Huawei® 0231A321 compatible 1000Base-ZX SFP transceiver (SMF, 1550nm, 120km, LC). A 100% Huawei® compatible SFP transceiver that operates at 1550nm over single-mode fiber, with a maximum reach of 120km connected via a LC connector. This Huawei® SFP transceiver is 100% compliant with its designed networking application, and is factory programmed with Huawei® specific configuration data required for seamless networking integration. This SFP transceiver will initialize and perform identically to Huawei's transceiver and is built to meet or exceed Huawei'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.