System information

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Appendix
Console Port Pin Assignments
The DB-9 serial port on the switch is used to connect to the switch for out-of-band console
configuration. The console—command line interface can be accessed from a terminal or a
PC running a terminal emulation program. The pin assignments used to connect to the
serial port are provided in the following tables.
DB-9 Console Port Pin Numbers
 DB-9 Port Pin Assignments
EIA Circuit
CCITT Signal
Description
Switch’s
DB9 DTE
Pin #
PC DB9
DTE Pin #
BB
104
RxD (Received
Data)
2
2
BA
103
TxD (Transmitted
Data)
3
3
AB
102
SGND (Signal
Ground)
5
5