versiv cctt version 1.0 n
TRANSCRIPT
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WELCOME
Version 1.4
VersivCertified
Cabling
Technician
Training
© 2014 Fluke Corporation. All rights reserved
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• This course is split into three sections
1. Copper Certification (DSX-5000 CableAnalyzer)
2. Tier 1 Fiber Certification (CertiFiber Pro)
3. Tier 2 Fiber Certification (OptiFiber Pro)
• At the end of the course you will be able to
1. Setup DSX-5000, CertiFiber Pro and OptiFiber Pro
2. Test using a DSX-5000, CertiFiber Pro and OptiFiber Pro
3. Troubleshoot copper and fiber links
4. Download results into LinkWare for warranty application
IN THIS COURSE
© 2014 Fluke Corporation. All rights reserved
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• Versiv introduction and common settings
- Exporting configuration and results
• Copper test limits/standards
• Adapter types
• Configuring for a twist pair test
• Making a measurement and reviewing the result
• New test parameters
- DC Resistance Unbalance, TCL, ELTCTL
• DSX diagnostics
- HDTDX and HDTDR
• Single test
• Patch cord certification
• Alien Crosstalk
DSX-5000 CABLEANALYZER TESTING
© 2014 Fluke Corporation. All rights reserved
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• Basic fiber theory
• Encircled flux
• Configuring the CertiFiber Pro
• Fiber inspection
- Automated analysis
• Setting a reference for a duplex link
- LC to LC duplex
• Creating a custom test limit
• ISO/IEC 14763-3
- Understanding how the different connector losses differ from other standards
• Setting a reference for a simplex link
- SC/APC to SC/APC
CERTIFIBER PRO TESTING
© 2014 Fluke Corporation. All rights reserved
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• Basic OTDR theory
• OTDR event types
- Reflective, no reflective, ghosts
• Launch fiber compensation
- Four different types
• Custom OTDR limits- Walk through the process of creating a custom limit
• OptiFiber Pro link testing
• OptiFiber Pro results analysis
• Bi-directional averaging
OPTIFIBER PRO TESTING
© 2014 Fluke Corporation. All rights reserved
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Versiv introduction
© 2014 Fluke Corporation. All rights reserved.
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• The languages available to you will depend on where you
purchased your Versiv
1. North America
2. Europe and Middle East
3. -4. Asia Pacific
5. Peoples Republic on China
LANGUAGE
© 2014 Fluke Corporation. All rights reserved
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• Changing the language is simple
• From the HOME screen, tap:
- TOOLS
- Swiped up to see Language
- Language
- We’ll keep it English here
• Additional information
- If you do not see your language, the
Versiv was not sold thru an authorized
Fluke Networks distributor – you mayhave no warranty
- You can change the language on the
reports in LinkWare – independent
of where you got your Versiv
LANGUAGES
© 2014 Fluke Corporation. All rights reserved
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• Doing this will wipe ALL test results and settings in the Versiv
• There is no undoing this, no secret “back door”
• You should copy your ProjX and results to a thumb drive first
RESTORE VERSIV BACK TO FACTORY DEFAULT
Memory Stick – Not Wiped
Main Frame - Wiped© 2014 Fluke Corporation. All rights reserved
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• Doing this will wipe ALL test results and settings in the Versiv
• There is no undoing this, no secret “back door”
• You should copy your ProjX and results to a thumb drive first
RESTORE VERSIV BACK TO FACTORY DEFAULT
Thumb Drive – Not Wiped
Main Frame - Wiped© 2014 Fluke Corporation. All rights reserved
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• From the HOME screen, tap:
- PROJECT:
- TRANSFER
- Export
- SELECT ALL
- EXPORT
EXPORT PROJECTS
© 2014 Fluke Corporation. All rights reserved
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• From the HOME screen, tap:
- RESULTS:
- TRANSFER
- USB Flash Drive
- Export
- SELECT ALL
- EXPORT
EXPORT RESULTS
© 2014 Fluke Corporation. All rights reserved
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• Your Versiv was made in Everett, WA – USA
• Unless you are on the west coast of
America, you need to change the
TIME – the date too if you are in Asia
• From the TOOLS screen, tap:
- Date/Time- Date:
- DONE to save your date
SETTING THE DATE
Cannot be changed in LinkWare after you
have saved a test result
© 2014 Fluke Corporation. All rights reserved
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• From the DATE/TIME screen, tap:
- Time
- Done to save your time
SETTING THE TIME
Cannot be changed in LinkWare after you
have saved a test result
© 2014 Fluke Corporation. All rights reserved
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• Not a critical setting
• Your test report DATE/TIME format is driven by your LinkWare
Software settings
DATE/TIME FORMAT
LinkWare Software
© 2014 Fluke Corporation. All rights reserved
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• Critical to keep you Versiv current
- Results have been known to be rejected
• From the DATE/TIME screen, tap:
- (Back)
- Version Information
• This is the MAIN FRAME information
VERSION INFORMATION
© 2014 Fluke Corporation. All rights reserved
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• From the VERSION INFORMATION screen, tap:
- MODULE
• This is the MODULE information
• It has it’s own software
• Automatically updated when you
insert into a Versiv main frame
VERSION INFORMATION
© 2014 Fluke Corporation. All rights reserved
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• Only the modules are subject to an annual calibration
• Warranties can be denied if modules are not calibrated
CALIBRATION
No Cal Required
Cal Required
Cal Required
Cal Required© 2014 Fluke Corporation. All rights reserved
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• From the VERSION INFORMATION screen, tap:
- ADAPTER
• This is the ADAPTER information
- Stored in the adapters
VERSION INFORMATION
© 2014 Fluke Corporation. All rights reserved
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• When you change the tip on your DSX-PLA004, you can reset the
counter to monitor how many testshave been carried out with the
replacement tip
VERSION INFORMATION
DTX-PLA002PRP (Pack of two)© 2014 Fluke Corporation. All rights reserved
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• Download the update file from www.flukenetworks.com
• Connect your Versiv to the PC and in LinkWare, click on:- Utilities > DSX CableAnalyzer > Software Update
- Select the file you downloaded and click ok
• Repeat again for the remote unit
• Any updates to the modules will take place when you insert them
(Unlike the DTX Compact OTDR Module)
UPDATING THE VERSIV
© 2014 Fluke Corporation. All rights reserved
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• Main unit will update the remote unit but not the same
way as the DTX CableAnalyzer
UPDATES
You can use the supplied USB cable
with the DSX CableAnalyzer to do this
Adds 2 minutes to the update time,
for a total update time of 7 minutes.
© 2014 Fluke Corporation. All rights reserved
BATTERY STATUS
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• Versiv
- 39 Watt Hour Lithium Ion battery
- 4 hours to charge with unit off
- 6 hours to charge with unit on
- Expect to see more than 10 hours of battery life
- No re-training of battery needed
BATTERY STATUS
Unlike the DTX, the DSX can be used if
the battery has failed by plugging the
power in
© 2014 Fluke Corporation. All rights reserved
BATTERY STATUS
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• Indicates the status of the battery on the main unit
BATTERY STATUS
© 2014 Fluke Corporation. All rights reserved
BATTERY STATUS
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• You can see the approximate battery status on the remote unit
when you power it up
BATTERY STATUS
© 2014 Fluke Corporation. All rights reserved
BATTERY STATUS
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• You can see the battery status on the remote unit when they are
connected in any configuration- Connect the main and remote units as shown below
- Power on the remote
BATTERY STATUS
DSX-PLA004
Perm. Link Adapter
DSX-CHA004
Channel Adapter
© 2014 Fluke Corporation. All rights reserved
BATTERY STATUS
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• From the TOOLS screen, tap:
- Battery Status
• Additional information
- Time remaining caps out at 24 Hr.
- Running the battery to 0 % does not
degrade the battery
- If you remove the battery, tape over the
contacts to avoid a short circuit
BATTERY STATUS
© 2014 Fluke Corporation. All rights reserved
MEMORY
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• From the TOOLS screen, tap:
- Memory Status
• Additional information
- Store ≈ 12,700 Cat 6A results
- With full graphs
- Including HDTDX and HDTDR
- Cannot recover deleted results
- Back up to a thumb drive / memory
stick whenever you take a break
MEMORY
© 2014 Fluke Corporation. All rights reserved
NUMBER FORMAT
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• From the TOOLS screen, tap:
- Number
NUMBER FORMAT
Can be changed in LinkWare after you
have saved a test result
© 2014 Fluke Corporation. All rights reserved
LENGTH FORMAT
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• From the TOOL screen, tap:
- Length
LENGTH FORMAT
Can be changed in LinkWare after you
have saved a test result
© 2014 Fluke Corporation. All rights reserved
TIMEOUT PERIOD
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• From the TOOLS screen, tap:
- Timeout Period
• Backlight
- Disabled
- 5, 10 or 15 minutes
• Power Down
- Disabled
- 10, 20 or 30 minutes
TIMEOUT PERIOD
Do NOT disable. Then if you put the Versiv back in the case powered on -
you will still have a charge the next time you use it
© 2014 Fluke Corporation. All rights reserved
TIMEOUT PERIOD
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• The smart remote unit will power off
- After 60 minutes- Not adjustable
TIMEOUT PERIOD
© 2014 Fluke Corporation. All rights reserved
AUDIBLE TONE
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• From the TOOLS screen, tap:
- Audible Tone
• Disables tones on the main unit only
AUDIBLE TONE
© 2014 Fluke Corporation. All rights reserved
POWER LINE FREQUENCY
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• From the TOOLS screen, tap:
- Power Line Frequency
• Isolates noise from power supplies that
may interfere with the Wire Map
POWER LINE FREQUENCY
© 2014 Fluke Corporation. All rights reserved
DISPLAY
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• From the TOOLS screen, tap:
- Display
DISPLAY
Task:
Increase the brightness and view your battery status
© 2014 Fluke Corporation. All rights reserved
REVIEW #1
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• What does the Reset Series feature do?
• Can you disable the calibration date in LinkWare?
• How often should your Versiv be calibrated?
• What is the default power down time of the Versiv Smart Remote
and how do you change it?
• What setting has the most impact on your battery life?
© 2014 Fluke Corporation. All rights reserved
FIELD TESTER STANDARDS SUMMARY
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• ANSI/TIA-1152
- Defined accuracies for field testers- Level IIe, up to Category 5e (100 MHz)
- Level III, up to Category 6 (250 MHz)
- Level IIIe, up to Category 6A (500 MHz)
• IEC 61935-1 Edition 3- Defined accuracies for field testers
- Level IIe, up to Class D (100 MHz)
- Level III, up to Class E (250 MHz)
- Level IIIe, up to Class EA (500 MHz)
- Level IV, up to Class F (600 MHz)
- Level V (Draft Edition 4), up to Class FA (1 GHz) DSX-5000
© 2014 Fluke Corporation. All rights reserved
LOCATING A PERMANENT LINK LIMIT #1
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• Cat 5e Permanent Link
• From the HOME screen, tap:
- The test limit
- EDIT
- Test Limit
- MORE
- TIA
© 2014 Fluke Corporation. All rights reserved
LOCATING A PERMANENT LINK LIMIT #2
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• Cat 5 Permanent Link
• From the HOME screen, tap:
- The test limit
- EDIT
- Test Limit
- MORE
- TIA
- Swipe up the screen to see Cat 5
• TSB-67: Original Category 5 test- BL = Basic Link includes test leads
- No Permanent Link, did not exist back then
© 2014 Fluke Corporation. All rights reserved
LOCATING A PERMANENT LINK LIMIT #2
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• Cat 5 Permanent Link
• From the HOME screen, tap:
- The test limit
- EDIT
- Test Limit
- MORE
- TIA
- Swipe up the screen to see Cat 5
• TSB-95: 1000BASE-T test- BL = Basic Link includes test leads
- Adds ACR-F (ELFEXT) and Return Loss to TSB-67 test to support 1000BASE-T
© 2014 Fluke Corporation. All rights reserved
LOCATING A PERMANENT LINK LIMIT #3
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• (+PoE)
- Power over Ethernet- Standard test with the addition of
- Resistance
- Resistance Unbalance
• Resistance Unbalance- An important parameter for the successful
deployment of PoE devices such as cameras
and wireless access points
- More on this “new” measurement later
© 2014 Fluke Corporation. All rights reserved
LOCATING A PERMANENT LINK LIMIT #4
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• (+TCL)
• From the HOME screen, tap:
- The test limit
- EDIT
- Test Limit
- MORE
- Balance Measurements
• Balance measurements
- Standard test with the addition of- Transverse Conversion Loss
- Equal Level Transverse Conversion Transfer Loss
- More on these new measurements later
© 2014 Fluke Corporation. All rights reserved
LOCATING A PERMANENT LINK LIMIT #5
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• Category 7A Permanent Link
• From the HOME screen, tap:
- The test limit
- EDIT
- Test Limit
- MORE
- ISO
• PL3 and PL2?
- PL3 – consolidation point included- PL2 – no consolidation point
- Different NEXT limits
Class FA
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LOCATING A PERMANENT LINK LIMIT #5
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• (1 GHz) or (600 MHz)
- The field testing standard IEC 61935-1Edition 3 only supports field testing to
600 MHz for Class FA links
- There is a draft IEC 61935-1 Edition 4
which supports field testing of Class FA
links to 1 GHz
- So two options are given
- A published standard (600 MHz)
- A draft standard (1 GHz)
- Check with your cabling vendor to see
which one they require
© 2014 Fluke Corporation. All rights reserved
CLASS F A ADAPTERS
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• Siemon TERA
- You need at least one Channel & Permanent Link Adapter set a reference- You cannot makes a measurement without setting a reference first
DSX-PLA011
DSX-CHA011
© 2014 Fluke Corporation. All rights reserved
REVIEW #2
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• Why is a Channel test typically not done by installers?
• Which test limit do I use for Category 5?
• What causes the message “Bad Patch Cord”?
• What are the three link definitions found in the DSX?
• What does the (+PoE) limit add to the test?
• What does the (+TCL) limit add to the test?
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Configuring for a twisted pair test
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PROJX™
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• Allows you to configure the unit in advance
• The more you configure up front, the greaterthe time savings down the road
• Configuring upfront also allows the analyzer
to be handed off to a level entry technician
• You can track the PASS/FAILs within the unit
- Tell you what % of testing has been done
• You can have up to 100 projects in a Versiv
main frame
• Per project, you can pre-configure
- up to 10 separate tests per project
- 5,000 Cable IDs in total
© 2014 Fluke Corporation. All rights reserved
WHAT YOU CAN SET UP IN ADVANCE
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• For each project, you to configure the following
- Test Limit- Cable Type (Nominal Velocity of Propagation)
- Outlet Configuration
- Plot Data
- HDTDX/HDTDR
- AC Wire Map- Cable IDs (Using up to 60 characters)
- Operator name
• Projects can be saved to a thumb drive and loaded into other Versiv
main frames
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PROJECT CCTT 1
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• We’re going to create a new project called “CCTT 1” for:
- Category 5e cable
- NVP of 70 %
- Category 5e Permanent Link test limit
- T568A outlet configuration
- Plot Data enabled
- No AC Wire Map
- Cable ID:
- 20AL.B.1-36 TO 20AS.C.01 to 20AL.B.1-36 TO 20AS.C.48
- 20AL.C.1-36 TO 20AR.C.01 to 20AL.C.1-36 TO 20AR.C.48
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PROJECT CCTT 1
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• Let’s go ahead and create a new project called “CCTT 1”
• From the HOME screen, tap:- PROJECT:
- CHANGE PROJECT
- NEW PROJECT
- Enter CCTT 1
- DONE
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 1
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• Enter an Operator Name
• From the PROJECT screen, tap:- Operator:
- NEW OPERATOR
- Enter Your Name
- DONE
- Your Name
• You can have 20 OPERATORs
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PROJECT CCTT 1
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• Let’s go ahead and change the TEST SETUP
• From the PROJECT screen, tap:- TIA Cat 6A Perm. Link:
- Cable Type
U/UTP
- Individual pairs are unshielded
- No overall shield
F/UTP
- Individual pairs are unshielded
- Overall shield
S/FTP- Individual pairs are shielded
- Overall shield
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PROJECT CCTT 1
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• For DTX CableAnalyzer users
F/UTPS/FTP
U/UTP
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PROJECT CCTT 1
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• Let’s go ahead and change the TEST SETUP
• From the PROJECT screen, tap:- TIA Cat 6A Perm. Link:
- Cable Type:
- Cat 5e U/UTP
• The NVP changed!
• ALWAYS check on the vendor’s
website to see the NVP
• NVP affects your length reading
- It does not affect any other parameter
• We’ll cover other methods later
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PROJECT CCTT 1
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• Let’s go ahead and change the NVP:
• From the TEST SETUP screen, tap:- NVP:
- Change to 70%
- DONE
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 1
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• Let’s go ahead and change the Test Limit:
• From the TEST SETUP screen, tap:- Test Limit:
- TIA Cat 5e Perm. Link
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PROJECT CCTT 1
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• When Store Plot Data is On
- Stores graphs
- Most customers expect this
- Most cabling vendors expect this
- HDTDR/HDTDX diagnostics are saved
- Store 12,700 Cat 6A tests
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 1
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• HDTDR
- High Def. Time Domain Reflectometer
- Troubleshoot Return Loss issues
• HDTDX
- High Def. Time Domain Xtalk
- Troubleshoot NEXT issues
• Go ahead and tap:
- HDTDR/HDTDX:
- Two options to run
- When the link fails or is marginal
- All the time (adds ≈ 3 to 5 seconds)
- We’ll leave it on Fail/Pass* only
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PROJECT CCTT 1
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• Let’s go ahead and change the Outlet Configuration:
• From the TEST SETUP screen, tap:- Outlet Configuration:
- T568A
- USE SELECTED
• Two Pair Cat 5e?- We’ll do that in Project CCTT 2
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PROJECT CCTT 1
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• When AC Wire Map is On
- Resistance is not measured
- Shield is not checked
• Only used if testing through a
mid-span 1000BASE-T PoE device
• You will receive a warning when
running a test that these two
measurements are not made
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PROJECT CCTT 1
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• Don’t tap this
- This is the cancel key
• Tap SAVE followed by USE SELECTED
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PROJECT CCTT 1
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• Let’s go ahead and set our Cable ID schemes
• From the HOME screen, tap:- PROJECT:
- Delete the default Cable ID Set
- Confirm DELETE
- NEW ID SET
- Enter the First ID- 20AL.B.1-48 TO 20AS.C.01
- Enter the Last ID
- 20AL.B.1-48 TO 20AS.C.48
- DONE
- SAVE
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IMPORTING CABLE ID SCHEMES
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• Create them in LinkWare
- Utilities > DSX CableAnalyzer > Cable ID List
- Build Sequence
- Enter First ID and Last ID
- OK
- Send to DSX
- Name the ID scheme- OK
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 1
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• From the HOME screen, tap:
- PROJECT
- NEW ID SET
- IMPORT
- Your ID scheme
- IMPORT
- OK- Back
- Back
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 2
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• We’re going to create a new project called “CCTT 2” for:
- Category 5e cable- NVP of 70 %
- Category 5e Permanent Link test limit
- Two Pair Ethernet outlet configuration
- Plot Data enabled- No AC Wire Map
- Cable ID:
- FLOOR 1 / RACK 1 / 001 to FLOOR 1 / RACK 1 /096
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 2
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• Let’s go ahead and create a new project called “CCTT 2”
• From the HOME screen, tap:- PROJECT:
- CHANGE PROJECT
- NEW PROJECT
- Enter CCTT 2
- DONE
• To change the Operator, tap:
- Operator:
- Your name
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 2
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• Let’s go ahead and change the TEST SETUP
• From the PROJECT screen, tap:- TIA Cat 6A Perm. Link:
- Cable Type:
- Cat 5e U/UTP
- NVP:
- Change it to 70%- Done
- Test Limit:
- MORE
- TIA
- Swipe up to see TIA 1005 Cat 5e ……..
- TIA 1005 Cat 5e Perm. Link
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 2
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• Let’s go ahead and change the Outlet Configuration
• From the PROJECT screen, tap:- Outlet Configuration
- Ethernet Two-Pair
- Sample (Check the Wire Map)
- Cancel
- USE SELECTED- SAVE
© 2014 Fluke Corporation. All rights reserved
PROJECT CCTT 2
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• Let’s go ahead and set our Cable ID Sets:
• From the PROJECT screen, tap:- X to delete the default set
- DELETE to confirm
- NEW ID SET
- Enter the First ID
- FLOOR 1 / RACK 1 / 001- Enter the LAST ID
- FLOOR 1 / RACK 1 / 096
- DONE
- SAVE
© 2014 Fluke Corporation. All rights reserved
SAVE CCTT 1 & 2 TO A THUMB DRIVE
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• Let’s copy these to a thumb drive
• Insert a thumb drive• From the PROJECT screen, tap:
- TRANSFER
- Export
- Select CCTT 2 and CCTT 1
- EXPORT
- OK
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RESTORE CCTT 2 FROM THUMB DRIVE
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• Let’s put CCTT 2 back into the Versiv
•From the HOME screen, tap:
- PROJECT:
- TRANSFER
- Import
- Check CCTT 2
- IMPORT- OK
• Now lets see if it is back!
- to go back
- CHANGE PROJECT
- CCTT 2
© 2014 Fluke Corporation. All rights reserved
SAVING A PROJECT TO A PC
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• You can also download your project into LinkWare
© 2014 Fluke Corporation. All rights reserved
EXPORTING/IMPORTING QUIRK
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• When you download a project to a PC, the file format is:
- *.vps
• When you export a project to a thumb drive, the file format is:
- *.sql
• If you wish to push a thumb drive project *.sql to a Versiv usingLinkWare, you will need to first Import from USB, save it as a *.vps
and then Write Project Setup using the new *.vps file
• If you copy a *.vps file to a thumb drive, Versiv will not see that fileif you try to import it, you will need to Export to USB first
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Making a measurement and
reviewing the results
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SETTING A REFERENCE
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• It is recommended to do this for each testing shift
- Synchronizes the remote unit to the main unit
- You can reference up to eight remote units
- Units should be left on ≈ 5 minutes before setting a reference
- Connect using a Permanent Link Adapter and Channel Adapter
DSX-PLA004
Perm. Link Adapter
DSX-CHA004
Channel Adapter
© 2014 Fluke Corporation. All rights reserved
SETTING A REFERENCE
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• From the HOME screen, tap:
- TOOLS:
- Set Reference
- TEST
- DONE
DSX-PLA004
Perm. Link Adapter
DSX-CHA004
Channel Adapter
© 2014 Fluke Corporation. All rights reserved
Ch h j CCTT 1
REVIEWING A TEST
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• Change the project to CCTT 1
• Connect to the link in front of you
• Press TEST
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C t j t ll d “CCTT 3” f
TASK #1
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• Create a new project called “CCTT 3” for:
- Category 5e cable
- NVP of 65 %
- Category 5e Permanent Link test limit
- With Resistance Unbalance
- T568A outlet configuration
- Plot Data enabled
- No AC Wire Map
- Cable ID:
- B.1-01
- …….
- B.1-96
© 2014 Fluke Corporation. All rights reserved
• Create a new project called “CCTT 4” for
TASK #1
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• Create a new project called “CCTT 4” for:
- Category 3 cable
- NVP of 65 %
- Length/Wire Map test
- 4,5 Pair only
- Plot Data enabled
- No AC Wire Map
- Cable ID:
- V.1-01A to V.1-96B
© 2014 Fluke Corporation. All rights reserved
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DSX Diagnostics
© 2014 Fluke Corporation. All rights reserved.
• HDTDX
TIME DOMAIN DIAGNOSTIC
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• HDTDX
- High Definition Time Domain Xtalk
- Allows you to look down the cable and see where the Xtalk is
- Used for troubleshooting NEXT issues
• HDTDR
- High Definition Time Domain Reflectometer- Allows you to look down the cable and see impedance anomalies
- Excessive impedance anomalies cause Return Loss issues
- Used for troubleshooting Return Loss issues
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DSX HDTDX Diagnostics
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• New HDTDX schemed where DSX is better at higher frequencies
NEW VS. OLD TDX
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New HDTDX schemed where DSX is better at higher frequencies
Old TDX
New TDX
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• Where the connections are, ideally ≤ 35%
HDTDX GUIDE #1
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Where the connections are, ideally ≤ 35%
35% 35%
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• In the cable, ideally no more than four events ≥ 10%
HDTDX GUIDE #2
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In the cable, ideally no more than four events ≥ 10%
Cable not an issue in this example
© 2014 Fluke Corporation. All rights reserved
• Let’s view the HDTDX plot
NEXT FAILURE #1
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p
• From the Results screen, tap:
- DIAGNOSTIC
- HDTDX ANALYZER
- Select the worst NEXT pair (3,6-4,5)
• With a value of 46.1%, that exceeds ourguideline of 35% by some margin
• Clearly there is an issue at the remote
connection
© 2014 Fluke Corporation. All rights reserved
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• Here we see NEXT failed
NEXT FAILURE #2
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• Let’s look at the plot
• Find the worst pair
- 3,6-4,5
© 2014 Fluke Corporation. All rights reserved
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DSX HDTDR Diagnostics
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• In the cable, ideally events ≤ |0.8|
HDTDR GUIDE #1
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0.8%
-0.8%
Multiple events in cable
exceeding |0.8| suggests a
cable issue
At 13.6 m, the anomaly is as
much as you would expect
for a connection, this should
be visible damage
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• What is HDTDX used for?
REVIEW #6
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• What is HDTDR used for?
• What is the ideal limit for an HDTDX event at a connection?
• What is the ideal limit for a series of HDTDX events in the cable?
• What is the ideal limit for a series of HDTDR events in the cable?
• Using the Diagnostics menu can result in ……………….?
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Patch cord certification
© 2014 Fluke Corporation. All rights reserved.
CHANNEL ADAPTERS
• The channel measurement excludes the connection to the adapters
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• For patch cords, we want to measure that RJ45 connection
• This is not a valid test
• You are only measuring the cable
• Patch cord testing is found in
- ANSI/TIA-568-C.2
- ISO/IEC 11801:2010 and IEC 61935-2
© 2014 Fluke Corporation. All rights reserved
PATCH CORD ADAPTERS
• The patch cord measurement includes the connection to the adapters
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• Using patch cord adapters, DSX includes that RJ45 connection
• A special laboratory tested RJ45 Jack is used
- Called out in standards for patch cord certification
• The patch cord limits are tighter than the Channel limits as well
© 2014 Fluke Corporation. All rights reserved
• Same patch cord, different adapters/limits
CHANNEL VS PATCH CORD TESTING
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Margin looks too good? You are only measuring the cable, nothing else, so yes!
© 2014 Fluke Corporation. All rights reserved
• DSX-PC5e
F i ISO/IEC 11801 d ANSI/TIA 568 C 2 C 5
THREE PATCH CORD ADAPTERS
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- For testing to ISO/IEC 11801 and ANSI/TIA-568-C.2 Category 5e
• DSX-PC6- For testing to ISO/IEC 11801 and ANSI/TIA-568-C.2 Category 6
• DSX-PC6A
- For testing to ISO/IEC 11801 Category 6A and ANSI/TIA-568-C.2 Category 6A*
• The DSX-PC6A is not backward compatible with Cat 6 or 5e
* ANSI/TIA currently specifies a jack with a different performance to ISO/IEC.
However, ANSI/TIA is in the process of allowing the jack specified in ISO/IEC for patch
cord certification, so the DSX contains the proposed limits for Cat 6A testing
© 2014 Fluke Corporation. All rights reserved
• Why can’t we use the patch cord adapter for channel testing too?
b l d d i h i
WHY TWO ADAPTERS?
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• FEXT cannot be excluded using DSP techniques
• Need an adapter with excellent FEXT
• The patch cord adapter does not have excellent FEXT
- It must meet specific FEXT requirements of ANSI/TIA and IEC
• The channel adapter has excellent FEXT
- But as a result, it has poor NEXT
- That’s ok, because it can be gated out using DSP techniques
Excellent FEXT FEXT limited by standards requirement© 2014 Fluke Corporation. All rights reserved
• Give two reasons why you cannot use Channel Adapters to certify
patch cords
REVIEW #7
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patch cords
• How is the DSX patch cord testing different to the DTX patch cord
testing?
• What categories can patch cords be certified to using the DSX-PC6?
• What is the typical life of a patch cord adapter?
© 2014 Fluke Corporation. All rights reserved
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Alien Crosstalk(Exogenous Crosstalk)
© 2014 Fluke Corporation. All rights reserved.
WHAT IS ALIEN CROSSTALK?
• Alien crosstalk is the coupling of noise from one link to the other
h bl b h bl f h bl
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• When a cable is surrounded by other cables, noise from those cables
will impact its ability to transmit data – we call that Alien Crosstalk
• The cable we wish to measure for Alien Crosstalk is called the
Disturbed (Victim) and the adjacent cables are called the DisturbersDisturbers
Disturbed (Victim)
© 2014 Fluke Corporation. All rights reserved.
ALIEN CROSSTALK INSTALLATION TESTING
• ANSI/TIA-568-C.2 and ANSI/TIA-1152
Th i t t t ti PS ANEXT d PS AACR F t ti i ti l
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- There is no text stating PS ANEXT and PS AACR-F testing is optional
- PS ANEXT and PS AACR-F are required for compliance
- Values and methodology are found in ANSI/TIA-568-C.2
• ISO/IEC 11801:2010 and IEC 61935-1
- PS ANEXT and PS AACR-F is normative for field testing
- Specified in section A.2.11 …………… if not met by design
- If the coupling attenuation of Class EA or F permanent links or CP links is at least
10 dB better than the corresponding channel coupling attenuation requirements
(see Clause 6), and Class FA permanent links or CP links are at least 25 dB better
than the corresponding channel coupling attenuation requirements (see Clause 6),
then the requirements of A.2.11 are met by design.
- No way for you to know the coupling attenuation, not a field test
© 2014 Fluke Corporation. All rights reserved.
SHIELDED CABLING SYSTEMS
• Shielded cabling systems should perform better than unshielded
cabling systems if installed correctly
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cabling systems – if installed correctly
Shield terminated correctly Shield terminated incorrectly
Both links pass the TIA Cat 6A Permanent Link requirements with good margin© 2014 Fluke Corporation. All rights reserved.
ALIEN CROSSTALK MEASUREMENTS
• There are 16 ANEXT measurements between a disturbed (victim) cable
and a disturber cable
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and a disturber cable
PS ANEXT 1,2
PS ANEXT 4,5
PS ANEXT 7,8
PS ANEXT 4,5
© 2014 Fluke Corporation. All rights reserved.
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Fiber testing
Tier 1 and Tier 2
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TIER 1 AND TIER 2
• Tier 1
- Often referred to as OLTS or Optical Loss Test Set
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p
- Uses a source and power meter- Reports the difference between power in and power out in dB
- Duplex (two fiber) testers can also measure length
• Tier 2
- Often referred to as OTDR or Optical Time Domain Reflectometer testing
- Injects a series of light pulses into a fiber and measures the backscatter
returned to the OTDR port
- Single ended test but must be done in both directions
- Implies loss based on change in backscatter between events
- Depends on good reflectance which field polishing often fails to achieve
© 2014 Fluke Corporation. All rights reserved
EQUIPMENT REQUIRED FOR THIS COURSE
• Versiv main and remote units
• CertiFiber Pro Modules
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• CertiFiber Pro Modules
• EF-TRCs
• One LC to LC Duplex Cord
- This will be our link to test
• Four LC couplers/adapters
• FiberInspector
• OptiFiber Pro Module
• Three SC Multimode Launch Fibers
• Two SC Singlemode couplers/adapters
© 2014 Fluke Corporation. All rights reserved.
FOREWORD
• Many of the fiber (fibre) calculations you do today will be in meters
(metres)
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(metres)
• ANSI/TIA-568-C.3 cable requirements are expressed as dB/km
• Where calculations are not involved, screen shots will be in the units
appropriate for your region
• This course will also cover ISO/IEC 14763-3
© 2014 Fluke Corporation. All rights reserved.
IMPORTANT SAFETY NOTE
• Under NO circumstances should you ever look into a fiber
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• The wavelength being used cannot be seen by the naked eye
• Light from an active fiber if powerful enough, can do permanent damage toyour eye sight
• The equipment you are using today cannot do permanent damage to your
eye sight if exposed occasionally
• If you are told a fiber is not active, treat it as if it is
• NEVER stand in front of a fiber patch panel unless ALL of the fiber connectors
have a protective cap on them
• Wash your hands BEFORE and AFTER going to the bathroom
© 2014 Fluke Corporation. All rights reserved.
NO POINT IN LOOKING INTO A FIBER
YOU WILL NOT SEE ANYTHING!
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DESIGNATION
• The following applies to ANSI/TIA-568-C and ISO/IEC 11801:2010
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- OM1: 62.5 µm multimode fiber with a MBW of 200 MHz.km
- OM2: 50 µm multimode fiber with a MBW of 500 MHz.km
- OM3: 50 µm multimode fiber with a MBW of 2000 MHz.km
- OM4: 50 µm multimode fiber with a MBW of 4700 MHz.km
- OS1: 9 µm singlemode fiber
- OS2: 9 µm Low Water Peak singlemode fiber
© 2014 Fluke Corporation. All rights reserved.
DESIGNATION
• OM1 Orange jacket
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• OM2 Orange jacket
• OM3/OM4. Aqua jacket
• OS1 /OS2 Yellow jacket
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MULTIMODE FIBERS
• Mode: from the Latin “path”; so it means multi-paths
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• The modes arrive at different times causing the signal to spread
125 µm62.5 µm
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APPLICATIONS LIMITED BY DISPERSION/LOSS
• Modal Bandwidth (MBW)
- is the unit to classify dispersion in the cable
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• 50 /125 µm has less dispersion
- – it’s core is smaller than 62.5/125 µm fiber
• Your loss may be lower than the allowed fixed loss, but if it exceeds
the length found here (IEEE 802.3) there may be errors on the network
• IEEE 802.3ae specifies 400 m, cabling vendors may specify 550 m
© 2014 Fluke Corporation. All rights reserved.
SINGLEMODE FIBERS
• Mode: from the Latin “path”; so it means single-path
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125 µm9 µm
• There is only one mode, so no signal spreading this time
© 2014 Fluke Corporation. All rights reserved.
MIXING MULTIMODE FIBERS
• What happens when you connect a 62.5/125 µm to a 50/125 µm?
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• Many of the modes will disappear into the cladding – forever!
• There will be a significant loss (as large as 4 dB)
• Also known as a coupling loss
• This happens a great deal as users migrate from 62.5 to 50 µm fiber
125 µm50 µm
© 2014 Fluke Corporation. All rights reserved.
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Encircled Flux (EF)
© 2014 Fluke Corporation. All rights reserved.
• Test equipment #1, loss is 1.06 dB
LAUNCH CONDITIONS
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© 2014 Fluke Corporation. All rights reserved
• Diagrams shown to visualize the issue as best as possible
LAUNCH CONDITIONS
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Source 1
Over filled
Source 2
Under filled
© 2014 Fluke Corporation. All rights reserved
CPR ASSESSMENT SHORTFALLANSI/TIA-526-14-A (Obsolete Standard)
Coupled Power Ratio compares power in center to total power
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Source 1
Over filled
Source 2
Under filled
Coupled Power Ratio compares power in center to total power.
It can’t provide assessment of mode power distribution in the outer radii
which is critical to obtain good agreement with different test instruments.
© 2014 Fluke Corporation. All rights reserved
EF ASSESSMENT IMPROVEMENT
EF specifies power throughout core using multiple control radii.
ANSI/TIA-526-14-B August 2010 (Current Standard)
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Source 1
Over filled
Source 2
Under filled
EF provides tight tolerance on mode power distribution in the outer radii
enabling improved agreement between EF-compliant test instruments.
© 2014 Fluke Corporation. All rights reserved
REVIEW #9
• Why should you never look into a fiber?
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• What’s the difference between OM2 and OM3 fiber?
• What is the maximum length you can run 10GBASE-SR to?
• Why is it important to know which OM fiber you are testing?
• What does having a EF compliant source do for you?
© 2014 Fluke Corporation. All rights reserved.
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Configuring the CertiFiber Pro
© 2014 Fluke Corporation. All rights reserved.
• From the HOME screen, tap:
- PROJECT
DUPLEX FIBER TESTING - CONFIGURATION
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- CHANGE PROJECT- NEW PROJECT
- Enter CCTT 5
- DONE
© 2014 Fluke Corporation. All rights reserved
• From the PROJECT screen, tap:
- Test limit name
DUPLEX FIBER TESTING - CONFIGURATION
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- Test Type:- BACK
L o o p B a c
k
F a r E n d S o u
r c e
S m a r t R e m
o t e
© 2014 Fluke Corporation. All rights reserved
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• Fiber Type Setting
- Shows the Index of Refraction for the
cable type you selected previously
DUPLEX FIBER TESTING - CONFIGURATION
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- Not changeable
- If you want to change it, create a custom
cable type
© 2014 Fluke Corporation. All rights reserved
• Test Limit:
- Most common will show on the last used
DUPLEX FIBER TESTING - CONFIGURATION
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- For more options, tap MORE
© 2014 Fluke Corporation. All rights reserved
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• Test Limit:
- Most common will show on the last used
F i O
DUPLEX FIBER TESTING - CONFIGURATION
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- For more options, tap MORE- Today we will use TIA, tap TIA
- If you wanted singlemode to appear,
you would need the change the cable
type to a singlemode one
- Tap TIA-568-C Multimode
© 2014 Fluke Corporation. All rights reserved
• Reference Method:
- Tap Reference Method
A i t DTX i th bilit
DUPLEX FIBER TESTING - CONFIGURATION
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- An improvement over DTX is the abilityto change all these options on one screen
© 2014 Fluke Corporation. All rights reserved
• Reference Method:
- Tap Reference Method
A i t DTX i th bilit
DUPLEX FIBER TESTING - CONFIGURATION
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- An improvement over DTX is the abilityto change all these options on one screen
- Change it from 1 Jumper Reference to a
2 Jumper Reference
- Tap DONE
- Change it back to 1 Jumper
WARNING:Applying for a cabling warranty? They will reject any results where a 2 Jumper Reference is used.
© 2014 Fluke Corporation. All rights reserved
• Connector Type:
- Tap Connector Type
N t V i 2 3
DUPLEX FIBER TESTING - CONFIGURATION
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- New to Version 2.3- If bi-directional is turned on, the auto
continue feature will be disabled if you
select General , ST or FC here
- Does not affect the outcome of the test
- We’ll leave it as LC today
© 2014 Fluke Corporation. All rights reserved
• Connector Type: MPO Module
- An MPO Module consists of an LC and MPO/MTP connector
- In TIA, this is two connections
DUPLEX FIBER TESTING - CONFIGURATION
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- In the real world, the vendors treat this as one connection
© 2014 Fluke Corporation. All rights reserved
• TEST SETUP:
- Now completed
- Tap SAVE!!!!!!!
DUPLEX FIBER TESTING - CONFIGURATION
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- Don’t tap
this will cancel your changes
© 2014 Fluke Corporation. All rights reserved
• TEST SETUP:
- Now completed
- Tap SAVE!!!!!!!
DUPLEX FIBER TESTING - CONFIGURATION
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- Don’t tap
this will cancel your changes
- Press the HOME key
© 2014 Fluke Corporation. All rights reserved
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Fiber end face inspection
© 2014 Fluke Corporation. All rights reserved.
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CLEANING KIT
• Isopropyl Alcohol (IPA) is typically used
- It should be better than 98% (rubbing alcohol is 70%)
- Local pharmacy stocks no better than 91% (not good enough)
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Local pharmacy stocks no better than 91% (not good enough)• There are disadvantages to IPA
- Over time, absorbs water and is no longer 98%
- Will not remove non ionic compounds
- Tends to leave a residue behind if you are not careful
• Hybrid cleaners are better, such as the Fluke Networks Fiber Optic Pen
• There are significant advantages with these new hybrid cleaners
- Aggressive cleaner, better than IPA
- Evaporates very quickly, less likely to leave residue behind
- Has antistatic properties so dust in the air is less likely to be attracted to the endface of the connector
© 2014 Fluke Corporation. All rights reserved.
CLEANING KITS
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Wet to dry cleaning is ALWAYS better
Click pens ideal for ports, not for cleaning
patch cords where end faces are subject
to grease from fingers
© 2014 Fluke Corporation. All rights reserved.
• Click Cleaners for cleaning different end
faces/connectors — no training required
- 1.25 mm LC and MU connector and end faces
2 5 mm SC ST FC E2000 connector and end faces
CLEANING WITH CLICK CLEANERS
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- 2.5 mm SC, ST, FC, E2000 connector and end faces
- MPO/MTP connector and end faces
• Cleans Ports on devices and patch panels
as well as Cords ….with an adapter
• Dry cleaning is less efficient for cleaning
grease (dried skin oil) than wet cleaning
with a solvent and swabs/cleaning cubes
© 2014 Fluke Corporation. All rights reserved
• Peel cover from unused “N.”
• Apply a minimal amount of solvent from the Solvent Pen
• Place end-face perpendicular to card in first corner of unused “N”
OPTIMAL CLEANING METHOD
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• Swipe through “N” shape using gentle pressure and moving from
wet to dry• Check end-face with microscope, place cap on test reference cord
© 2014 Fluke Corporation. All rights reserved
• Examinations and measurements – Fibre optic connector endface
visual and automated inspection
• With Version 3 or later code, your Versiv mainframe with theoptional FiberInspector can inspect the endface of a connector and
IEC 61300-3-35
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With Version 3 or later code, your Versiv mainframe with theoptional FiberInspector can inspect the endface of a connector and
grade it per this standard
• Four limits to choose from:
- IEC 61300-3-35 MM
- IEC 61300-3-35 SM RL>=45dB
- IEC 61300-3-35 SM RL>=26dB
- IEC 61300-3-35 SM APC
© 2014 Fluke Corporation. All rights reserved
• Multimode – both field and factory polished
IEC 61300-3-35 MM
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A B
C
D
© 2014 Fluke Corporation. All rights reserved
• Singlemode– field polished
IEC 61300-3-35 RL>=26dB
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A B
C
D
© 2014 Fluke Corporation. All rights reserved
• Here is your nice newly installed fiber optic connector
CROSS CONTAMINATION
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IEC 61300-3-35
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• Here is your nice newly installed fiber optic connector after it was
tested with the “typical” test cord
CROSS CONTAMINATION
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IEC 61300-3-35
• From the HOME screen, tap:
- PROJECT
- NEW TEST
- Test Type
AUTOMATED FIBER INSPECTION
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yp
- FiberInspector
- SAVE
- Press the HOME key
© 2014 Fluke Corporation. All rights reserved
• From the HOME screen, tap:
- Smart Remote
- FiberInspector
- USE SELECTED
AUTOMATED FIBER INSPECTION
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© 2014 Fluke Corporation. All rights reserved
• Using the FiberInspector camera
- Connect to your first TRC
- Tap TEST & ANALYZE
INSPECT AND CLEAN ALL TRCS
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• Gently place caps back on after inspecting and cleaning
© 2014 Fluke Corporation. All rights reserved
REVIEW #10
• What are the three test types the CertiFiber Pro can do?
• Is bi-directional testing required?
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• Selecting General, ST or FC as a connector type does what?
• Give one limitation of the Click fiber cleaning pens?
• How many fiber inspection limits are there in Versiv?
© 2014 Fluke Corporation. All rights reserved.
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Setting a duplex reference
(Dual fiber OLTS)
© 2014 Fluke Corporation. All rights reserved.
• From the HOME screen, tap:
- FiberInspector
- Smart Remote
- USE SELECTED
DUPLEX FIBER TESTING - REFERENCE
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© 2014 Fluke Corporation. All rights reserved
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• Press the TEST button
- Two fibers at the same time are tested
- Both 850 nm and 1300 nm covered
- Length is from round trip delay
DUPLEX FIBER TESTING - MEASUREMENT
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- Does not use OTDR technique for length
© 2014 Fluke Corporation. All rights reserved
• Tap SETTINGS
- Recorded with every result
- Can be recalled later on
- Swipe up to see more
DUPLEX FIBER TESTING – ANALYSIS
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© 2014 Fluke Corporation. All rights reserved
• Tap DONE
• Tap SAVE
• New to Version 2.3
DUPLEX FIBER TESTING – ANALYSIS
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New to Version 2.3
- Allows you to reverse IDs
• Tap SAVE to save the two fibers
© 2014 Fluke Corporation. All rights reserved
• Connected to a bad fiber
- Let’s retest
• Two options
DUPLEX FIBER TESTING – ANALYSIS
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- Fix the link now and tap TEST AGAIN
- Tap FIX LATER which saves the result
and allows you to continue testing
- We’ll tap FIX LATER
© 2014 Fluke Corporation. All rights reserved
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• Tap RESULTS
- ProjX allows you to track what has
been tested and which links failed
DUPLEX FIBER TESTING – ANALYSIS
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© 2014 Fluke Corporation. All rights reserved
• Tap failing result
- With our link fixed, we can TEST AGAIN
DUPLEX FIBER TESTING – ANALYSIS
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© 2014 Fluke Corporation. All rights reserved
• Tap failing result
- With our link fixed, we can TEST AGAIN
DUPLEX FIBER TESTING – ANALYSIS
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© 2014 Fluke Corporation. All rights reserved
REVIEW #11
• What is the maximum TRC check verification value for multimode?
• What is the maximum TRC check verification value for singlemode?
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• How does the CertiFiber Pro measure length?
• Name the two types of custom test limits you can create
• Why is it important to be able to measure length?
© 2014 Fluke Corporation. All rights reserved.
b
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Tier 2 Fiber Testing
(OTDR)
© 2014 Fluke Corporation. All rights reserved.
WHAT IS AN OTDR?
• Optical – measurements carried out using pulses of light.
• Time Domain – signal is plotted against time delay.
•Reflectometer - signal we’re looking at is caused by reflections
(and scattering) in the fiber.
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• The OTDR launches a very short pulse of light into a fiber and then
looks at the very low levels of light which come back out of the
same end of the fiber.
• This returned light comes from reflections where there is a change
of refractive index in the light path (called Fresnel reflections) and
from a scattering effect which takes place within the fiber calledRayleigh Scattering.
© 2014 Fluke Corporation. All rights reserved
WHAT IS AN OTDR?
• The OTDR produces a trace of the returning light level against the
time delay compared to when the pulse of light was launched.
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© 2014 Fluke Corporation. All rights reserved
WHAT IS AN OTDR?
• With suitable processing and interpretation, this trace can then be
used to provide information about every portion of the fiber being
measured
• EventMap™ interprets the trace for you
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© 2014 Fluke Corporation. All rights reserved
• Although the fiber is tested in the factory, it can be
damaged during delivery or storage on site
• It is standard practice to use an OTDR to ensure no
breaks in the cable – but requires “expertise” to review the traces
CAN BE USED TO TEST A REEL OF FIBER
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Mechanical splice*
*Could be a mechanical connector© 2014 Fluke Corporation. All rights reserved
REVIEW #12
• OTDR is short for?
• How are Fresnel reflections caused?
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• What is a reflective event?
• What is a non reflective event?
• What is a ghost and how is it caused?
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L h Fib C ti
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Launch Fiber Compensation
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• The launch cable allows the OptiFiber Pro trace to settle down after
the test pulse is sent into the fiber so
you can analyze the first connection
• OptiFiber Pro gives you four options
to eliminate the length and loss of the
LAUNCH AND TAIL FIBERS
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g
launch/tail fibers from your
measurement
L a u n c h F i b e r
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• From the Project screen, tap:
- Test Limit
- MORE
- Custom
- MANAGE
CUSTOM LIMITS
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- Create
© 2014 Fluke Corporation. All rights reserved
• From the NEW CUSTOM LIMIT screen, tap:
- Enter New Limit Name
- Enter FNET MM
- DONE
- Length
CUSTOM LIMITS
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- Enter 300 m
- DONE
© 2014 Fluke Corporation. All rights reserved
• From the NEW CUSTOM LIMIT screen, tap:
- Limits for 850 nm
- Max: 0.75
- Enter 0.5
- DONE
CUSTOM LIMITS
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- Max: 0.30
- Enter 0.2
- DONE
- Swipe up to Segment Attenuation……
- Max: N/A
- Enter 3
- DONE
- DONE
© 2014 Fluke Corporation. All rights reserved
• From the NEW CUSTOM LIMIT screen, tap:
- Limits for 1300 nm
- Max: 0.75
- Enter 0.5
- DONE
CUSTOM LIMITS
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- Max: 0.30
- Enter 0.2
- DONE
- Swipe up to Segment Attenuation……
- Max: N/A
- Enter 1
- DONE
- DONE
© 2014 Fluke Corporation. All rights reserved
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• From the NEW CUSTOM LIMIT screen, tap:
- SAVE
- *FNET MM* to select it
- Launch Compensation ON
- SAVE
CUSTOM LIMITS
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© 2014 Fluke Corporation. All rights reserved
REVIEW #13
• Name the four types of launch compensation
•What does pulse width affect?
• Increasing averaging does what?
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• Increasing averaging does what?
• What is the default loss threshold on the OptiFiber Pro?
• Reducing the loss threshold will also require what to be changed??
© 2014 Fluke Corporation. All rights reserved.
Tier 2 Link Testing
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Tier 2 Link Testing
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• For every OTDR measurement you make, OptiFiber Pro will assess
your port connection quality
• We want to see it in the green
OTDR PORT CONNECTION QUALITY
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• Anything less could affect your
OTDR measurement
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• The OTDR Port Connection Quality is recorded with every test
result and viewable in LinkWare
OTDR PORT CONNECTION QUALITY
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• It cannot be turned off
• It is critical to know that the launch was good
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• From the SET LAUNCH COMP screen tap:
- SAVE
LAUNCH + TAIL COMPENSATION
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• From the SET LAUNCH COMP screen tap:
- OK
LAUNCH + TAIL COMPENSATION
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© 2014 Fluke Corporation. All rights reserved
• From the TOOLS screen, press the HOME key
• We’re going to check our fibers first by
tapping:
- TEST
- Ignore this warning
OK
LAUNCH + TAIL COMPENSATION
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- OK
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REVIEW #14
• How do you ensure your launch fibers are good?
• Is this Port Connection Quality acceptable?
• What’s the standard for fiber inspection?
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p
• Why is it good to set a reflectance limit?
• When would you want to set a segment attenuation limit?
© 2014 Fluke Corporation. All rights reserved.