Cisco IE2100, 0L-1570-01 User Manual

Safety

CHAPTER

Preparing for Installation

This chapter describes the safety instructions and site requirements needed for installing the IE2100 Series device and guides you through installation preparation. It contains information about:

• Safety

• Preparing Your Site for Installation

• Rack-Mounting the System

• Required Tools and Equipment

This section provides safety information for installing this product.

Warnings and Cautions

Note Read the installation instructions in “Installing and Configuring the IE2100 Series” before you

connect the system to its power source because you must be extremely careful when installing electrical devices. Failure to read and follow these guidelines could lead to an unsuccessful installation and possible damage to the system and components.

You should observe the following safety guidelines when working with any equipment that connects to electrical power or telephone wiring. They can help you avoid injuring yourself and damaging the IE2100 Series.

The following warnings and cautions are provided to help you prevent damage to the devices or injury to yourself:

Warning

The safety cover is an integral part of the product. Do notoperate theunitwithoutthesafetycover installed. Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and electrical hazards.

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Safety

Chapter 2 Preparing for Installation

Warning

Never defeat thegroundconductororoperatetheequipmentintheabsenceofasuitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available.

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.

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

This product relies on the building’s installation for short-circuit (overcurrent) protection. Make sure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. and 240 VAC, 10A international are used on the phase conductors (all current-carrying conductors).

This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use.

Warning

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

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.

Ultimate disposal of this product should be handled according to all national laws and regulations.

Before working on a system that has an On/Off switch, turn OFF the power and unplug the power cord.

Read the installation instructions before you connect the system to its power source.

The device is designed to work with TN power systems.

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Chapter 2 Preparing for Installation

Safety

Warning

The ports labeled “10BaseT”, “100BaseTX”, and “10/100” are safety extra-low voltage (SELV) circuits. SELV circuits should only be connected to other SELV circuits. Avoid connecting these circuits to telephone network voltage (TNV) circuits.

Warning

There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions.

Working with Electricity

Follow these guidelines when working on electrical equipment:

• Locate the emergency power-off switch for the room in which you are working. If an electrical

accident occurs, you can act quickly to turn off the system.

• Disconnect all power by powering off the system and unplugging the power cord before:

–

Installing or removing a chassis

–

Working near power supplies

• Do not work alone if potentially hazardous conditions exist.

• Never assume that power is disconnected from a circuit; always check the circuit.

• Look carefully for possible hazards in your work area, such as moist floors, underground power

extension cables, frayed power cords, and missing safety grounds

• If an electrical accident occurs:

–

Use caution: do not become a victim yourself.

–

Power off the system.

–

If possible, send another person to get medical aid. Otherwise, assess the victim’s condition, then call for help.

–

Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate action.

• Disconnect all power and external cables before installing or removing a chassis.

• Never install equipment that appears damaged.

• Never install telephone wiring during a lightning storm.

• Never install telephone jacks in wet locations unless the jack is specifically designed for wet

locations.

• Never touch uninsulated telephone wires or terminals unless the telephone line has been

disconnected at the network interface.

• Always use caution when installing or modifying telephone lines.

• Never perform any action that creates a potential hazard to people or makes the equipment unsafe.

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Preparing Your Site for Installation

Preventing Damage from Electrostatic Discharge

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. ESD damage occurs when electronic components are handled improperly and can result in complete or intermittent failures.

• Always follow ESD-prevention procedures when removing and replacing components. Verify that

the chassis is electrically connected to earth ground. Wear an ESD-preventive wrist strap, making sure that it makes good skin contact. Connect the grounding clip to an unpainted surface of the chassis frame to safely ground ESD voltages. To properly guard against ESD damage and shocks, the wrist strap and cord must operate effectively. If no wrist strap is available, ground yourself by touching the metal part of the chassis.

• Periodically check the resistance value of the antistatic strap, which should be between 1 and 10

Mohms.

Preventing EMI

When you run wires for anysignificantdistance in an electromagnetic field,electromagnetic interference (EMI) can occur between the field and the signals on the wires.

Note that:

• Bad plant wiring can result in radio frequency interference (RFI).

• Strong EMI, especially when it is caused by lightning or radio transmitters, can destroy the signal

drivers and receivers in the system, and can even create an electrical hazard by conducting power surges through lines and into the system.

To predict and remedy strong EMI, consult RFI experts.

Chapter 2 Preparing for Installation

Covering Empty Slots

Ensure that all cards, faceplates, and covers are in place. Blank faceplates and cover panels are used to:

• Prevent exposure to voltages and currents inside the chassis.

• Help contain electromagnetic interference (EMI) that might disrupt other equipment.

• Direct the flow of cooling air through the chassis.

Preparing Your Site for Installation

Make sure your site is prepared properly before beginning installation.

Environmental

When planning your site layout and equipment locations, keep in mind the precautions described in this section to help avoid equipment failures and reduce the possibility of environmentally caused shutdowns. If you are currently experiencing shutdowns or unusually high errors with your existing equipment, these precautions will help you isolate the cause of failures and prevent future problems.

Use the following precautions when planning the operating environment for your IE2100 Series.

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