Allnet® ALL4753 Compatible 1000Base-LH SFP Transceiver (SMF, 1310nm, 40km, LC). An Allnet® SFP transceiver that operates at 1310nm over single-mode fiber, with a maximum reach of 40km connected via a LC connector. This Allnet® compatible SFP transceiver has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our SFP transceiver will initialize and perform identically to Allnet's transceiver and is built to meet or exceed Allnet'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.