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Performing a serial download 45
Serial upgrade of operating system firmware
procedure
To perform a serial upgrade of the switch operating system firmware image, usually named GbE2c-1-
10G_100.bin:
1. Using the null modem cable, connect the console port of the switch to the serial port of a PC that
supports XModem/1K XModem.
2. Start HyperTerminal (part of Microsoft Windows) or equivalent terminal emulation application
(depending on the computer operating system) and set the parameters for terminal emulation
console:
Parameter Value
Baud rate 9600
Data bits 8
Parity None
Stop bits 1
Flow control None
3. Power on the switch.
4. Hold down the Shift key and press the D key repeatedly during the Memory Test, until this message
appears: