What does the 'Y' and 'YL' mean?

Y and YL are two of the possible Hazard Class Codes that Sun is using to help manage our parts and systems.

Y - Based on present information and belief, this equipment/part number complies with the European Union RoHS Directive, 2002/95/EC, and amending and guidance documents, and does not contain any restricted substances above the homogeneous materials' maximum concentration values, except for selected exemptions allowed by law (EXCLUDING the exemption for lead in solders for servers, storage and storage array systems, network infrastructure equipment for switching, signaling, transmission as well as network management for telecommunications).

YL - Based on present information and belief, this equipment/part number complies with the European Union RoHS Directive, 2002/95/EC, and amending and guidance documents, and does not contain any restricted substances above the homogeneous materials' maximum concentration values, except for selected exemptions allowed by law (INCLUDING the exemption for lead in solders for servers, storage and storage array systems, network infrastructure equipment for switching, signaling, transmission as well as network management for telecommunications).