Cisco Systems MGX 8260 User Manual

CHAPTER

2

Safety and Compliance

This chapter contains important safety guidelines and compliance information that you should read
before beginning installation of the MGX 8260 media gateway. For additional information, refer to

Appendix B, “System Specifications”.

Warning

The MGX 8260 is intended for installation in restricted access areas. Only trained and qualified
personnel should be allowed to install or replace this equipment.

General Safety Recommendations

Follow these guidelines to help ensure your safety and protect the equipment.

• Install the MGX 8260 in compliance with national and local electrical codes. In the United States,

the relevant code is National Fire Protection Association (NFPA) 70, United States National
Electrical Code. In Canada, it is Canadian Electrical Code, part I, CC22.1. In other countries, you
should observe the standards of the International Electrotechnical Commission (IEC) 364, Parts 1
through 7.

• Never attempt to lift an object that is too heavy for one person to lift alone.

• Always switch all power supplies off and disconnect all power cables before opening, installing, or

removing a Cisco hardware shelf.

• Keep the area clear and dust free during and after installation.

• Keep tools and chassis components away from walk areas.

• Do not wear loose clothing, jewelry (including rings and chains), or other items that could become

trapped in the chassis. Fasten your tie or scarf and roll up your sleeves.

• Be sure to operate the MGX 8260 in accordance with its marked electrical ratings and product usage

instructions to guarantee safe operation.

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Cisco MGX 8260 Hardware Installation Guide

2-1

Moving the Chassis

Moving the Chassis

Review the following warnings before attempting installation of the MGX 8260.

Chapter 2 Safety and Compliance

Warning

Warning

Warning

Make sure that your rack is bolted to the floorbefore beginning installation of the MGX 8260 into
the rack.

Never attempt to lift a chassis by yourself. The size and weight of a chassis requires two people
to lift and move it safely without causing injury or damaging the equipment. Ensure that your
footing is solid, and balance the weight of the chassis between your feet. Lift the chassis 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 chassis, bend at the knees, not at the waist, to
reduce the strain on your lower back muscles. Always disconnect all external cables before
lifting or moving the chassis.

To prevent bodily injury when mounting or servicing this unit in a rack, mount the MGX 8260 at the
bottom of the rack if the rack will include only one MGX 8260 node. If mounting the MGX 8260 in a
partially filled rack, load the rack from the bottom to the top with the heaviest component at the
bottom of the rack. If the rack is provided with stabilizing devices, install the stabilizers before
mounting or servicing the MGX 8260 in the rack.

Electrical Safety Warnings

Follow these basic guidelines when working with any electrical equipment:

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

beginning any procedure that requires access to the chassis interior.

• Do not work alone when potentially hazardous conditions exist.

• Never assume that power has been disconnected from a circuit; always check.

• Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.

• 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.

In addition, followthese guidelines when working with anyequipmentthat is disconnected from a power
source, but is still connected to telephone wiring or other network cabling.

• Never install telephone wiring during a lightning storm.

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

disconnected at the network interface.

• Use caution when installing or modifying telephone lines.

2-2

Warning

Cisco MGX 8260 Hardware Installation Guide

Only a DCpowersourcethatcomplieswiththesafetyextralowvoltage(SELV)requirements of UL
1950, CSA C22.2 No. 950-95, EN 60950, and IEC 60950 can be connected to an MGX 8260.

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