You can use CLI commands to upload an upgrade file from a USB mass storage device to the Branch Gateway. You must use the specific path to the file on the USB mass storage device.
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Use the copy usb module command, followed by the slot number of the module you want to upgrade, to upgrade the firmware on a media module from a USB mass storage device
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Use the copy usb SW_imageA command to upgrade the Branch Gateway firmware into Bank A from a USB mass storage device
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Use the copy usb SW_imageB command to upgrade the Branch Gateway firmware into Bank B from a USB mass storage device