Chapter 2 Preparing for Installation
Safety Guidelines
Lifting Guidelines
A fully configured router can weigh as much as 275 pounds (lb)
(124.74 kilograms (kg)), while an empty chassis weighs 125 lb (56.7 kg). These systems are not intended to be moved frequently. Before you install the router, ensure that your site is properly prepared so you can avoid having to move the router later to accommodate power sources and network connections.
Use the following lifting guidelines to avoid injury to yourself or damage to the equipment:
•Do not lift equipment alone; have another person help you to lift heavy equipment.
•Ensure that your footing is solid; balance the weight of the object between your feet.
•Lift the equipment slowly; never move suddenly or twist your body as you lift.
•Keep your back straight and lift with your legs, not your back. When bending down to lift equipment, bend at the knees (not at the waist), to reduce the strain on your lower back muscles.
Caution To prevent equipment damage, never attempt to lift or tilt the router chassis using the handles on the blower module or on line cards. These handles do not support the weight of the chassis.
Laser Safety
Some line cards are equipped with ports that can emit hazardous laser radiation from the aperture when there is no cable connected to the port. This invisible radiation can cause eye injury if you stare into the port.
Warning To avoid eye injury, never stare into open line card ports.
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