Cisco 12016 Manuale di istruzioni per la sostituzione - Pagina 7

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Required Tools and Equipment

The following tools and equipment are required to remove and install the chassis:

•

Removing and Installing the Chassis

The router chassis is an integrated, sheet-metal assembly that includes the upper blower module bay, the

upper card cage, the switch fabric card cage and air filter door, the lower card cage, and the lower blower

module bay. (see

on each side) that fasten the chassis rack-mounting flanges to the mounting flanges on the rack.

Because you are removing all the components (except the air filter) from the defective chassis and then

reinstalling them in the replacement chassis, the procedures that follow are based on these assumptions:

•

This approach has the advantage of protecting system components against damage by eliminating the

need to store them even temporarily outside their card cages. It also helps ensure that the physical

configuration of the router is maintained, because each transferred component is installed in the same

location in the replacement chassis that it occupied in the defective chassis.

78-16082-01

ESD-preventive wrist strap

1/4-inch (6.5-mm) and 3/16-inch (4.5-mm) flat-blade screwdrivers

Number 1 and number 2 Phillips screwdrivers

3/8-inch (10-mm) nutdriver (for systems equipped with the DC-input power shelf)

9/16-inch (14-mm) wrench (for chassis hold-down bolts and pallet hold-down bracket bolts)

3/4-inch (19-mm) socket and ratchet wrench

A spare router scissor-jack platform (for use in removing the defective chassis from the equipment

rack)

Safety hand truck with retractable safety leg wheels and security strap, such as the

Stevens Appliance Truck Company "Escort," Model STEV SRT-M-66 (distributed by

McMaster-Carr as Model 2654T6), or an equivalent safety hand truck.

Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide

Regulatory Compliance and Safety Information for the Cisco 12000 Series Internet Router

Figure 1 on page

The replacement chassis, mounted on its scissor-jack platform, is temporarily placed within reach

of the rack in which the defective chassis is installed, and is temporarily connected to the same

grounding system as the defective chassis.

A spare scissor-jack platform is available to remove the defective chassis from the equipment rack.

Components are transferred from the defective chassis to the replacement chassis.

The replacement chassis, with all the components now installed in it, is inserted into the equipment

rack in place of the defective chassis.

Cisco 12016, Cisco 12416, and Cisco 12816 Router Chassis Replacement Instructions

2.) The chassis is mounted in an equipment rack by ten screws (five

Removing and Installing the Chassis