Saluki S2106 Series Manuale utente

PREFACE

Thank you very much for buying and using Saluki S2106X series of Optical Time Domain Reflectometers

(OTDR). This manual mainly contains the commonly used operating safety instructions, basic

operation and specifications, as well as common troubleshooting guidelines and other information. In order to

facilitate your use, before operating this instrument, please read the contents of this manual carefully

and follow the instructions in the book correctly.

This manual is limited to use in conjunction with this instrument. No unit or individual may alter, copy or

disseminate the contents of this manual for commercial purposes without the authorization of the Company.

The contents of this manual are subject to change without prior notice. If you have any questions, please

call the supplier. We will do our best to provide you with the best service.

CATALOG

1. Summary........................................................................................................................................................... 1

1.1 Unpacking inspection.............................................................................................................................1

1.2 Product Overview...................................................................................................................................1

1.3 Safety tips................................................................................................................................................ 2

1.4 Instrument Maintenance....................................................................................................................... 4

2. Basic Knowledge of OTDR..............................................................................................................................5

3. Basic operation and usage of OTDR series................................................................................................. 10

3.1 Front panel, top panel and bottom panel.......................................................................................... 10

3.2 ON/OFF................................................................................................................................................. 11

3.3 Connect Optical Cable......................................................................................................................... 11

3.4 Main Menu............................................................................................................................................12

3.5 OTDR Operation..................................................................................................................................13

3.6 Optical Power Peter（OPM）............................................................................................................27

3.7 Laser Source (LS).................................................................................................................................28

3.8 Visual Fault Location(VFL)................................................................................................................ 29

3.9 Event Map.............................................................................................................................................30

3.10 End Face Detector(FED)................................................................................................................... 32

3.11 Loss Test (LT)......................................................................................................................................33

3.12 System Information............................................................................................................................34

3.13 Analysis Software............................................................................................................................... 38

4. Common problems and Solutions.................................................................................................................40

4.1 How to observe the optical pulse waveform?.................................................................................... 40

4.2 How to clean the optical output interface of OTDR?.......................................................................46

4.3 How to copy the internal documents of the instrument to the U disk or computer?....................47

4.4 How to print test trace in batch?........................................................................................................ 47

4.5 How to print test trace into PDF report?...........................................................................................47

4.6 Other common faults and treatment methods.................................................................................. 48

5. Technical Specifications................................................................................................................................. 50

1. Summary

1.1 Unpacking inspection

This instrument is packaged and transported strictly in accordance with GB/T 9174-2008 <General

Technical Conditions for Freight Transport Packaging>. When you receive this instrument, please carefully

check the product according to the packing list and check the appearance quality of the product, and timely

find out the possible damage caused by the product in the process of freight transportation. If packaging

damage is found, please notify the freight forwarder immediately while preserving the original packaging

materials and contact the supplier of this product to solve it.

1.2 Product Overview

S2106X series of Optical Time Domain Reflectometers (OTDR) is a new generation optical fiber

measurement instrument designed for optical fiber communication systems. This product is mainly used to

measure the length, loss and connection quality of all kinds of optical fibers and cables. It can quickly locate

the event and fault points in optical fibre links accurately. It can be widely used in engineering construction,

maintenance test and emergency repair of optical fiber communication system, development and production

measurement of optical fiber and cable, etc. Installation and construction of optical fiber network construction,

or follow-up rapid and efficient maintenance and troubleshooting testing, this product can provide you

with the highest performance solutions.

1.3 Safety tips

External power supply

The power adapter input meets the following requirements：100V～240V，50/60Hz；@0.5A。

The power adapter output meets the following requirements：12V~19V，1.5A，Polarity：center positive.

Please use AC adapter attached to this instrument and use external power supply strictly in

accordance with the specifications; otherwise it may cause equipment damage.

Internal battery

Inside the instrument is a special lithium battery. Only batteries for this instrument can be used. Do not use

batteries for other instruments. Only use this instrument to charge batteries. In order to use safely, the internal

charging circuit of the instrument sets multiple protection measures such as battery voltage, charging current,

charging temperature and so on. The charging temperature of the battery in the machine ranges from 0~50℃.

When the ambient temperature is too high, the charging will automatically terminate. When the instrument is

not used for a long time, please charge the battery regularly. It is recommended that the battery be charged

every 2 to 3 months to ensure the best performance of the battery.

Do not let the battery close to the source of fire or strong heat; do not open or damage the battery; take out

the battery when the instrument is stored for a long time. The temperature range of the battery during

long-term storage is -20~45℃.

If the battery leaks or explodes, the electrolyte will damage the clothing or skin it has touched. Electrolyte

may cause blindness. If you enter your eyes carelessly, please wash your eyes thoroughly with clean water and

go to the hospital immediately.

Laser safety

Laser radiation; do not stare into beam CLASS Ⅱlaser product.

When using this instrument, please pay attention to avoid looking directly at the laser output port, and do

not look directly at the end of the optical fiber when testing. When the instrument is finished, please cover the

dust cap of the optical output port.

LCD Screen: This series of optical cable census instruments display 7 inch color LCD with touch screen.

In order to maintain good viewing effect, please keep the LCD screen clean. When cleaning, the LCD screen

can be cleaned by wiping with soft fabric.

Tip: Do not press the LCD screen with sharp objects or wipe the LCD screen with organic solvents,

otherwise the LCD screen may be damaged.

In the process of using the instrument, without permission, users are strictly forbidden to dismantle the

machine without permission, otherwise they will lose the warranty qualification!

Except for 1625nm/1650nm wave, other waves can not be tested with light (on-line test). Forced use

will burn out the internal components of the instrument, leading to instrument failure! (the failure

caused by this operation is not covered by the warranty)

1.4 Instrument Maintenance

The whole machine is guaranteed for 24 months, and the consumable parts of battery and optical interface

are guaranteed for 6 months. The items given with the products are not covered by this warranty. If you have

any problems, please send an email to [email protected].

2. Basic Knowledge of OTDR

OTDR is a precise optical fiber measuring instrument based on the principle of Rayleigh scattering and

backscattering generated by Fresnel reflection when laser propagates in optical fibers. By measuring the

transmission time of optical pulses from one to the other, the distance L is calculated using the formula

L=c×t/(2n), L unit is m, C is the propagation speed of light in vacuum 2.99792 ×108m/s, t is the time of light

pulse from emission to return (unit is s), n is the group refractive index, designated by the optical fiber

manufacturer, divided by 2 in the formula, because the measurement is round-trip time.

When light propagates in optical fibers, Rayleigh scattering occurs due to the inhomogeneity of the doped

components or the defects of the fiber link itself. Some of the optical signals will be scattered back in the

opposite direction of the incident pulse, which is called backward Rayleigh scattering. The Rayleigh

backscattering light can be observed regularly. With the change of signal intensity, the loss distribution and

connection quality of optical fibers and cables can be measured accurately.

According to the theory of optical transmission, Fresnel reflection occurs when light encounters the

boundary of two kinds of transmission media with different refractive index (e.g. movable connector, break or

end of optical fiber). By receiving the Fresnel reflection signal regularly, the position of discontinuous points

along the length of optical fiber can be accurately located. The magnitude of reflection depends on the

refractive index difference and the smoothness of the boundary surface.

The event of OTDR test refers to the abnormal point that causes abrupt change of loss or reflection power.

Including all kinds of connection points, fusion points and bending, cracks or breaks in optical fiber links,

which lead to the loss of transmission signals. They are mainly divided into two categories: reflective events

and non-reflective events.

(1) Reflective event

When OTDR transmits laser pulses along the measured optical fibers,

reflections will occur due to the sudden change of refractive index when it

encounters the active connection points or the end of the optical fibers. Some

optical signals will be returned to the instrument along the measured optical

fibers. The instrument will detect this reflection event by receiving the

reflected signal. On the OTDR test curve, there is an upward spike signal with

a certain width. The width and amplitude of the spike are mainly determined

by the pulse width used in the test and the reflected intensity.

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