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How to Reset a VSOL OLT (Optical Line Terminal)?
To Reset a VSOL OLT , follow these simple steps

Locate the Reset Button:
Inspect the OLT device for a small button or pinhole labeled “Reset.” If you can’t find it, refer to your device manual for its exact location.
Press and Hold:
Use a pointed object (like a paperclip or pen tip) to press and hold the reset button for about 10–30 seconds.
Watch for indicator lights to flash or listen for a reset tone, which signals the reset process has started.
Release and Wait:
Release the button. The OLT will reboot and begin restoring factory settings.
Wait for the device to finish restarting; indicator lights will stabilize when the process is complete
If you cannot locate the reset button or need to perform a software-based reset, consult the VSOL OLT user manual or contact the manufacturer’s technical support for model-specific instructions.