Anritsu MW9060A User manual

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OPTICAL TIME DOMAIN
REFLECTOMETER
OPERATION MANUAL
FIRST EDITION
JUL.
1993
MEASURING INSTRUMENTS DIVISION
ANRITSU CORPORATION
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OPTICAL TIME DOMAIN
IiEFLE CrI'OME'1'13R
OPERA'I'ION
MANUAL
JUNE 1993 (FIRST EUI?'ION)
Copyright @ 1993 by ANIEI'I'SU COIII'OItArI'ION
All rights reserved.
No partof this manual may be reproduced
without thc prior
written permission of ANI1I'I'SU CORPOItA'I'ION.
Thecontents of this
manual may be changed without prior notice.
I-'rinted
in Japan
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NO OPERATOR SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED PERSONNEL.
FOR CONTINUED FIRE PROTECTION REPLACE
ONLY
WITH SPECIFIED TYPE AND RATED FUSE.
iii
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( Blank )
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SAFETY CONSIDERATIONS:
Anritsu uses the following labels to identify safety precautions which should
be followed to prevent personal injury or product damage. Please familiarize
yourself with thembefore operatingthisproduct.
Labels used in this manual:
Note:
Indicates that the procedure could result in personal injury if
not correctly performed. Do not proceed before you fully
understand the explanation given with this symbol and meet
the required conditions.
Indicates that the operatingprocedure could result in damage
to the product if not correctly performed. Do notproceed before
you fully understand the explanation given with this symbol
andmeet the required conditions
Indicates that information helpful in understanding the
operation of the product isaboutto be presented.
Labelsor symbols used on/in the product:
/;1
This international caution symbol indicates that the operator
should refer to the operation manual before beginning a procedure.
This symbol indicates an earth (ground) terminal. The product
@
should be grounded via the earth terminal if a three prong power
cord is not used.
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CERTIFICATION
ANRITSU CORPORATION certifies that this instrument hasbeen thoroughly tested and inspected, and
found to meetpublished specifications prior to shipping.
Anritsu further certifies that its calibration measurements are based on the Japanese Electrotechnical
Laboratory andRadio Research Laboratory standards.
WARRANTY
All parts of this product are warranted by Anritsu Corporation of Japan against defects in material or
workmanshipfor a period of one year from the dateof delivery.
In the event of a defect occurring during the warranty period, Anritsu Corporation will repair or replace
this product within a reasonable period of time after notification, free-of-charge, provided that: it is
returned to Anritsu; has not been misused; has not been damaged by anact of God; and that the user has
followed the instructionsin the operation manual.
Any unauthorized modification, repair,orattempt to repair, will render thiswarranty void.
This warranty is effective only for the original purchaser of this product and is not transferable if it is
resold.
ALL OTHER EXPRESSED WARRANTIES ARE DISCLAIMED AND ALL IMPLIED WARRANTIES FOR THIS
PRODUCT, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, ARE LIMITED IN DURATION TOA PERIOD OF ONE YEAR FROM THE DATE OF DELIVERY. IN NO
EVENT SHALL ANRITSU CORPORATION BE LIABLE TO THE CUSTOMER FOR ANY DAMAGES, INCLUDING
LOST PROFITS, OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF THE USE OR
INABILITY TO USE THISPRODUCT.
All requests for repair or replacement under this warranty must be made as soon as possible after the
defect has been noticed and must be directed to Anritsu Corporation or its representative in your area.
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Note I:
1. Theinstrument is operable on a nominal voltage of 100 to 127Vac or 200 to 250 Vac by changingthe
voltage-ratingselectionswitch under thetop cover.
-
The voltage andcurrent ratingsareindicatedon the rear panel when the instrument is shipped from
thefactory.
To operate on the other voltage, change the selection switch. The plate on
the rear panel indicating
the voltage and current ratings should be changed to the appropriate one. Order the plate from
ANRITSU CORPORATION if needed.
2. In this manual, the power supply voltage and current ratings are represented by **Vac and ***A,
respectively.
3. The relationship between power supply voltage andcurrentratings
is shownbelow.
Note 2:
STORAGE MEDIUM
Thisequipment storesdata and programs using
IC card (PMC), backed-up memories.
Data and programs may be lost due to improper use or failure.
ANRITSU thereforerecommends that you back-up the memory
ANRITSU CAXNOTCOMPENSATION FOR ANY MEMORY LOSS.
Please pay careful attention to the following points. Do not remove the IC card (PMC) from equipment
being accessed.
For details refer to the relevant operation manual.
(IC card: PMC)
Isolate the card from static electricity.
The back-up battery in the card has a limited life; renew the battery periodically. See paragraph 2.8
for the life.
(Backed-upmemory)
Isolate the memory from staticelectricity.
Note:
The battery life isabout 7 years. Earlybattery replacement is recommended.
vii
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Note 3:
Notation of operation keys,etc.
Inthe description of thismanual, the operation keys, knobs, etc. arerepresented asfollows:
I Notationexample
I Panel key
Marker
[-1, [-q
I Soft key
1 CONDITION , -1
I Rotary knob
I Indication of operation procedure
I Lampordoff
Marker
Off Auto
El a
Explanation
When only keys are indicated in the description of
operation procedure, it means you simply press the
key.
For soft keys, itmeans you press the soft key (F1to
F6)that corresponds to the label.
An arrow is used when it is necessary to clearly
indicate the sequence of key andotheroperations.
In the example shown on the left, you first press the
soft key corresponding to MASK, then turn the
rotary knob, and then press the soft key
corresponding to SET.
Whether the lamp goes on or off when the key is
pressed isrespectively indicated by:=: and
I.
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(Continued)
Notation example
Softkey label
L1: (lJ3)
CONDITION
MEASURE
Explanation
This indicates an example of soft key labels
displayed on screenwhen you operatethekey.
L1 indicates thefirstlayer, and the second and third
layersarerespectively indicated by
L2 and L3.
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TABLE OF CONTENTS
SECTION 1 OVERVIEW ............................................................ 1-1
1.1 Product Outline
.................................................. 1-1
. .
1.2 Manual Organ~zat~on ............................................. 1-2
1.3 EquipmentComposition
.......................................... 1-3
1.3.1 Standard composition
.................................... 1-3
1.3.2 Plug-inunits
............................................ 1-3
1.3.3 Options
................................................. 1-4
1.4 OptionalAccessories and Peripheral Devices
........................ 1-5
SECTION 2 PREPARATIONSBEFORE USE ........................................ 2-1
.................... 2.1 EnvironmentalConditions atPlace of Installation 2-1
2.2 Safety Protection
................................................. 2-2
.............................................
2.2.1 LaserSafety 2-2
2.2.2 Electrical safety
.......................................... 2-2
.................... 2.3 HandlingPlug-in Unitsand GPlB InterfaceBoard 2-3
2.3.1 Plug-in unitschange
..................................... 2-3
2.3.2 GPlB interfacechange
.................................... 2-6
2.4 PreparationsbeforePower-on
..................................... 2-7
...
2.5 PrecautionsonHandling Fiber-optic Cablesand Optical Connectors 2-7
.... 2.6 Cleaning Connector (MW0944B/MW0945B/MWO946B/MW0947B) 2-9
2.7 Changing Connector (MW0967B)
.................................. 2-11 -
............................
2.8 PrecautionsonHandlingStorage Media 2-13
2.8.1 Plug-inmemorycard
..................................... 2-13
2.8.2 Floppydisk
.............................................. 2-16
............
SECTION 3
DESCRIPTIONOF OPERATION KEY
3.1 Description ofPanel .............................................. 3-1
. .
3.2 Descr~pt~onofSoft-key ............................................ 3-7
3.2.1 The FirstLayer
........................................... 3-7
...................... 3.2.2 The Second Layer andThe Third Layer 3-12
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SECTION 4
BASICMETHOD OF OPERATION .....................................
4- 1
4.1 Power-on
4- 1
.......................................................
...................................................
4.2 Screen Display 4-2
4.3 Basic Operation
..................................................
4-5
4.3.1 Itemsof basic operation ..................................
4- 5
...............................
4.3.2 Exampleof basic operation 4-6
.......................................
4.4 Basic CircuitConfiguration 4-13
........
SECTION 5
DETAIL METHOD OF OPERATION
...................................
5.1 Sampling Range and Resolution
...............................
5.2 SelectingMarkerand MovingCursor
.................
5.2.1 Examples ofselecting and moving markers
..........................
5.2.2 Markersoutside scale area --
............
5.3 SettingVertical-Axisand Horizontal-AxisShiftsandScale
..........
5.3.1 Examples ofexpandingfaultlocationandshifting
vertical/horizontal axes
.............................
5.3.2 Examples of operationfailure
.....................
5.4 SelectingMeasurement Mode(Splice/Loss) and
ApproximationMethod
(LSA12PA)
.....
5.4.1 Exampleof setting whenmeasuringsplice loss withLSA
...........................
5.4.2 Principleofsplice measurement
................................
5.4.3 Approximated line byLSA
5.4.4 Principleofsplice loss &deadzone loss
....................
(SPL & DZL) measurement
.................
5.5 ReturnLoss (Reflection Factor) Measurement Mode
.................................
5.5.1 Settingreturnloss mode
5.5.2 Settingthefiber parametersfor returnloss measurements
. .
5.5.3 Computing returnloss ...................................
5.6 Settingthe Measurement ConditionsforAuto FaultLocation ........
5.6.1 Exampleof measurement conditions ......................
(THRESHOLD, DATASELECT) setting
5.7 Settingand Clearing Mask
........................................
5.7.1 Exampleofsettingmask .................................
5.7.2 Exampleofclearing mask ................................
5.8 Varying Near-End MaskWidth .............................
.......................................................
5.9 Averaging
5.9.1 AveragingStartand LimitValue Setting
...................
...
5.9.2 Exampleofsetting averaging limitandstartingaveraging
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..................................................
FullTrace Mode
...................................
5.10.1 Settingfulltrace mode
SweepMode
.....................................................
.....................................
5.1 1.1 Settingsweep mode
5.1 1.2 Samplingresolution, numberofdata, andrange ............
inFAST mode
5.11.3 Sampling resolution, numberofdata, and range
............
inNORMALmode
.....................................
Output-Power Variable Mode
....................................
5.12.1 Setting output power
..............................................
SettingtheCalendar
.........................................
Setting ExternalInterface
SavingandRecalling
..............................................
.............................
5.16.1 Exampleofformattingmedia
..... 5.16.2 Exampleofsaving measurementscreen inINT MEMORY
..................
5.16.3 Exampleofsaving measurementscreen in
INTPMCor INT FDD
.................
5.16.4 Exampleofrecallingwaveform (read) from
INTPMCand INT FDD
.................................
5.16.5 Exampleofdeleting files
........................................
5.16.6 External memory
...................................... ProducingScreen Hard Copy
5.17.1 Producinghard copy of measurementscreen
...............
atinternal printer
...
5.17.2 Producinghard copy offile nametable atinternal printer
5.17.3 Producinghard copy ofevent table and measurement
.......
procedure screensatinternal printer
5.17.4 Replacement of Internal printer paper
.....................
5.17.5 Producinghardcopy atexternal printer or plotter ...........
SettingWaveform Compare Mode .................................
...................................................... Smoothing
..................................
5.19.1 Settingsmoothing level
........................... 5.19.2 Performing smoothingfunction
................
Relative DistanceMeasurement(H-REF ADJ) Function
..............
5.20.1
Setting relative distance measurementmarker
..............
MeasurementResult DisplayPositionSetting Function
(RESULT DlSPAREA)
.....
5.21.1 Exampleof measurement resultdisplay positionsetting
xii
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............................
5.22 Event (EVENTS) Measurement Function
................................
5.22.1 Eventmodemeasurement
..........................
5.22.2 Savingand recallingeventtable
............................................
5.23 PROCEDURE Function
5.23.1 Exampleofsetting measurementprocedure
...............
byPROCEDUREfunction
..........
5.23.2 Exampleofexecutionof measurementprocedure
byprocedurefunction
5.24 SoftKeys
........................................................
.....................................
5.24.1 Outline ofoperation
....................................
5.24.2 Hierarchicalstructure
..................
5.24.3 Description offunctionsof 1stI2nd layers
...................................................
5.25 [Initialize] Key
SECTION 6 MEASUREMENT ................................... -- 6-1
..............
6.1 MeasuringAbsolute Distance .....................................
6-2
6.2 Measuring Relative Distance
...................................... 6-6
.....................
6.3 MeasuringSplice Loss (fused connectionpoint) 6-10
............................
6.4 MeasuringSplice Loss (connector point) 6-13
......................................
6.5 MeasuringTransmission Loss 6-16
.......................
6.6 Loss Measurement IncludingDead Zone Loss 6-19
...........................................
6.7 MeasuringReturn Loss 6-23
..............................................
6.8 Auto Fault Location 6-25
6.9 Measuring DistancebetweenTwo Proximata Connecting Points
...... 6-29
................................................
SECTION 7 PERFORMANCETEST 7-1
7.1 Needfor PerformanceTest
........................................ 7-1
...............................................
7.2 Testing Equipment 7-2
7.3 Test Method .....................................................
7-3
7.3.1 Specifications
........................................... 7-3
7.3.2 Wavelength Test ........................................ 7-5
7.3.3 PulseWidthTest
..................... : ................... 7-7
.......
7.3.4 Dynamic-rangetest forone-way back-scattered light 7-10
................ 7.3.5 Testing Accuracy of Distance Measurement 7-17
................................
7.3.6 Vertical-axisaccuracy test 7-20
7.4 Service ...................................................... 7-26
xiii
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........................................................
SECTION 8 CALIBRATION 8-1
.........................................
SECTION 9 STORAGEAND TRANSPORT 9-1
9.1 Daily Maintenance
............................................... 9-1
9.2 Storage ....................................................... 9-2
9.3 Repackaging a'ndTransport ....................................... 9-3
APPENDIX A SOFT-KEY LAYER TRANSITION DIAGRAMS ...................... A-1
A1 FormatofSoft-Key Layer Transition Diagrams ....................... A-1
A2 Layer Transition Diagrams ......................................... A-2
APPENDIX B FRONTAND REAR PANEL LAYOUTS ............................. B-1
xlv .
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SECTION 1
OVERVIEW
This section outlines the features of the MW9060A Optical Time Domain Reflectometer and the
organization of this manual, aswell asdescribes the equipment composition of the MW9060A when
it is used with standard fittings, plug-in units, expansion options, optional accessories and
peripheral devices, andspecifications.
1.1 Product Outline
The MW9060A Optical Time Domain Reflectometer letsyou automatically or manually detect fault
locations in fiber-optic cables and measure cable splice loss, optical-connector connecting loss, etc.
with high accuracy. With its wide dynamic range of 34 dB in wavelength
1.3 ,urn band or 32 dB in
1.55 pm band, itcan made precise measurement with a 10cm read-out resolution even for 250 km
long-distance measurement. The MW9060A is equipped with a high-speed printer and floppy disk
drive so that the waveform can be printed outand saved to microfloppy disk atthe site and the data
can be processed with a personal computer.
An event point registration function which measures preregistered measurement points and
displays them in an event table, and a procedure function which registers a stringof operations and
re-executes them by one key operation, areadvantageous in automatingmeasurement.
The MWSOGOA comes with plug-in units that you can simply fit into it after selecting the
appropriate type depending on the measurement wavelength band, kind of fiber, or measurement
range (distanceand resolution).
The T\'lWSOGOA is designed and manufactured conforming to the FDA optical safety standard
21CFR1040.10, andisclassed asClass-1 Laser Equipment under the standards.
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1.2 Manual Organization
This manual consists of nine sections and an appendix. The following outlines the contents of each
section.
Sections
I
Contents
I
Section 3 Description of Panel
Section
1 Overview
section
2 preparations ~~f~~~ use
Names and functions of keys, connectors, knobs,
indicators, etclocated on front andrear panels
Product outline, manual organization, standard
equipment composition, plug-in units, options,
optional accessories and peripheral devices, and
MW9060A specifications
Various preparatory operations before using the
MW9060A (before power-on) and precautions to be
observed when usingthe equipment
Section
4
Basic Method of operation Basic operations for distance range, pulse width, and
refractive index settings; and basic configuration
of
screen information andcircuitry
I
Section 5
Detail Method of Operation Details On how to Use various functions using panel
keys and soft keys
Section 6 Measurement
Section
7 Performance Test
Methods of measuring distance, splice loss, and
transmission loss, as well as auto fault location
measurement method
Measurement equipment, setup, and test procedure
necessary for conductingperformance tests
Section
8 Calibration
Section 9 Storageand Transport
Thus, reading sections
2, 3, 4, and 6 you will learn the basic procedure to make measurement with
the MW9060A.
- -
Calibration period and calibration items
Daily maintenance, long-term storage, and
repackaging and transport
Appendix
When using the hIW9060A, also refer to the operation manual for GPIB. It will help you know
detailson GPIB based remote control.
Front and rear panel layout diagrams and soft key
hierarchy transition dagrams
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1.3 Equipment Composition
1 .XI Standard composition
Table 1-1shows the standardcomposition of theMW906OA.
Table 1-1 Standard Composition
Name
MW9060A Optical Time Domain Reflectometer
frame
lain I I
Remarks
1
Accessories
supplied
The MW9060A comes with one of the plug-in units listed in Table 1-2 that you can simply fit into
the main framefor making measurement.
1.3.2 Plug-in units
Table 1-2lists the plug-in units used for the MW9060A
50017
F0013
20240
W0667AE
Table 1-2 Plug-in Units
Power cord, 2.5 m
Fuse,
5 A
Printerpaper
Operationmanual
Model No. Name
Plug-in unit
Plug-in unit
Plug-in unit
Plug-in unit
Plug-in unit
Plug-in unit
Remarks
Used for 1.31pmSM fiber, shortdistance,high
resolution
Used for l.3lll.55pm SM fiber,shortdistance,
high resolution
Used for 1.31pm SM fiber, long-distance, wide-
dynamic range measurement
Used for 1.55
pm SM fiber,long-distance, wide-
dynamic range measurement
Used for 1.3111.55pm SM fiber,long-distance,
wide-dynamicrange measurement
Used for 0.8511.30 pm GI fiber, shortdistance,
high resolution
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1.3.3 Options
Table 1-3 liststheoptionsused for theMW9060A.
Table 1-3 Option
--
Model NoJOrder No.
Name
I Remarks
Note:
The PC 9800 series areproducts of the NEC Corporation.
:PIB interface
.2MB FDD
14 connector
LT&T Biconic connector
impheno1906
'C-PC connector
Format
correspondingto
NEC PC-9800
series
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1.4 OptionalAccessories and Peripheral Devices
Tables 1-4and 1-5list theoptional accessoriesandperipheraldevices.
Table 1-4 OptionalAccessories
--
Model No./Order No.
FC-AP
JOZOO*
Name
Unitadapter
CRThood
Memory card
Memory card
Memory card
Memory card
Memory card
GPIBconnection cable,
1 m
GPIBconnection cable, 2 m
Coaxialcable, 1 m
Coaxial cable, 2 m
Adapter
Opticalfiber cord
Optical fibercord
FClD4conversion cord
FC/D4conversioncord
FCIBiconic conversion cord
FCIBiconic conversion cord
FCIDIAMOND conversioncord
FCIDIAMOND conversioncord
FCIDIN conversion cord
FCIDIN conversion cord
FC/ST conversion cord
FCIST conversion cord
FCISC conversion cord
FCISC conversion cord
Connectorcleaningset
UA455A carryingcase
Protective cover
Remarks
Adapter to mountplug-in
unit
RAM, 32
k bytes
RAM,
64 k bytes
RAM, 128
k bytes
RAM,256
k bytes
RAM, 512
k bytes
408JE-101
408JE-101
Used forconnecting
UA455A videoplotter
Usedforconnecting
UA455A videoplotter
GI optical fibercord with
FCconnectors atboth ends
SMoptical fibercord with
FCconnectors atboth ends
GI optical fiber
SMoptical fiber
GI optical fiber
SM optical fiber
GI optical fiber
SM optical fiber
GI optical fiber
SM optical fiber
GI optical fiber
SM optical fiber
GI optical fiber
SM optical fiber
* Specify thedesired type with character A to C according to the length of fiber cord. (A: 1 m, B: 2
m, C: 3 m)
Flat polished connectors are used for connectors of the optical fiber cord and conversion cord.
Pleasecontact us separately for PC type connectors.
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