H3C S7500 Series Manual de usuario
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
Copyright © 2006-2007, Hangzhou H3C Technologies Co.,
Ltd.
All Rights Reserved
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.
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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
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To obtain the latest information, please access:
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This product has been designed to comply with the requirements
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H3C S7500 Series Ethernet Switches Memory Upgrade Kit
i
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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