Cisco 7200 Series Bedienungsanleitung

Doc. No.

Cisco Systems, Inc.

170 West Tasman Drive

San Jose, CA 95134-1706

USA

Cisco Systems, Inc.

Corporate Headquarters

Cisco 7200 Series Memory Replacement

Instructions

Product Numbers: MEM-NPE-8MB=, MEM-NPE-16MB=, MEM-NPE-32MB=,

MEM-NPE-64MB=, MEM-NPE-128MB=, MEM-I/O-FLC8M=, MEM-I/O-FLC16M=,

MEM-NPE-FLC20M=

This document explains how to replace the main, Flash, and ROM monitor memory for the

Cisco 7200 series routers. Read this entire document before upgrading the memory in your router.

Note Use this document in conjunction with the Cisco 72xx Installation and Conﬁguration Guide

that shipped with your Cisco 7200 series router.

This document contains the following sections:

•Additional Information, page 2

•Cisco 7200 Series Overview, page 3

•Memory Systems Overview, page 6

•Installation Prerequisites, page 9

—List of Parts and Tools, page 9

—Safety Guidelines, page 9

—Ensuring Easy Access to the Router, page 11

•Removing and Replacing Memory SIMMs and the Boot ROM, page 12

—Powering Down the Router and Disconnecting Input Power, page 13

—Removing the Input/Output Controller, page 14

78-3226-02

Additional Information

—Removing the Network Processing Engine, page 15

—Removing Memory SIMMs, page 16

—Installing New Memory SIMMs, page 17

—Removing the Boot ROM, page 19

—Installing a New Boot ROM, page 20

—Replacing the Input/Output Controller, page 21

—Replacing the Network Processing Engine, page 22

—Reconnecting Input Power and Powering Up the Router, page 24

•Installing and Removing a Flash Memory Card, page 26

•Removing and Installing an AC-Input Power Supply, page 28

•Cisco Connection Online, page 31

Additional Information

The Cisco Internetwork Operating System (Cisco IOS) software running your router contains

extensive features and functionality. The effective use of many of these features is easier if you have

more information at hand.

Cisco documentation and additional literature are available on a CD-ROM called Cisco Connection

Documentation, Enterprise Series, which ships with your chassis. The CD is updated and shipped

monthly, so it might be more up to date than printed documentation. To order additional copies of

the Cisco Connection Documentation, Enterprise Series CD, contact a Cisco Sales or Customer

Service representative. You can also access Cisco technical documentation on the World Wide Web

URL http://www.cisco.com.

For additional information on conﬁguring the Cisco 7200 series routers, the following

documentation resources are available to you:

•Cisco Connection Documentation, Enterprise Series CD-ROM

•For systems with Cisco IOS Release 11.1(6), a Cisco-approved Release 11.1(6) beta software

version, or a later Cisco IOS release, refer to the following modular conﬁguration and modular

command reference publications, as appropriate for your conﬁguration:

—Conﬁguration Fundamentals Conﬁguration Guide

—Conﬁguration Fundamentals Command Reference

—Wide-Area Networking Conﬁguration Guide

—Wide-Area Networking Command Reference

—Network Protocols Conﬁguration Guide

—Network Protocols Command Reference

—Bridging and IBM Networking Conﬁguration Guide

—Bridging and IBM Networking Command Reference

—Conﬁguration Builder Getting Started Guide

—Troubleshooting Internetworking Systems

Cisco 7200 Series Overview

•For hardware installation and maintenance information on the Cisco 7200 series routers, refer to

the Cisco 72xx Installation and Conﬁguration Guide that shipped with your router.

•To obtain general information about documentation, refer to the section “Cisco Connection

Online,” on page 31, or call Customer Service at 800 553-6387 or 408 526-7208. Customer

Service hours are 5:00 a.m. to 6:00 p.m. Paciﬁc time, Monday through Friday (excluding

Cisco-observedcompanyholidays).Youcan alsosend e-mailto [email protected].Youcan also

refer to the Cisco Information Packet that shipped with your router.

Cisco 7200 Series Overview

The Cisco 7200 series consists of the four-slot Cisco 7204 and the six-slot Cisco 7206. The

Cisco 7200 series routers support multiprotocol, multimedia routing and bridging with a wide

variety of protocols and any combination of Ethernet, Fast Ethernet, Token Ring, Fiber Distributed

Data Interface (FDDI), and serial media. Network interfaces reside on port adapters that provide a

connection between the routers’ three Peripheral Component Interconnect (PCI) buses and external

networks. Port adapters can be placed in any available port adapter slot, in any desired combination.

The front of the Cisco 7200 series routers provides access to an Input/Output (I/O) controller and up

to four or six network interface port adapters. The I/O controller has a local console port for

connecting a data terminal (or data terminal equipment [DTE]) and an auxiliary port for connecting

a modem (or other data communications equipment [DCE]) or other devices for conﬁguring and

managing the router; two Personal Computer Memory Card International Association (PCMCIA)

slots for Flash memory cards; and an optional Fast Ethernet port. The Fast Ethernet port provides a

100-Mbps connection to the network. Figure 1 shows the Cisco 7204. Figure 2 shows the

Cisco 7206.

Note The I/O controller is available with or without a Fast Ethernet port. Figure 1 and Figure 2

show an I/O controller with a Fast Ethernet port.

Figure 1 Cisco 7204—Front View

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Cisco 7200

SERIES

Cisco 7200 Series Overview

Figure 2 Cisco 7206—Front View

The port adapters installed in the Cisco 7200 series routers are of the same type as those installed on

the second-generation Versatile Interface Processors (VIP2s) in the Cisco 7000 family routers. The

port adapters installed in the Cisco 7200 series routers support online insertion and removal (OIR).

Port adapter slots in the Cisco 7200 series are numbered from left to right, beginning with port

adapter slot 1 and continuing through port adapter slot 4 for the Cisco 7204, and slot 6 for the

Cisco 7206. Port adapter slot 0 is the Fast Ethernet port on the I/O controller. Figure 3 shows the port

adapter slot numbering for the Cisco 7206.

Note In Figure 3, a blank port adapter is installed in port adapter slot 5. To ensure adequate airﬂow

across the router’s internal components, ensure that each port adapter slot is ﬁlled with either a port

adapter or a blank port adapter.

Figure 3 Port Adapter Slot Numbering—Cisco 7206 Shown

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Cisco 7200 Series Overview

The rear of the Cisco 7200 series routers provides access to the network processing engine and up

to two 280W, AC-input or DC-input power supplies (refer to Figure 4).

Figure 4 Cisco 7200 Series Router—Rear View

The network processing engine has no external connectors or LEDs. There are two handles for

removing and installing the network processing engine and two captive installation screws for

securing it to the chassis.

A fully conﬁgured Cisco 7200 series router operates with only one installed power supply; however,

a second, optional power supply provides hot-swappable, load-sharing, redundant power. The power

supply has the router’s main power switch and either an AC-input power receptacle, or a hardwired

DC-input power cable (depending on the type of installed power supply). Adjacent to the power

supply bays there is a 10 x 32-inch chassis ground receptacle that provides a chassis ground

connection for ESD equipment or a grounding wire (refer to Figure 4).

Note The Cisco 7200 routers come equipped with either one 280W AC-input or one 280W

DC-input power supply; a second 280W AC-input or DC-input power supply is available for the

router. Figure 4 shows the rear of a Cisco 7200 series router that is conﬁgured with a single 280W

AC-input power supply. (A power supply ﬁller plate is installed over the second power supply bay.)

Three internal fans draw cooling air into the chassis interior and across internal components to

maintain an acceptable operating temperature (refer to Figure 4). The three fans are enclosed in a

tray that is located in the subchassis.

The I/O controller, port adapters, power supplies, and network processing engine slide into their

respective chassis slots and connect directly to the router’s midplane; there are no internal cables to

connect. The midplane distributes DC power from the power supplies to the I/O controller, port

adapters, fan tray, and network processing engine.

H6423

NETWORK PROCESSING ENGINE-150

Internal fans

Network processing

engine AC-input

power supply

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filler plate

Chassis

grounding

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Memory Systems Overview

The Cisco 7200 series memory systems are divided between the I/O controller and the network

processing engine. The memory systems provide the following functions:

•Main memory (DRAM)—Stores the running conﬁguration and routing tables. The

Cisco Internetwork Operating System (Cisco IOS) software executes from main memory.

•Shared memory—Used for packet buffering by the router’s network interfaces.

•Flash memory SIMM—Stores the boot helper software. The boot helper image allows you to

boot the router when Flash memory does not contain a valid system image.

•Flash memory card(s)—Stores the default Cisco IOS software image.

•Erasable programmable read-only memory (EPROM)-based memory—The ROM monitor

permits you to boot the Cisco IOS image from Flash memory if a boot helper image is not present

in boot Flash memory.

•Nonvolatile random-access memory (NVRAM)—Stores the system conﬁguration,

environmental monitoring logs, and the virtual conﬁguration register.

Table 1 lists the Cisco 7200 series processor and memory speciﬁcations. Table 2 lists the network

processing engine factory-installed DRAM conﬁgurations and their product numbers. Figure 5

shows the I/O controller with the optional Fast Ethernet port. Figure 6 shows the network processing

engine.

Table 1 Cisco 7206 Processor and Memory Speciﬁcations

1. RISC—reduced instruction set computing

2. DRAM—dynamic random-access memory

3. SRAM—static random-access memory

4. ROM—read-only memory

Component Description Speciﬁcation Location

Network processing engine Processor 150-MHz Orion RISC1Socket U201

Main memory (DRAM)216 to 128 MB Bank 1: U12 and U4

Bank 0: U25 and U18

SRAM31 MB Sockets U700 through U703

Sockets U800 through U803

Uniﬁed secondary cache 512 KB U2, U10, U14, and U26

I/O Controller Flash SIMM 4 MB Socket U99

Flash memory card 8 to 20 MB PCMCIA

Slot 0 and Slot 1

Nonvolatile RAM 128 KB Socket U41

Boot ROM4256 KB Socket U20

Memory Systems Overview

Table 2 DRAM SIMM Conﬁgurations

Figure 5 Input/Output Controller—With Optional Fast Ethernet Port

1. These products are also available as DRAM upgrades. For example, to upgrade a network processing engine from 16 MB to 32 MB of

DRAM, order product number MEM-NPE-16MB=.

Total DRAM DRAM Bank 0 Quantity DRAM Bank 1 Quantity Product Number

16 MB U18 and U25 2 8-MB SIMMs U4 and U12 – MEM-NPE-16MB1

24 MB U18 and U25 2 8-MB SIMMs U4 and U12 2 4-MB SIMMs MEM-NPE-24MB

32 MB U18 and U25 2 16-MB SIMMs U4 and U12 – MEM-NPE-32MB1

64 MB U18 and U25 2 32-MB SIMMS U4 and U12 – MEM-NPE-64MB1

128 MB U18 and U25 2 32-MB SIMMs U4 and U12 2 32-MB SIMMs MEM-NPE-128MB1

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Memory Systems Overview

Figure 6 Network Processing Engine

Proceed to the following section “Installation Prerequisites.”

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NETWORK PROCESSING ENGINE-150

Installation Prerequisites

This section provides a list of parts and tools you need to remove main, Flash, and ROM monitor

memory in the Cisco 7200 series routers. This section also includes safety and ESD-prevention

guidelines to help you avoid injury to yourself and damage to the equipment.

List of Parts and Tools

You need the following tools and parts to replace the main, Flash, and ROM monitor memory from

the network processing engine and the I/O controller. If you need additional equipment, contact a

service representative for ordering information.

•New DRAM or Flash single in-line memory modules (SIMMs), or ROM monitor device

•Number 2 Phillips screwdriver

•3/16-inch ﬂat-blade screwdriver

•Your own ESD-prevention equipment or the disposable grounding wrist strap included with all

upgrade kits, FRUs, and spares

•An antistatic mat or surface

•Small needlenose pliers

In addition, the ROM monitor device replacement requires a DIP-type integrated circuit (IC)

removal tool (see Figure 7) or a small ﬂat-blade screwdriver.

Figure 7 IC Removal Tool

Safety Guidelines

Following are safety guidelines that you should follow when working with any equipment that

connects to electrical power or telephone wiring.

Electrical Equipment Guidelines

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.

•Disconnect all power and external cables before moving a chassis.

•Do not work alone when potentially hazardous conditions exist.

•Never assume that power has been disconnected from a circuit; always check.

H5887

Angled tips

Installation Prerequisites

•Do not perform any action that creates a potential hazard to people or makes the equipment

unsafe.

•Carefully examine your work area for possible hazards such as moist ﬂoors, ungrounded power

extension cables, and missing safety grounds.

Telephone Wiring Guidelines

Use the following guidelines when working with any equipment that is connected to telephone

wiring or to other network cabling:

•Never install telephone wiring during a lightning storm.

•Never install telephone jacks in wet locations unless the jack is speciﬁcally designed for wet

locations.

•Never touch uninsulated telephone wires or terminals unless the telephone line has been

disconnected at the network interface.

•Use caution when installing or modifying telephone lines.

Preventing Electrostatic Discharge Damage

Electrostaticdischarge(ESD)damages equipmentand impairs electricalcircuitry. ESD occurswhen

printed circuit boards or memory SIMMs are improperly handled and results in complete or

intermittent failures.

The I/O controller and network processing engine consist of a printed circuit board that is ﬁxed in a

metal carrier. Electromagnetic interference (EMI) shielding, connectors, and a handle are integral

components of the carrier. Handle the I/O controller and network processing engine by their carrier

edges and handle; never touch the printed circuit board or connector pins.

Figure 8 shows the location of a printed circuit board when it is installed in a network processing

engine or I/O controller metal carrier. Do not touch the printed circuit board when handling either

component.

Figure 8 Handling the I/O Controller and the Network Processing Engine

Handle SIMMs by the edges only; avoid touching the memory modules, pins, or traces (the metal

ﬁngers along the connector edge of the SIMM) (refer to Figure 9). Always wear a preventive

antistatic strap whenever handling SIMMs.

Printed circuit board

Metal carrier

H6419

Andere Handbücher für 7200 Series

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