Appendices, Appendix a—back panel connector pinouts, Pin db9 (com 1) connector – Multi-Tech Systems Hub User Manual
Page 31: Pin circular jack
CommPlete 4000 Communications Server User Guide
31
Appendices
9-Pin DB9 (COM 1) Connector
This connector attaches the SBC board to the COM 1 serial port.
1
5
6
9
Figure A-2. 9-Pin DB9 COM 1 Connector
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.
1
2
3
4
5
6
Figure A-3. 6-Pin Mini-DIN Keyboard Connector
Pin Identification
PinDescription
1
+Keyboard Data
2
NC
3
GND
4
+5V DC
5
+Keyboard Clock
6
NC