MAX-700B/C/D series, MAX-FIP, MAX-900 series, MAX-5205

EXFO’s MAX series optical units are renowned for their reliability and advanced features in fiber optic testing and measurement. However, like any sophisticated electronic equipment, they can occasionally encounter system errors, software corruption, or operational anomalies requiring a recovery procedure. Performing a recovery is essential to restore the device to a stable and functional state, ensuring uninterrupted operations in the field.

This guide provides a comprehensive, step-by-step approach to performing a recovery on a MAX optical unit. Whether you are a field technician, network engineer, or a support specialist, following these steps will help you safely and effectively recover your device.

Preparing for Recovery

Prior to initiating recovery, take the following precautions:

• Backup Data: If possible, back up all test results, configurations, and user files. Recovery may erase data.
• Power Supply: Ensure the unit is connected to a reliable power source using the AC adapter charger.
• Documentation: Have the user manual and recovery instructions from EXFO available for reference.
• Do not turn off your unit while the recovery is underway. Doing so may severely damage your unit. Damaged units will need to be sent back to EXFO for repair.

Recovery Method

Follow these steps.

IMPORTANT : The recovery operation cannot be undone or stopped once it is started. If you have installed software updates on your unit, you will have to reinstall them afterwards.

• Power off the unit completely.
• Press and hold simultaneously to display the maintenance and recovery menu.
• Select Start recovery procedure and confirm your choice.

• Select Start and confirm your choice to proceed with the recovery operation. The operation may take a few minutes. The unit will restart upon completion of the process.

Troubleshooting Common Issues

During recovery, you may encounter obstacles. Consider these troubleshooting tips:

• Firmware Update Fails: Confirm the firmware version matches your model and retry.
• Device Not Recognized by Software: Use official cables, ensure drivers are installed, and test different USB ports.
• Persistent Errors: Contact EXFO technical support for advanced assistance.

Preventative Measures

To minimize the need for future recovery operations:

• Keep firmware and software updated with official releases from EXFO.
• Regularly back up important test results and configurations.
• Follow manufacturer guidelines for device usage and storage.
• Perform routine diagnostics to catch minor issues early.

For further assistance, visit the EXFO support portal or contact our technical service team.