Select USB Memory, and ensure the USB
Device containing the Firmware file is
connected to the system.
Select the desired file and click ‘Execute’
1.2 System Firmware Download
There are several other methods available to Download the Firmware files; PC, USB, FTP and a PBX
Master system
Manual Download (2) - Download from USB
If a USB memory device is inserted into the PBX, the contents of the following directory
on the device will be checked for updated files: /private/meigroup/psn/ippbx/update