H3C S7500 Series Manuale utente

H3C S7500 Series Ethernet Switches

Memory Upgrade Kit

Hangzhou H3C Technologies Co., Ltd.

http://www.h3c.com

Manual Version: T2-080718-20070521-C-1.01

Ltd.

No part of this manual may be reproduced or transmitted in any form

or by any means without prior written consent of Hangzhou H3C

Technologies Co., Ltd.

Trademarks

H3C, , Aolynk, , H3Care,

, TOP G, , IRF,

NetPilot, Neocean, NeoVTL, SecPro, SecPoint, SecEngine, SecPath,

Comware, Secware, Storware, NQA, VVG, V2G, VnG, PSPT, XGbus,

N-Bus, TiGem, InnoVision and HUASAN are trademarks of Hangzhou

H3C Technologies Co., Ltd.

All other trademarks that may be mentioned in this manual are the

property of their respective owners.

Notice

The information in this document is subject to change without notice.

Every effort has been made in the preparation of this document to

ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute the warranty of

any kind, express or implied.

To obtain the latest information, please access:

http://www.h3c.com

Technical Support

customer_service@h3c.com

http://www.h3c.com

Environmental Protection

This product has been designed to comply with the requirements

on environmental protection. For the proper storage, use and disposal

of this product, national laws and regulations must be observed.

H3C S7500 Series Ethernet Switches Memory Upgrade Kit

Table of Contents

Chapter 1 Memory Upgrade Kit for H3C S7500 Series Ethernet

Switches .........................................................................................1-1

1.1 Memory Specifications.......................................................1-1

1.2 About Memory Upgrade.....................................................1-2

1.3 Installing and Removing a Memory Module.......................1-2

1.4 Precautions........................................................................1-4

H3C S7500 Series Ethernet Switches Memory Upgrade Kit

1-1

Chapter 1 Memory Upgrade Kit for H3C

S7500 Series Ethernet Switches

1.1 Memory Specifications

Table 1-1 lists the general memory specifications for H3C S7500

series Ethernet switches.

Table 1-1 Memory specifications

Item Specification

Memory type SDRAM

Number of pins 168

Operating frequency 133MHz

Operating voltage 3.3 ± 0.3V

Note:

For the memory specifications supported by different cards of H3C

S7500 Series Ethernet Switches, see H3C S7500 Series Ethernet

Switches Installation Manual.

Figure 1-1shows a memory module.

H3C S7500 Series Ethernet Switches Memory Upgrade Kit

1-2

Figure 1-1 Appearance of a memory module

1.2 About Memory Upgrade

A memory module is a card component in a switch. You can

upgrade or replace a memory module as required.. Generally, you

need to upgrade memory when:

zMore memory is required for upgrading switch application

programs.

zMore memory is required for a large routing table maintained

by the switch.

1.3 Installing and Removing a Memory

Module

Follow the steps below to remove a memory module:

Step 1: Put on an ESD-preventive wrist strap and verify that the

ESD-preventive wrist strap is properly grounded. Then, pull out the

card from the chassis.

Step 2: Place the card horizontally. Press the spring clips on both

sides of the memory slot, and pull outwards horizontally until the

memory module is freed from the spring clips.

Step 3: Remove the memory module.

H3C S7500 Series Ethernet Switches Memory Upgrade Kit

1-3

Figure 1-2 Remove memory module from the slot

Follow the steps below to install a memory module:

Step 1: Place the card horizontally. Align the contact fingers of the

memory module with the memory slot on the card and align the

module with the keyed plastic bridge in the slot.

Step 2: Insert the memory module into the slot along the slot

guides.

Step 3: Press the memory module vertically until you hear a chick.

This indicates the memory module is properly seated in the slot.

Step 4: Check if the spring clips have locked the memory module.

Figure 1-3 Install memory module into the slot

Note:

The keyed plastic bridge on the memory module ensures that the

module can be plugged into the slot one way only.

H3C S7500 Series Ethernet Switches Memory Upgrade Kit

1-4

1.4 Precautions

For the sake of safety, you must wear an ESD-protective wrist

strap before replacing a memory module.

Hold the memory module by its edge and avoid touching any

component on its surface. An improper operation might result in

damage.

Caution:

Use a memory module provided by Hangzhou H3C Technologies only.

Otherwise, anomalies might occur to the device.

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