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IronPort - advanced configuration guide

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Appendix B Accessing the Appliance<br />

Accessing via a Serial Connection<br />

OL-25137-01<br />

If you are connecting to the appliance via a serial connection (see “Connecting to the Appliance” in the<br />

Cisco <strong>IronPort</strong> AsyncOS for Email Configuration Guide), Figure B-2 illustrates the pin numbers for the<br />

serial port connector, and Table B-2 defines the pin assignments and interface signals for the serial port<br />

connector.<br />

Figure B-2 Pin Numbers for the Serial Port<br />

Table B-2 Serial Port Pin Assignments<br />

Pin Signal I/O Definition<br />

1 DCD I Data carrier detect<br />

2 SIN I Serial input<br />

3 SOUT O Serial output<br />

4 DTR O Data terminal ready<br />

5 GND n/a Signal ground<br />

6 DSR I Data set ready<br />

7 RTS I Request to send<br />

8 CTS O Clear to send<br />

9 RI I Ring indicator<br />

Shell n/a n/a Chassis ground<br />

Cisco <strong>IronPort</strong> AsyncOS 7.6 for Email Advanced Configuration Guide<br />

B-5

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