
MultiVOIP Gatekeeper User Guide 47
Appendix A - Connector Pinouts
The same type connector, mounted on an adapter and cabled to the SBC board, is used for COM 2 in
this system.
1
5
6
9
Figure A-2. 9-Pin DB9 COM 1 (or COM 2) Connector
Pin Identification
Pin Description
1 DCD
2 RX Data
3 TX Data
4DTR
5 Ground
6 DSR
7RTS
8CTS
9RI
6-Pin Circular Jack
This connector is used to connect the keyboard to the SBC board.
1
2
3
4
5
6
Figure A-3. 6-Pin Mini-DIN Keyboard Connector
Pin Identification
Pin Description
1 +Keyboard Data
2NC
3 GND
4 +5V DC
5 +Keyboard Clock
6NC
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