Safety Guidelines

Before you install your appliance, review the safety guidelines in this appendix to avoid injuring yourself or damaging the equipment.

In addition, before replacing, configuring, or maintaining the appliance, review the safety warnings listed in the Regulatory Compliance and Safety Information document.

General Precautions

Observe the following general precautions for using and working with your appliance:

  • Observe and follow service markings. Do not service any Cisco product except as explained in your appliance documentation. Opening or removing covers that are marked with the triangular symbol with a lightning bolt might expose you to electrical shock. Components inside these compartments should be serviced only by an authorized service technician.
  • If any of the following conditions occur, unplug the product from the electrical outlet and replace the part or contact your authorized service provider:

– The power cable, extension cord, or plug is damaged.

– An object has fallen into the product.

– The product has been exposed to water.

– The product has been dropped or damaged.

– The product does not operate correctly when you follow the operating instructions.

  • Keep your appliance away from radiators and heat sources. Also, do not block cooling vents.
  • Do not spill food or liquids on your appliance, and never operate the product in a wet environment.
  • Do not push any objects into the openings of your appliance. Doing so can cause fire or electric shock by shorting out interior components.
  • Use the product only with other equipment approved by Cisco.
  • Allow the product to cool before removing covers or touching internal components.
  • Use the correct external power source. Operate the product only from the type of power source indicated on the electrical ratings label. If you are not sure of the type of power source required, consult your service representative or local power company.
  • Use only approved power cables. If you have not been provided with a power cable for your appliance or for any AC-powered option intended for your appliance, purchase a power cable that is approved for use in your country. The power cable must be rated for the product and for the voltage and current marked on the product’s electrical ratings label. The voltage and current rating of the cable should be greater than the ratings marked on the product.
  • To help prevent electric shock, plug the appliance and power cables into properly grounded electrical outlets. These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. If you must use an extension cord, use a three-wire cord with properly grounded plugs.
  • Observe extension cord and power strip ratings. Make sure that the total ampere rating of all products plugged into the extension cord or power strip does not exceed 80 percent of the extension cord or power strip ampere ratings limit.
  • Do not use appliance or voltage converters or kits sold for appliances with your product.
  • To help protect your appliance from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply (UPS).
  • Position cables and power cords carefully; route cables and the power cord and plug so that they cannot be stepped on or tripped over. Be sure that nothing rests on your appliance cables or power cord.
  • Do not modify power cables or plugs. Consult a licensed electrician or your power company for site modifications. Always follow your local or national wiring rules.

Safety with Equipment

The following guidelines will help ensure your safety and protect the equipment. However, this list does not include all potentially hazardous situations, so be alert.

Warning Read the installation instructions before connecting the system to the power source. Statement 1004

  • Always disconnect all power cords and interface cables before moving the appliance.
  • Never assume that power is disconnected from a circuit; always check.
  • Keep the appliance chassis area clear and dust-free before and after installation.
  • Keep tools and assembly components away from walk areas where you or others could fall over them.
  • Do not work alone if potentially hazardous conditions exist.
  • Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
  • Do not wear loose clothing that might get caught in the appliance chassis.
  • Wear safety glasses when working under conditions that might be hazardous to your eyes.

Safety with Electricity

Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security.
Statement 1017

Warning To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors. Use caution when connecting cables. Statement 1021

Warning Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is off and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected. Statement 4

Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Statement 43

Warning Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect the power at the circuit breaker on DC units. Statement 12

Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001

Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024

Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Follow these guidelines when working on equipment powered by electricity:

  • Locate the room’s emergency power-off switch. Then, if an electrical accident occurs, you can quickly turn off the power.
  • Disconnect all power before doing the following:

– Working on or near power supplies

– Installing or removing an appliance

– Performing most hardware upgrades

  • Never install equipment that appears damaged.
  • Carefully examine your work area for possible hazards, such as moist floors, ungrounded power extension cables, and missing safety grounds.
  • Never assume that power is disconnected from a circuit; always check.
  • Never perform any action that creates a potential hazard to people or makes the equipment unsafe.
  • Never work alone when potentially hazardous conditions exist.
  • If an electrical accident occurs, proceed as follows:

– Use caution, and do not become a victim yourself.

– Turn off power to the appliance.

– If possible, send another person to get medical aid. Otherwise, determine the condition of the victim, and then call for help.

– Determine whether the person needs rescue breathing, external cardiac compressions, or other medical attention; then take appropriate action.

In addition, use the following guidelines when working with any equipment that is disconnected from a power source but still connected to telephone wiring or network cabling:

  • Never install telephone wiring during a lightning storm.
  • Never install telephone jacks in wet locations unless the jack is specifically designed for it.
  • Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at the network interface.
  • Use caution when installing or modifying telephone lines.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. ESD can occur when electronic printed circuit cards are improperly handled and can cause complete or intermittent failures. Always follow ESD-prevention procedures when removing and replacing modules:

  • When unpacking a static-sensitive component from its shipping carton, do not remove the component from the antistatic packing material until you are ready to install the component in your appliance. Just before unwrapping the antistatic packaging, be sure to discharge static electricity from your body.
  • When transporting a sensitive component, first place it in an antistatic container or packaging.
  • Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads and workbench pads.
  • Ensure that the appliance is electrically connected to earth ground.
  • Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. Connect the clip to an unpainted surface of the appliance to channel unwanted ESD voltages safely to ground. To guard against ESD damage and shocks, the wrist strap and cord must operate effectively.
  • If no wrist strap is available, ground yourself by touching a metal part of the appliance.
Caution For the safety of your equipment, periodically check the resistance value of the antistatic wrist strap. It should be between 1 and 10 Mohm.

Lifting Guidelines

The appliance weighs approximately 33 pounds. The appliance is not intended to be moved frequently. Before you install the appliance, ensure that your site is properly prepared so you can avoid having to move the appliance later to accommodate power sources and network connections.

Whenever you lift the appliance or any heavy object, follow these guidelines:

  • Always disconnect all external cables before lifting or moving the appliance.
  • Ensure that your footing is solid, and balance the weight of the object between your feet.
  • Lift the appliance slowly; never move suddenly or twist your body as you lift.
  • Keep your back straight and lift with your legs, not your back. If you must bend down to lift the appliance, bend at the knees, not at the waist, to reduce the strain on your lower back muscles.
  • Lift the appliance from the bottom; grasp the underside of the appliance exterior with both hands.