Cisco 10005 ESR Manuale utente

CHAPTER

3-1

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Maintaining the Cisco 10005 ESR

The Cisco 10005 ESR is configured to your order and ready for installation when

it arrives. After you install the system, you may have to perform specific

maintenance procedures to ensure the router operates properly. These routine

procedures include replacing the filter, upgrading system components, or

replacing field replaceable units (FRUs). This chapter contains the information

necessary to perform that maintenance for the Cisco 10005 ESR.

Note Detailed instructions are also shipped with FRUs and upgrade kits.

System components fall into two categories: hot swappable components that do

not require you to power off the system before replacing them, and those

components that do require you to power off the system before you replace them.

For example, all line cards are hot-swappable and can be replaced without

powering off the system, but you must power off the system before replacing a

single power module or a single Performance Routing Engine (PRE).

Note To prevent alarms from activating, you must administratively shut down a line

card before hot swapping it.

Chapter 3 Maintaining the Cisco 10005 ESR

3-2

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Spare Parts

Service providers usually draw on their own experience with similar equipment

as they try to determine the number of spare parts of a given item to keep on hand.

In developing a strategy for spare parts, the service providers must

•Evaluate the criticality of the equipment.

•Estimate the mean time between failures, a key component of any spares

strategy.

•Calculate the number of production routers (and associated components) they

need to have on hand. For example, if they have the critical mass to shift

capacity to other locations or other devices, they may be able to carry fewer

spares.

Service providers may also subscribe to services that supply them with

replacement parts, sometimes with turnaround times as short as 4 hours.

Situational Analysis

38546

3-3

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Chapter 3 Maintaining the Cisco 10005 ESR

Redundancy

Service providers trying to decide on the level of redundancy appropriate for their

operations must examine their business models. The service provider invests more

heavily in high network reliability if the business model

•Calls for protected services

•Provides customer service-level agreements

•Accommodates customers that require a high degree of reliability

•Emphasizes overall reliability as opposed to cost

In addition, the service provider discusses the situation with the supplier to

identify those software and hardware features likely to experience the most stress

and thus to have the shortest mean time between failures. The point is to

determine, not just whether or not redundancy is to be used, but also the quantity

to be used (1:1, 2:1, or greater).

Some service providers have redundant chassis, but not redundant routing

engines. This approach gives them increased flexibility, so that they can provide

reliable service and accommodate a growing number of customers. Customers

requiring the highest levels of network reliability and availability often add

redundancy by connecting to two different service providers.

Situational Analysis

38546

Chapter 3 Maintaining the Cisco 10005 ESR

Required Maintenance Tools

3-4

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Required Maintenance Tools

The tools required to perform the maintenance procedures described in this

chapter are:

•A Number 2 Phillips screwdriver

•A flat-blade screwdriver

•An electrostatic discharge (ESD) grounding strap

Backing Up the PCMCIA Flash Memory Card

Cisco recommends that you create a duplicate PCMCIA card that contains the

current boot software image and the current software configuration. You can use

the backup card to quickly recover from a major system failure. You can also use

a backup card to load a new PRE module and avoid the time-consuming

reconfiguration process. For instructions to create a backup PCMCIA card, refer

to the Cisco 10000 Series ESR Software Configuration Guide.

Formatting Flash Memory Cards and Disks

The Flash memory disk card that shipped with your router contains the default

Cisco IOS image for booting your router. This section explains how to format an

ATA f l a s h d i s k .

Caution The formatting procedure erases all information on Flash memory disks or cards.

Flash memory ATA disks and Flash memory cards use similar commands. The

primary syntax change is that disk0: or disk1: refers to Flash memory ATA disks

while slot0: or slot1: refers to Flash memory cards.

To format a Flash memory disk:

Step 1 Ensure there is a Flash memory disk in PCMCIA slot 0 or slot 1 of the PRE.

Step 2 To format the disk, enter the format diskn:command at the privileged EXEC

mode prompt.

3-5

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Chapter 3 Maintaining the Cisco 10005 ESR

Shutting Down the System

The following example shows the expected output after you enter the format

disk0: command:

Router# format disk0:

All sectors will be erased, proceed? [confirm]

Enter volume id (up to 30 characters): MyNewdisk

Formatting sector 1

Format device slot0 completed

Router#

The Flash memory disk is now ready for use.

Shutting Down the System

Although most components in the Cisco 10005 ESR are hot-swappable, you

might have to shut down the system under certain circumstances—for example, if

you are replacing the only power module or the only PRE in a nonredundant

system.

To shut down the system:

Step 1 Notify appropriate personnel that you plan to shut down the system and that a

shutdown results in loss of service. Appropriate personnel includes the regional

alarm or network monitoring center, central office personnel, and customers.

Step 2 Before you shut down the router, use the copy command to save any configuration

changes to NVRAM, and also, if you wish, to a PCMCIA Flash card. (See the

Cisco 10000 Series ESR Software Configuration Guide for instructions about

using the copy command.)

Step 3 Power down the system by setting the switches on all power modules to the 0 (off)

or standby position. (Your system can have one or two power modules.)

Warning

Before you work on a system that has a standby/off switch, turn off the power

by pressing the power switch to standby and unplugging the power cord.

Chapter 3 Maintaining the Cisco 10005 ESR

Removing and Replacing Field-Replaceable Units

3-6

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Removing and Replacing Field-Replaceable Units

This section contains procedures to remove and replace all of the field replaceable

units (FRUs) for the Cisco 10005 ESR.

Replacing the Air Filter

If the air filter is dirty or clogged, the fan assembly might not be able to provide

sufficient cooling air flow through the chassis, causing the system to overheat. To

prevent an overheating problem, replace the air filter every 6 months. In dirty or

dusty environments, replace the filter more frequently.

Note If you want to reuse the air filter, use a vacuum cleaner to remove the dust.

The air filter is accessible from the rear of the chassis. It occupies a vertical slot

on the left side of the chassis.

To replace the air filter:

Step 1 Use a flat blade screwdriver to turn the cam fastener on the air filter cover one half

of a rotation (180 degrees) (Figure 3-1).

3-7

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Chapter 3 Maintaining the Cisco 10005 ESR

Removing and Replacing Field-Replaceable Units

Figure 3-1 Loosening the Air Filter Cover

Step 2 Using the handle at the top of the cover, pull the cover down, then lift it away from

the chassis (Figure 3-2).

53832

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

POWER

FAULT

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLY CORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

100-240V

50/60HZ

15-7A

100-240V

50/60HZ

15-7A

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

POWER

FAULT

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLY CORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

100-240V

50/60HZ

15-7A

100-240V

50/60HZ

15-7A

Cam fastener

RX TX

RX T

RX TX

Chapter 3 Maintaining the Cisco 10005 ESR

Removing and Replacing Field-Replaceable Units

3-8

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Figure 3-2 Removing the Air Filter Cover

Step 3 Grasp the plastic tab on the frame of the air filter and pull the filter out of the

chassis (Figure 3-3).

Figure 3-3 Removing and Replacing the Air Filter

Step 4 Insert the new or cleaned air filter into the chassis in such a way that the arrow on

the metal filter frame is pointing up and the plastic pull tab is facing outward.

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

POWER

FAULT

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

100-240V

50/60HZ

15-7A

100-240V

50/60HZ

15-7A

53833

Cam fastener

Air filter cover

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

POWER

FAULT

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

100-240V

50/60HZ

15-7A

53842

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

100-240V

50/60HZ

15-7A

Air filter

Plastic

pull tab

3-9

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Chapter 3 Maintaining the Cisco 10005 ESR

Removing and Replacing Field-Replaceable Units

Step 5 To replace the filter cover, insert the tab on the bottom of the cover into the slot at

the bottom of the air filter compartment. Pivot the cover up into place.

Step 6 Turn the cam fastener ½ of a rotation (180 degrees) to secure the filter to the

chassis.

Replacing the Fan Assembly

The fan assembly supports hot-swapping (for up to 2 minutes) and can be replaced

without interruption to system operation.

The fan assembly is accessible from the rear of the chassis. It occupies a vertical

slot on the right side of the unit.

Caution To prevent the system from overheating, be sure that the replacement fan

assembly is out of its box and packaging, so it is ready to install as soon as the

defective module is removed.

To replace the fan assembly:

Step 1 Move any interface cables away from the fan assembly.

Step 2 Loosen the captive screw on the fan assembly and slide the assembly out of the

chassis (Figure 3-4).

Warning

The fans might still be turning when you remove the fan assembly from the

chassis. Keep fingers, screwdrivers, and other objects away from the openings

in the fan assembly’s housing.

Chapter 3 Maintaining the Cisco 10005 ESR

Removing and Replacing Field-Replaceable Units

3-10

Cisco 10005 ESR Hardware Overview and Maintenance Guide

OL-1102-07

Figure 3-4 Removing or Installing the Fan Assembly

Step 3 Slide the new fan assembly into the chassis, being sure it makes a secure

connection to the midplane.

•If the fan assembly is operating properly, its LED turns green and the fans

start to turn.

•If the LED turns red, try reseating the fan assembly.

Step 4 Tighten the captive screw to secure the fan assembly to the chassis.

Step 5 Rerun all interface cables through the cable management bracket.

Installing Power Entry Modules

This section contains the procedures to install or replace AC or DC PEMs.

Note If you are adding a second PEM for redundancy, or if you have redundant PEMs,

it is not necessary to shut down the system before replacing a PEM.

53834

100-240V

50/60HZ

15-7A

100-240V

50/60HZ

15-7A

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

POWER

FAULT

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

CRITICAL

ALARM

MINOR

ALARM

MAJOR

ALARM 60 VDC

1A MAX

A+

A-

B+

B-

EXT

CLOCK

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

RX TX RX TX

RX TX RX TX RX TX

RX TX RX TX

RX TX

THIS UNIT HAS MORETHAN ONE POWER

SUPPLYCORD. DISCONNECT TWO (2)

POWER SUPPLYCORDS BEFORE

SERVICINGTO AVOID ELECTRIC SHOCK.

CAUTION

POWER

FAULT

Captive

screw

100-240V

50/60HZ

15-7A

100-240V

50/60HZ

15-7A

Indice

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