20090196621 | FIBER-OPTIC TO USB ETHERNET CONVERTER - A fiber-optic to USB Ethernet converter includes fiber-optic jacks for connecting to optical cables; a USB connecting end for plugging into a USB connector on a computer device; a USB-Ethernet converting module for converting USB serial electric signal format into Ethernet electric signal format and Ethernet electric signal format into USB serial electric signal format; an optical-electric signal converting circuit for converting the Ethernet electric signal format received from the USB-Ethernet converting module into an optical signal for sending out via one optical cable, and converting an optical signal received from one optical cable into the Ethernet electric signal format for sending back to the USB-Ethernet converting module; and a power supply detecting and converting module connected to first and fourth pins in the USB connecting end to acquire and convert +5V DC into 5V or 3.3V for use by the optical-electric signal converting circuit and the USB-Ethernet converting module. | 08-06-2009 |