Publication date: Feb., 2012Revision A116Figure 14: Serial Port (DB-9 DTE) Pin-OutWIRING MAP FOR SERIAL CABLEThe DB-9 cable is used for connecting a terminal or terminal emulator to theManaged Switch’s RS-232 port to access the command-line interface.The table below shows the pin assignments for the DB-9 cable.Table 4: Serial Cable WiringFunction Mnemonic PinCarrier CD 1Receive Data RXD 2Transmit Data TXD 3Data Terminal Ready DTR 4Signal Ground GND 5Data Set Ready DSR 6Request To Send RTS 7Clear To Send CTS 8N OTE: No other pins are used.