... GuaranteeWe promise all the advertised optical transceivers are brand new with new components and parts and absolutely ... of compatible optical transceiver modules, including SFP, GBIC, SFP+, XENPAK, X2 , XFP, BIDI,CWDM,DWDM and other special transceiver modules. ... Avaya, D-link, Alcatel, Riverstone, Enterasys, Netgear, Nortel, Juniper, Ruijie, Zyxel, Huawei,etc. compatible 10g cisco cwdm sfp+ 80km