AV6413 OPTICAL TIME DOMAIN

REFLECTOMETER

OPERATION MANUAL

First Edition

AV2.761.032SS/0.0

Thank you for using AV6413 Optical Time Domain Reflectometer(OTDR)! Please

read this manual carefully.

1 Introduction …………………………………………………………………….. 1

General Information ……………………………………………………………. 1

Composition ……………………………………………………………………... 1

General Specifications …………………………………………………………. 3

2 Description of the AV6413 OTDR ………………………………………….. 4

3 General Safety Information and Maintenance …………………………. 6

4 Information on the screen …………………………………………………….. 8

Introducing the TouchScreen …………………………………………………… 8

Information on the screen ………………………………………………………. 8

5 Setting Up the OTDR and Testing fibers ………………………………….. 10

Automation ……………………………………………………………………….. 10

Manual Test ……………………………………………………………………….. 11

Set Measurement Conditions …………………………………………………… 11

Testing fibers ………………………………………………………………………. 14

Measuring Trace Data ………………………………………………………….. 15

Moving cursor and markers …………………………………………………….. 16

Zooming in or out of a Trace …………………………………………………… 17

Measuring distance ……….……………………………………………………… 17

Measuring splice loss …………………………………………………………… 18

Measuring average loss(dB/km) ………………………………………………. 20

Measuring return loss ..………………………………………………………….. 20

6 Managing Traces ………………………………………………………………… 22

Recalling a trace file …………………………………………………………….. 22

Storing a trace file ……………………………………………………………….. 25

Deleting a trace file ……………………………………………………………… 25

Cleaning a trace on the screen ……..………………………………………… 26

Transmitting trace files between the OTDR and PC computer ….………. 26

7 Printing a Trace Report ……………………………………………………….. 28

8 Other operations ………………………………………………………………… 28

Comparing trace ………………………………………………………………….. 28

System Setting ……………………………………………………………………. 29

9 Maintenance and Troubleshooting …………………………………………. 32

Cleaning the OTDR output ports …..………………………………………….. 32

Cleaning the Touchscreen ………………………………………………….…… 32

Troubleshooting ….……………………………………………………………… 33

10 Warranty …………………………………………………………………………. 34

Addendum A ………………………………………………………………………..… 35

Addendum B ………………………………………………………………………..… 37

1 Introduction 1.1 General Information

Introduction

The AV6413 OTDR provides highly reliable instruments for the installation and

maintenance of optical fibers. The AV6413 OTDR is a compact and rugged

mini-otdr with high performance, large color LCD, and long battery life . It’s very

easy to use. It provides automatic measurement and have comprehensive

analysis features. It can measure fault location, splicing loss, transmission loss

and connection loss, etc..

1.2 Composition

1.2.1 Standard composition

The standard composition of the AV6413 OTDR is shown in Table 1-1.

Table 1-1 AV6413 OTDR Standard Composition

Item Type

Mainframe AV6413

Accessories 1.2.2 Optical Units

Name

OTDR

Power Adapter

Power Line

Operation Manual

System Disk/CD

Touch-Pen

Dustproof Cover

Number

1

1

1

1

1

1

1

The Optical Units of AV6413 OTDR are shown in Table 1-2.

Table 1-2 Optical

Units

Dynamic range Type Wavelength and Mode

Event dead

AV6413-3537 1310/1550±20 nm SMF

AV6413-3542 1310/1550±20 nm SMF 1

(dB)a 37/35 dB

42/40 dB

zone(m)b ≤ 2.5/2.5

≤ 2.5/2.5

Introduction

a. Typical dynamic range using a 20μ s pulse with a three-minute average at

SNR = 1.

b. Typical event dead zone for reflectance below –45dB, using 10ns pulse . -X X X X

m a x i m a l d y n a m i c r a n g e .

Wa v e l e n g t h c o d e . 8 3 m e a n s M M F 8 5 0 / 1 3 0 0 n m ;

5 6 m e a n s S M F 1 5 5 0 / 1 6 2 5 n m ;

3 5 m e a n s S M F 1 3 1 0 / 1 5 5 0 n m .

1.2.3 Options

The options of AV6413 OTDR are shown in Table 1-3.

Table 1-3 The Options of AV6413 OTDR

Item And Type

USB Disk (Netac 128Mb, usb1.1b)

Printer (EPSON C41/C43 SX/UXa) External

Printer Cable

Explain

transmitting data

printer

Connect external printer

Simulation Software

Visible Fiber Optic Fault Locator

Fiber Aligner

Parallel Communication Cable

FC-ST Adapter

FC-SC Adapter

6413F(for win9x/win2000/winxp)

AV6318

AV87501

1

a. This type is referenced ,you can select EPSON ME1 、 BJC255SP、

BJC85、 EPSON C41/C43 SX/UX、 BJC1000SP.

b. This type is referenced.

2

1.3 General Specifications

Introduction

Table 1-4 General Specifications

Item Content

Optical output connector

Screen

Range (km)

Pulse Width (ns)

Fiber refraction index (IOR)

Helix factor

Horizontal scale

Vertical scale

Resolution Sampling

Distance accuracy

Loss accuracy

Language of Interface

Interface

Power Supply

FC-PC (standard)

640×480, 7.7-inch color LCD (Touchscreen)

1.6,3.2,8,16,32,64,128,256,512 (SM)

1.6, 3.2,8,16,32,64,128 (MM – 1300)

1.6,3.2,8,16,32 (MM – 850)

10,80,160,320,640,1280,2560,10240,20480

adjust in range 1.00000 to 2.00000, in 0.00001 steps

adjust in range 0.8000 to 1.0000, in 0.0001 steps.

5m/div 、 10m/div 、 20m/div 、 50m/div 、 100m/div 、

200m/div 、 500m/div 、 1km/div 、 2km/div、 5km/div、

10km/div、 20km/div、 40km/div、80km/div

0.1dB/div、 0.2dB/div、 0.5dB/div、 1dB/div、2dB/div、

5dB/div、 8dB/div

resolution ：0.1m(max)

Distance read-out resolution： 0.0001km

Loss read-out resolution：0.001dB

±(1m＋ sample spacing / 2＋ measured distance ×

0.01%)

±0.02 dB/km（ SM）； ±0.2 dB/km（MM ）；

Chinese、 English (can be selected)

RS232, USB(print), parallel (print), keyboard

AC/DC(AC100～ 240V, 50/60Hz), DC:18V±2V,2.5A.

Intelligent battery (Li),can show capacity of battery，

Battery life is over 8 hours (Low lightness, not

sampling).

Environmental Characteristics operation temperature： 0℃ to 50℃

Dimensions and Weight

Storage temperature： –40℃ to 70 ℃

10℃ ～ 30℃ ，Relative humidity ：（5～ 95） ％ ±5％ RH 30℃ ～ 40℃ ，Relative humidity ：（5～ 75） ％ ±5％ RH

>40℃ ， Relative humidity：（ 5～ 45） ％ ±5％ RH

D×W×H (mm)：280×208×95； About (2.7±0.3) kg 3

Description

2 Description of the AV6413 OTDR

Front Panel ：

R i g h t P a n e l ：

Power

lamp

Working

lamp

Charge

lamp

Green

Off

Green

Red

Off

Red

Green

AV6413 OTDR is plugged in.

AV6413 OTDR is not plugged in.

AV6413 OTDR is turned on.

Capacity of Internal battery is low

AV6413 OTDR is turned off.

Internal battery is charging.

Internal battery is full.

4

Back Panel：

Description

LEDS on the battery box cover provide you with the capacity of battery.

Top Panel：

5

General Safety Information

3 General Safety Information and Maintenance

AC/DC Adapter/Charger

The following voltage requirements must be met： 18 volts±

2V, 2.5A, positive core. Use of higher voltages may damage

the unit.

Battery

Use Li replacement battery only. Use of other battery may

damage the unit and compromise the use’s safety.

Touchscreen Don’t use any sharp device to press the touchscreen.

Laser Safety Do not install or terminate fibers while a laser source is

active. Never look directly into a live fiber, and ensure that

your eyes are protected at all times.

OTDR

Never connect a fiber carrying any kind of signal to the

OTDR port. This could result in permanent damage to the

OTDR, make sure that all fibers under test are inactive at

the time of and during connection.

You must clean the fiber before inserting connectors.

6

General Safety Information Transportation and Storage

Pack the product in the original packing material when

shipping.

Store the product at room temperature in a clean and dry

area.

If the unit is stored at a temperature outside of the

specified operating temperature range, let the unit reach

operating temperature before turning it on. 7

Information on the screen

4 Information on the screen

4.1 Introducing the TouchScreen

The touchscreen simplifies and accelerates testing procedures by providing

immediate access to commands. It detects the position of your finger or

touch-pen, or any other pointing(not sharp)device, activating a command,

function, or button.

4.2 Information on the screen (1)

(12)

(19)

(11)

(8)

(9)

(20) (7)

(3) (4)

(13)

(5)

(10)

(6)

(14)

(2)

(15) (16)

(18)

(17)

Figure 4-1

(1) Label： Input of up to 20 alphanumeric characters.

(2) Clock "year－ month－ date hour： minute：second"

(3) Help key： Provides brief explanations.

(4) Print key： for printing screen displays.

(5) “One”： The actual trace is trace Ⅰ .

“Two”： The actual trace is trace Ⅱ .

The actual trace is measuring trace, and the other trace is the recalled 8

Information on the screen trace from memory disk.

(6) Main Menu

(7) Cursor distance：

Distance form the cursor point to reference point(the OTDR’ port),

display”***.**** km”.

(8) Calculated values between markers A and B

There are Loss, distance and average loss(dB/km) between markers A

and B.

When measure splice loss, there are average loss(dB/km) between

markers a and A, average loss(dB/km) between markers B and b and

splice loss.

When measure return loss, there are return loss between markers A and

B.

(9) Trace (The color of actual trace is blue, the compared trace is gray.)

(10) Cursor

(11) Marker

(12) The entire display of trace

(13) Conditions of measurement

(14) The current status(pre, average or stop)

(15) Zoom in and zoom out vertically

(16) Markers button

(17) Zoom in and zoom out horizontally

(18) Move cursor

(19) Move up and move down the trace

(20) Event mark 9

Information on the screen

5 Setting Up the OTDR and Testing fibers Before acquiring traces, you have to

● Clean the fiber before inserting connectors.

● Make sure that all fibers under test are inactive at the time of and during

connection.

5.1 Automation

Form the Main Menu (see (6) of figure 4-1), click Auto.Then OTDR will automa-

-tically set measurement condition, and scan the trace, then OTDR will

automatically analyzes the trace and make the event table. After analysis trace,

the Event Table windows appears, see following figure. Before analysis, you

have to set the threshold of event. You can click Analysis to analyzes the trace

again. Figure 5-1

NO ： The number of event.

DIS(km) ： The distance from the event to the reference zero point(the

OTDR’s port).

ATT(dB/km) ： This is the average loss(dB/km) measured at the fiber

section preceding this event.

SPLICE(dB) ： The loss in dB for this event.

RETURN(dB) ： This is the reflectance measured at this event.

LINK(dB)： The loss from OTDR’s port to this event. 10

5.2 Manual Test

Information on the screen Analysis the trace again.

Move to previous event

Move to next event

Delete the current event

Before acquiring traces, you have to

● select the test wavelength (if the OTDR offers two wavelengths)

● set the test Range, Pulse width, Attenuation, Refractive index

Set Measurement Conditions

Click the area where display measurement conditions in (see figure 5-2), then

Set Condition screen appears.

You have to set the measurement conditions in Stop status. Figure 5-2

11

Information on the screen Click any of items, then a button appears. Click the button, the value of

corresponding item will change.

● WL. ： used to set the wavelength of the OTDR.

● Range(km)： used to set the acquisition distance range. It should be

increased to a value greater than the fiber length.

● PW(ns)： used to set the pulse width for the test. A longer pulse width

travels further down the fiber, but results in less resolution. A

shorter pulse width provides higher resolution, but less

distance. In addition, not all pulse widths are compatible or

available with all ranges.

● Att.(dB)： used to set attenuation of signal. If value of Att.(attenation) is

minimum,i.e. 0 dB, the distance span to be tested is maximal，

but near the fiber is saturation. If value of Att. is maximal, i.e.

20 dB, the distance span to be tested is minimum. The value of

attenuation is 0 to 20 dB, in 5 dB steps.

● Arith. (arithmetic)： used to set arithmetic of accounting loss. In the

default notification section, the arithmetic is TPA_

LSA, you can select TPA, LSA or TPA_LSA.

● Times： used to set the times of average. Generally, longer times

generates cleaner traces(this is especially true with long-

-distance traces), because, as the average time increases,

more of the noise is averaged out. This averaging increases

the signal-to-noise ratio and the OTDR’s ability to detect small

events. The value of times is 1 to 4000.

● Times(Auto)： used to set the times of average of Auto-Test. The value of

times is 5、 10、 20、 40、 80、 160 、 320、 640.

● IOR： The IOR is a fiber characteristic that can be obtained through the

cable or fiber manufacture. If you set this parameter incorrectly,

your distance measurements will be inaccurate. You can enter

any IOR value between 1.00000 to 2.00000 inclusively. Click IOR,

The Set IOR screen appears. 12

0 to 9

Information on the screen

quadrate cursor Figure 5-3

click this button, quadrate cursor moves left.

click this button, quadrate cursor moves right.

click this button, delete character.

click this button, input character .

● Helix factor： The helix factor takes into consideration the difference

between the length of cable and the length of the fiber

inside the cable. It can be obtained through the cable

manufacturer. The value of helix factor is 0.8000 to 1.0000,

in 0.0001 steps.

You should set the IOR and helix factors before performing tests；

however, you can also set them at a later time.

13

Testing fibers

Information on the screen

The test procedure with OTDR is：

1. Clean the fiber to test and connect it to the OTDR port.

2. Form Main Menu, click Start . The button read Stop and the acquisition

starts. The trace display is continuously updated.

Trace display

Figure 5-4

You can also click Average from Main Menu. The button read Stop. The

trace display is averaged. As the average time increases, more of the noise

is averaged out. If you click Stop, the button read Average, and the average

stop.

You can interrupt the acquisition at any time by clicking Stop . The trace

display isn’t updated. If times equal to the setting value, the acquisition will

also stop.

4. Change sample resolution：

The highest sample resolution of all ranges is 0.1m. In initial status, the

sample resolution is normal. Zoom in the trace horizontally enough, and

click Start, then the sample resolution is adjusted to higher. Sample

resolution shows in table. 14

Range (km)

Information on the screen

H-scale (m/div)

Sample resolution (m)

1.6 3.2

8 16 32 64 128 256 512

5

10

0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

0.1 0.2 0.1 0.1 0.1 0.1 0.1 2 0.1

20 0.1 0.2 0.5 0.1 0.1 0.1 0.1

50 0.1 0.2 0.5 1 0.1 0.1 0.1 2 4

100 0.1 0.2 0.5 1 2 0.1 0.1 2 4

200 0.1 0.2 0.5 1 2 4 0.1 2 4

500 / 0.2 0.5 1 2 4 8 2 4

1000 / / 0.5 1 2 4 8 16 4

2000 / / / 1 2 4 8 16

5000 / / / / 2 4 8 16

10000 / / / / / 4 8 16

20000 / / / / / / 8 16

40000 / / / / / / / 16

80000 / / / / / / / / 32 Measuring Trace Data

This section explains how to

● Move cursor and markers

● Zoom in and out of a trace

● Measure distance

2 4 32

32

32

32

32

● Measure 2-pints loss(dB) , average loss (dB/km), splice loss and

reflectance .

After a trace has been acquired or recalled from memory disk, you can zoom in

and out of any event or trace segment to measure splice loss, average loss and

fiber section loss(2-points loss).

15

Information on the screen

Moving cursor and markers

trace display

entire trace windows

zoom out horizontal

zoom out vertical

Figure 5-5

zoom in horizontal Markers button

zoom in vertical

Moving cursor ： Click any point on the screen of trace display, the cursor will

jump to this point of trace. You can also use the Right (>) and

Left (<) arrow buttons to move cursor.

Moving markers ：

1. Click the Markers button until the marker you want to move appears.

2. Once the appropriate marker is selected, the cursor will jump to this marker

use the Right (>) and Left (<) arrow buttons to move the marker along the

trace.

When you measure average loss(dB/km) or return loss, there are two

markers(A and B). When you measure splice loss, there are four

markers(a, A, b and B).

16

Information on the screen IF one markers is moved near another, both will move together.

A marker may disappear from the trace after you zoom in. It may be

recalled by selecting a missing marker with the Markers button or by

using one of the arrows to bring the selected marker back into the

displayed area.

Zooming in or out a Trace

You can use the zoom buttons to change the scale of the Trace display. When the

scale change, the trace display is always centered on the selected marker(i.e.

cursor).

1. Move the marker where you want to zoom in.

2. Use the zoom button to magnify (or reduce) the selected area, as described

in the following table.

Zooms out the selected area horizontal (around the cursor)

Zooms in the selected area horizontal (around the cursor)

Zooms out the selected area vertical (around cursor)

Zooms in the selected area vertical (around cursor)

the area of

entire trace

windows

Brings back the entire trace

Measuring Distance

To measure the distance to an event：

1. Move the cursor to an event.

2. Zooms out the trace horizontally enough and vertically enough (around

the cursor).

3. The distance of cursor is the distance from event to reference zero point (

the port of OTDR).

17

Information on the screen the loss between marker A to marker B

the average loss(dB/km) The distance between the cursor to reference zero point

Figure 5-6

Measuring splice loss

the distance between marker A to marker B

1. Click System from main menu, then System Sub-menu is appears. Click

Set OTDR, the Set Otdr windows appears, then select Splice and return.

There are four markers(a, A, B, b).

2. Zoom in the trace and position marker A at the end of the linear area

preceding the event to be measured. For more information, see Moving

Markers on page 16.

3. Zoom in the trace and position marker a at the beginning of the linear area

preceding the event to be measured.

4. Zoom in and position marker B at the beginning of the linear area following

the event to be measured.

5. Zoom in and position marker b at the end of the linear area following the

event to be measured.

6. Then the splice loss of event is display on the screen. See the following

figure. 18

Information on the screen

The average loss (dB/km) of a― A The average loss(dB/km)

of B― b

The splice loss of event

Figure 5-7 Place marker a at

Place marker B at a

the beginning of the linear area preceding the event to be measured

A

Place marker A at the end of the linear area preceding the event to be measured

the beginning of the linear area following the event to be measured

B

event to be measured

Place marker b at the end of the linear area following the event to be measured

b linear area preceding the event (must not include any events)

linear area following the event (must not include any events)

19

Information on the screen Measuring average loss (dB/km)

1. Click System from main menu, then System Sub-menu is appears. Click

Set OTDR, the Set Otdr windows appears, then select Loss and return.

There are two markers(A, B).

2. Place markers A and B at any two points on the trace.

3. Zoom in the trace and fine-turn the marker positioning if necessary.

4. If arithmetic is TPA, then a two-point method measures the average loss

(dB/km) between two selected points. Only those two points are used to

perform the calculation.

5. If arithmetic is LSA, then the least-square approximation (LSA) method

measures the average loss(dB/km) between two points by fitting a straight

line to the backscatter data between markers A and B. The average loss by

LSA method corresponds to the difference in power (dB) for the distance

between two points.

The LSA method , when compared to the two-point method, gives an

average measurement and is more reliable in noisy situations. However, it

should not be used if an event appears between the two markers.

The default notification section, the arithmetic is TPA_LSA. It means the

OTDR will auto select TPA or LSA in different situations.

Measuring Reflectance

To measure reflectance,

1. Click System from main menu, then System Sub-menu is appears. Click

Set OTDR , the Set Otdr windows appears, then select Return and return.

There are two markers(A, B).

2. Zoom in and position marker A at the end of the linear area preceding the

event to be measured.

3. Zoom in and position marker B at the top of the reflective event. see the

following figure. 20

Managing Traces the reflective event to be measured

Figure 5-8

21

the value of reflectance

Managing Traces

6 Managing Traces ( i.e. Managing File)

This chapter of the manual explains how to

● Recall a trace file

● Store a trace file

● Delete a trace file

● Clean a trace on the screen

● Transmit trace files between the OTDR and PC computer. Click File from Main Menu, then File Sub-menu is appears. See the following figure.

File Sub-menu

Figure 6-1 Recalling a trace file

1. Click Read from File Sub-menu. The Recall File window appears.

22

Managing Traces

Figure 6 - 2

the actual sub-directory

the file selected by bar cursor

the actual drive

the extension of file

the actual selected filename

Page-Up button

The list of files

Figure 6 - 3

2. Click Drive, you can select the drive C or D .

Page-Down button

3. Click Ext., you can select the extension of file (.ei or .sor). If the extension

is ei, the format of file is the AV6413 . If the extension is sor, the format of

file is BellCore.

4. Click Path , you can input the sub-directory of file. 23

Managing Traces

Figure 6 - 4

This function can’t create new sub-directory.

After you set the sub-directory, you must click Path again, then you

return to the Recall File windows, and you can click the other button

such as Drive, Ext.

5. Click Enter from menu, you return to the File Sub-menu and the selected

trace appear in the screen. recall the selected trace and return the File Sub-menu

return the File Sub-menu without recalling the trace file. Move-Up the bar cursor

Move-down the bar cursor

Select next group files. The number of every group is 50.

return the File Sub-menu

24

Storing a trace file

Managing Traces

1. Click Save from File Sub-menu . The Store File window appears. Figure 6 - 5

2. If necessary, change the location of the file to be stored and change the file

name. For the detailed method of operation see Recall a trace file on page

23.

3. You can select the extension of file (.ei or .sor). If the extension if ei, the

format of file is the AV6413. If the extension is sor, the format of file is

BellCore.

4. Click OK to save the file. The Store File windows disappears

and you

return to the File Sub-menu windows. To return to the File Sub-menu

windows without storing the trace file, click Cancel.

Deleting a trace file

1. Click Delete from File Sub-menu. The Delete File windows appears.

2. You can change the location of the file. For the detailed method of

operation see Recall a trace file on page 23.

3. Click Enter to delete the selected file and return to the File Sub-menu

windows. To return to the File Sub-menu windows without deleting , 25

Click Cancel.

Managing Traces

Clean a trace on the screen Click Cleanup from File Sub-menu , the trace displayed on the screen is cleaned. Transmit trace files between the OTDR and PC computer

Click Transmit from File Sub-menu, the Transmit windows appears. Figure 6 - 6

Click PARALLEL or USB, then quit the main procedure of the OTDR and the transmit windows appears. If you transmit datas by parallel, You have to power up the OTDR again, and can run the main procedure of the OTDR. If you transmit datas by usb, You click EXIT on the transmit windows , then can run the main procedure of the OTDR.

Click Cancel，then return the main procedure of the OTDR and without running the transmit software.

Click PARALLEL, the transmit windows by parallel appears. See following figure. 26

the content of OTDR

Managing Traces

commands

the content of PC

Figure 6 – 7

Click USB, the transmit windows by usb appears. See following figure. Figure 6 - 8

For more information, see Addendum A on page 35 or Addendum B on page 37.

27

Printing a trace report and other operations

7 Printing a Trace Report print button

When you select the printer (for more information, see Set OTDR on page 30) and the model of printing, click , then you can print trace reports directly from the AV6413 OTDR by parallel or usb . However, before you do it, you have to configure the printer. You can select EPSON LQ series or compatible printer such as Canon BJC255 or BJC85 , or EPSON STYLUS C41/C43 SX/UX, or Canon BJC1000SP, or EPSON ME 1 .

You also can transmit trace files to PC computer, and recall it by OTDR simulation software (6413F for win9x), then you can print trace reports by any type of printer.

If event table isn’t empty, the trace report that prints has event table,

otherwise, the trace report that prints hasn’t event table.

8 Other operations Comparing trace

You can compare two traces on screen. it means that the actual trace is trace Ⅰ .

Click One, this button reads Two, and the actual trace is trace Ⅱ . it means that the actual trace is trace Ⅱ .

Click Two, this button reads One, and the actual trace is trace Ⅰ .

The color of actual trace is blue, the compared trace is gray. 28

Printing a trace report and other operations

the actual trace

the compared trace Figure 8 - 1

System Setting

Click System from Main Menu, the System Setting windows appears. Figure 8 - 2

29

Set otdr ：

Printing a trace report and other operations

Set the parameters of OTDR. For example grid、language、printer 、test mode、

test item ite. Figure 8 - 3

Report ： Set the information of fiber or cable. If you save the trace file in

Bellcore format, this information will be included in the file. Figure 8 - 4

30

Printing a trace report and other operations Threshold ： Set the threshold of event.

Figure 8 - 5

Update ： Update the main procedure or other files of OTDR.

Return ： Return the main menu. 31

Addendix

9 Maintenance and Troubleshooting

Cleaning the OTDR Output Ports

1. Remove the adapter screws using small crisscross screwdriver.

2. Pull the adapter with the attached fiber so that it extends about 30mm beyond

the OTDR.

3. Clean the fiber end with a lint-free cloth dampened with alcohol.

4. Clean the interior of the connector with the supplied cleaning swabs.

5. Attach the connector to the adapter.

6. Slide the fiber back into the OTDR and align the adapter.

7. Fix two of the adapter’s crisscross screw back to the OTDR. Cleaning the Touchscreen

Clean the touchscreen with a soft, non-abrasive cloth. 32

Troubleshooting

Problem Cause

No power up

The OTDR doesn’t

measure trace.

The distance of

fiber to be

measured is

inaccuracy

Printer doesn’t print

out information.

Can’t transmit trace

files between the

OTDR and PC

computer

Can’t transmit trace

files between the

OTDR and

USB-Disk

Dim screen

characters

Warranty

The battery pack is

discharged .

The OTDR is not

connected to an external

power supply

The fiber is stained.

a. The IOR is incorrect.

b. The helix factor is

incorrect.

The type of printer

doesn’t match.

The parameters of

transmitting soft is

incorrect.

The USB-Disk doesn’t

match

The Brightness control

are not set properly.

Solution

Charge the battery pack.

Connect the OTDR to an

external power supply use

the AC/DC adapter.

Connect the OTDR to an

external power supply use

the AC/DC adapter.

Clean the fiber and adapter.

a. You should set the IOR

and helix factor accordant

with the cable or fiber

manufacturer.

Please select the matching

printer. For more

information see Printing a

trace report on page 28.

Set the correct parameters

of transmitting soft . For

more information see

Addendum A.

Please select the matching

USB-Disk.

Adjust the Backlight Button.

If the problem persist, call us.

33

10 Warranty

General Information

Warranty

The 41st Institute of CETC warrants this equipment against defects in material

and workmanship for a period of one and a half of year from the date of

original shipment ( not include battery pack). The 41st Institute of CETC also

warrants that this equipment will meet applicable specifications under normal

use. But batteries and USB-Disk are not covered by this warranty.

IMPORTANT The warranty can become null and void if

● the equipment has been tampered with, repaired, or worked upon by

unauthorized individuals or non-41st personnel.

● case screws, other than those specified in this manual, have been

removed.

● the equipment has been opened without permission of the 41st Institute

of CETC.

● the equipment has been misused, neglected, or damaged by accident.

34

Addendum A

Use of transmit software

Addendum A

You can transmit trace files between the OTDR and PC computer.

1. Use the Parallel Communication Cable(include accompanying accessories) to

connect the parallel port of OTDR (see page 5) and the parallel port of PC

computer.

2. Click File from Main menu of OTDR, the File Sub-menu windows appears.

Then click Transmit from File Sub-menu. After suggestive information

appears, click OK, then the Transmit windows appears (For more

information see page 26). Run transmit software on the PC computer. If

parameters of software are correct, the transmit windows on the screen of the

OTDR see following.

commands 3. The primary command is explained following. For more information, see the

help of software.

H ： Displays help of the transmit software.

L ： Lets you log onto new drive, directory, or disk.

T ： Alternately places and removes a tag at the single file or subdirectory

selected by bar cursor. Tagged items can be copied or erased all at once. 35

Addendum A C ： Copies the single file or subdirectory selected by bar cursor or multiple

items selected by tags.

O ： Alters the operation of software. For more information, see separate Help

screen for this command.

ESC ：Quit the transmit software after you press [Y].

4. The fault notification, the operations of software see following：

36

Addendum B

Use of usb software

Addendum B

You can transmit trace files between the OTDR and USB-Disk.

MoveUp bar cursor bar cursor

Copy to OTDR

PageUp Copy to USB-Disk

places or removes the tag at the single file selected by bar cursor

Pathway ： Change the directory of OTDR (C:\OTDR\EI or D:\OTDR\EI), or

Change the directory of USB-Disk (root directory or subdirectory).

Tag ： Alternately places and removes a tag at the single file selected by bar

cursor. Tagged items can be copied or erased all at once.

Page ： Alternately places and removes tags at the files of current page.

ALL ： Alternately places and removes tags at all files of current directory.

Copy ： Copies the tagged items from OTDR to USB-Disk; or copies the tagged

items from USB-Disk to OTDR.

Del ：Delete the tagged items.

Quit ： Quit USB transmit windows and return OTDR main-windows.

Help ： Display or clear the Help Windows. 37