15PrecautionsContents This section contains the following topics:• "General precautions" (page 15)• "Circuit cards" (page 15)General precautionsCS 1000 equipment is based on solid state circuitry that is sensitive to staticelectricity and environmental conditions. Follow the precautions in thischapter to avoid personal injury and equipment damage.DANGERTo avoid the danger of electric shock, be careful when workingwith power equipment and connections. Warning notices aredisplayed and must be heeded.Wear an antistatic wrist strap when handling circuit cards to prevent damagecaused by static electricity.Circuit cardsHandle the circuit cards as follows:• Wear an antistatic wrist strap before handling circuit cards.• Handle the cards by the card stiffeners and edges only. Do not touch thecontacts or components.• Keep the cards installed in the system as much as possible to avoid dirtycontacts and unnecessary wear.• Set the cards on a protective antistatic bag. If an antistatic bag isnot available, hold the card, or set it in a card slot unseated from theconnectors.• Unpack or handle the cards away from electric motors, transformers,or similar machinery.Nortel Communication Server 1000Communication Server 1000E MaintenanceNN43041-700 01.02 StandardRelease 5.0 20 June 2007Copyright © 2007, Nortel Networks.
