C
ABLES

B-5

Console Port Pin Assignments
The DB- 9 se ria l po rt o n th e sw itc h’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 ac cessed 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 followi ng 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
DTE-DCE
CF 109 DCD (Data Ca rrier Detected) 1 1 <------
BB 104 RxD (Received Data) 2 2 <------
BA 103 TxD (Transmitted Data) 3 3 ------>
CD 108.2 DTR (Data Terminal Ready) 4 4 ------>
AB 102 SG (Signal Ground) 5 5 -------
CC 107 DSR (Data Set Ready) 6 6 <------
CA 105 RTS (Request-to-Send) 7 7 ------>
CB 106 CTS (Clear-to-Send) 8 8 <------
CE 125 RI (Ring Indicator) 9 9 <------