Cisco速 XENPAK-10GB-LX4 compatible 10GBase-LX4 XENPAK transceiver (MMF, 1310nm, 300m, SC). A 100% Cisco速 compatible XENPAK transceiver that operates at 1310nm over multi-mode fiber, with a maximum reach of 300m connected via a SC connector. This Cisco速 XENPAK transceiver is 100% compliant with its designed networking application, and is factory programmed with Cisco速 specific configuration data required for seamless networking integration. This XENPAK transceiver will initialize and perform identically to Cisco's transceiver and is built to meet or exceed Cisco's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.