Para a série 2400, pode funcionar para outros modelos.
In the event that a user changes a password and forgets it, the password can be reinitialized.
To reset factory defaults
Connect the serial port to a PC/workstation using a standard serial cable with a DB9 connector.
Establish a connection to the shell.
The prompt is displayed as switchName:userName>
For example: sw4:admin>
3 . Enter the configDefault command.
documento em PDF para o 2400, consulte a página 21
PDF para o 3200 Conta e senha padrão é admin > senha