Operation Guide
PRO-6350
OTDR
V.5.18.2016
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PRO-6350
Notices
Copyright© 2016, Precision Rated Optics, All rights reserved.
No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval
or translation into a foreign language) without prior agreement and written consent from Precision Rated Optics,
as governed by international copyright laws.
Warranty
The material contained in this document is subject to change without notice. Precision Rated Optics makes no
warranty of any kind with regard to this material, including, but not limited to, the implied warranties of
merchantability and fitness for a particular purpose. Precision Rated Optics shall not be liable for errors contained
herein or for incidental or consequential damages in connection with furnishing, performance, or use of this
material. The battery is a consumable part and is not subject to the PRO-6350 warranty.
ISO9001 Certification
Produced to ISO9001 International Quality System Standard as part of Preci sion R ated Opti cs, is objective of
continually increasing customer satisfaction through improved process control.
Safety Instructions
During each stage of operation of this instrument, please always observe the following safety instructions. Not
taking any safety precautions or following the instructions will violate the safety standards of design,
manufacturing and application of these instruments. In no case will Precision Rated Optics bear the
responsibilities for consequences incurred by violation of the following instructions.
General
This product is a Safety Class 1 instrument. The protective features of this product may be impaired if it is used in
a manner not specified in the operation instrument.
Environmental Conditions
It is designed to operate at a maximum relative humidity of 95% and at altitudes of up to 2000 meters. Refer to
the specifications tables.
Before Applying Power
Verify that the product is set to match the available line voltage, the correct fuse is installed, and all safety
precautions are taken. Note the PRO-6350’s external markings described under Symbols.
Do Not Operate in an Explosive Atmosphere
Do not operate PRO-6350 in the presence of flammable gases or fumes.
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PRO-6350
Do Not Remove the PRO-6350 Cover
Operating personnel must not remove instrument covers. Component replacement and internal adjustments must
be made only by qualified service personnel. Instrument that appears damaged or defective should be made
inoperative and secured against unintended operation until they can be repaired by qualified service personnel.
Safety Terms Used in This Manual
The WARNING sign denotes a hazard. It calls attention to a procedure, practice, or the like, which, if not
correctly performed or adhered to, could result in personnel injury. Do not proceed beyond a WARNING sign
until the indicated conditions are fully understood and met.
The CAUTION sign denotes a hazard. It calls attention to an operating procedure, or the like, which, if not
correctly performed or adhered to, could result in damage to or destruction of part or the entire product. Do not
proceed beyond a CAUTION sign until the indicated conditions are fully understood and met.
The NOTE sign information that may be beneficial during the use and maintenance of the PRO-6350.
Laser Safety Announcements
Warning
The PRO-6350 is a laser instrument. Users should avoid looking directly into the optic output.
• Always avoid looking directly into the optical output port, when the PRO-6350 is working. And the use
of microscope or magnifier should also be avoided, for the use of such devices can focus a highly intense
beam onto the retina, which may result in permanent eye damage.
• Always replace protective dust cap on the probe port when the PRO-6350 is not being used.
• Always avoid looking directly at unconnected end of optic fiber in testing and make the unconnected end
pointing at a non-reflective ob ject if availab le.
Electric Safety Announcements
If need to assure instrument thorough outage, please pull up power line and take the battery out.
Warning
• AC/DC adapter should be used only indoors.
• The ambient air of the PRO-6350 place should be free flow.
• Any using of electric tools near inflammable gas or smog will be a big safety threat.
• In order to avoid electric shock, please don’t use instrument if there is damage on any outside surface part
(top cover, panel, etc)
• Only qualified professional staff can do electrified adjustment, maintenance and repair to the operating
instrument.
• Even if the PRO-6350 power is cut off; the capacity in the PRO-6350 might be electrified for some time
after that.
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PRO-6350
Agreement and Statement
Button or menu: The operating units in GUI that can be clicked by stylus, indicated by letters in square brackets,
e.g. [Setup] and [Start].
Key: The function key on front panel, indicated by letter or icon in quotation marks, e.g. “ ” (POWER)
and “ ” (BACKLIGHT).
Option label: Indicated by letters in brace, e.g. {Event} and {Trace Parameter}.
Label and subordinate specific options: Indicated by letters in angle brackets and square brackets, e.g. <Mode>
[Average], which stands for averaging mode option; <Wavelength> [1310nm ], which stands for 1310nm
wavelength option.
Mode or module: Indicated by letters in quotation marks, e.g. “OTDR” and “OCI”.
Conversation: Indicated by letter in quotation marks e.g. “Confirm” and “Cancel”.
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PRO-6350
Table of Contents
Specifications ..........................................................................................................................................................11
1 General Information ......................................................................................................................................12
1.1 Scope of this Manual ................................................................................................................................12
1.2 Introduction ..............................................................................................................................................12
1.3 Product Appearance ..................................................................................................................................13
1.4 Front Panel Indicators Introduction ..........................................................................................................14
1.5 Front Panel Keys Instruction ....................................................................................................................14
1.6 Operating Parts Instructions .....................................................................................................................15
1.7 Instrument Interfaces Instructions ............................................................................................................16
1.8 GUI Icons Instruction ...............................................................................................................................18
1.9 Power Instruction .....................................................................................................................................19
1.10 Use of Rechargeable Battery ...................................................................................................................19
2 Basic Operation ..............................................................................................................................................20
2.1 Foreword...................................................................................................................................................20
2.2 Power On/Off ...........................................................................................................................................20
2.3 Enter and Exit Power Saving Mode .........................................................................................................20
2.4 Adjust LCD Brightness ............................................................................................................................21
2.5 Start Application .......................................................................................................................................21
2.6 Install USB Keyboard/Mouse ...................................................................................................................22
2.7 Printer Configuration ................................................................................................................................22
3 Common Settings and Special Settings ........................................................................................................24
3.1 Main Setting Menu ...................................................................................................................................24
3.2 Select language .........................................................................................................................................24
3.3 Automatic Power Saving Setting ..............................................................................................................24
3.4 Recalibrate Touch Scr een ........................................................................................................................25
3.5 Serious Deviation of Touch Screen .........................................................................................................25
3.6 Date and Time Settings ...........................................................................................................................25
3.7 Other Parameters Configuration ...............................................................................................................26
3.8 Load Default .............................................................................................................................................26
4 Basic Information of OTDR Module ............................................................................................................27
4.1 Principle of OTDR Module ......................................................................................................................27
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4.2 Measurement Application of OTDR ........................................................................................................27
4.3 Basic Definition and Classification of Events ..........................................................................................27
4.3.1 Reflection Events ..............................................................................................................................28
4.3.2 Non-reflection Events .......................................................................................................................28
4.4 Optic Fiber Link and Event Types ..........................................................................................................28
5 Instruction of OTDR Modules of The PRO-6350 ........................................................................................29
5.1 Main Features of OTDR Module..............................................................................................................29
5.2 Measurement Mode of OTDR module .....................................................................................................29
5.2.1 Auto Mode and Manual Mode ..........................................................................................................29
5.2.2 Averaging Mode and Realtime Mode ..............................................................................................29
5.2.3 In-service Mode and Normal Mode ..................................................................................................29
5.3 OTDR Interface ........................................................................................................................................30
5.4 Icons Instruction in OTDR Interface ........................................................................................................31
5.5 Trace Processing .......................................................................................................................................32
5.6 Available OTDR Module .........................................................................................................................32
6 Prepare to Use OTDR ....................................................................................................................................33
6.1 Connectors Instruction ..............................................................................................................................33
6.2 Cleaning and Connecting to Optical Fiber ...............................................................................................33
7. Test with OTDR ..............................................................................................................................................34
7.1 OTDR Quick Test .....................................................................................................................................34
7.2 Trace Processing .......................................................................................................................................35
7.3 Unsaved Traces ........................................................................................................................................35
7.4 Save Trace ................................................................................................................................................35
7.5 Auto Naming ............................................................................................................................................36
7.6 Open Saved Trace .....................................................................................................................................37
7.7 Trace Viewing and Analysis Operation ....................................................................................................37
7.8 Information and Function Windows ........................................................................................................37
7.8.1 Switch Information and Function Windows ....................................................................................38
7.8.2 Events info reference ........................................................................................................................38
7.8.3 Reanalyze .........................................................................................................................................38
7.9 Upload Trace to PC .................................................................................................................................39
7.10 Get help on OTDR ...................................................................................................................................39
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PRO-6350
8 Testing Optical Fiber in Auto Mode .............................................................................................................40
8.1 Instruction of Auto Testing Mode ...........................................................................................................40
8.2 The procedures of auto testing mode ........................................................................................................40
9 Testing the optical fiber in Manual mode ...................................................................................................41
9.1 Common using parameters for OTDR testing ..........................................................................................41
9.2 OTDR test parameters Configuration ......................................................................................................41
9.3 OTDR display and other Configuration ...................................................................................................42
9.4 Real time and average test mode ..............................................................................................................42
9.5 Range Configuration ................................................................................................................................43
9.6 Pulse Width Configuration .......................................................................................................................43
9.7 Averaging Time Configuration ................................................................................................................43
9.8 Laser Wavelength Configuration ..............................................................................................................43
9.9 IOR Setting ...............................................................................................................................................44
9.10 Scatter Coefficient (Back Scat ter ) Setting ...............................................................................................44
9.11 Non-reflection Threshold (Splice Loss Detecting Threshold) Setting ....................................................44
9.12 Reflection Threshold (Reflection Detecting Threshold) Setting ..........................................................44
9.13 End Threshold (Optical Fiber End Detecting Threshold) Setting ...........................................................44
9.14 Load Default ............................................................................................................................................44
10 Use OTDR Test FTTx-PON Network Optical ........................................................................................45
10.1 Use PON Optimized OTDR Instrument ...................................................................................................45
10.2 Select the Proper Distance Range .........................................................................................................45
10.3 End Threshold (Optical Fiber End Detecting Threshold) .....................................................................45
10.4 Test parameter recommendation value .................................................................................................45
11 Trace Analysis and Event Operation ........................................................................................................46
11.1 Open Trace File ....................................................................................................................................46
11.2 Simultaneous Display Multi Traces .....................................................................................................47
11.3 Close Trace File ....................................................................................................................................47
11.4 Trace Display and Operating Instruction ..............................................................................................47
11.5 Switch And Move Markers...................................................................................................................48
11.6 Switch And Move the Marked Point ....................................................................................................48
11.7 Fast Move the Markers Outside the Window .......................................................................................48
11.8 Lock AB Markers ....................................................................................................................................49
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PRO-6350
11.9 Zoom the Trace .....................................................................................................................................49
11.10 Cross Frame to Zoom the Trace ...........................................................................................................49
11.11 Use Zoom Toolbar to Zoom the Trace .................................................................................................49
11.11.1 Revert the Whole Trace View ......................................................................................................50
11.11.2 Zoom In Trace Horizontally ........................................................................................................50
11.11.3 Zoom Out Trace Horizontally ......................................................................................................50
11.11.4 Zoom In Trace Vertically ............................................................................................................50
11.11.5 Zoom out Trace Vertically ...........................................................................................................50
11.12 Remember the Zoom Status Automatically ..........................................................................................50
11.13 Move the Magnifie d Trace Window ...................................................................................................50
11.14 Operation of Event Options ..................................................................................................................51
11.14.1 Display the Event on the Trace and Locate Event In Even Sheet ................................................52
11.14.2 Add Event ....................................................................................................................................52
11.14.3 Modify the Event ..........................................................................................................................53
11.14.4 Delete event ..................................................................................................................................53
11.15 Analysis Detecting Threshold Configuration .......................................................................................54
11.16 Reanalyze the Trace..............................................................................................................................55
11.17 Analyze the Optical Fiber in Specific Optical Fiber Link ....................................................................55
11.18 Set Trace Display Parameter ................................................................................................................55
11.19 Set the Length Unit ...............................................................................................................................56
11.20 Display or Switch the Trace .................................................................................................................56
11.21 Check Current Trace Parameters ..........................................................................................................57
12 Manual Trace Analysis ..............................................................................................................................58
12.1 Use Markers ..........................................................................................................................................58
12.2 Event Location and Loss Information ..................................................................................................58
12.3 Measure Insertion Loss (2-point and 5-point method) .........................................................................58
12.4 Measure Attenuation (2-point and LSA method) .................................................................................61
12.5 Measure Reflectance.............................................................................................................................62
13 Trace File Management .............................................................................................................................64
13.1 Save Trace in Different Formats .............................................................................................................64
13.2 Copy, Move, Rename and Delete Trace ...............................................................................................64
13.3 Check Disk Space .................................................................................................................................65
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PRO-6350
14 Print OTDR Report ...................................................................................................................................66
14.1 Trace Information .................................................................................................................................66
14.2 Check and Edit Trace Information .......................................................................................................66
14.3 Print OTDR Report ...............................................................................................................................67
15 OTDR Module Built-in Stabilized Laser Source LS100 .........................................................................70
16 OTDR Module Built-in Optical Power Meter PM100 ...........................................................................72
17 VFL Application .........................................................................................................................................74
18 OCI (Optical Connector Inspector) of MCI100 .......................................................................................75
18.1 Inspect the Optical Connector ..............................................................................................................75
18.2 Adjust the Image’ Brightness and Contrast ..........................................................................................76
18.3 Focus Control .......................................................................................................................................76
18.4 Zoom Image ..........................................................................................................................................76
18.5 Capture Image ......................................................................................................................................77
18.6 View the Saved Image ..........................................................................................................................77
19 File Management ........................................................................................................................................78
19.1 Transfer Files or Folders between the PRO-6350 and USB Storage Device .......................................78
19.2 Transfer Files or Folders between the PRO-6350 and PC ....................................................................78
19.3 Delete Saved Files ................................................................................................................................79
20 Maintenance and Calibration ....................................................................................................................80
20.1 Cleaning of Optical Interfaces ..............................................................................................................80
20.2 Necessity of Cleaning ...........................................................................................................................80
20.3 Safety Instructions before Clean ing .....................................................................................................80
20.4 Cleaning Tools ......................................................................................................................................80
20.5 Cleaning Procedure ..............................................................................................................................81
20.6 Battery Charging Instructions ...............................................................................................................81
20.7 Battery Instruction ................................................................................................................................81
20.8 Charge Battery ......................................................................................................................................81
20.9 Battery Calibration ...............................................................................................................................81
20.10 Change Battery .....................................................................................................................................82
20.11 Calibration Requirements .....................................................................................................................82
20.12 Shipment ...............................................................................................................................................82
21 Troubleshooting ..........................................................................................................................................83
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21.1 Common Problems and Solutions ........................................................................................................83
21.2 Trace Measurement Problems and Solutions .......................................................................................84
22 Warranty .....................................................................................................................................................85
22.1 Terms of Warranty ...............................................................................................................................85
22.2 Exclusion ..............................................................................................................................................85
22.3 Warranty Registration .............................................................................................................................85
22.4 Returning Instruments ..........................................................................................................................85
22.5 Contacting Customer Service ...............................................................................................................85
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PRO-6350
LD@1625nm
Power Supply
Rechargeable Li-Ion Battery/AC Adapter
Output Mode
CW, 270Hz, 1KHZ, 2KHz
OTDR with VFL
2.5, 5, 10, 20, 40Km
20µs; MM: 5ns, 10ns, 30ns, 1µs, 2.5µs
Source
Range: 5Km
(m)
Dead Zone (m)
Detector Type
Identification
Specifications
Display
Connectivity
Memory
Battery Life
Operating Temp.
Storage Temp.
Environmental
Conditions
Weight &
Dimensions
(HxWxD)
Selectable Range
Pulse Width
Visual Light
Event Dead Zone
7” TFT-LCD Touchscre e n
USBx2; 10/1 00Mbit/s RJ-45x1
2GB
10 hours continuous operation
-4ºF ~ 122ºF (-20ºC ~ 50ºC)
-40ºF ~ 140ºF (-40ºC ~ 60ºC)
0 ~ 95% RH (Humidity, Non-Condensing)
11.4” x 6.8” x 2.9” / 4.6 lb (290 x 175 x 75mm / 2.1kg)
(Battery Included)
SM: 1.3, 2.5, 5, 10, 20, 40, 80, 160, 240Km; MM: 1.3,
SM: 5ns, 10ns, 30ns, 100ns, 300ns, 1µs, 2.5µs, 10µs,
Output Power: ≥ -3dBm; MOD Frequency: 1 Hz; Detection
0.8
Wavelengths
Emitter Types
Spectrum Width
Output Power
Power Stability
Connectors
Field of View
Resolution
Focusing
Hand-Probe Dimensions
Stabilized Light Source
Video Inspection Probe
Same as OTDR's
FP-LD@1310, 1490, 1550nm; DFB-
≤ 5nm
≥ -7dBm
± 0.05dB/15min; ± 0.10dB/8hr
FC/UPC (Interchangeable SC, ST)
400µm x 300µm
≤ 1.5µm
Manua l Focus
Ø32mm x 175mm
Attenuation
4.5
Optical Power Meter
CAL
Wavelength
Power Range
(dBm)
Accuracy
MOD
Resolution
Connectors
850, 1300, 1310, 1490, 1550, 1625, 1650nm (±20nm)
-70 ~ +6 (-60 ~ +6 @ 850nm)
± 5% ±0.01nW (±0.5dB@850nm)
InGaAs
270, 1K, 2K Hz
0.01dB
FC (Interchangeable SC, ST and LC)
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PRO-6350
1 General Information
1.1 Scope of this Manual
Thank you for purchasing a PRO instrument. Please read this manual carefully before using any of the PRO series
fiber-optic instruments. Always observe the warnings and cautions appearing throughout this manual.
This manual contains the necessary information for proper operation and maintenance of the PRO-6350,
troubleshooting instructions as well as information reg ardi ng obtaining services.
1.2 Introduction
The PRO-6350 series is a compact multi-functional platform. It is convenient and accurate for auto/manual
testing, multi-wavelength testing, integrated intelligent and multi-functional analysis.
The PRO-6350 is easy to handle with large color LCD touch sc reen and smart user-interface. Windows CE
system, large built-in and extended memory enable convenient test data storage, access and transfer to PC via
USB for further analysis and reporting. Management software on the PC can be further analysis of the data.
Product has the following characteristics:
• 7 inch color LCD touch screen of sharp display, 4-level adjustable brightness;
• Convenient and flexible handling: Touch-screen, keypad and external USB mouse/keyboard;
• Large-capacity data storage;
• USB data interface (Host and Client), Supports a variety of data backup;
• Directly connected particular model USB printer
• PC software for test data analysis and reporting;
• Auto screensaver feature for power saving;
• AC/DC dual power supply;
• Optimized power management: 10 hours continuous operation.
Optional Built-in Functional Modules
• OTDR function module, detail specification for later chapters
• LS100: Stabilized Laser Source Module (as OTDR)
• PM100: Optical Power Meter Module
• MCI100: Optical Connector Inspector Module, detail specification for later chapters
• RC100: Remote Control Module
• LM100: Link Image Module
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PRO-6350
Charging Indicator
Power Indicator
Help
Direction/E n te r Keys
1.3 Product Appearance
Hand belt
LCD Touch
Power on/off
Return Button
Start/Stop
Top View
Fig. 1.1 Front View
Fig. 1.2 Front View
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PRO-6350
1.4 Front Panel Indicators Introduction
Icon Status Meaning
Off System off
Power On/Off
Charging Indicator
Laser Indicator
Green, constant System on
Red, blinking Low battery, charging needed
Red, constant Charging, with power adapter
Green, constant Charging complete, with power adapter
Off Power adapter unplugged or connection is poor
Red, blinking Laser on
Off Laser off
Tab. 1.1 Front Panel Indicators Introduction
1.5 Front Panel Keys Instruction
Name Function
Press to start, press again to stop.
Start/Stop Launch selected module in main interf ace.
Esc Back
Move up or extended function to be defined, please refer to Help of current interface.
Move down or extended function to be defined, please refer to Help of current interface.
Move left or extended function to be defined, please refer to Help of current interface
Move right or extended function to be defined, please refer to Help of current interface.
OK Confirm button to confirm certain operations, plea se refer to Help of current interface
Nav Enter Help of current interface.
Del In character input box editing, provide backward delete functions
Num0～9
LIGHT
In the digital input box for editing, digital input function
LCD brightness adjustment. 4-level brightness, press to toggle between different levels
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PRO-6350
Call the soft keyboard
Call the save window key
Power on/off
Press to power on system when system is off.
Power
When system is on, press and hold 1 second to enter screensaver mode for power saving;
press and hold 3 seconds to power off system.
In screensaver mode, press any key and hold 1 second to restore normal status (Or by
clicking anywhere on touch screen with stylus, clicking mouse left key)
1.6 Operating Parts Instructions
Name Operation Description
Click Select certain module or menu
Double click Mainly used in file explorer window.
1. Batch files selection in File Explorer.
Stylus
Mouse
(Optional)
Draw frame
2. Zoom in/out selected part of displayed trace
1. Open menu or select in File Explorer.
Click and hold
2. Select object in other windows.
Left click
Left double click
Similar to stylus, more convenient for desktop application
Left key draw frame
Right click
NOTE
• Stylus shouldn’t touch the screen with too little force, otherwise it might operate irregularly.
• Stylus shouldn’t touch the screen with too much force, otherwise might damage the LCD and touch
screen.
• Please apply adequate force with stylus on the touch screen.
• Only use the PRO-6350 stylus, do not use other device. A sharp object like ball pen tip may smear or
damage the touch screen.
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PRO-6350
1.7 Instrument Interfaces Instructions
Interfaces on Platform Top (Left to right)
Name Appearance Icon Description
Power
Audio Output
USB Slave
RJ45 Port
OCI Port
Power adapter input
Connection to USB devices, e.g. printer,
mouse, keyboard and USB interface testing
devices (Driver needed)
Connection to PC for data transfer
10/100Mbps Ethernet port
Connection to the OCI
(Optical Connector Inspector)
Serial Interface
Audio Port
For system adjustment (Not open to user)
Audio output/input
Tab. 1.4 interfaces on Platform Top
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PRO-6350
Optical Ports
The PRO-6350 is equipped with FC/PC connectors (Interchangeable SC, ST and LC)
Name Appearance Icon Description
OTDR Normal OTDR port
VFL Visible Red Laser port
OLT PON Power Meter downstream input
Optical Port
ONT PON Power Meter upstream input
SLS Stabilized Light Source port
OPM Multi-wavelength Optical Power Meter port
Tab. 1.5 Optical Ports
NOTE
The amount of connectors depends on module configuration, not all modules are equipped with above mentioned
optical ports.
WARNING
The PRO-6350 is a laser instrument. Users should avoid looking directly into the optic output. The use of
microscope or magnifier should also be avoided, for the use of such devices can focus a highly intense beam onto
the retina, which may result in permanent eye damage.
Laser Radiation: To avoid serious eye injury, never look directly into the optical outputs of fiber optic network
equipment, test equipment, patch cords, or test jumpers.
• Always avoid looking directly into the optical output port, when the PRO-6350 is working.
• Always replace protective dust cap on the detector port when the PRO-6350 is not being used.
• Always avoid looking directly at unconnected end of optic fiber in testing and make the unconnected end
pointing at a non-reflec tiv e o b jec t if available.
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PRO-6350
1.8 GUI Icons Instruction
Icon Status Operation Description
Appear Power adapter plugged
Green part change
Appear Battery unplugged or connection is poor.
Click Start selected function
Click
Click Enter Help of current interface
Click Enter “About” interface
Showing battery power level with percentage
behind.
Enter Setup interface, including Interface style,
Language and System setting etc.
Click System off
Tab. 1.6 GUI Icons Instruction
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PRO-6350
1.9 Power Instruction
The PRO-6350 uses following power supplies:
• AC adapter (Connect to standard outlet – Indoor use only)
• Li-ion rechargeable battery (Auto power supply when AC adapter is unplugged)
• Battery dock cover must be closed properly when the PRO-6350 is working.
• AC adapter and battery power supply can be switched without affecting operation
• After AC/DC power adapter is connected, built in Li-ion battery will be automatically charged.
When only using Li-ion battery as power supply, following situations may cause the PRO-6350 to automatically
power off or dysfunction
• The battery power indicator displayed on LCD screen will turn red (Low battery) when the battery power
is insufficient and the PRO-6350 may automatically power off.
• If unused for a long time the PRO-6350 may not power on properly, please connect power adapter and
recharge the battery.
1.10 Use of Rechargeable Battery
• Battery for the PRO-6350 is Lithium rechargeable battery.
• 3.5 hours for full charge
• When the PRO-6350 is charged by AC/DC power adapter, charging indicator on the front panel will turn
red and turn green after charge is complete.
• When the PRO-6350 is powered on and being charged, LCD will also indicate charging status.
75%: Showing battery power level with percentage behind, 75% indica tes th e current battery power is 75%
of the total battery power.
• Battery unplugged or connection is poor.
• Power adapter plugged.
NOTE
The PRO-6350 battery is rechargeable Li-ion battery. If unused for a long time, please charge the battery to 50%70% before using.
Caution
Keep the battery away from fire and intense heat; do not open or short circuit the battery.
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PRO-6350
2 Basic Operation
2.1 Foreword
This part introduces the basic operation on the PRO-6350. Please read this manual carefully for optimal operation.
Should you encounter any problems during operation, you are welcome to contact the technical staff of our
company or representatives.
2.2 Power On/Off
Power on:
Press button and hold 1 second till the LED power indicator is on.
Power off:
Press button and hold 3 seconds till the LED power indicator is off.
NOTE
Power off PRO-6350 will completely shut down the platform and modules. When power on, PRO-6350 will
restart.
2.3 Enter and Exit Power Saving Mode
When power is on, user can set the PRO-6350 to power saving mode and return to normal status. In power saving
mode, the LCD backlight will turn off.
Two ways to enter power saving mode:
• Press (Power) button once to turn off LCD backlight, LED power indicator will stay on.
• When power is on, the PRO-6350 will automatically enter power saving mode after its idle time exceeds
pre-set value.
Exit power saving mode:
• Press (Power) button , LCD backlight will turn on;
• Or press any key on the front panel;
• Or click the touch screen with stylus;
• Or click mouse.
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PRO-6350
2.4 Adjust LCD Brightness
The LCD lightness is 4-level adjustable.
Press button to toggle between different levels. When it is the minimum level and press the button, it
will be the maxim um brightness.
2.5 Start Application
When the PRO-6350 is powered on, system will load the main program of the PRO-6350 OTDR (Application
software package) and enter main interface, as shown in Fig. 2.1.
Fig. 2.1 Main Interface
Launch OTDR program:
1) Select “Modules” label and then “OTDR Module” in main menu, the part will be hig hlighted.
2) Then click [Start] to start program.
Launch Multifunctional module or optical connector inspector module application program:
1) Select “Modules” label, then “multifunctional module or “optical connector inspector module”.
2) Then click [Start] to start the program.
(Note: Double click the module label to start the application)
NOTE
Application program is available only when relative function is purchased.
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2.6 Install USB Keyboard/Mouse
When you need to input numbers and letters etc, there will be a soft keyboard displayed on the screen, user can
use stylus to input, or user can use keyboard with USB port or USB mouse to do the input.
Install USB keyboard or mouse on the PRO-6350
Connect keyboard or mouse to the USB port, the port is on the top of the PRO-6350.
• No need to close the PRO-6350 before connecting the keyboard and mouse. Software will recognize the
keyboard or mouse.
• The soft keyboard will still be displayed on the screen even the keyboard is connected.
• System will recognize the mouse or keyboard and use them immediately.
2.7 Printer Configuration
Must configure a printer before printing the trace or report.
Procedure:
1) Turn on printer power
2) Use USB cable to connect the PRO-6350 and printer
3) Enter OTDR interface
4) Click the [ ] on the lower right corner, enter Print interface, as Fig. 2.2 shown below
5) In Printer area, until now there is no default printer. Click [ ], it will appear window as shown below:
Fig. 2.2 Printer and setting interface
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Fig. 2.3 Printer setting interface
6) In the printer list, choose the desired printer; chose “LPT1:”in the port list. Other options can remain as
default.
7) After right selection, click “OK” to finish the printer configuration.
NOTE
• The PRO-6350 will only support a USB port printer with PCL language. The current printers that passed
the test are HP LaserJet 1022 and HP Laser P2015d.
• If the printer is not connected properly, disconnect the USB cable and reconnect the printer.
• No need to shut down the PRO-6350 when connecting the printer.
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3 Common Settings and Special Settings
3.1 Main Setting Menu
In setting menu, user can set up many settings, including interface style, language, power saving, system setting,
touch screen calibration and etc.
Enter main setting menu:
When power is on, press the [Setup] button to enter the setting menu, as shown below:
Fig 3.1 Main Setting Menu
3.2 Select language
Switching language:
1) Click [Setup] to enter into setting menu.
2) In language area, choose the requiring language.
3) Press “OK” to confirm modification
3.3 Automatic Power Saving Setting
The feature is designed to save the battery power. When power is on, the PRO-6350 will automatically enter
power saving mode after its idle time exceeds pre-set value.
Setting Power Saving Mode:
1) Click [Setup] to enter into setting menu.
2) In power saving area of setup menu, choose preferred option in “Turn off LCD”.
3) Press “OK”, Exit setup menu and opening power saving mode.
NOTE
Power saving mode is on by default, and LCD backlight turn off automatically in 10 minutes.
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3.4 Recalibrate Touch Screen
If touch screen is not respo nding properly , you should recalibrate it.
Recalibrate touch screen:
1) Click [Setup] to enter into setting menu.
2) In setup menu, click [System Setup].
3) Double-click [Sty lus] ic on.
4) Click [Calibration] label and operate following the instructions.
Fig. 3.2 Recalibrate touch screen
5) When system shows “Press enter button to accept new setup”, click the touch screen with stylus to
complete new setting
Note: Under the main menu interface, user can press “ ” key and enter the calibration interface. After
calibrating, click the touch screen with stylus and exit the calibration interface to complete the calibration.
NOTE
Touch screen can be calibrated as many times as necessary, until you are satisfied with the resu l ts.
3.5 Serious Deviation of Touch Screen
When deviation of touch screen is serious, it is difficult to calibrate only using stylus. You can use USB mouse to
enter into calibration window, and continuing to calibrate with pen.
3.6 Date and Time Settings
The current date and time show on the right top of interface. When save the testing results, the files contain date
and time.
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NOTE
• The equipment has special battery to keep the precision of date and time.
• Don’t open the equipment to change battery.
• Modifying time zone, date and time may affect some setting and operation of Windows CE, please
modify these settings.
Set time and date:
1) On starting interface, click [Setup] to enter [system setting], then choose [Date/Time].
2) Modify the setting.
3) Click application to confirm modification.
4) Exit setting interface, return to control panel.
3.7 Other Parameters Configuration
In System setting (Control panel) to setup other parameters (Please refer to files about Microsoft Windows CE
which is not included in this manual).
NOTE
It’s suggested to keep system settings unchanged unless it’s necessary.
3.8 Load Default
This function is used to set system settings to factory default. Those parameters include: Interface style, language,
power saving and OTDR features.
Load default:
1) In main interface, click [Setup].
2) In setting menu, click [Load Default], system promotes a warning message: “Restore factory settings?”
3) Click “Yes” to continue, click “No” to cancel.
NOTE
Unless it’s necessary, please do not load default because it will erase your existing settings
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4 Basic Information of OTDR Module
4.1 Principle of OTDR Module
OTDR (Optical Time Domain Reflectometer) is a measurement instrument for identifying optic fiber transmission
features. It is mainly used to measure attenuation of a whole optic fiber chain and provide attenuation details
relating to length, namely detect, locate and measure any event in optic fiber chain (Events refer to faults caused
by splicing, connectors and bending). Its non-destructive, one-end connection and rapid measurement features
have made the OTDR module an indispensable tool for the testing application of optic fiber manufacture,
construction and maintenance.
The faults and heterogeneity of optic fiber itself cause Rayleigh scattering of light pulse transmitted in optic fiber.
Part of light pulse is scattered in the reverse direction, and this is called Rayleigh backward scattering, which
actually provides attenuation details relating to length.
Information relating to distance is obtained through time information (That’s the reason why there is “Time
Domain” in the name of OTDR). Fresnel reflection occurs at the boundary between two media of different IOR
(For example, connections of faults, connectors, or optic fiber end). This reflect io n is used to locate the
discontinuous points on optic fiber. The magnitude of reflection depends on the difference between IOR and the
smoothness of boundary.
OTDR sends out a light pulse into the connected optic fiber, and receive reflections of events and backward
scattering power of pulse in time. Locus will be displayed on LCD. The Y-axis is dB value of backward scattering
power, and the X-axis is the distance.
4.2 Measurement Application of OTDR
OTDR displays power relating to distance of returning signals. This information can be used to identify the main
properties of an optic fiber chain, such as the optic transmission characteristic of fiber, connector and etc.
Full auto trace analysis will recognize the following measurements:
• Event location (Distance),end or rupture of optic fiber chain
• Attenuation coefficient of fiber
• Loss of a single event (e.g. one optic tie-in), or total loss from upper end to end
• Range of a single event like reflection of connectors (Or grade of reflection)
• Auto measurement of cumulative loss of a single event
• Events list: event type, loss, reflection and distance.
4.3 Basic Definition and Classification of Events
Events refer to any abnormal points causing attenuation or sudden change of scattering power besides the normal
scattering of optic fiber, which include all kinds of losses like bending, connections and ruptures.
Event points displayed on LCD are abnormal points that cause traces to deviate from straight line.
Events can be classified as reflective events and non-reflective events.
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4.3.1 Reflective Events
When some pulse energy is scattered, reflective events happen. When a reflective event occurs, peak shows on
trace, as shown below:
Fig.4.1 Reflection Event
4.3.2 Non-reflective Events
Non-reflective events happen at certain points where there is some optic loss but no light scattering. When no nreflective events occur, a power decline shows on trace, see below:
Fig.4.2 Non-reflection Event
4.4 Optic Fiber Link and Event Types
Optic fiber link and event type:
Event Type Description
Beginning of optic fiber link
Reflective event
Non-reflective event
End of optic fiber link
NOTE
End of optic fiber can be identified through scanning the first loss event that is greater than end threshold.
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5 Instruction of OTDR Modules of PRO-6350
5.1 Main Features of OTDR Module
• High dynamic range and short dead zones.
• Complete sampling under low noise, accomplishes accurate low loss locating.
• Resolution is accurate to 10cm.
• Multiple test models, convenient to meet the requirement of any test condition.
CAUTION
Make sure that the optical fiber or cable is not in use and there is no laser beam in the fiber before testing via
OTDR. Otherwise, it may result in imprecise test trace or even permanent damage for the OTDR.
5.2 Measurement Mode of OTDR module
For convenience of customers use, OTDR offers many kinds of measurement modes. These modes can be used
with combination.
5.2.1 Auto Mode and Manual Mode
Auto mode: Calculate the leng th of fiber, setti ng Sam pling parameters, getting and showing the trace, analyze the
events.
Manual Mode: Advanced Mode which user can control all OTDR parameters to test.
5.2.2 Averaging Mode and Real-time Mode
Real-time Mode: OTDR will take real-time measurement and refresh the trace. In real-time mode, unless the user
stops measurement, it will continue down the length of the fiber.
Averaging Mode: Under Averaging mode, OTDR will average the data within the measurement time which is set
by user. Once the time is passed it will stop automatically and display the result.
NOTE
Generally, we suggest averaging mode.
5.2.3 In-service Mode and Normal Mode
In-service Mode: Measure live fiber, which use 1625nm to test. This mode doesn’t affect the normal working
wavelength in the fiber under test.
Normal Mode: Use other wav eleng ths except 1625nm (such as 1310nm, 1490nm, 1550nm and etc.) Make sure
there is no laser transmitting in the fiber under test before testing.
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Function Area
CAUTION
When using the In-service mode, the fiber must be connected to the correct port of 1625nm. If it is connected to
another port it may result in inaccurate te st trace or even permanent damage for the OTDR.
NOTE
• In-service mode is available only when OTDR is set to 1625nm wavelength.
• When OTDR is on In-service mode, other wavelengths (such as 1310nm, 1490nm, 1550nm etc.) are not
available.
• Above modes can be used with combination, but some modes are not av ailable in certain conditions.
5.3 OTDR Interface
When power is on, it will show the main menu automatically. In main menu, select “OTDR module”, click [Start]
button to enter OTDR user interface, as follows:
Navigation Window
Info and
Navigation Window
Trace Display Area
Quick Help Area
Common Operation
Buttons
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5.4 Icons Instruction in OTDR Interface
Start testing
Stop testing
Parameter settings
Save trace file
Open trace file
Print trace file
Zoom in trace horizontally
Zoom out trace horizontally
Zoom in trace vertically
Zoom out trace vertically
Full-trace view
A/B marker switch
Move marker or marking point left/right
Toggle between marking points
Close trace
Return to previous menu
Return to previous menu
NOTE
Not all icons are displayed in one interface; they can be seen in different functional interfaces.
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5.5 Trace Processing
The “OTDR Trace Manager” software in the PRO-6350 Suite is for trace review and analysis on PC after
acquisition without connecting to the PRO-6350.
Trace processing includes:
• Trace editing (Single trace, m ulti traces)
• Printing (Single trace printing, batch printing)
• Trace reanalysis
• Trace format conversion
Bi-directional averaging program (for single mode fibers only) is available in advanced versions to increase loss
testing accuracy by averaging the measured loss values of each event from both directions.
5.6 Available OTDR Module
OTDR module details are in the appendix, including wavelength, dynamic range, dead zone and etc.
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6 Prepare to Use OTDR
6.1 Connectors Instruction
The optical ports equipped on the PRO-6350 are SC/PC. (Interchangeable FC and ST also available)
6.2 Cleaning and Connecting to Optical Fiber
To insure measurement accuracy, please clean and connect fiber properly before testing.
Connecting fiber to OTDR port is tool-free.
• Please refer to “Maintenance and Calibration” for optical port and connector cleaning.
• Clean connectors and check if fiber connector type is SC/PC
• Connect fiber to OTDR port.
NOTE
Improperly connected fiber may cause serious loss and reflection.
WARNING
Please refer to Safety Instructions of this manual before testing to ensure personal safety.
CAUTION
• When testing with OTDR, unless connected to specific optical port, please make sure there is no working
laser in the fiber under test or it may cause incorrect result and even permanent damage to test instrument.
• Please do not screw connectors too tight or it may damage fiber and optical port.
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7. Test with OTDR
7.1 OTDR Quick Test
1) Check the connection between the fiber and the OTDR optical port and make sure it’s secure.
2) Click [Start] icon or press button to start testing.
3) Click [Stop] icon or press button to stop testing.
Fig 7.1 shows the OTDR interface after trace acquisition:
Fig. 7.1 OTDR Trace Acquisition Interface
NOTE
• Click the [Start] button with stylus or mouse.
• During testing, the average trace shows in the trace display area and refreshes at cert ain in terval s. The
trace shown after testing is com p lete, is the final trace.
• User can stop testing any time. Application will show all the information when test stops.
• After test is finished or interrupted by user, system will perform automatic analysis which takes about 5
seconds or longer before user can start a new test.
• In Averaging mode, the interface will show the remaining time of the test.
• In Real-time mode, test will keep going until user stops it.
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7.2 Trace Processing
After test and automatic analysis is complete, event types will be displayed below the trace area; user can review
all events information in events list which is on {Ev ent s} label. A fter tes t and auto matic analysis is complete, user
can save traces. Please refer to the “Save Trace”.
After test and automatic analysis is complete, user can view the trace details and m anually analyze. Please refer to
“Trace Viewing and Analysis Operation”. After test and automatic analysis is complete, user can start a new test
after trace acquisition.
NOTE
Application will prompt user to save unsaved trace before starting new test.
7.3 Unsaved Traces
Unsaved traces will be titled as “*U_xxxx” (xxxx stands for the current testing wavelength) which is displayed on
the left upper corner of trace display area.
NOTE
The traces whose file names start with star mark “*” are unsaved traces or modified traces. Please refer to later
contents of this manual for more information about OTDR trace modification.
7.4 Save Trace
When test is finished, user can save the trace with parameters information. Th e conten t inclu des tr ace par am eter s
and etc.
Procedure:
1) Click [Save] on the right lower corner of main interface and save dialog window will pop up.
2) File format: User can choose file format as “.sor” or “.jpg”.
3) User can click button on the top of save file dialog to choose saving directory or click
to create new folder.
4) User can edit the name of the file to be saved; the file name consists of letters and numbers which can be
input by soft keyboard.
5) File saving: In save dialog window, click [Save] button to save file.
6) Click [Cancel] to cancel file saving.
Save dialog window and options are shown below in Fig 7.2:
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Fig. 7.2 Save dialog window
Operation Notes:
• Title bar will show the current folder path, as shown in Fig 7.2: “\SDMMC_DISK\Traces\”.
• System will automatically enter newly created folder.
• After file is saved, file name will be displayed on left upper corner of trace display area. Please note only
the first 10 characters of the file name will be displayed and the rest are abbreviated as a “~” mark.
NOTE
• The file name can be set automatically by the system, and the name prefix can be modified.
• Enable/disable auto naming by checking/unchecking [Auto naming] in OTDR Setup.
• User can modify the prefix of the name in the <Storage> [File Name] in OTDR Setup. Only when the
[Auto naming] is enable, the name prefix can be in effect.
• If the name of the file to be saved already exists, system will promote a warning message.
7.5 Auto Naming
System supports auto naming when saving traces.
Procedure:
1) Enable/disable auto naming by checking/unchecking “Auto Naming” in OTDR Setup.
2) User can edit auto naming rule by modifying file name prefix, input the prefix in “File Name” field.
Please note the prefix is only effective when “Auto Naming” option is checked.
NOTE
The file name in auto naming mode consists of: Prefix+Wavelength+Number, the number will increase
automatically when user save traces.
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7.6 Open Saved Trace
Click [Open] button on the right lower corner in OTDR interface to open saved trace
1) In single trace display mode, when opening a new trace, the currently-displayed trace will be closed.
2) In Multi-trace display mode, user can open and display up to four traces at the same time.
NOTE
• Enable/disa b le Multi-trace display mode in OTDR Setup by checking/unchecking “Multi-trace” in
Display Option.
• User can open and view “.jpg” format trace though “File Explorer” on {Program} label in the PRO-6350
main interface. “.jpg” format trace can be also loaded to PC for viewing.
7.7 Trace Viewing and Analysis Operation
User can zoom in/out trace, utilizing markers and marking points for trace characterization including loss,
attenuation, reflection and etc. All of their operation can be performed by mouse or stylus.
Zoom in/out trace:
• In trace display area, draw selection frame from left upper corner to right lower corner to zoom in trace.
• Draw selection frame from right lower corner to left upper corner to zoom out trace.
Show A/B marker:
• Click {Markers} label in OTDR main interface and markers or marker labels will show in trace display
area. Move marker quickly:
• Select and hold the marker, drag it left or right to move quickly.
• Or click [ ] [ ] button on {Markers} label to move active marker left or right.
Switch A/B markers:
• Click [ ] or [ ] button to switch A/B markers on {Markers} label.
• Or click the marker to select in trace display area with stylus or mouse.
NOTE
• When holding and moving marker with stylus, please apply adequate force or the operation may not be
successful.
• Marker operation and re-analysis are not applicable to “.jpg” format trace.
• For more information, please refer to “Trace Analysis and Event Operation”.
7.8 Information and Function Windows
Information and function windows are located at the bottom of OTDR interface.
Information includes: Event list, measurement parameters, markers information (A/B marker, marking points
and etc.), trace parameters and trace information. Information and function windows description:
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Label Function
Meas. Para.
Events
Markers
Trace Para.
Trace Info.
Source
Note: For detail information, please refer to “Trace Analysis and Event Operation”.
7.8.1 Switch Information and Function Windows
Click the labels of information and function windows to switch.
7.8.2 Events info reference
Click {Events} information window changes into events information.
Measurement parameters: Mode, Wavelength, Range, Pulse Width, Averaging Time and etc.
Add event, modify event, delete event and analyze event.
A/B switch, move, lock, loss and reflection analysis.
Trace testing parameters
Cable and fiber information viewing and editing.
OTDR module built-in visible light source.
Tab. 7.1 Information and Function Windows Description
Click [ ] and [ ] in scroll bars to look over events information.
7.8.3 Reanalyze
If not satisfied with threshold, change threshold, then reanalyze the trace by this function to get satisfactory trace.
Reanalyze the trace:
1) If possible, look over or reset threshold.
2) In {Events}, click [Analyze], system will reanalyze the trace.
3) When the analysis finished, events list will show the new results.
NOTE
• Reanalyzing trace may cause added events to be deleted, events revised are resumed, and events deleted
come back etc.
• For more operation on events, please refer to “Trace Analysis and Event Operation”.
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7.9 Upload Trace to PC
On computer, user can manage the trace file easily.
Copy or move the trace to computer:
1) User can copy the saved trace to computer via USB by PC software
2) Or user can copy and move the saved trace to computer by mobile hard disk drive/ USB flash disk
For more operation, please refer to “Manage fi les and data ”
7.10 Get help on OTDR
Click [Help] or “?” (HELP) to get detailed help, click “ ”(BACK) to exit.
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8 Testing Optical Fiber in Auto Mode
8.1 Instruction of Auto Testing Mode
When you don’t know the optical fiber length, you can simply use the auto testing function to get the trace and
analyze.
After the auto mode started, OTDR will automatically estimate the optical fiber length, set sampling parameter,
get trace and display the event list and etc.
Under Auto Mode, user can set follow parameters directly.
• The wavelength to be used for testi ng ( at least one waveleng th )
• Testing time span
NOTE
After Auto mode is started, according to the situation of optical fiber link which is connec ted the equipment,
application program will estimate the optimum setting automatically and it will need around 5s. If the testing was
cut off, any date won’t be displayed.
CAUTION
Except the specific light port (light port used for online testing), do not connect the optical fiber which load signal
to the OTDR port, any external signal over -30dBm will affect the OTDR sampling and cause permanent damage
to the OTDR.
8.2 The procedures of auto testing mode
Test and get trace in Auto mode:
1) Connect the optical fiber to the right OTDR light port.
2) Set parameter: set the “Range” to “AUTO”.
3) Set testing time span.
4) Start testing: Use stylus click [Start] or press down the “ ” (Start/Stop) on front panel.
5) After test, user can save the trace, check the trace, re-analyze the trace and etc. As to the detailed
operation way, please refer to relevant section.
NOTE
• When testing automatically, Range is “AUTO”.
• When setting the parameter, if the optical fiber parameter is not clear, user can directly use the default
value, but it may cause a bigger testing error.
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9 Testing the optical fiber in Manual mode
In Manual mode user can set various test parameters more precise ly. If the parameters are known, the user can set
them precisely and obtain more accurate results. Correct parameter setting is essential to accurate optical fiber
measurement. Therefore, when testing manually, the user must set parameters according to requirements.
9.1 Common using parameters for OTDR testing
Following testing parameters are displayed on {Meas. Para.} option card on the OTDR interface.
Parameter Definition
Range
Pulse Width
Averaging Time
Wavelength
Mode
Distance range of the testing
The width of laser pulse launched to optical fiber by OTDR
Testing time, choose the proper testing time
Laser wavelength, testing laser wavelength selecting
Testing mode, testing mode selecting
Tab. 9.1 OTDR common use parameters sheet
9.2 OTDR test parameters Configuration
Testing parameters in this section should be set in “OTDR Setting”, click [Setup] on the OTDR surface to enter.
These testing parameters include: Optical fiber general setting, analysis parameters setting and etc.
Parameter Definition
IOR
Scatter Coefficient
IOR of optic fiber which affects the transmission speed of laser. Need to set
separately according to working wavelength.
Also called backscatter, which affects backward scatter power of laser in fiber.
Non Reflection Threshold
Reflection Threshold
End Threshold
Default
Also called splice loss detecting threshold. Non reflective event with insertion
loss greater than this threshold will be displayed on trace.
Also called reflectivity. Reflective events with insertion loss greater than this
threshold will be displayed on trace.
Also called optical fiber end detecting threshold. The first event with insertion
loss greater than this threshold is identified as the end of fiber, and all following
events will be ignored on trace.
Revert to the factory settings
Tab. 9.2 OTDR test parameters setting sheet
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If selected, the trace files saving will adopt auto naming, the content in file name
If selected, the grid line will be displayed when trace is displayed, otherwise not it
If selected, then support multi trace testing and display, otherwise only the single
If selected, there will be a trace navigator window on the upper right on the trace
If selected, there will be a zoom toolbar on the right side of the trace window; if
Length unit
Set the length unit displayed.
9.3 OTDR display and other Configuration
Includes setting the save method, testing display area and etc. Parameters set in this section won’t affect the
testing result.
Setting Content
Auto naming
Display grid line
Support multi traces
Navigator window
Display the zoom toolbar
editing frame will be used as prefix of auto naming; if not selected, the auto
naming won’t be used, need to enter file name.
will not displayed.
trace result will be displayed.
window. Meanwhile, you can check or magnify the windows position.
If not selected, you will not be able to see the navigator window. The system
default is “navigator window” selected.
not selected, there will be no zoom toolbar but a bigger trace display zone.
9.4 Real time and average test mode
Under sampling and accumulating condition, test mode has real time and average mode.
1) In real-time mo de, the instrument tests the external optical fiber connection in real time and refreshes the
display of the trace being tested real time. When the instrument is in real-time mode, the user may click
[Stop] or press “ ”(Start/Stop) on front panel, to stop the test or resume the test.
2) In average mode, the instrument tests and averages the testing data according to the time user chooses. If
the test time is equal or greater than test time user set, the result will be displayed after the time is
reached.
Operating instructions
• Real-time mode and average mode are controlled by [Real time/Average] in {test setting}<test mode>.
• If the “Average” button is highlighted, the instrument is in Average Mode; When the “Real-time” button
is highlighted, the instrument is in Real-Time Mode.
• You can toggle the buttons to change between modes.
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9.5 Range Configuration
By default, the Range setting is to select relative scope acco rding to the optical fiber real length; it will guarantee
the test accuracy.
Range options: Auto,1.3km, 2.5km, 5km, 10km, 20km, 40km, 80km, 160km, 240km.
Operation:
Click on the right range settings.
NOTE
• “Auto” is Auto test mode of OTDR; select this function, the PRO-6350 will select a proper test range
intelligently and the proper pulse width to test.
• Default value is “Auto”.
9.6 Pulse Width Configuration
Pulse width selection affects the trace result and resolution. Selecting a smaller pulse width can achieve a higher
distance resolution and smaller dead zone; On the other hand, a wider pulse width can achieve higher dynamic,
test longer optic a l fib e r, b ut it will affect the resolution and dead zone. The user must select between dynamic and
dead zone.
Operation:
Click the pulse width number in pulse width parameter zone.
NOTE
• Default value: Auto
• When the distance range is “Auto”, the pulse width will be “Auto”.
• There will be different pulse width options according to different distance range.
9.7 Averaging Time Configuration
Test times affects the test trace SNR, the longer test time, the higher SNR and get a bigger dynamic; so, when
testing long distances and far away events, you will need to select longer test time.
Operation:
Click the time span number in time span zone.
NOTE
• Averaging time: Auto, Quick, 15s, 30s, 45s, 60s, 90s, 120s, 180s.
• The default value is 60s
9.8 Laser Wavelength Configuration
Select certain single wavelength or multi select up to the entire wavelength.
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Operation:
Click wavelength in wavelength parameter zone to achieve test wavelength for single selection or multi selection.
The effective wavelength will be different according to modules purchased.
9.9 IOR Setting
IOR is a key factor affecting the speed of laser transmission in optic fiber; and in this case, IOR configuration has
direct impact on the accuracy of measurement. Generally speaking, the IOR parameter is provided by optic fiber
manufacturer, and it can be set to the accuracy of four digits after decimal point between 1.0000 and 1.9999.
9.10 Scatter Coefficient (Backscatter) Setting
Scatter coefficient determines the value of backward scatter power. The configuration affects the calculation of
reflection value.
NOTE
Configuration zone is -10 to -70dB
9.11 Non-reflective Threshold (Splice Loss Detecting Threshold) Setting
This configuration has direct impact on the listing of insertion loss events. Only insertion loss events tha t are
greater than this threshold will be listed. The value configuration zone is 0.00 to 5.00dB
NOTE
The default value is 0.20dB.
9.12 Reflective Threshold (Reflective Detecting Threshold) Setting
This configuration has direct impact on reflective events listing. Only reflective events that are greater than this
threshold will be listed. The value configuration zone is -10dB to -65dB.
NOTE
The default value is -52.00dB
9.13 End Threshold (Optical Fiber End Detecting Threshold) Setting
This threshold is the end threshold of optic fiber. If the end threshold equals 3.0dB, then the first event with
insertion loss greater than 3dB will be considered as the end of the optic fiber.
The value configuration zone is 0.0dB to 20.0dB.
NOTE
The default value is 3.00dB.
9.14 Load Default
In OTDR Setup surface, there are 3 “default” buttons, corresponding to IOR, scatter coefficient (backscatter),
non-reflective threshold (splice loss detecting threshold), reflective threshold (reflective detecting threshold) and
end threshold (optical fiber end detecting threshold).
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10 Use OTDR Test FTTx-PON Network Optical
Fiber Link
Testing for FTTx-PON networks differs from point-to-point in that optical splitters exist in the network. In order
to use this instrum e nt to tes t F TTx -PON networks, you will need to know the following items.
10.1 Use PON Optimized OTDR Instrument
Some models optimized specific to FTTx-PON network optical fiber link, can get fairly ideal results.
In order to get ideal results, you need to set the correct distance range, end threshold (optical fiber end detecting
threshold), reflective threshold (reflective detecting threshold) and etc.
10.2 Select the Proper Distance Range
With optical spl itters present in the FTTx-PON network, there will be a large attenuation event of >10dB; auto
test may not be able to accurately represent this network configuration. We suggest manually setting the
parameters of distance, pulse width and duration according to the perceived optical fiber link len g th .
10.3 End Threshold (Optical Fiber End Detecting Threshold)
With optical splitters present in the FTTx-PON network, there will be a large attenuation event of >10dB.
The default end threshold configuration of 3.0dB will trigger a false fiber endpoint. Therefore, you will need to
set the end threshold to equal to the “End threshold configuration reference value” below (see Tab. 10.1).
10.4 Test parameter recommendation value
Splitter type Loss reference value
1:8 ≥9dB 12dB 100ns，300ns
1:16 ≥12dB 15dB 100ns，300ns
1:32 ≥15dB 18dB
1:64 ≥18dB 21dB 300ns，1us
Tab. 10.1 Recommended parameter values for PON network optical fiber link
End threshold configuration
reference value
Recommended test pulse
width
300ns，1us
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11 Trace Analysis and Event Operation
11.1 Open Trace File
Open trace file:
1) Press down [Open] in button column in OTDR surface.
2) Select the file need to be opened in the files dialog box.
If necessary, change the file position to search saved files.
If necessary, click the scrollbar on the right side, check the listed files.
3) Click [Open] and the file opened.
If click [Cancel], the file can’t be opened and quit dialog box.
4) The file name displayed on the surface top left.
navigator window
zoom tool
grid line
Fig. 11.1 Trace file opened
NOTE
• Check or open “.jpg” format trace file, please use the “File Explorer” in {Program}.
• Bidirectional traces cannot be opened on this instrument. If needed, use the bidirectional analysis program
provided by MTP-Suite which installed on computer.
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11.2 Simultaneous Display Multi Traces
In order to compare trace files, open the multi trace display.
When multi trace is open, the current trace is red, the icon in front of the file name is red, other icons are grey.
Open multi traces setting:
In OTDR [Setup], in the test options, select “Support multi traces”. Four traces can be opened simultaneously.
11.3 Close Trace File
Close trace file:
Click [Close trace] button on the upper right corner of the interface to close the trace file.
NOTE
While in single trace mode (non multi trace mode), opening a new trace will close the opened trace automatically;
this will reduce the operating steps and make it easier to use.
11.4 Trace Display and Operating Instruction
After trace opened, application program will display the trace and analysis result in the trace window. The events
on the trace will be marked by small icons, these events are marked and display below the trace.
X axis shows the relative distance from the testing poin t.
The number on the Y axis shows the reflection power value (relative power) and its range.
Once the trace is shown, the trace display parameters can be revised (like grid line and zoom window screen).
Please refer to the paragraphs of “trace display parameters configuration”
NOTE
The content of trace window changes according to options changing. Some items of the trace can be seen at all
times, but other items may be displayed when they are selected.
Event Options:
In {Event} options, there are various parameters of events listing, including event type, number, position, insert
loss, reflection loss, attenuation and accumulation and etc.
When you switch to {Event}, application program will display a marker on the tracing graph.
When an event in event list is selected, the marker will move to that event position and indicate.
When in multi trace mode, event options only display current trace.
Markers Options:
When switch to {Markers} options, application program display two Markers A and B, or include some gauge
points. Particular cases depend on the function button in the button area.
Move these Markers along the trace to calculate loss, attenuation, reflection and etc.
Can use the buttons in Markers area to relocate all Markers and also can drag them in trace display window.
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11.5 Switch and Move Markers
There are many ways to switch and move Markers. Users can choose one method or combine them to increase
efficiency.
• In trace displaying area, use stylus or mouse to select A/B Markers or label above Markers, then press and
drag A/B to move the trace service area to the target position.
• In the buttons area on the bottom of surface, click [ ] or [ ] to switch between A and B.
• After you select Markers, continuously click [ ] or [ ] to move Markers.
• After you select marked point, click [ ], [ ], towards left or right to move the Markers.
NOTE
• For easier use, the position of Markers will be remembered the next time you power on the PRO-6350
• There is a marked point when you precede the loss or reflection analy sis.
11.6 Switch and Move the Marked Point
When you perform loss or reflection analysis, there will be a marked point used for auxiliary test near the selected
Markers.
There are various ways to switch, move the marked point, user can use one of them or use the combination to
increase efficiency.
• Use the stylus or mouse to select marked point in the trace displaying area, then press on and drag the
marked point move in the trace service area to the target position.
• In the buttons area on the interface, click [ ] to switch circulated between the marked points under
current Markers.
• After you select the point, continuously click [ ] or [ ] can move the point.
NOTE
The points under each Marker in the process of movement:
• Marked points on the left side can’t cross the Markers to the right sid e
• Marked points on the right side can’t cross the Marker s to the left side
11.7 Quickly Move the Markers Outside of the Window
When magnifying the trace, Markers may be positioned outside of the window.
When the Markers on the left side are outside the window, there will be a sign on the left margin of the window:
A← or B←
When the Markers on the right side are outside the window, there will be a sign on the right margin of the
window: →A or →B
Drag the signs above mentioned can move the Markers in to current window.
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11.8 Lock AB Markers
In the surface of {Markers}, press down [|A-B|], A and B Markers will be locked. After AB Markers locked,
when moving one Marker, the other one will move with it and the distance maintains the same.
For some special tests, this function may be more convenient.
NOTE
When one Marker moves to the trace boundary, the distance between AB won’t maintain. It will revert when it’s
not on the trace boundary.
11.9 Zoom the Trace
In order to check the event or detail in the trace, you will need to magnify the trace.
System provides two ways to magnify the trace for easier u se fo r the use r:
1) Magnify the trace by cross frame, operation is sm ooth and fast
2) Use the zoom toolbar on the right side
NOTE
• After magnifying the operation, Markers may disappear from the current trace window
• Method 2, it needs to open the option of “display zoom toolbar”
11.10 Cross Frame to Zoom the Trace
In the trace display area, magnify the traces by cross frame from upper left to lower right. In the trace display
area, contract the trace from upper right to lower left. Repeat above operation mentioned to magnify or contract
the trace continuously.
NOTE
• Do not cross to the outside of the trace display area, otherwise the operation won’t respond.
• The trace does not have unlimited magnification.
• The trace can’t be contracted more after contracted to 1:1 size.
• Application program will maintain the zoom situation for further test and check of similar trace.
11.11 Use Zoom Toolbar to Zoom the Trace
On the right side of trace window, there is a zoom toolbar vertical ranked. You can use the zoom toolbar to
magnify the trace to check the event detail on the trace.
NOTE
• Press the magnify button for the first time, trace window will display the trace in the middle.
• After the trace is magnified, in order to move trace window, click the place outside the magnified area,
trace window will move around this place. You can al so use the direction key on the front panel to move
the trace.
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11.11.1 Revert the Whole Trace View
Click [ ] to revert the whole trace view.
11.11.2 Zoom In Trace Horizontally
Click [ ] to zoom in the trace horizontally.
11.11.3 Zoom Out Trace Horizontally
This function is to zoom out trace horizontally. Click to zoom out trace.
11.11.4 Zoom In Trace Vertically
Click [ ] to Zoom in trace vertically.
11.11.5 Zoom out Trace Vertically
Click [ ] to Zoom out trace vertically.
11.12 Remember the Zoom Status Automatically
In the process of testing or opening trace, the magnified proportion and position will be remembered temporarily.
When testing under the same distance once again, the magnified status of the window remains the same for
continuous test.
NOTE
• When user turns off the PRO-6350, the zoom info won’t be retained. Turn on PRO-6350 again; trace
window will revert to whole trace status.
• When user changes wavelength, pulse width and time, as long as the distance is not changed, auto
memory of zoom status will be effective.
• When user changes the distance, trace window will rev ert to whole tr ace status.
11.13 Move the Magnified Trace Window
After the trace is magnified, the trace window will only display part of the trace. There are two ways to move the
trace window:
1) Use stylus or mouse to operate in navigation window.
2) Use 4 direction keys on the front panel to operate.
To move magnified trace window in the navigation window
In the navigation window, you can see the position of current window on the whole magnified trace. Click some
place outside the magnified area in the navigation window, trace window will move to the place correspondingly.
NOTE
In navigation window, if the shadow region is clicked (display scope of magnified window), the operation will be
invalid.
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Use direction keys to move trace window
As to the magnified trace, press down the direction keys on the front panel, the trace window will move
correspondingly.
• Click “ ” , the trace window move upward
• Click“ ”, the trace window move downward
• Click “ ”, the trace window move towards the left
• Click “ ”, the trace window move towards the right.
NOTE
When the whole trace is displayed, the trace window can’t be moved.
11.14 Operation of Event Options
The Events sheet lists all the events tested on the trace. Events can be defined as points where optical transmission
change occurred. Events are constituted as loss when caused by transmission, splice, connector or crack. If event
was not in the certain threshold, it was a defect event.
Fig. 11.2 Events options
For every event in the sheet, the following info is displayed:
• Type: Differe nt in d icator used for different event types. As to the detailed indicator instruction, please
refer to the previous paragraphs.
• Number: Event number (one continuous number designated by OTDR application program).
• Position: Distance between OTDR and event or event and starting point of optical fiber link.
• Insert Loss: The loss of every event by unit of dB (calculated by application program).
• Reflection value: Calculated value for each event.
• Attenuation: The attenuatio n for each opt ical fib er leng th (loss/distance).
• Accumulation: The accumulating loss from the link starting point to the end of the link.
NOTE
Accumulating loss calculates the events listed in the event sheet and doesn’t calculate the hidden events. About
the more accurate link loss, please refer to the loss result displayed in {Markers}.
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11.14.1 Display the Event on the Trace and Locate Event In Even Sheet
Through scrolling the event sheet, user can check the relative info about all events tested on the trace. When an
event is selected, Markers will appear on the trace which is above the event.
• When the trace is under magnification, the event and its Markers may not be in the current window.
• It is better to locate the event under a whole trace status and then magnify to see the detail.
11.14.2 Add Event
User can insert event into event sheet at any time manually. For example, when there is a splice point on some
given position, but it is hidden in the noise or the splice loss lower than the minimum value of non-reflection
detecting threshold, then the analysis didn’t test that point, this operation will be quite useful. User can manually
add this event to the event sheet. This will add a number on the insertion position but won’t modify the trace.
NOTE
Important Hint: When reanalyzing the trace; the inserted event will be removed.
1) Press[Add] on {Event} label;
Fig. 11.3 Add event
2) Fill in the event information in the add event dialog window.
Fig. 11.4 Add Event Dialog Window
3) Press [Enter] to save and back to main window after edit finished, the event will ap pear in the event list. If
pressed [Cancel], it will quit without saving.
NOTE
There are reflection events and non-reflection events for inserted events.
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11.14.3 Modify the Event
User can modify the event in the event sheet manually. For example, when there is an event analysis result
unmatched the observed result, user can modify it through this function.
• Event modification won’t modify the result of the trace.
• When reanalyzing the trace, events will be re-marked, modified events wi ll revert to original value.
Modify event
1) Press [Modify] after selecting an event in events options.
Fig. 11.5 Modify events
2) To modify the event information in the event modification popups.
Fig. 11.6 Modify Event
3) Press [Enter] to save and back to main window after editing finished, the event will appear in the event
list. If pressed [Cancel], it will quit without save.
11.14.4 Delete event
Except following events, almost all of the events can be deleted from event sheet.
• Analysis finished
• Starting point of the link
• End point of the link
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NOTE
Important hint: The only way to recover the deleted items is to reanalyze the trace, like analyzing new traces.
Please refer to the part “analyze or reanalyze trace”.
Delete event
1) Select the event need to be deleted
2) Click the {Delete} on the right side
3) Press “Yes” when the program hint or press “No” don’t delete event and go back to main interface.
Fig. 11.7 Delete Event
11.15 Analysis Detecting Threshold Configuration
In order to optimize the event detection, user can set follow analysis detecting threshold:
• Change non-reflective threshold (splice loss threshold): It can display or hide small non-reflective event.
• Change the reflective threshold (Reflective threshold): It can hide the fake reflective event caused by
noise, turn the harmless reflective event to loss event or check the event which may cause damage to
network and other optical fiber equipment.
• Change the finish threshold (optical fiber end threshold): It can analyze the important loss event (like
breakpoint) and stop the event analysis after that event.
NOTE
“Auto” mode and “Manual” mode can use these thresholds.
Set analysis detecting threshold
1) Press [Setup] in the button area located in the lower right area to enter setting surface.
2) Set these parameters in the parameters analysis part. In the relative edit frame, enter value needed or press
[Default] revert the default value.
Fig. 11.8 Parameters analysis edit frame
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3) Press [OK] to save setting and then quit setting surface; If press [Cancel], it will quit without setting
saved.
NOTE
Analysis detecting threshold just set will used for trace tested after the set and reanalysis of the trace.
11.16 Reanalyze the Trace
User can reanalyze the trace. Reanalyze the trace has follow effects:
• Create new event sheet for trace.
• Reanalyze the trace got by the software of latest version.
• Re-found the original event sheet (if the event sheet has been modified).
NOTE
Application program will analyze the newest tested trace. User can check the analytic result in the event options.
Reanalyze the trace:
1) In the [Event] options, press [Analysis], it will reanalyze the whole trace;
2) After analysis finished, the new analytic result will be listed in the event sheet.
NOTE
• If necessary, change the analysis detecting threshold first and then to continue the analysis.
• The analytic result may be inconsistent to the previous result if was affected by instrument features or
detecting threshold.
11.17 Analyze the Optical Fiber in Specific Optical Fiber Link
As to the PON optical fiber link which has splitter, you need to set the proper finish threshold (optical fiber end
detecting threshold) to analyze the end event which through the splitter. Please refer to the sheet “Recommended
parameters value of PON network optical fiber link”. Please change the analysis detecting threshold first and then
to analyze. This will analyze some events after splitter correctly.
11.18 Set Trace Display Parameter
User can modify following trace display options before or after the test and trace opened:
• Grid line: It can display or hide the grid line displayed on the Fig background; it will display the grid line
under default status.
• Navigation window: It can display or hide the window which used for whole trace survey on the upper
right position of the trace window.
• Length unit: it can select the length unit will be used in the whole application program.
Before the trace is opened, you can change following trace display options:
• Multi traces: Control whether to open multi traces at the same time
• Zoom toolbar: It can display or hide the zoom icon area which on the right side; will get maximized trace
display area after hide the zoom toolbar. The zoom toolbar is displayed under default status.
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For the first time entering OTDR functions surface, the help information for simple operation is displ ayed in the
trace area and the navigation window and grid line ar e not visible. Only after test or after the trace opened can see
the grid line and navigation window.
To set the trace display parameters:
1) To press [Setup] in the button bar located on the lower right of the OTDR menu.
2) In the options of test display area, select and modify the display options.
3) Press [Application] and make change, then quit the setting dialog box; or press [Cancel] to quit the setting
dialog box without setting save.
Fig. 11.9 Options of test display area
NOTE
To hide or display the zoom toolbar you must turn off all the traces opened. Otherwise the setting won’t go into
effect.
11.19 Set the Length Unit
In the OTDR parameters setting dialog box, select the length unit in the test display area options. The unit can be
meter, feet or mile.
NOTE
• The default length unit is meter.
• Some certain values such as pulse width, wavelength and etc. won’t change along with the distance. Pulse
indicated by second, wavelength indicated by nm.
• When select m as length unit, system will display km in some place.
• When select ft as length unit, system will display kft in some place.
• When select mi as length unit, system will display kmi in some place.
11.20 Display or Switch the Trace
In the OTDR test application program, in multi trace mode, there are two ways to switch the displayed trace:
1) To hide or display the trace: click the file name label on the upper left.
2) Or click the [ close trace] on the surface upper right to close current trace.
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11.21 Check Current Trace Parameters
Check current trace information on {Trace Info.} label.
Fig. 11.10 Check the trace parameters
The content displayed is shown below:
File name, save date and time, test wavelength, test pulse width, test time, test distance, total loss, average loss.
• File name: The name of current trace.
• Date: Date and time of test.
• Wavelength: Laser wavelength used for test.
• Pulse width: Laser pulse width used for sampling.
• Averaging time: Continuous sampling time.
• Range: Distance used for test.
• Link length: The length of optical fiber link calculated after test.
• Link loss: The total loss of the link starting point to the link end.
• Link attenuation: Average loss of the total link, indicated as function of distance.
• Event quantity: Total events number got from current trace analysis which is according to test parameters
The content displayed on the right:
IOR, back scatter, splice threshold, reflection threshold, end detecting threshold.
• IOR: In dicates the trace IOR (also called group coefficient). If you modify this parameter, it will adjust
the trace distance test.
• Backscatter: Rayleigh back scatter parameter setting of the displayed trace.
• Non-reflective threshold: Check the current setting of small non reflective event during the trace
analyzing.
• Reflection threshold: Check the current setting of small reflection event during the trace analyzing.
• End threshold: Check the current setting of the loss of important events (will affect the transmission
performance during the trace analyzing)
NOTE
Trace parameter options only displays the selected trace even if multi traces are opened. Please switch to the trace
if you want to display the parameters of other traces. The trace selected is in red.
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12 Manual Trace Analysis
User can use markers and zoom tools to measure splice loss, attenuation and reflection, or use markers to locate
event position and relative power level.
12.1 Use Markers
Click {Markers} label in OTDR main interface to activate markers.
12.2 Event Location and Loss Information
OTDR application automatically calculates event location and displays the location in events list. User can
manually check event location and distance between events. Loss information can be also displayed. The X-axis
represents distance and Y-axis represents relative power.
Fig. 12.1 Event location and loss information
To acquire event location and loss information
1) Click {Markers} label in OTDR main interface.
2) Place marker A or B to at the beginning of the event, the marker label will show distance.
3) Fig 12.1 shows the insertion loss of current marker and A-B loss.
12.3 Measure Insertion Loss (2-point and 5-point method)
Insertion loss (unit: dB) is calculated by measuring the signal level of Rayleigh backscatter (RBS) and the
magnitude of reduction. Insertion loss can be created by reflective and non-reflective events.
In real-time the system calculates the loss between Marker A and B, and also calculates the insertion loss at
Marker A or B. Insertion loss is calcula ted in 5-point method.
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2-point method (A-B Loss):
Insertion loss is calculated as shown in Fig. 12.2.
Fig. 12.2 2-point Loss
2-point method is suitable for measuring splice loss but not applicable to measuring reflective events.
NOTE
• “A-B Loss” is for quick loss measurement of certain segment of the fiber marked between
Marker A and B.
• “A-B Loss” is not applicable to measuring reflection events.
5-point method to measure event loss:
Event loss is measured by 5-point method. When the [Loss] button in “Markers” Label is not pressed, the marking
points used by 5-point method will not display; however, the system use 5-point method by default.
When applying the 5-point method manually, the marker and its related 4 marking points divide the trace around
the event into 2 areas: the left to the active marker and the right to the marker, the 2 marking points on the left and
the 2 on the right both form a straight line, move the two lines close to the event center and the power difference
between the two lines is the event insertion loss.
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It also applies to the measurement of point A’s or B’s insertion loss.
Fig.12.3 5-point method
When [Loss] button is pressed, the PRO-6350 will show the marking points to measure the event loss. When
Marker A is selected, the screen will display the 4 marking points related to Marker A. When Marker B is
selected, the screen will display the 4 marking points related to Marker B. The Markers and marking points can
move separately.
The procedure to apply 5-point method:
1) In the main interface of the PRO-6350 OTDR m odu le, click “Mark ers” labe l ;
2) Press [Loss] button, Marker A, Marker B and their related marking points will be displayed on the trace;
3) Zoom the trace to view the event clearly, move Marker A to the end of linear part of the trace before the
event;
4) Move the first marking point to the beginning of the linear part of the trace before the event;
5) Move the second marking point to the end of the linear part of the trace befo re the ev ent;
6) Move the third marking point to the beginning of the linear part of the trace after the event;
7) Move the fourth marking point to the end of the linear part of the trace after the event;
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Fig. 12.4 Measure insertion loss in 5-point method
NOTE
• The marking points on the left of the active marker cannot be moved to the right and vice versa.
• The loss showed in the Event List is measured by 5-point method.
12.4 Measure Attenuation (2-point and LSA method)
2-point method measures the attenuation between Marker A and B calculated by all the loss over the distance
between Marker A and B (Unit: dB/Km). Use only these two points to calculate.
LSA (least-squares approximation) method uses linear regressions that is applied to the backscatter before and
after an event (Between Marker A and B) to estimate the attenuation in the backscatter resulting from the event’s
loss. LSA method only measures the amplitude (decibel) change between the crossing points of the trace with
Marker A and B.
Compared to 2-point method, LSA method is more accurate because it is less sensitive to trace noise and suitable
for measuring splice attenuation. However, LSA method should not be applied to measure attenuation when there
are reflective events between Marker A and B.
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Measure attenuation:
1) Click {Markers} label in OTDR main interface to show Marker A and B.
2) Place Marker A and B at different points on trace.
3) Zoom in the trace to adjust marker position when necessary.
4) Check 2Pt. Atten. (2-point attenuation) and LSA Atten. (LSA attenuation) values, as shown in Fig. 12.5.
Fig. 12.5 View attenuation
NOTE
There should not be any event between Marker A and B when measuring attenuation with 2-point method.
12.5 Measure Reflectance
Reflectance is the ratio of reflected power (Pr) to incident power (Pi) of an event (such as a connector).
Reflectance = 10 log (Pr/Pi).
1) Click {Markers} label in OTDR main interface to show Marker A and B.
2) Click [Refl.] button to show marking points.
3) Before measurement, zoom in the trace and place Marker A to the end of linear part of the trace before
the event.
4) Move the first marking point to the beginning of the linear part of the trace before the event
and Marker A.
5) Move the second marking point to the end of the linear part of the trace befo re the ev ent and Mark er A.
6) Place the marking point behind Marker A to the peak of the reflection event to be measured.
7) View the reflectance.
NOTE
Above process is applicable to measuring all reflection events’ reflectance even if they are very close to each
other.
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Fig 12.6 Measure reflectance
NOTE
For non-reflective events, reflectance will show as “-----”。
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13 Trace File Management
User can save, open, rename and delete trace file after acqui si tion .
User can save and open trace file in OTDR main interface.
User can rename, copy, move and delete file in File Explorer.
13.1 Save Trace in Different Formats
In the OTDR main interface, user can choose trace saving format as Bellcore (.sor) or JPEG (.jpg).
If saving trace as other formats, user should copy the trace file to the PC and use the OTDR Trace Manager
Software, which has installed on the PC, to select other formats.
13.2 Copy, Move, Rename and Delete Trace
There are two ways to copy, move, rename and delete trace.
Method one: Though File Explorer:
1) A. In the PRO-6350 main interface, click {Program} label and click [File Explorer] icon as shown in Fig
13.1:
Fig 13.1 File explorer
2) B. Click [Start] button or press (Start/Stop) button on front panel to enter File Explorer.
3) C. Click “SDMMC_Disk” icon to enter internal memory space.
4) D. Copy, move, rename and delete trace.
5) E. After operation, click [ ] button to return to main interface.
NOTE
• In File Explorer, the file and directory operation is similar to Windows 98/XPsystem.
• User can move, rename and delete files saved in “SDMMC_Disk” but the disk itself cannot be moved,
renamed or deleted.
• For more information, please refer to the Help file on PRO-6350.
Method two: User can connect the PRO-6350 to a PC, and the PRO-6350 will be recognized as a mobile device.
User can copy, move, rename and delete files in PC’s Windows System.
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13.3 Check Disk Space
User can check disk space utilization status (used space and free space) in File Explorer:
1) Enter File Explorer in the PRO-6350 main interface.
2) Click “SDMMC_Disk” icon and select [File] <Properties> or click and hold “SDMMC_Disk” icon, select
<Properties> from pop-up menu.
3) “SDMMC_Disk” space utilization status is shown below:
Fig. 13.2 Check disk space utilization
4) Click “OK” to exit disk properties.
NOTE
It’s suggested to check disk space utilization status from time to time and transfer or back up files to avoid
insufficient disk space when the PRO-6350 is in use.
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14 Print OTDR Report
User can manage saved trace files in the PRO-6350 and print report. For reference and report printing, it is
necessary to manage and update trace information.
14.1 Trace Information
After trace acquisition, user can add or update tested fiber information which includes: Cable ID, Fiber ID, Fiber
Type, Start Location, End Location and Operator.
Adding or updating the information can be completed in {Trace Info.}.
14.2 Check and Edit Trace Information
User can check and edit trace information in {Trace Info.} function window.
When newly tested trace is saved, the trace is saved with above information.
User can also edit saved trace information and save the trace with updated information.
NOTE
• After editing trace information of a saved trace, the updated trace file name will show a star sign (“*”) to
indicate the change. If user closes the editing window without saving, system will prompt user to save.
• The update to the trace information is only effective to current active trace in Multi-trace display mode.
• Editing trace information does not affect measurement parameters and result.
Edit and save trace information:
1) Click {Trace Info.} label in OTDR main interface.
Fig. 14.1 Trace information and editing
2) Press [Edit] button and trace window will pop up.
3) Input trace information in the pop-up window.
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4) After editing, press [Ok] to save and return to main interface; click [Cancel] to leave without change.
5) Click [Save] button in OTDR main interface to save the trace again and the updated information will be
saved with the trace file.
6) Can use the same steps to view or change the trace information at any time.
NOTE
• Edited and saved traces can be used as a temp late for user ’s later ref eren ce.
• User can also use software to edit and save trace information.
14.3 Print OTDR Report
The PRO-6350 supports direct connection to USB printer for printing.
OTDR report includes trace information, measurement parameters, trace, markers information, event list and etc.
Detailed contents to be printed can be specified in Print Option.
Print OTDR report:
1) Connect USB printer to the PRO-6350.
For first printing, please first configure printer, please refer to 2.7 Printer Configuration.
2) Click ] button in OTDR main interface and printing dialog window will pop up.
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3) Choose the traces to be printed:
a. To print current file, please check “Print current file” option and only one trace will be printed.
Fig. 14.3 Printing dialog window
b. To print unopened traces saved in the PRO-6350, please check “Batch print” option which
supports up to 8-traces printing.
4) Print Option:
User can customize OTDR report by clicking [Option] button on printing dialog window to specify the
contents to be printed.
Fig. 14.4 Printing options
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5) Press [Print] button to start printing.
During printing, system will display the message “Printing…Pease wait”, shown in Fig 14.5.
Fig. 14.5 Printing
6) After printing is finished, system will return to main interface.
NOTE
During printing, please do not manually close the printing window.
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15 OTDR Module Built-in Stabilized Laser Source LS100
Under “SLS”, there are two setting interfaces: “General Setup”, “Reference Setting”. “General Setup” interface is
shown as Fig 15.1
Fig.15.1 Stabilized Laser Source – Setup Interface
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“Unit”: Shift between dBm and W.
“Wavelength”: Same as the wavelength of OTDR, wavelengths can be selectable. “Modulation”: Select different
modes at CW, 270Hz, 1KHz, 2KHz、Auto ID.
After the setup, click [Start] button or Press “ ”（Start/Stop）button on the PRO-6350 front panel to start the
measurement. Click [Stop] button or Re-Press “ ”（Start/Stop）button on the PRO-6350 front panel to stop
the measurement.
NOTE
The function icon turns red while switching on this function module.
“Reference setting” interface is shown as Fig 15.2
Fig. 15.2 Stabilized Laser Source – Ref. Setting
“Attenuation”: Select from steps at 1.0dB, 0.5dB, 0.1dB, 0.05dB. The adjustable range of output power is 6 dB.
“Ref.”: Select “Set SLS output power as “Ref” or “Manual input” to set the Ref. Click “Save” to save the Ref.
setting.
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“
“
“
16 OTDR Module Built-in Optical Power Meter PM100
Optical power meter operation:
Click “OPM” icon to enter Optical Power Meter interface as shown in Fig 16.1.
Fig. 16.1 Optical Power Meter
After the setup, click [Start] button or Press “ ” (Start/Stop) button on the PRO-6350 front panel to start the
measurement. Click [Stop] button or Re-Press “ ” (Start/Stop) button on the PRO-6350 front panel to stop the
measurement.
NOTE
• The function icon turns red while switching on this function module.
• The wavelength of OPM will be changed to the current wavelength automatically if the Modulation set of
SLS is Auto ID.
Unit”: Shift between dBm and W.
Auto zero”: This function provides an easy method of auto zero of power meter, which can be used to rectify
the instrument’s power value under non-luminous state in daily testing.
NOTE
Put protective cap on optical power testing output, and ensure that the tie-in is completely airproof.
Wavelength”: Support 850, 1300, 1310, 1490, 1550, 1625, 1650nm wavelengths selectable.
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NOTE
PM100 is only available with the OTDR module built-in PM100. With PM100, OTDR port will issue a special
modulation signal.
CAUTION
Except the specific light port (light port used for online testing), do not connect the optical fiber which loads
signal to the OTDR port, any external signal over -30dBm will affect the OTDR sampling and cause permanent
damage to the OTDR.
OTDR built-in source:
1) Clean connector properly.
2) Connect tested fiber to OTDR port.
3) Click {Source/VFL} in OTDR main interface.
4) Select the suitable wavelength.
5) Select the modu la tio n .
6) Press the [Open Source] in the {Source/VFL}.
7) Press the [Close Source] to break off the source.
NOTE
• If there is only one wavelength, the default is to select this wavelength.
• Under the modulation for loss measurement, please select the CW.
• Under the modulation for fiber identification, please select the 1kHz or 2kHz.
• For fiber identification easily, the PRO-6350 also offers a blink mode. When user select the blink mode,
modulating signal (1kHz or 2kHz) will be emitted in 1s, then the next 1s signal will be closed, and then
will be emitted in next 1s, and so on. User can select 1kHz+Blink or 2kHz+Blink for the Blink Mode.
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17 VFL Application
The built-in VFL of OTDR module can shoot red laser into the tested fiber, the red laser will glow at the macro
bend, breaking points and bare fiber end. The maximum detection range for the PRO-6350 VFL is over 5Km, it is
a practical tool for fiber identification, detecting and highlighting breaks, tight bends, splices or defective
connectors in optical fibers. The VFL is a perfect complementary tool to OTDR for its visualized detecting
method in close range like OTDR dead zone.
NOTE
VFL is only available with the OTDR module built-in VFL.
Fault locating with VFL:
1) Clean connector properly.
2) Connect tested fiber to VFL port.
3) Click { Source} in OTDR main interface.
4) Check “CW” option to emitter laser continuously or check “Flash” to emitter modulated laser at 1Hz.
5) Press [VFL On] button to start VFL and the { Source} icon will turn orange.
6) When VFL is working, press [VFL Off] to turn off VFL and the { Source} icon will turn back to
grey.
Fig. 17.1 VFL operation
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18 Video Inspection Probe (VIP)
An Inspection Probe can display connector surface enlarged view and find dirty or damaged connector. It is
convenient for the operator to view the connector and remove any hidden troubles, which may affect the
transmission quality. The VIP is connected by USB, and the LCD displays the fiber endface image. The user can
determine the quality of the endface and either pass or fail the endface. In order to meet different tests, the VIP
offers kinds of specifications of male and female port adapter, including SC, FC, LC, MU and etc.
Video Inspection Probe supports the following video fiber inspection probe for common functions:
• Zoom in control: Support 200x and 400x.
• Focus control: Fine tuning display quality.
• Image capture: Can capture and save the image which displays in the LCD.
NOTE
The VIP is only available with the OTDR module built-in VIP port.
18.1 Inspect the Optical Connector
1) Connect the probe to the VIP port .
2) Test fiber inserts the probe connector (Plea se select a suitable size connector).
3) Click “OCI” icon to enter Optical Connector Inspector interface as shown in Fig 18.1.
Fig. 18.1 Optical Connector Inspector Interface
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4) Click [Start] button or Press “ ” (Start/Stop) button on PRO-6350 front pan el to s t ar t the
measurement. As shown in Fig 18.2
Fig. 18.2 Measurement
5) Click [Stop] button or Re-Press “ ” (Start/Stop) button on the PRO-6350 front panel to stop the
measurement.
6) Exit this OCI interface: Click the exit button in the upper left corner; it will back to the main interface.
NOTE
• In order to obtain a clear image, user needs to adjust focal length of probe and the brightness and contrast
of image.
• If the probe is connected to the OCI before starting the application, user has to restart the application to
initialize.
18.2 Adjust the Image Brightness and Contrast
Adjust the brightness with interface brightness slider.
Adjust the contrast with interface contrast slider.
18.3 Focus Control
Control the focus by the focus control knob in the probe.
18.4 Zoom Image
Press [Zoom In] button, the image will magnify double.
In the magnification status, press [Zoom Out] button, the image will recover the original size.
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18.5 Capture Image
Inspection of the fiber connector, user can capture images and save images in BMP formats. Captured images can
be viewed in the OCI or be sent to the PC to make a report.
Capture Image:
1) Press [Start] button, and view the image. Then adjust the focus, brightness and contrast until satisfied with
the image.
2) Press [Save] button capture images and enter the save file dialog box.
3) Choose the file name and save location.
4) Press [OK] button to save the image and back to the main interface.
18.6 View the saved Image
1) Click the file manager of main interface program.
2) Open the folder which saves the capture image.
3) Double click the capture image file which you want to view.
4) Press the [File] <OFF> to exit the file manager after you are finished.
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19 File Management
User can directly copy, move, rename and delete file or folder on the PRO-6350. Files can also be exchanged
between the PRO-6350 and external storage devices like USB flash disk, USB hard drive and PC.
The PRO-6350 is equipped with two types of USB ports:
• USB host (Type A, for connecting to USB storage devices.
• USB (Type B, ) for data communication between the PRO-6350 and PC via USB cable.
19.1 Transfer Files or Folders between the PRO-6350 and USB Storage Device
1) Connect USB storage device to the PRO-6350 USB port.
2) Click [File Explorer] icon on {Program} label to enter File Explorer where active drives including USB
drives and folders are displayed for file management.
3) After file transfer, user can directly unplug the USB storage device from the PRO-6350.
NOTE
In case USB storage device is not shown in File Explorer, please close File Explorer and enter again.
19.2 Transfer Files or Folders between the PRO-6350 and PC
Microsoft ActiveSync software must be installed first on PC for file transfer between the PRO-6350 and PC.
Some necessary software shall be installed on PC before connecting the PRO-6350 to PC. For more information
about installation, please refer to the instructions in software setup CD.
1) If Microsoft ActiveSync software is not installed on PC, please install following the software setup
instruction.
2) Connect the USB cable’s type A end (flat) to PC and type B end ( ) to the PRO-6350.
3) After Microsoft ActiveSync software is installed and indicates “Connected”, click “Explore” to access the
files and folders in the PRO-6350; or enter the PRO-6350 and acce ss the files and folders from My
Computer.
4) After file transfer, simply disconnect the USB cable.
Fig. 19.1 ActiveSync connected
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NOTE
There’s no need to turn off the PC and the PRO-6350 when you connect and disconnect USB cable.
19.3 Delete Saved Files
1) Click File Explorer icon on {Program} label to enter File Explorer.
2) Click “\SDMMC_Disk” icon to enter internal storage space.
3) Select the files or folders to be deleted.
4) Click “Delete” in “File” menu to delete.
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20 Maintenance and Calibration
20.1 Cleaning of Optical Interfaces
Interfaces must be kept clean. Special alcohol may be used to clean optic output. Always replace protective dust
caps when the unit is not being used, and keep the protective dust caps clean.
In addition, flanges must be kept clean periodically.
20.2 Necessity of Cleaning
The diameter of optic core is 9μm, and diameter of dust and other particles ranges from 1/100 to 1/10 μm.
Comparatively speaking, the size of dust and other particles can cover part of optic end and therefore degrade the
performance of the PRO-6350.
In addition, power density may burn dust into optic fiber and induce further damage (for example, 0dBm optic
power may produce about 16,000,000W/m2 power density in single mode fiber). In this case, measurement will
be inaccurate and irreversible.
20.3 Safety Instructions before Cleaning
1) Make sure the PRO-6350 is powered off when cleaning.
2) Any operations contradict to the instructions may result in dangerous laser injuries.
3) Make sure laser source is off, when cleaning any optic connectors.
4) When the PRO-6350 is in operation, please always avoid looking directly into optic output. Although
laser radiation is invisible, it may do serious injury to eyesight.
5) Be cautious of electric shock and make sure AC power is disconnected with the PRO-6350 before
cleaning. Always use dry or moist soft cloth to clean the outside of the PRO-6350, and never clean the
inside.
6) Please do not add any accessory to optic instrument or adjust the PRO-6350 at discretion.
7) For maintenance, always go to qualified or certified professionals
20.4 Cleaning Tools
1) Optic fiber cleaner (for cleaning of optic connectors)
2) Optic fiber cleaning rod (for cleaning of optic outputs)
3) Optic fiber cleaning tissue (for cleaning optic interfaces)
4) Isopropyl alcohol
5) Cotton ball
6) Paper tissue
7) Cleaning brush
8) Condensed air
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20.5 Cleaning Procedure
1) Screw off the cap of flange
2) Clean the laser head carefully
3) Screw on the cap of flange
20.6 Battery Charging Instructions
Typically, the PRO-6350 Lithium battery supports over 7 hours continuous working.
Charging status is indicated in system main interface and the PRO-6350 front panel indicator.
1) In system main interface, charging status is displayed in the right upper corner.
2) Front panel charging indicator ( ) also indicats charging status (Please refer to 1.4 Front Panel
Indicators Introduction).
20.7 Battery Instruction
NOTE
• If the new battery is not fully charged, please charge the battery before the first time use which takes
approximately 3 hours.
• Charging time is subject to the type of functional modules in use, environment and etc.
• After the battery is used for a length of time, its capacity may not match charging status indication (e.g.
charging indicator indicates full but the PRO-6350 may power off due to low battery), then battery
calibration is necessary (Please refer to 20.9 Battery Calibration).
WARNING
• Please do not store battery in the environment where temperature is over 60℃ (140F).
• Use specified charger to charge the battery.
20.8 Charge Battery
Plug the charger to the PRO-6350 and power outlet, charging process automatically starts and finishes after
battery is fully charged.
20.9 Battery Calibration
After the battery is used for a length time, the battery gauge may not be accurate, e.g. it indicates battery has run
out but the battery can still provide power supply, or battery power is zero, but the battery power can last a long
time. Then the battery should be re-calibrated.
Procedure:
1) Run out of the battery completely.
2) Charge the battery until fully charged.
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20.10 Change Battery
1) Power Off the PRO-6350 and unplug power adaptor.
2) Open the battery dock cover.
3) Change battery.
4) Close the battery dock cover.
NOTE
• Please note if the power indicator on front panel is off before changing battery; make sure the PRO-6350
is completely off before changing battery.
• Only factory can change clock battery.
20.11 Calibration Requirements
Calibration of the PRO-6350 is recommended every two years. Please contact our representatives or nearby
customer service centers for proper calibration.
20.12 Shipment
During shipment, please keep the PRO-6350 in prescribed temperature range.
Please note following points to protect the PRO-6350 during shipment:
• Use original packing materials.
• Avoid excessive temperature and humidity change.
• Avoid direct exposure to sunlight.
• Avoid shock and vibration.
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21 Troubleshooting
21.1 Common Problems and Solutions
Problem Possi ble Reason Solution
Charge the battery.
Battery power run out
Power on failure
Black Screen
External keypad no response External keypad is not recognized.
External power supply is not connected
External power supply is unplugged
Battery dock cover is not closed properly Close the battery dock cover properly.
Screen backlight is off, but power indicator is on. Press any key to exit power saving mode.
Battery run out, PRO-6350 is off, power indicator
is off.
Change a new battery.
Connect the PRO-6350 to external power
supply.
Connect the PRO-6350 to external power
supply.
Make sure external power supply is well
connected on both e nds .
Charge the battery.
Change a new battery.
Connect the OTDR to external power supply.
Unplug the keypad and re-plug
Power off PRO-6350, plug keypad and power
on the PRO-6350 again.
Unplug the mouse and re-plug
External mouse no response External mouse is not recognized.
Screen display blurs Brightness is not set properly. Adjust brightness
Application no response Problem error
Battery run out. Change the battery.
Operation time is short
Battery is not fully charged.
Touch screen is not responding
properly with stylus
PRO-6350 indicates low battery
after battery is fully charged
Touch screen larger deviation
Battery is not fully charged Re-calibrate the battery
Power off the PRO-6350, plug mouse and
power on the PRO-6350 again.
Restart the PRO-6350 and run the application
again.
Charge the battery.
Re-calibrate the battery
Connect external US B mouse to calibrate the
stylus
Tab. 21.1 Common Problems and Solutions
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21.2 Trace Measurement Problems and Solutions
Problem Possible Reason Solution
Try again with short pulse width
Expected events are not shown in
the trace
Special events appear at the end of
the trace
Events are too close to each other.
SNR is poor
Wrong configuration
Wrong configuration, e.g. wrong
end threshold setting.
The fiber under test is too long to
exceed the range
Try testing from the other end of the
fiber
Try again with wide pulse width or
increase averaging time.
Check OTDR parameters, such as
Reflection threshold, non-reflection
threshold and end threshold; and
then re-analyze or test again.
Adjust configuration and test again
Select proper range and test again.
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22 Warranty
22.1 Terms of Warranty
All PRO products are warranted against defective material and workmanship for a period of one (1) year from the
date of shipment to the original customer. Any product found to be defective within the warranty period would be
repaired or replaced by Precision Rated Optics. In no case will Precision Rated Optics liabilities exceed the
original purchase price of the product.
22.2 Exclusion
The warranty on your equipment shall not apply to defects resulting from the following:
• Unauthorized repair or modification
• Misuse, negligence, or accident
Precision Rated Optics reserves the right to make changes to any of its products at any time without having to
replace or change previously purchased units.
22.3 Warranty Registration
A warranty registration card is included with the original shipment of equipment. Please take a few moments to
fill out the card and mail or fax it to the local Customer Service Center of Precision Rated Optics to ensure proper
initiation of your warranty term and scope of your warranty.
22.4 Returning Instruments
To return instrument for reasons of yearly calibration or other, please contact the local Customer Service Center
of Precision Rated Optics to obtain additional information and a RMA# (Return Materials Authorization number).
And describe briefly reasons for the return of the equipment, to allow us offer you more efficient service.
NOTE
To return PRO-6350 in the case of repair, calibration or other maintenan ce, p lease note the following:
• Be sure to pack the PRO-6350 with soft cushion like Polyethylene, so as to protect the shell of the PRO-
6350.
• Please use the original hard packing box. If use other packing material, please ensure at least 3 cm soft
material around the PRO-6350.
• Be sure to correctly fill out and return the warranty registration card, which should include the following
information: company name, postal address, contact, phone number, e-mail address and problem
description.
• Be sure to seal the packing box with exclusive tape.
• Be sure to ship to our local representative or directly to us in a reliable way.
22.5 Contacting Customer Service
Please check our web site (www.precisionratedoptics.com) for updates to this manual and additional application
information.
Precision R ated Optics, Inc.
Corporate Office
Billing & Processing
PO Box 877 Trexlertown, PA 18087
Precision R ated Optics, Inc.
Product Distribution Center Manufactu ring & Te st ing
9999 Hamilton Blvd Breinigsville, PA 18031
V.5.18.2016
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