This listing is for a LOT OF (10) Avago ABCU-5740ARZ 1000BASE-TTransceiver Optical Module. These items have been tested andare in good working condition. We’ll providea 60-day warranty. We do not provide any additionalsoftware or any other parts with this item unless expressly stated above. Whenapplicable any configuration, software, password issues as well ascompatibility for particular purposes are Buyer’s responsibility and are not coveredby "NO DOA" warranty.