
9 | RI |
|
6-Pin Circular Jack
This connector connects the keyboard to the SBC board.
6
4
2
5
3
1
Figure A-3. 6-Pin Mini-DIN Keyboard Connector
Pin Identification
PinDescription
1+Keyboard Data
2NC
3GND
4+5V DC
5+Keyboard Clock
6NC
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