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.
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
Use the copy usb SW_imageA command to upgrade the Branch Gateway firmware into Bank A from a USB mass storage device
Use the copy usb SW_imageB command to upgrade the Branch Gateway firmware into Bank B from a USB mass storage device