The HSDL-5400 is a high speed differential linear (HSDL) optical transceiver module designed by Lite-On Technology Corporation. It is a small form factor transceiver that is used for transmitting and receiving digital data over optical fibers at speeds of up to 1.25 Gbps. The HSDL-5400 operates at wavelengths of 850nm and 1310nm, making it compatible with most multimode fiber connections. It features integrated advanced features such as connectorized LC duplex connectors, 65/125um core/cladding multimode optical fibers, and a receiver sensitivity of -17 dBm. This transceiver is compliant with RoHS, Telcordia GR-468-CORE, and the Extended HyperTransport™ Specifications. It is the perfect solution for data transmission in local area networks (LANs), wide area networks (WANs), metropolitan area networks (MANs), and Fiber-to-the-Home (FTTH) systems.