Cisco ASR 903 Manuale di istruzioni

Installing the Cisco ASR 903 Router

This chapter describes how to install the Cisco ASR 903 Router.

•Prerequisites, page 1

•Installing the Router in a Rack, page 1

•Installing the Chassis Ground Connection, page 17

•Installing the Fan Tray, page 20

•RSP Installation, page 23

•Interface Module Installation, page 26

•Installing the Power Supply, page 31

•Connecting the Cisco ASR 903 Router to the Network, page 44

Prerequisites

Before installing the Cisco ASR 903 Router, it is important to prepare for the installation by:

•Preparing the site (site planning) and reviewing the installation plans or method of procedures (MOP)

•Unpacking and inspecting the Cisco ASR 903 Router

•Gathering the tools and test equipment required to properly install the Cisco ASR 903 Router

For more instructions on how to prepare for the installation of the Cisco ASR 903 Router, see Preparing for

Installation.

Installing the Router in a Rack

The following sections describe how to install the Cisco ASR 903 Router in a rack:

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Chassis Brackets

The chassis is shipped with mounting brackets that can be installed on the front or rear of the chassis. To

install the brackets on the front of the chassis, perform these steps:

Step 1 Remove the rack-mount brackets from the accessory kit and position them beside the router chassis. The figure below

hows how to attach the brackets on the Cisco ASR 903 Router for a 19-inch EIA rack.

Figure 1: Attaching Mounting Brackets for a 19-inch EIA Rack

The figure below shows how to attach the brackets on the Cisco ASR 903 Router for a 300 mm ETSI cabinet.

Figure 2: Attaching Mounting Brackets for a 300 mm ETSI Cabinet

Step 2 Position one of the brackets against the chassis side, and align the screw holes.

Step 3 Secure the bracket to the chassis with the screws removed when performing Step 1 . The recommended maximum torque

is 28 in.-lb (3.16 N-m).

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Chassis Brackets

The A903-FAN-E fan tray with filter (A903-FAN-F) cannot be mounted using the mounting screws that are supported

for A903-FAN fan tray. This is not an issue with the FAN tray filter blank panel (A903-FAN-F-B). We recommend that

you use the short screws provided in the following rack mount kits to avoid interference of the air filter during rack

mounting and while replacing the fan tray (A903-FAN) with the fan tray (A903-FAN-E):

•19”rack mount kit (A903-RCKMT-19IN)

•ETSI rack mount kit (A903-RCKMT-ETSI)

What to Do Next

Repeat Step 2 and Step 3 for the other bracket.

Installing the Router Chassis in the Rack

The procedures in this section apply to both horizontal and vertical mounting of the router in a rack.

To install the router chassis in the equipment rack, perform these steps:

Step 1 Position the chassis in the rack as follows:

•If the front of the chassis (front panel) is at the front of the rack, insert the rear of the chassis between the mounting

posts.

•If the rear of the chassis is at the front of the rack, insert the front of the chassis between the mounting posts.

Step 2 Align the mounting holes in the bracket (and optional cable guide) with the mounting holes in the equipment rack.

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

Do not use interface module and power supply ejector handles to lift the chassis; using the handles to lift the

chassis can deform or damage the handles.

Caution

Figure 3: Installing the Chassis in a 19-inch EIA Rack

Figure 4: Installing the Chassis to support the Japanese JIS Rack Standard

Figure 5: Installing the Chassis in a 300 mm ETSI Cabinet

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

Figure 6: Vertical Mounting Installation

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

During vertical installation of the router, ensure that the equipment is mounted only on concrete or other

non-combustible surfaces.

Note

Step 3 Install the 8 or 12 (4 or 6 per side) 12-24 x 3/4-inch or 10-32 x 3/4-inch screws through the holes in the bracket and into

the threaded holes in the equipment rack posts.

Step 4 Use a tape measure and level to verify that the chassis is installed straight and level.

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

Installing Plenum A903-F2B-AIR-U Assembly and Chassis in the Rack

Following steps help you to install the plenum assembly irrespective of the chassis and rack size.

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

The 19-inches bracket is an integral part of the plenum base. Ensure to select the 21-inches or 23-inches

adapter for your plenum based on your rack size.

Note

Figure 7: Different Adapters

Step 1 Position the air baffle and the side plate to the plenum. Secure the air baffle and the side plate using a maximum torque

of 11.5 in.-lb (1.3 N-m). See figure below.

Figure 8: Securing the Air Baffle Tray

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

Plenum base3Air baffle1

Secure screw to Plenum base4Side plate2

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

Step 2 Secure the air baffle using a maximum torque of 11.5 in.-lb (1.3 N-m). See figure below.

Figure 9: Securing the Side Plate

——

Securing side plate to

plenum base

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

Installing the Cisco ASR 903 Router

Installing the Router Chassis in the Rack

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