Multi-Tech Systems Hub - Manual (Page 31)

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