© National Instruments Corporation 2-1 NI PXI-1031/PXI-1031DC User Manual2Installation and ConfigurationThis chapter describes how to install, configure, and use the PXI-1031 andPXI-1031DC chassis.Before connecting the chassis to a power source, read this chapter and theRead Me First: Safety and Radio-Frequency Interference documentincluded with your chassis.Safety InformationCaution Before undertaking any troubleshooting, maintenance, or exploratory procedure,carefully read the following caution notices.This equipment contains voltage hazardous to human life and safety, and iscapable of inflicting personal injury.• Chassis Grounding—The chassis requires a connection from thepremise wire safety ground to the chassis ground. The earth safetyground must be connected during use of this equipment to minimizeshock hazards. Refer to the Connecting Safety Ground section forinstructions on connecting safety ground.• Live Circuits—Operating personnel and service personnel must notremove protective covers when operating or servicing the chassis.Adjustments and service to internal components must be undertakenby qualified service technicians. During service of this product,the mains connector to the premise wiring must be disconnected.Dangerous voltages may be present under certain conditions;use extreme caution.• Explosive Atmosphere—Do not operate the chassis in conditionswhere flammable gases are present. Under such conditions, thisequipment is unsafe and may ignite the gases or gas fumes.