Patent ID: 8856271

Claim:
A data accessing method used for customer premises equipment (CPE), the method comprising the following steps of: acquiring destination domain information; determining a gateway corresponding to the destination domain information according to a preset domain grouping table, wherein the domain grouping table is used to store a corresponding relationship between the destination domain information and the gateway; and accessing data through a modem mapped with the determined gateway; wherein before the step of acquiring the destination domain information, the method comprises the steps of: (i) respectively connecting a plurality of universal serial bus (USB) interfaces of the CPE to USB modems with different systems, wherein the different systems correspond to services provided by different operators; (ii) respectively mapping the USB modems to gateways; and wherein the step of respectively connecting a plurality of USB interfaces of the CPE to USB modems with different systems comprises the following steps of: acquiring type information and system information of the plurality of USB modems; respectively loading USB serial port drivers or USB network port drivers for the USB modems according to the type information; and respectively loading drive instruction sets for the USB modems according to the system information.