3COM Security Switch 6200 Hardware and Software Users GuideB-1BConnector Pin AssignmentsThis appendix describes the craft port pin assignments:The Craft port, located on the front of the system, uses a DB- 9 connectorwith the following pin identifications and associated signals.DB-9 ConnectorPin NumberSignal1No Connection2TDX3RXD4DSR5GND6DTR7CTS8RTS9No Connection