Fiber SC-type dual-wavelength single-mode port connects over distances of up to 20 km (12.4 miles) Must be used with Fast Ethernet WDM Bi-Directional Single Mode Media Converter, model 510530 Data transfer rate: 100 Mbps WDM (wavelength division multiplexing) technology utilizes only one strand of fiber to transmit data on separate receive and transmit wavelengths Wavelengths: receive (RX), 1550 nm; transmit (TX), 1310 nm 10/100Base-TX RJ45 port, maximum distance 100 m / 300 ft. (Cat5e and better) RJ45 port with Auto MDI/MDI-X support 100Base-FX single-mode fiber SC port Status LEDs for easy monitoring of device status Supports jumbo frames up to 1.6 KBytes Functions as a stand-alone converter or can be used with the 14-slot Media Converter Chassis, model 507356 External power adapter, 5 VDC Fully NDAA-compliant Three-Year Warranty