This listing is for a LOT OF (2) Cisco SFP-10G-LRM 10-2456-0310GBase-LRM SFP+ Transceiver. These items have been tested andare in good working condition. We’llprovide a 60-day warranty. We do notprovide any additional software or any other parts with this item unlessexpressly stated above. When applicable any configuration, software, passwordissues as well as compatibility for particular purposes are Buyer’sresponsibility and are not covered by \"NO DOA\" warranty.