6.1 Console Port Pin Assignments
The DB-9 serial port on the front panel is used to connect to the switch for out-of-band console
configuration. The console 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
Console Port to 9-Pin DTE Port on PC
Switch's 9-Pin Serial Port
2 RXD
3 TXD
5 SGND
Cable Types and Specifications
DB-9 Console Port Pin Numbers
Description
RxD (Received Data)
TxD (Transmitted Data)
SGND (Signal Ground)
CCITT Signal PC's 9-Pin
<---------RXD ------------
-----------TXD ---------->
-----------SGND ----------
6. APPENDIX
Switch's DB9
PC DB9
DTE Pin #
DTE Pin #
2
3
5
DTE Port
3 TxD
2 RxD
5 SGND
2
3
5