Transition Networks Single Mode To Multimode Transceiver save money by purchasing Fast Ethernet devices with lower cost multimode fiber interfaces and use converters to introduce single mode fiber only where you need it. Extend distances up to 20 km over single mode fiber with these network protocols that use 1300nm wavelength for fiber optic transmission. In fact, distances can be extended in any 155 Mbps networking protocol. For efficient encoding/decoding of data into light pulses and then sending them to the other end as electrical signals for a dependable photoelectric conversion Expand your network capabilities with this 2 transceiver/media converter With OC-3 technology get up to 155.52Mbps data transfer rate over optical fiber cable by service provider No hassle of internal installation, install externally