What do I do if I forget the administrator password?
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JasonTsai
Posts: 104
Zyxel Employee
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NOTE: The following steps below will reset the configuration to default, please backup the configuration at all times.
For the smart manage devices GS1900 & GS1920 series, please push the "Reset" button for 10 seconds to restore the factory default settings.
The following figures show the front panel reset button of GS1900 series Switch.
Figure 1 Front Panel: GS1900-8
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Figure 2 Front Panel: GS1900-8HP
Revision A1
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Revision B1
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Figure 3 Front Panel: GS1900-10HP
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Figure 4 Front Panel: GS1900-16
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Figure 5 Front Panel: GS1900-24E
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Figure 6 Front Panel: GS1900-24
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Figure 7 Front Panel: GS1900-24HP
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Figure 8 Front Panel: GS1900-48
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Figure 9 Front Panel: GS1900-48HP
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The following figures show the side panels reset button of GS1920 series Switch.
Figure 10 Side Panel: GS1920-48
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Figure 11 Side Panel: GS1920-24, GS1920-24HP & GS1920-48HP
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For the layer 2 and layer 3 managed switch please refer to the following steps:
1. Connect to http://www.zyxel.com/support/download_landing.shtml and download the firmware file of the device.
2. Connect a console cable to the switch.
3. Open Tera term software through the operating system.
4. Power up the switch then enters debug mode.
Figure 12 Debug mode
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5. Input the command "atlc" to upload ROM file.
Figure 13
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6. Browse and choose the ROM file in the firmware file then upload the ROM.
Figure 14 File > Transfer > XMODEM > Send
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7. After the ROM file is successfully uploaded then input the command "atgo" to continuously boot up the device.
Please remember that the baud rate will be changed to 9600.
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8. The device is ready to use. Username: admin. Password: 1234.
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Jason
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