Can UIS1400-S9 USB port to be used for USB WAN Modem?
No, UIS1400-S9 USB port is only provided for USB printer sharing function, not supporting USB WAN Modem. In the Router_CD, maybe you could find: QIG_Router.pdf QIG_USBRouter.pdf UM_Router.pdf UM_USBRouter.pdf Please use non-USB file for your proper reference. USB WAN Modem is another model which is not covered in UIS1400-S9.