B-1
A

PPENDIX

BP

IN

A

SSIGNMENTS

Console Port Pin Assignments

The DB-9 serial port on the switch’s rear panel is used to connect to the
switch for out-of-band console configuration. The on-board menu-driven
configuration program can be accessed from a terminal, a PC running a
terminal emulation program, or from a remote location via a modem
connection. The pin assignments used to connect to the serial port are
provided in the following tables.
Figure B-1. 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 #
Signal
Direction
DCE-DTE
BB 104 RxD (Received Data) 2 2 ------>
BA 103 TxD (Transmitted Data) 3 3 <------
AB 102 SGND (Signal Ground) 5 5 --------
No other pins are used.