root@OpenWrtv2:/tmp# fowsr
00414784 | 20 00 00 00 __ __ __ __ __ __ __ __ __ __ __ __ | ....
usb_set_debug: Setting debugging level to 255 (on)
usb_os_find_busses: Found 002
usb_os_find_busses: Found 001
usb_os_find_devices: Found 001 on 002
usb_os_find_devices: Found 005 on 001
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: Found 002 on 001
usb_os_find_devices: Found 001 on 001
error obtaining child information: Inappropriate ioctl for device
fowsr: fowsr.c: 95: CUSB_Open: Assertion `dev' failed.
Does it means that RMS300 is not compatible?