6. APPENDIX
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 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
Console Port to 9-Pin DTE Port on PC
Switch’s 9-Pin Serial Port CCITT Signal PC’s 9-Pin DTE Port
2 RXD <---------RXD ------------ 3 TxD
3 TXD -----------TXD ----------> 2 RxD
5 SGND -----------SGND ---------- 5 SGND
Cable Types and Specifications
