PrefaceLaser Safety InformationISR651101-00 D xviiVCCI Class A StatementThis is a Class A product based on the standard of the Voluntary Control CouncilFor Interference by Information Technology Equipment (VCCI). If this equipmentis used in a domestic environment, radio disturbance may arise. When suchtrouble occurs, the user may be required to take corrective actions.Laser Safety InformationThis product may use Class 1 laser optical transceivers to communicate over thefiber optic conductors. The U.S. Department of Health and Human Services(DHHS) does not consider Class 1 lasers to be hazardous. The InternationalElectrotechnical Commission (IEC) 825 Laser Safety Standard requires labeling inEnglish, German, Finnish, and French stating that the product uses Class 1lasers. Because it is impractical to label the transceivers, the following label isprovided in this manual.Electrostatic Discharge Sensitivity (ESDS)PrecautionsThe assemblies used in the switch chassis are ESD sensitive. Observe ESDhandling procedures when handling any assembly used in the switch chassis.