Anritsu MW9076 Series User manual

Read this manual before using the equipment. Keep this manual with the equipment.

Optical Time Domain Reflectometer

Service Manual

MW9076 Series

MW9076 Series Optical Time Domain Reflectometer Service Manual

Printed in Japan

Document No.: M–W1659BE

ANRITSU CORPORATION 5-10-27, Minamiazabu, Minato-ku, Tokyo 106-8570 Japan / Phone: 81-3-3446-1111

Fifth Edition

Read this manual before using the equipment.

Keep this manual with the equipment.

MW9076 Series

Optical Time Domain Reflectometer

Service Manual

Measurement Solutions

ANRITSU CORPORATION

Document No.: M-W1659BE-5.0

To prevent the risk of personal injury or loss related to equipment malfunction, Anritsu Corporation uses the following

safety symbols to indicate safety-related information. Insure that you clearly understand the meanings of the

symbols BEFORE using the equipment.

Some or all of the symbols may not be used on this equipment. In addition, when drawings are included in this

manual, labels on the equipment may not be shown on them.

Safety Symbols Used in Manual

DANGER

WARNING

CAUTION

Safety Symbols Used on Equipment and/or in Manual

The following safety symbols are used inside or on the equipment near operation locations, and/or in manual to

provide information about safety items and operation precautions. Insure that you clearly understand the

meanings of the symbols and take the necessary precautions BEFORE using the equipment.

This indicates a prohibited operation. The prohibited operation is indicated

symbolically in or near the barred circle.

This indicates an obligatory safety precaution. The obligatory operation is

indicated symbolically in or near the circle.

This indicates warning or caution. The contents are indicated symbolically

in or near the triangle.

This indicates a note. The contents are described in the box.

These indicate that the marked part should be recycled.

MW9076 Series

Optical Time Domain Reflectometer

Service Manual

1 November 1999 (First Edition)

12 September 2001 (Fifth Edition)

the publisher.

The contents of this manual may be changed without prior notice.

Printed in Japan

This indicates a very dangerous procedure that could result in death or serious

injury if not performed properly.

This indicates a hazardous procedure that could result in death or serious injury

if not performed properly.

This indicates a hazardous procedure or danger that could result in light-to-severe

injury, or loss related to equipment malfunction, if proper precautions are not taken.

Safety Symbols

iii

For Safety

For safety, do not open the equipment covers.

If repair is required, contact the sales representative, branch office, or

agent at the telephone number and address given in the document or

in the equipment operation manual.

Although not recommended by Anritsu Corporation, if it is really im-

perative to open the covers for emergency repair, take great care not

to touch any dangerous parts.

Always request repair by a trained engineer who understands the

hazards.

Anritsu Corporation will not accept liability for any injuries sustained

as a result of opening the equipment covers.

For Safety

DANGER

NEVER touch parts where the label shown on the left is attached.

Such parts have high voltages of at least 1 kV and there is a risk of

receiving a fatal electric shock.

WARNING

1. ALWAYS refer to the operation manual when working near loca-

tions at which the alert mark shown on the left is attached. If the

operation, etc., is performed without heeding the advice in the

operation manual, there is a risk of personal injury. In addition,

the equipment performance may be reduced.

Moreover, this alert mark is sometimes used with other marks and

descriptions indicating other dangers.

2. Laser radiation warning

• NEVER look directly into the cable connector on the equip-

ment nor into the end of a cable connected to the equipment.

If laser radiation enters the eye, there is a risk of injury.

• Laser Radiation Markings on a following page show the Laser

Safety label attached to the equipment near the cable connec-

tor.

3. When supplying power to this equipment, connect the accessory

3-pin power cord to a 3-pin grounded power outlet. If a grounded

3-pin outlet is not available, before supplying power to the equip-

ment, use a conversion adapter and ground the green wire, or

connect the frame ground on the rear panel of the equipment to

ground. If power is supplied without grounding the equipment,

there is a risk of receiving a severe or fatal electric shock.

4. This equipment cannot be repaired by the user. DO NOT attempt

to open the cabinet or to disassemble internal parts. Only Anritsu-

trained service personnel or staff from your sales representative

with a knowledge of electrical fire and shock hazards should ser-

vice this equipment. There are high-voltage parts in this equip-

ment presenting a risk of severe injury or fatal electric shock to

untrained personnel. In addition, there is a risk of damage to pre-

cision parts.

HIGHVOLTAGE/高電圧

DANGER/感電警告

Repair

WARNING

For Safety

WARNING

5. This equipment should be used in the correct position. If the cabi-

net is turned on its side, etc., it will be unstable and may be dam-

aged if it falls over as a result of receiving a slight mechanical

shock.

6. When replacing the battery, use the specified battery and insert it

with the correct polarity. If the wrong battery is used, or if the

battery is inserted with reversed polarity, there is a risk of explo-

sion causing severe injury or death.

7. DO NOT short the battery terminals and never attempt to disas-

semble it or dispose of it in a fire. If the battery is damaged by any

of these actions, the battery fluid may leak.

This fluid is poisonous.

DO NOT touch it, ingest it, or get in your eyes. If it is accidentally

ingested, spit it out immediately, rinse your mouth with water and

seek medical help. If it enters your eyes accidentally, do not rub

your eyes, irrigate them with clean running water and seek medi-

cal help. If the liquid gets on your skin or clothes, wash it off care-

fully and thoroughly.

8. This instrument uses a Liquid Crystal Display (LCD); DO NOT

subject the instrument to excessive force or drop it. If the LCD is

subjected to strong mechanical shock, it may break and liquid

may leak.

This liquid is very caustic and poisonous.

DO NOT touch it, ingest it, or get in your eyes. If it is ingested

accidentally, spit it out immediately, rinse your mouth with water

and seek medical help. If it enters your eyes accidentally, do not

rub your eyes, irrigate them with clean running water and seek

medical help. If the liquid gets on your skin or clothes, wash it off

carefully and thoroughly.

Falling Over

Replacing Battery

Battery Fluid

LCD

For Safety

Laser Radiation Markings

This equipment uses parts radiating Class 1 or Class 2 laser radia-

tion. The warning labels shown below are attached near the laser-

radiation locations.

The danger classification specified by JIS, IEC Pub 60825-1 and

21CFR1040.10 are explained below.

OTDR light source Visible LD light source

IEC Pub 60825-1 Class 1 Class 2

21 CFR 1040.10 Class 1 Class 2

Class 1 Safe laser presenting no danger when used according to

design specifications.

Class 2 Laser radiating in 400 to 700 nm wavelength range. In

principal, this class of laser is not safe, but the danger to

the eyes is eliminated by the eye avoidance reaction in-

cluding the blink response.

Label Attachment Positions

FDA (Attached only for exportation

to the United States of America)

(Attached when

visible LD light

source installed)

FDA (Attached when

visible LD light source

installed and

only for

exportation to

the United

States of

America)

(Attached when

visible LD light

source installed)

FDA (Attached when

visible LD light

source installed and

only for exportation

to the United States

of America)

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