ip Optics provide a wide range of optical transceivers compatible with all major networking manufacturers hardware. Because all of the major networking vendors are included on the MSA (Multi Source Agreement), our manufacturing process is based on the exacting standards of the Brand Vendors such as Cisco and Procurve. We manufacture like for like compatible GBIC's, SFP's, Xenpak, X2 and XFP modules all with current and upto date code, all fully supported and at fraction of the vendor originals cost. Ip Optics transceivers are made to the highest standards and carry limited lifetime warranty in addition to satisfaction guarantee and are not to be confused with cheap imitations or fakes, they are high quality guaranteed product.