Change History; Firmware Upgrade - ZyXEL Communications GS1920-48HP Release Note/Manual Supplement

Change History:

V4.50(AAxx.2) | 02/27/2018

V4.30(AAxx.0) | 09/16/2015

V4.10(AAxx.0) | 12/25/2013


Firmware Upgrade:

The GS1920 series use FTP to upgrade firmware in run-time through its built-in FTP server.
You can use any FTP client (for example,
The upgrade procedure is as follows:
C:\> ftp <GS1920 series IP address>
User : admin
Password: 1234
230 Logged in
ftp> put 450AAxx1C0.bin ras-0
ftp> bye
Where
 User name: the management user name, admin by default.
 Password: the management password, 1234 by default.
 450AAxx1C0.bin: the name of firmware file you want to upgrade.
 ras-0: the internal firmware name in GS1920 series (store at first flash).
 ras-1: the internal firmware name in GS1920 series (store at second flash).
ftp.exe in Windows) to upgrade GS1920 series.
www.zyxel.com
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