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103
Appendix
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 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
