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Connecting to the Console Port
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 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.
Wiring Map for Serial Cable
Switch's 9-Pin
Serial Port
2 RXD (receive data)
3 TXD (transmit data)
5 SGND (signal ground) ------------------------------ 5 SGND (signal ground)
No other pins are used.
The serial port's configuration requirements are as follows:
• Default Baud rate—9,600 bps
• Character Size—8 Characters
• Parity—None
• Stop bit—One
• Data bits—8
Figure 3-7 Serial Port (DB-9 DTE) Pin-Out
Table 3-1 Serial Cable Wiring
Null Modem
<----------------------------
-----------------------------> 2 RXD (receive data)
Connecting to the Console Port
1
5
6
9
PC's 9-Pin
DTE Port
3 TXD (transmit data)
3
3-7
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