DWS 4026 How to Upgrade Firmware XMODEM

Requirements:

- PC / Laptop / MAC
- DWS-4026 Firmware – Download from our site – Click here 
- Terminal Emulator – Click here 
- RS232-USB – Console Cable

Once you have the above completed, please continue to “Environment Setup”

Environment Setup:

Step 1 – Open Tera Term and setup as follows:


 
Click to select “Serial” - (In our example, we have used COM3) – Check your environment to what COM port is used.


 
Select - Setup > Serial port…


 
Baud rate:
115200

Once selected as above, click “OK”

XMODEM Procedure:

Step 2 – Login to your switch


 
Once you have logged into the switch, enter the following command:

(DWS-4026) >enable

You will be asked for the password, enter this and hit enter key and you should have elevated permissions. Then enter the following commands:

(DWS-4026) #reload – this is to reboot system

Are you sure you would like to reset the system? (y/n) y

System will now restart!

1 - Start operational code.

2 - Start Boot Menu.

Select (1, 2):2 (Enter 2 for: Start Boot Menu)


 
[Boot Menu] 4 (Enter 4 for: Load new operation code using XMODEM)

XMODEM will commence the process, however you will need to search for the firmware that was downloaded prior to this step

Step 3 – Select the firmware file to transfer

File > Transfer > XMODEM > Send – Search for the firmware and click “OK” to begin the transfer…


 
Step 4 – Transfer in progress… this may take up to 30 minutes. Please wait for this to complete.
 










Step 5 – Storing Operation code in Flash…


 
Step 6 – Start Operation code…


 
[Boot Menu] 1 – Select 1 to reboot switch…


 
Step 7 – Firmware upgraded and ready to login

 

Step 8 – To confirm the firmware version enter the following commands:

(DWS-4026) >enable
Password: {enter your password}
(DWS-4026) #show version
Software Version............................... 4.3.0.3_B028

Or

(DWS-4026) #show bootvar

Images currently available on Flash
--------------------------------------------------------------------
 unit      active      backup     current-active        next-active
--------------------------------------------------------------------
    1  4.3.0.3_B028      <none>       4.3.0.3_B028       4.3.0.3_B028

(DWS-4026) #










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