Console Port Pin Assignments
The DB-9 serial port on the switch's front 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 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 Port Pin Assignments
EIA
CCITT
Circuit
Signal
BB
104
BA
103
AB
102
No other pins are used.
Console Port to 9-Pin DTE Port on PC
Switch's 9-Pin
Serial Port
2 RXD
3 TXD
5 SGND
No other pins are used.
Pin 1
Figure B-4. DB-9 Console Port Pin Numbers
Description
RxD (Received Data)
TxD (Transmitted Data)
SGND (Signal Ground)
Null Modem
<---------TXD ------------
-----------RXD ---------->
-----------SGND ----------
C
P
ONSOLE
ORT
Pin 9
Switch's
PC DB9
DB9 DTE
DTE
Pin #
Pin #
3
2
2
3
5
5
PC's 9-Pin
DTE Port
3 TXD
2 RXD
5 SGND
P
A
IN
SSIGNMENTS
B-7