Hitachi LQE770-E Network Switch User & Service Manual PDF

User's Manual Option D.NET (LQE770-E) SEE-1-103 (A)

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If you export this product, please check all restrictions (for example, Japan's Foreign Exchange and Foreign Trade Law, and USA export control laws and regulations), and carry out all required procedures. If you require more information or clarification, please contact your Hitachi sales representative. Edition 1 (October 2019): SEE-1-103 (A) No part of this material may be reproduced in any form or by any means without permission in writing from the publisher. Information in this document is subject to change without notice. For inquiries about this product, please visit the following URL: https://www.hitachi.com/s10/ All Rights Reserved, Copyright © 2019, Hitachi, Ltd. IC (FL-MW2007, AI10)

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Safety Precautions Before installation, operation, maintenance, and inspection of this product, you must carefully read through this manual and other related manuals. When using the product, make sure that you are familiar with all the information concerning this product, safety information, and precautions provided in those manuals. Keep this manual in a readily accessible place for future reference when using the product. Safety precautions in this manual are classified into four levels according to the severity of potential hazards: DANGER, WARNING, CAUTION, and Notice. Definitions of the safety labels DANGER :

Indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING : Indicates a hazardous situation which, if not avoided, could result in death or serious injury. : Indicates a hazardous situation which, if not avoided, could result in minor or moderate CAUTION injury. Notice : Indicates a danger (resulting from incorrect use of the product) that can cause property damage or loss not related to personal injury if the safety precautions are not observed. Failure to observe precautions marked with CAUTION or Notice could also lead to a serious consequence depending on the situation in which the product is used.

Therefore, you must observe all of those precautions without fail. The following are definitions of serious injury , minor or moderate injury , and property damage or loss not related to personal injury used in the safety labels. Serious injury: Is an injury that has aftereffects and requires hospitalization for medical treatment or long-term follow-up care. Examples of serious injuries are as follows: vision loss, burns (caused by dry heat), low-temperature burns, electric-shock injuries, broken bones, and poisoning. Minor or moderate injury: Is an injury that does not require either hospitalization for medical treatment or long-term follow-up care.

Examples of minor or moderate injuries include burns and electric-shock injuries. Property damage or loss not related to personal injury: Is damage other than personal injury. Examples of property damage or loss not related to personal injury are as follows: damage or loss of personal property, failure or damage of the main unit of the product, and loss of data. The safety precautions stated in this manual are based on the general rules of safety applicable to this product. These safety precautions are a necessary complement to the various safety measures included in this product.

Although they have been considered carefully, the safety precautions posted on this product and in the manual do not cover every possible hazard. Common sense and caution must be used when operating this product. For safe operation and maintenance of this product, establish your own safety rules and regulations according to your specific needs. A variety of industry standards are available to aid in establishing such safety rules and regulations. S-1

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1. General Safety Guidelines Before installing, operating, inspecting, or conducting maintenance on this unit, read the following instructions carefully: Before starting work Follow all the instructions and operating procedures provided in this manual and related manuals. Pay particular attention to the cautionary notes in the manuals and on the equipment itself, and comply with their stipulations. Failure to do so could cause personal injury or damage to the machine. Do not perform any operation or action that is not described in this manual. When in doubt, contact the relevant store or your sales staff.

The hazard warnings on the machine and in the manual cannot cover every possible case, as it is impossible to predict and evaluate all circumstances. You must be alert and use your common sense. Do not perform any installation, wiring, handling, or internal customization that is not described in this manual. Hitachi will not be responsible for any damage to Hitachi equipment or peripherals and personal injury resulting from such a practice. In case this product fails, configure an emergency stop circuit or interlock circuit outside the product. Failure of this product might damage the machine or cause an accident.

Maintenance work must be done only by appropriately trained persons who have practical experience and understand the potential hazards (and how to avoid them) during operation. S-2

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