D-Link HTB-3100A Fiber Optic Media Converter is a 10/100M Singlemode Single Fiber Converter is the conversion equipment of Ethernet optical-electronic signals between 10/100M UTP interface (TX) and 100M Fiber interface (FX). The traditional 10/100M Fast Ethernet can be extended to the distance of 90km through a Single Optical Fiber link. The performance and quality of the products are excellent because of adopting the latest IC from Taiwan. It must be used in couples because the transmitted optical differs from the received optical in wavelength. 6 Group LED indicated lights could fully monitor the working conditions of Converters. It is easy for end-users to observe the conditions of the network. This product is specially designed for network end-users. The transmission of a channel optical signal can be completed by a single fiber. It has doubled in the quantity of fiber data transmission compared with the twin fiber type. The auto-negotiation function allows the UTP port to auto select 10M or 100M and Full Duplex or Half Duplex. UTP port supports MDI / MDI-X auto crossover with Supporting flow control, 1552 Byte packet. It also has an internal circuit of prevented thunder could greatly reduce the damage to the converter caused by thunderbolt induction. Design of internal or external power supply for selection by users. D-Link HTB-3100A Fiber Optic Media Converter (Single Unit) offers No warranty.