U
PGRADING
F
IRMWARE
VIA
THE
S
ERIAL
P
ORT
B-2
4. When the switch initialization screen appears, enter
firmware-download mode by pressing <Esc> immediately after
the diagnostic test results. Screen text similar to that shown
below displays:
5. Press <3> to change the baud rate of the switch’s serial
connection.
6. There are five baud rate settings available, 9600, 19200, 38400,
57600 and 115200. Using the highest baud rate minimizes the
time required to download firmware code files. Press <5> to
select the option for 115200 baud.
7. Set your PC’s terminal emulation software to match the 115200
baud rate. Press <Enter> to reset communications with the
switch.
8. Press <1> to start to download the new code file.
[1]Image Update
[2]System Parameters
[3]Change Baud rate
[4]Do all the following Test
[5]Testing the System SDRAM
[6]MPC 850 internal clock Timer and Interrupt Test
[7]WATCHDOG Timer and Interrupt Test
[8]ACD chip Test
[9]Switch Loopback Test
[G]oto System
ReB[O]ot Again
Enter Selection:
Enter Selection: 5
Change main console baudrate :
[0] Quit
[1] 9600 bps
[2] 19200 bps
[3] 38400 bps
[4] 57600 bps
[5] 115200 bps