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Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
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Chapter 2 Preparing the Cisco uBR7225VXR Router for Installation
Safety Recommendations
Figure 2-1 Lifting the Chassis (Cisco uBR7246 Router Shown)
Warning
Two people are required to lift the chassis. Grasp the chassis underneath the lower edge and lift with
both hands. To prevent injury, keep your back straight and lift with your legs, not your back. To prevent
damage to the chassis and components, never attempt to lift the chassis with the handles on the
power supplies or on the interface processors, or by the plastic panels on the front of the chassis.
These handles were not designed to support the weight of the chassis.
Statement 5
Safety with Electricity
Follow these basic guidelines when working with any electrical equipment:
• Before beginning any procedures requiring access to the chassis interior, locate the emergency
power-off switch for the room in which you are working.
• Carefully examine your work area for possible hazards such as moist floors, ungrounded power
extension cables, and missing safety grounds.
• Disconnect all power and external cables before installing or removing a chassis.
• 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.
• Do not work alone if potentially hazardous conditions exist.
• Never install equipment that appears damaged.
Caution You must power down the system before removing or replacing the network processing engine. The cable
interface line cards and redundant power supplies are designed to be removed and replaced while the
system is operating, without presenting an electrical hazard or damage to the system.
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