Fluke OMNIScanner 2, OMNIFiber User Manual

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OMNIScanner™2

™

OMNIFiber

OMNISCANNER2

OMNIFIBER

User Guide

ENGLISH

A Guide to using the OMNISCANNER to install, manage, and troubleshoot high performance cabling systems as well as multi- and single-mode fiber.

OMNISCANNER verifies installed links against all common cabling and network standards including Category 6/Class E and Gigabit Ethernet.

OMNIFIBER verifies installed links against TIA and ISO standards, as well as other fiber network application requirements.

PN 1752581 (English) (2950-4500-08E Rev. 01) March 2002, 3/02

LIMITED WARRANTY & LIMITATION OF LIABILITY

Each Fluke Networks product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins on the date of purchase. Parts, accessories, product repairs and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke Networks authorized reseller, and does not apply to disposable batteries, cable connector tabs, cable insulation-displacement connectors, or to any product which, in Fluke Networks’ opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation or handling. Fluke Networks warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non-defective media. Fluke Networks does not warrant that software will be error free or operate without interruption.

Fluke Networks authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Networks. Warranty support is available only if product is purchased through a Fluke Networks authorized sales outlet or Buyer has paid the applicable international price. Fluke Networks reserves the right to invoice Buyer for importation costs of repair/replacement parts when product purchased in one country is submitted for repair in another country.

Fluke Networks’ warranty obligation is limited, at Fluke Networks’ option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is returned to a Fluke Networks authorized service center within the warranty period.

To obtain warranty service, contact your nearest Fluke Networks authorized service center to obtain return authorization information, then send the product to that service center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). Fluke Networks assumes no risk for damage in transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke Networks determines that failure was caused by neglect, misuse, contamination, alteration, accident or abnormal condition of operation or handling, or normal wear and tear of mechanical components, Fluke Networks will provide an estimate of repair costs and obtain authorization before commencing the work. Following repair, the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges (FOB Shipping Point).

THIS WARRANTY IS BUYER’S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE NETWORKS SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY.

Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court or other decision-maker of competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.

Fluke Networks, Inc. Fluke Europe B.V. P.O. Box 777 P.O. Box 1186 Everett, WA 98206-0777 5602 BD Eindhoven U.S.A. The Netherlands

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OMNISCANNER User Guide

Contents

Chapter 1 - Introduction .......................................... 1 - 1

The Digital Solution for Fiber and Copper ...................................................... 1 - 1

The Graphical User Interface .......................................................................... 1 - 1

OMNIRemote ................................................................................................... 1 - 1

OMNIFiber ........................................................................................................ 1 - 2

Scanlink Tools Software ................................................................................... 1 - 2

OMNIScanner’s Display .................................................................................... 1 - 3

OMNIScanner’s Keypad.................................................................................... 1 - 4

Alphanumeric Keys ..................................................................................................... 1 - 5

Function Keys .............................................................................................................. 1 - 6

OMNIRemote’s LED Indicators......................................................................... 1 - 7

OMNIRemote Keys ........................................................................................... 1 - 7

When To Use OMNIRemote ............................................................................ 1 - 8

Displaying OMNIScanner and OMNIRemote Results ...................................... 1 - 8

OMNIFiber MM LED Indicators ...................................................................... 1 - 10

OMNIFiber SM LED Indicators ....................................................................... 1 - 10

Attaching the OMNIScanner Fiber Adapters ............................................... 1 - 11

Attaching the Connector Adapter ................................................................ 1 - 11

Editing with OMNIScanner ............................................................................ 1 - 12

Predefined Lists .......................................................................................................... 1 - 12

Editing Numeric Fields with the Spin Control ....................................................... 1 - 12

Editing Alphanumeric Fields ................................................................................... 1 - 13

Technical Support ........................................................................................... 1 - 14

Product Versions ............................................................................................ 1 - 14

Chapter 2 - Getting Started: Twisted Pair Networks 2 - 1

Charging OMNIScanner’s Battery .................................................................... 2 - 1

OMNIScanner’s Project Screen......................................................................... 2 - 1

Certification of Network Installations ............................................................ 2 - 2

Setting the Reference ..................................................................................... 2 - 3

Project Selection .............................................................................................. 2 - 4

Running an Autotest for Twisted Pair Cabling ............................................... 2 - 5

Saving Twisted Pair Autotest Results ............................................................. 2 - 6

Viewing Twisted Pair Autotest Results ........................................................... 2 - 7

Typical Test Configurations for Twisted Pair Cabling ................................... 2 - 11

Link ............................................................................................................................. 2 - 11

Link with Punch Down Block and Modular 8 Jack ............................................... 2 - 11

Full Channel with Modular 8 Jacks ......................................................................... 2 - 12

Coaxial “Autotests” ...................................................................................... 2 - 13

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The Project Screen ..................................................................................... 2 - 13

Running an Autotest for Coaxial Cabling ................................................. 2 - 13

Saving Coaxial Autotest Results ............................................................... 2 - 14

Viewing Coaxial Test Results ..................................................................... 2 - 15

Chapter 3 - Getting Started: Fiber Optic Networks 3 - 1

Charging OMNIScanner’s Battery .................................................................... 3 - 1

OMNIScanner’s Project Screen......................................................................... 3 - 1

Certification of Fiber Installations................................................................... 3 - 2

Setting the Reference for Fiber Optic Cabling ............................................... 3 - 3

Project Selection .............................................................................................. 3 - 4

Running an Autotest for Fiber Optic Cabling ................................................. 3 - 5

Preparing an Autotest ................................................................................ 3 - 5

2 JUMPER METHOD AUTOTEST ................................................................. 3 - 5

1 JUMPER METHOD AUTOTEST ................................................................. 3 - 6

3 JUMPER METHOD AUTOTEST ................................................................. 3 - 6

Loopback Autotest using OMNIFiber main ................................................ 3 - 7

Running a Fiber Autotest ................................................................................ 3 - 8

Fiber Autotest Results ..................................................................................... 3 - 9

Chapter 4 - Setup ............................................ 4 - 1

Configuring OMNIScanner ............................................................................... 4 - 1

Set Reference ................................................................................................... 4 - 2

Set Reference with the OMNIFiber Adapters ............................................ 4 - 2

Autotests.......................................................................................................... 4 - 3

Viewing Details for Copper and Fiber Autotests ....................................... 4 - 3

Cables ............................................................................................................... 4 - 5

Projects ............................................................................................................. 4 - 7

Configurations ............................................................................................... 4 - 10

Autotest Run Options .................................................................................... 4 - 11

Autotest Save Options................................................................................... 4 - 12

User Options .................................................................................................. 4 - 13

Adapter Usage............................................................................................... 4 - 14

Remote Info ................................................................................................... 4 - 14

Fiber Adapter Info ......................................................................................... 4 - 15

Format MMC .................................................................................................. 4 - 15

Regional Settings ........................................................................................... 4 - 15

Label Printer .................................................................................................. 4 - 16

Chapter 5 - Measurements .............................. 5 - 1

Performing Individual Measurements with OMNIScanner ............................ 5 - 1

Measuring Twisted Pair Cabling ................................................................. 5 - 1

Measuring Fiber Optic Cabling .................................................................... 5 - 2

Measuring Coaxial Cabling .......................................................................... 5 - 2

Selecting an individual Test ......................................................................... 5 - 3

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OMNISCANNER User Guide

General Information ........................................................................................ 5 - 3

Twisted Pair Measurements with OMNIScanner .................................. 5 - 5

Wiremap ...................................................................................................... 5 - 5

Length/Delay ............................................................................................... 5 - 5

NEXT ............................................................................................................ 5 - 6

Attenuation ................................................................................................. 5 - 7

Return Loss .................................................................................................. 5 - 8

ELFEXT ......................................................................................................... 5 - 9

ACR/Bandwidth .......................................................................................... 5 - 10

Resistance .................................................................................................. 5 - 11

Power Sum NEXT ...................................................................................... 5 - 11

Power Sum ELFEXT ................................................................................... 5 - 12

Power Sum ACR ......................................................................................... 5 - 13

Fiber Optic Measurements with OMNIFiber ........................................... 5 - 14

Length/Delay ............................................................................................. 5 - 14

Loss ............................................................................................................. 5 - 14

Power Meter ............................................................................................. 5 - 15

Coaxial Measurements with OMNIScanner .......................................... 5 - 17

Coax Tests .................................................................................................. 5 - 17

Cable Trace ................................................................................................ 5 - 18

Chapter 6 - Diagnostics .................................. 6 - 1

OMNIScanner’s Diagnostic Functions .............................................................. 6 - 1

Wiremap .......................................................................................................... 6 - 1

Wiremap Displays ........................................................................................ 6 - 2

TDNXT .............................................................................................................. 6 - 3

Using TDNXT to Diagnose a Link................................................................ 6 - 4

TDNXT Examples ......................................................................................... 6 - 5

TDRL ................................................................................................................. 6 - 6

Using TDRL to Diagnose a Link ................................................................... 6 - 8

TDRL Examples ............................................................................................ 6 - 8

Impulse Noise ................................................................................................. 6 - 10

Cable Trace ..................................................................................................... 6 - 11

Office Locator ................................................................................................ 6 - 11

Chapter 7 - Results .......................................... 7 - 1

Autotest Results .............................................................................................. 7 - 1

Viewing Autotest Results ................................................................................ 7 - 2

Results stored on a MultiMediaCard ............................................................... 7 - 5

Chapter 8 – Fiber Optic Reference Methods ........... 8 - 1

Establishing the Reference .............................................................................. 8 - 1

The Launch/Jumper Cable ............................................................................... 8 - 2

The Reference Methods ...................................................................8 - 2

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One Jumper Reference Method ......................................................8 - 3

Two Jumper Reference Method ......................................................8 - 4

Three Jumper Reference Method ....................................................8 - 5

Two Jumper Reference Method in Loopback Mode .......................8 - 6

Chapter 9 - Uploading and Printing ......................... 9 - 1

Scanlink Tools ................................................................................................... 9 - 1

Chapter 10 - Updating Scanner Software ..............10 - 1

Downloading Software from the WWW site ............................................... 10 - 1

Updating OMNIScanner and OMNIRemote Software ................................. 10 - 1

Chapter 11 - MultiMediaCard..................................11 - 1

Portable Data ................................................................................................ 11 - 1

MultiMediaCard Maintenance ...................................................................... 11 - 2

The MMC Structure ........................................................................................ 11 - 2

Chapter 12 - Universal Serial Bus Port ....................12 - 1

Installing the USB Driver................................................................................ 12 - 1

Uploading OMNIScanner2 Test Results to the PC ......................................... 12 - 3

Downloading Configurations to OMNIScanner2 .......................................... 12 - 4

Remote Controlling OMNIScanner2 .............................................................. 12 - 5

Appendix A - Technical Specifications ..................... A - 1

Physical Characteristics .................................................................................... A - 1

User Interface .................................................................................................. A - 1

Power ............................................................................................................... A - 2

Environmental ................................................................................................. A - 2

Measurement Port (Test Interface) ................................................................ A - 2

Serial Port .........................................................................................................A - 2

Universal Serial Bus .......................................................................................... A - 2

MultiMediaCard Interface ............................................................................... A - 3

Memory ............................................................................................................A - 3

OMNIScanner Autotest Functions ................................................................... A - 3

OMNIScanner Test Functions ...........................................................................A - 3

OMNIFiber Test Functions ................................................................................ A - 4

Transmission Performance Measurement Method ....................................... A - 4

Transmission Parameter Measurement Accuracy ......................................... A - 4

Wire Map.......................................................................................................... A - 5

NEXT ................................................................................................................. A - 5

Return Loss .......................................................................................................A - 5

Attenuation ..................................................................................................... A - 5

ELFEXT (Equal Level FEXT) .............................................................................. A - 6

ACR (Attenuation to Crosstalk Ratio) .............................................................A - 6

Bandwidth ........................................................................................................ A - 6

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OMNISCANNER User Guide

Length .............................................................................................................. A - 6

Resistance ......................................................................................................... A - 6

Power Sum NEXT, ACR and ELFEXT ................................................................ A - 6

Optical Measurements (OMNIFiber) ............................................................... A - 6

Length (OMNIFiber MM, multimode) ............................................................. A - 7

Length (OMNIFiber SM, single-mode) ............................................................. A - 7

Delay (OMNIFiber MM, multimode)................................................................ A - 7

Delay (OMNIFiber SM, single-mode) ............................................................... A - 7

High Voltage Input Protection......................................................................... A - 7

Appendix B - Batteries.............................................. B - 1

Battery Packs ................................................................................................... B - 1

Battery Charging.............................................................................................. B - 2

Battery Tips ...................................................................................................... B - 2

Appendix C - OMNIFiber PASS/FAIL Criteria ............ C - 1

Appendix D - Cable Pin-Outs ....................................D - 1

Serial Cable DB-9 Male to DB-9 Female Pin-outs ........................................... D - 1

Serial Cable DB-9 Male to DB-25 Female Pin-outs ......................................... D - 1

Cable Pin-Out Signals ....................................................................................... D - 2

OMNISCANNER User Guide

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OMNISCANNER User Guide

Chapter 1 - Introduction

The Digital Solution for Fiber and Copper

OMNISCANNER is the most advanced hand-held certification and diagnostic tool for the verification of copper links. The Category 7, 6, 5E (Enhanced), 5 and ISO Class F, E, D, and C tester has an extended frequency range of 300 MHz. OMNISCANNER provides full software compliance with TIA and ISO/IEC requirements for measurement reporting and analysis (including Length, Delay, ACR, NEXT, ELFEXT, Return Loss, Resistance, PSNEXT, PSACR, PSELFEXT and Attenuation). In addition, OMNISCANNER measures Length, Delay, Impedance, and Resistance on coaxial cabling.

OMNIFIBER MM (multimode) and OMNIFIBER SM (single-mode) expand the tester’s capabilities to certify installed fiber links against TIA and ISO standards. Fiber cabling can be verified at 850, 1300, 1310, and 1550 nm wavelengths.

The Graphical User Interface

OMNISCANNER’s graphical user interface consists of a backlit LCD display, quick access menus, arrow keys, and descriptive menu options that guide you through certifying or troubleshooting cabling systems.

OMNIREMOTE

For test and certification of twisted pair cabling, the OMNISCANNER requires the OMNIREMOTE unit at the opposite end of the cabling link under test. OMNISCANNER communicates with OMNIREMOTE to obtain status and perform measurements from both ends of the link.

OMNIREMOTE is equipped with a speaker to generate tones, and several colored LEDs to indicate overall test results and status.

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OMNIFIBER

OMNIFIBER transforms OMNISCANNER and OMNISCANNER2 into a fiber optic tool for testing and certification of multimode and single-mode fiber premise networks. OMNIFIBER consists of two test heads that attach directly onto OMNISCANNER and OMNIREMOTE to become a part of each unit. Using the 1-Button Autotest feature, OMNIFIBER measures loss and length over two fibers simultaneously. The measurements are compared against the selected LAN standard for instant PASS/FAIL analysis. OMNIFIBER measures loss at 850 and 1300 nm over multimode fiber and at 1310 and 1550 nm over single-mode fiber.

Up to 1000 Autotests can be saved to nonvolatile memory. Saved results can be easily uploaded to the PC with Scanlink

software.

ScanlinkTM Tools Software

PC-based software expands OMNISCANNER’s user interface and aids with the management of projects. Scanlink Tools consist of the OMNISCANNER

Configuration software, the Scanlink Upload software, and the OMNISCANNER Remote Control software. These programs allow you to

store, retrieve, manage, edit and print network cabling information. Scanlink Tools provide the ability to create professional reports, remote control OMNISCANNER, and define cable and project configurations that can be downloaded to OMNISCANNER.

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OMNISCANNER User Guide

OMNISCANNER’s Display

Scanner Display Function

1-2 or 12/36: The paired numbers in the display indicate wire

pairs. For example, 1-2 indicates the wire pair of pins 1 and 2. 12/36 indicates two wire pairs tested, the first pair of pins 1 and 2, and the second pair of pins 3 and 6.

Pop-up lists: Pop-up lists are available by pressing ENTER when

the cursor is located on user definable fields. A predefined selection list will appear, and the rest of the display will be inactive.

Spin Control: The spin control is available by pressing ENTER on

editable fields that allow for increasing or decreasing numeric values by depressing the é or ê keys.

Scrollbars: Use the é and ê keys on the keypad to move up

and down in a scrollable screen.

Graph: Use the ç or è to move the graph cursor on the

frequency axis. Use the é or ê to zoom in and out on graphs.

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ADAPTER CONNECTOR

FUNCTION KEYS

ON/OFF BACKLIGHT

AUTOTEST ESCAPE

ALPHANUMERIC ARROW KEYS KEYS

ENTER UPPER/LOWER CASE

HELP KEY SWITCH KEY

AC ADAPTER

USB PORT DB-9 SERIAL MMC CARD

(OMNISCANNER2)

CONNECTOR SOCKET

(OMNISCANNER2)

OMNISCANNER’s Keypad

ON/OFF

When turned on OMNISCANNER will display the project screen.

Backlight

Press the Backlight key to toggle the backlight between its two levels of brightness. Press and hold the Backlight key to display the CON- TRAST screen. Use the é and ê keys on the keypad to adjust the

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OMNISCANNER User Guide

display contrast. In addition to contrast adjustments, the screen displays hardware version, software version, serial number information, and the date and time when the unit was last Factory Calibrated.

AUTOTEST

Autotest

Press the Autotest key to run a custom or predefined Autotest.

ESC

Press the Escape key to cancel the current operation.

Arrow keys

Press the çèéê arrow keys to navigate within a list, menu, graph, or editable field.

ENTER

When in a selection field press the ENTER key to open the listbox and then select the highlighted item as the new default. When in an editable field press the ENTER key to start the edit process, and press ENTER again when finished with the editing process.

Alphanumeric Keys

Use the 0 through 9 keys to enter numeric and alphabetic characters in editable fields. Alphabetic and special characters are shown above each numbered key on the keypad. The 1 key allows entry of the following characters: - (hyphen), . (period), and , (comma)

The 0 key allows entry of an empty space.

The alphanumeric keys also allow direct selection of items in numbered lists.

A/a

Use this key to toggle between upper and lower case letters.

Use this key to quickly display a window listing the functionality of the function keys in the current display.

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Function Keys

The functions of the 4 keys vary depending on the current display. The assigned functions are:

Setup Measurements Diagnostics Results

New Edit Delete Save Options

Save Save w/Graphs Save to MMC Save w/Graphs to MMC

Copy Project to MMC Copy Results to MMC

Erase a letter Clear a field Copy Circuit ID List Circuit IDs

Detail Retest Graph Pair

Next Page Previous Page Select Set Default

Switch to 850nm Switch to 1300nm Switch to 1310nm Switch to 1550nm

Set Reference Continue Test

Switch to Continuous Wave Switch to Modulated (2KHz) Wave

Switch to OMNISCANNER Info Switch to OMNIREMOTE Info

Dial phone number End connection

Print label Select a template

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OMNISCANNER User Guide

OMNIREMOTE’s LED Indicators

LED Color Description

PASS Green Overall Autotest

Result is PASS

Status Green (flashing) OMNIREMOTE is

ready for testing

Green (consistent) OMNIREMOTE is active

FAIL Red Overall Autotest

Result is FAIL

Circuit Orange Hazard condition is Guard detected. LED will

be lit in 5 second intervals until the hazard condition disappears.

REMOVE CABLE FROM HAZARDOUS SOURCE!

Charge Green OMNIREMOTE is

inactive, the AC adapter is present, and the battery pack is being charged

Green (flashing) OMNIREMOTE battery

is fully charged

Red (flashing) OMNIREMOTE battery

is low

OMNIREMOTE Keys

ON/OFF

When turned on OMNIREMOTE will blink the LEDs.

λλ

λ (Lambda)

When OMNIFIBER is attached to OMNIREMOTE, the remote unit can be used as a light source. With the OMNIFIBER adapter attached, press the

λλ

key to activate the light source and provide continuous or modulated light at 850, 1300, 1310 or 1550 nm. The green LED of the appropriate

OMNISCANNER User Guide

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wavelength will blink rapidly when modulated light is transmitted. If the transmitted light is continuous, the green LED will not blink. (See OMNIFIBER’s LED indicators in this chapter for further information.)

When To Use OMNIREMOTE

Most measurements require the use of OMNIREMOTE at the far end of the cable. For other measurements, OMNIREMOTE can be connected, but its use is optional. OMNISCANNER detects the presence of the remote unit and automatically configures it for the measurement to be performed.

Twisted Pair Measurements requiring the use of OMNIREMOTE:

• Autotest • Return Loss

• Wiremap • ELFEXT and Power Sum ELFEXT

• NEXT and Power Sum NEXT • ACR and Power Sum ACR

• Attenuation

Twisted Pair Measurements not requiring the use of OMNIREMOTE:

• Length / Delay / Skew • Resistance

COAX Measurements do not require the use of OMNIREMOTE. Fiber Measurements require the use of OMNIREMOTE with an

OMNIFIBER Adapter.

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OMNISCANNER User Guide

Displaying OMNISCANNER and OMNIREMOTE Results

OMNISCANNER and OMNIREMOTE are used together to perform measurements, which allow the scanner to verify installed links or assist in the diagnosis of physical layer network problems. To accomplish these measurements, OMNISCANNER and OMNIREMOTE are connected at either end of a network-cabling link. The end at which the scanner is connected, is referred to as the ‘Scanner end’, and the end at which the remote unit is connected, is referred to as the ‘Remote end’.

OMNISCANNER displays test results for both ends of the link. Press or to toggle the display between Scanner and Remote test

results.

Note

Refer to the graphics in Chapter 2 - Getting Started: Typical Test Configurations for instructions on connecting OMNISCANNER and

OMNIREMOTE for basic link and full channel tests.

Indicates

OMNI-

SCANNER

test

results.

Indicates OMNI-

REMOTE

test results.

Toggles the display from Scanner to Remote end test results.

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OMNIFIBER MM LED Indicators

LED Color Description

850nm Green OMNIF

IBER

is transmitting

at 850 nm

850nm Green

(flashing)

OMNIF

IBER

is transmitting

modulated light at 850 nm

850nm Orange Part 1 of Two Way test

completed, switch fibers

1300/ Green OMNIF

IBER

is transmitting

1310nm at 1300/1310nm

1300/ Green

(flashing)

OMNIF

IBER

is transmitting

1310nm modulated light at

1300/1310 nm

1300/ Orange Part 1 of Two Way test 1310nm completed, switch fibers

OMNIFIBER SM LED Indicators

LED Color Description

1310nm Green OMNIF

IBER

is transmitting

at 1310 nm

1310nm Green

(flashing)

OMNIF

IBER

is transmitting modulated light at 1310 nm

1310nm Orange Part 1 of Two Way test

completed, switch fibers

1550nm Green OMNIF

IBER

is transmitting at 1550nm

1550nm Green

(flashing)

OMNIF

IBER

is transmitting modulated light at 1550 nm

1550nm Orange Part 1 of Two Way test

completed, switch fibers

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OMNISCANNER User Guide

Attaching the OMNISCANNER Fiber Adapters

Note

Use dust caps to protect the connectors from dirt. Keep the connectors covered when the Fiber Adapters are not in use. This helps to ensure that contaminants from handling fiber do not affect test measurements.

Note

Both OMNIFIBER adapters have 160 pin connector covers. Keep the 160 pin connectors covered when the Fiber Adapters are not in use.

To attach a fiber adapter to OMNISCANNER proceed as follows:

1. Remove the 160 pin connector cover from the OMNIFIBER adapter by gently pressing the black push button latches. The cover will be released.

2. Push the OMNIFIBER adapter onto OMNIScanner’s 160 pin connector until it snaps into position.

3. To remove OMNIFIBER, use the push button latches to release the secured adapter.

4. Protect OMNIFIBER’s 160 pin connector by snapping the cover back in place.

Attaching the Connector Adapter

OMNIFIBER has one ST-style connector port (TX) and one threaded optical receiver port (RX) which accepts different connector adapters.

Attach the included ST connector adapters to the OMNIFIBER RX receiver ports before connecting jumpers.

Note

Keep the connectors covered when the Fiber Adapters are not in use.

Several connector adapters are available (as optional accessories) for the OMNIFIBER optical receiver port (RX).

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Editing with OMNISCANNER

OMNISCANNER includes sophisticated easy-to-use editing methods to accommodate a variety of user-definable items. Different fields have different editing procedures. Please follow the described procedures to make editing with the OMNISCANNER effortless.

Note

All editable fields can be easily recognized by their dotted borders.

Predefined Lists

To quickly and easily select Projects, Autotests, Cables, etc. OMNISCANNER uses predefined lists.

1. Use the é or ê arrow keys to move the cursor to the field to be edited and press ENTER.

A pop-up list will be displayed while the main screen becomes inactive.

2. Use the é or ê arrow keys to move the cursor to the appropriate item or value and press ENTER to select it as the new default.

Editing Numeric Fields with the Spin Control

1. Use the é or ê arrow keys to move the cursor to the field to be edited. The entire field will be highlighted in black.

2. Press ENTER. Notice that the field is now highlighted in white and the main screen in the background turns gray to indicate that the edit mode has been launched.

3. Press the é or ê arrow keys on your keypad to scroll through the string of numbers.

4. Press ENTER or ESC to accept the value and terminate edit mode.

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OMNISCANNER User Guide

Editing Alphanumeric Fields

To start the editing procedure for fields that contain alphabetic and numeric characters use the alphanumeric keypad.

1. Use the é or ê arrow keys to move the cursor to the field to be edited. The entire field will be highlighted in black.

2. Press ENTER. Notice that the field is now highlighted in white and the main screen in the background turns gray to indicate that the edit mode has been launched. The first letter in the field is highlighted in black.

3. Press any numerical key on your keypad to display a small dropdown list containing letters to choose from. Example: Press 8 to choose t, u, v or the number 8.

Note

Alphabetic and special characters are printed above each numbered key on the keypad. For example, ABC is printed above the 2 key.

4. Use the é or ê arrow key to move to the appropriate character, or simply press 8 on your keypad repeatedly until the appropriate letter

or number appears in the highlighted field. Press the

A/a

key to toggle

between uppercase and lowercase letters.

5. Press the è to close the drop-down list and highlight the next letter to be edited. Notice that OMNISCANNER does not overwrite existing

characters. To delete single characters use the function key. To

clear an entire field use the function key.

6. Press ENTER to accept the field and exit the edit mode.

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Technical Support

If you have technical questions, you may contact Fluke Networks Technical Support by phone, fax, or e-mail.

Note

Before calling Technical Support, please have your Serial number, and the Hardware and Software Version numbers available. See Product Versions section below.

Visit the Fluke Networks website at www.flukenetworks.com. Send email to fluke-assist@flukenetworks.com.

To order accessories or get the location of the nearest Fluke Networks distributor or service center, call:

• USA: 1-888-99-FLUKE (1-888-993-5853)

• Canada: 1-800-363-5853

• Europe: +31-402-675-200

• Beijing: 86 (10) 6512-3435

• Japan: +81-3-3434-0181

• Singapore: +65-738-5655

• Anywhere in the world: +1-425-446-4519 For operating assistance in the USA, call 1-800-283-5853.

Product Versions

To display the software version #, the hardware version #, the serial #, and the factory calibration data for OMNISCANNER, press and hold the Backlight key.

The CONTRAST screen will be displayed, which contains information that you may need to provide when calling Technical Support.

To display software, hardware and serial number information for OMNIREMOTE, connect the units with the supplied Link Adapter and the

Channel -, Mod 8 -, or Set Reference Adapter and then press the

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OMNISCANNER User Guide

(Setup) function key. Select Remote Info to open the REMOTE INFO

screen, which contains the date the reference was last set, the hardware and software information, the serial number, the battery indicator, and the factory calibration data.

The serial number can also be found on the back of each unit.

To display information for OMNIFIBER, attach the OMNIFIBER adapters to OMNISCANNER and OMNIREMOTE, connect the units with the supplied fiber launch

cable and press the (Setup) function key. Select Fiber Info to open the FIBER INFO screen,

which contains the serial numbers, the date the adapters were last factory calibrated, and the current reference method.

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OMNISCANNER User Guide

Chapter 2 - Getting Started Twisted Pair Networks

Charging OMNISCANNER’s Battery

In order to operate the OMNISCANNER and OMNIREMOTE with battery power, the battery must first be charged. Until the charging cycle is complete, the units can run with the AC adapter plugged in. (See

Appendix B - Batteries for more information about the batteries.)

OMNISCANNER’s Project Screen

OMNISCANNER’s project screen is designed to allow you to perform all typical work flow operations. The project, the test specifications, and the cable types are all selectable from the OMNISCANNER Project screen.

Press the ON/OFF key to power the unit on and display the Project screen with its three user definable items: Project, Autotest, and Cable.

The Project name will be highlighted. Use the

ê to move the highlight to the Autotest or Cable field. Press ENTER when a field is

highlighted to change the current Project, Autotest, or Cable. OMNISCANNER will autosense the Adapter.

Battery and Memory status are graphically indicated by gauges with a display ranging from empty (left hand side) to full (right hand side).

Press (Setup) to select Autotests, configure Cables, and more.

Press (Measurements) to measure a cable’s performance, utiliz- ing a variety of tests.

Press (Diagnostics) to identify network cabling faults

Press (Results) to view and manage stored test results.

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Certification of Network Installations

OMNISCANNER is designed to efficiently certify cabling installations through its Autotest feature. Test results, test specifications, and cable types are organized into Projects. The Project, its test specifications and cable types are selectable from the OMNISCANNER Project screen.

OMNISCANNER contains a number of predefined projects, grouped by test standards, to allow easy and fast operation.

The typical order of operations performed when certifying a cable installation is as follows:

Preparation

Prior to initial certification, perform the following:

1. Run a self-test by setting the reference for OMNISCANNER and OMNIREMOTE periodically, e.g. weekly.

2. Select the appropriate Project, Autotest specification, and Cable type.

Certification

Perform the following for each installed cable to be tested:

3. Attach OMNISCANNER to one end of the link, which is typically at the patch panel in a wiring closet.

4. Attach OMNIREMOTE to the corresponding outlet at the other end of the cable link.

5. Run Autotest.

6. Save test results.

Completion

At the end of the day or shift, the test results are uploaded using

Scanlink Tools software. Scanlink Tools support the following:

• Upload test results

• Storage of test results to files (Scanlink proprietary format)

• Print test reports

• Export results in CSV format

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OMNISCANNER User Guide

• Setup Projects

• View Graphs

• Edit Autotest information The following sections provide detail on the certification process.

Setting the Reference

A reference must be set when OMNISCANNER and OMNIREMOTE are used as a set for the first time. After the initial reference setting, the process should be repeated periodically to ensure unit verification. OMNISCANNER stores reference data for up to 5 remote units by serial number.

1. To set the reference, connect OMNISCANNER and OMNIREMOTE using the PERMANENT LINK ADAPTER and CHANNEL ADAPTER supplied with the scanner (as shown).

2. Turn OMNISCANNER on.

3. Press (Setup).

4. Select Set Reference.

-/. abc def

ghi jkl mno

prs tuv wxy

A/a

AUTOTEST

ESC

ENTER

CAT 6

Channel

Adapter

CAT 6 Perminant Link Adapter

OMNISCANNER User Guide

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5. On finding OMNIREMOTE, the scanner reports: Acquiring Reference Data. A gauge will indicate the progress.

6. Once the reference values has been recorded, OMNISCANNER displays the REMOTE INFO screen.

7. Press ESC to return to OMNISCANNER’s SETUP screen.

Project Selection

A project name must be selected for test result management. Autotests and Cables were previously assigned to a specific project through the use of the OMNISCANNER Configuration utility. (See Chapter 9 -

Uploading and Printing for further information about OMNISCANNER Configuration.)

The Project feature is very useful for grouping test results and eases uploading and sorting of Autotests stored in the scanner.

1. Use the é or ê to highlight Project: and press ENTER.

2. Select the appropriate Project from the pop-up list and press ENTER.

3. Use the é or ê to highlight Autotest: and press ENTER.

4. Select the appropriate Autotest from the pop-up list and press ENTER.

5. Use the é or ê to highlight Cable: and press ENTER.

6. Select the cable type to be tested from the pop-up list and press ENTER.

OMNISCANNER auto-senses the adapter and the Adapter: field changes to reflect the adapter that is currently attached. If the adapter is changed, OMNISCANNER will automatically adjust the content in the fields Autotest: and Cable: to reflect the new setup.

Every Project has certain Autotests and cables

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OMNISCANNER User Guide

assigned already. These associated lists will appear in the pop-up lists for each item. If the Autotest or Cable you want to use is not in a pop-

up list, open (Setup) to select the appropriate item. (See Chap-

ter 4 - Setup: Autotest, Cable, or Project for further information.)

Running an Autotest for Twisted Pair Cabling

1. Connect OMNISCANNER to the near end of the twisted pair cable you are testing and connect OMNIREMOTE to the far end. (See the Typical

Test Configurations for Twisted Pair Cabling section in this chapter for more information.)

2. Press the

AUTO TEST

key. When testing

twisted pair cable, OMNISCANNER will immediately verify that OMNIREMOTE is attached. If OMNIREMOTE is not attached, OMNISCANNER will wait until it is attached before running the Autotest.

3. Press ESC at any time to cancel the Autotest.

4. The AUTOTEST screen is displayed while Autotest is running.

The Autotest and the Cable name are displayed at the top of the screen. A gauge indicates the test progress. Tests will be listed

with their individual (PASS) or (FAIL) results as soon as a test is completed.

Once all tests are performed, the overall test Result: is displayed as PASS or FAIL.

Note

The list of tests varies depending on the kind of Autotest that was performed.

An Autotest will PASS if all the selected tests met the specified criteria. An Autotest will FAIL if one or more of the selected tests

failed. If the measured result fails by an amount less than or equal to the

OMNISCANNER User Guide

2 - 6

accuracy of the OMNISCANNER measurement system, a (marginal FAIL) will be reported. If the measured result passes by an amount less than or equal to the accuracy of the measurement, a (marginal PASS) will be reported. Marginal results are very close to the PASS/FAIL

line and are within the accuracy of the measurement for that type of link. Accuracy varies depending upon several conditions including the type of link model and the measurement being performed. In most cases this uncertainty zone is much less than 1 dB.

Saving Twisted Pair Autotest Results

1. Press (Save) from the AUTOTEST screen to open the SAVE AUTOTEST screen, where the Autotests can be stored into

OMNISCANNER’s memory.

2. The Project: field contains the name of the project.

3. To assign a unique name to the Autotest, enter a Circuit ID into the Circuit ID: field.

Circuit IDs can be setup to automatically increment. (See Chapter 4 - Setup: Projects:

Editing a Circuit ID for further information.)

If an incrementing Circuit ID was created in the PROJECT Setup screen, the Circuit ID: field will already contain the next available Circuit ID that can be used as a default.

4. To change the name using OMNISCANNER’s edit feature, highlight the field, and press ENTER to initiate the editing mode. (See Chapter 1 - Introduction: Editing with OMNISCANNER for more information.)

5. To change the Name using the list function, press (List). The CIRCUIT ID screen opens and displays all Circuit IDs available for the project. Use the ç or è to quickly scroll through the pages. Use the é or ê to highlight a Circuit ID and press ENTER to select it as the name for the Autotest to be saved and return to the SAVE AUTOTEST screen.

6. Press (Autotest Save Options) to open the SAVE OPTIONS screen. Select the Destination for saved test results and select or

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OMNISCANNER User Guide

unselect the graphs to be saved. (See Chapter

4 - Setup: Autotest Save Options for more information.)

Press (Save) to save the settings and return to the SAVE AUTOTEST Screen

7. The SAVE AUTOTEST screen’s save function key indicates the selected Save Option.

Press (Save) to save the test results to OMNISCANNER’s internal memory.

Press (Save with Graphs) to save the test results with their graphs to OMNISCANNER’s internal memory.

Note

Saving graphs will reduce the number of Autotests that can be stored.

Press (Save to MMC) to save the test results to the MultiMediaCard. (OMNISCANNER2 only.)

Press (Save with Graphs to MMC) to save the test results with their graphs to the MultiMediaCard. (OMNISCANNER2 only.)

Note

Saving graphs will reduce the number of Autotests that can be stored.

8. Press ESC to return to the Autotest screen without saving the Autotest.

9. To run the next Autotest press the key.

Viewing Twisted Pair Autotest Results

This viewing option is only available immediately after the Autotest was performed.

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OMNISCANNER User Guide

To view stored test results at a later time, press the (Results) function key located in the Project screen. (See Chapter 7 - Results for

more information.)

Note

The list of tests varies depending on the kind of Autotest that was performed.

1. To view detailed results of all the tests that were performed during Autotest, highlight a specific test in the Autotest screen using the é or ê and press ENTER.

2. Use the ç or è to quickly browse through all other detailed test result screens and their results.

All Tests that can run during Autotest are displayed on the next page.

(See Chapter 5 - Measurements for detailed descriptions of each available test.)

Most Autotest result screens have a retest feature for diagnostic purposes.

Press (Retest) to run continuous tests for the same cable. The arrow located on the Retest button will be turning for the duration of the test.

Press (Retest) once more to stop the continuous measurement. OMNISCANNER will display the last measured data.

Note

Retest invalidates an Autotest. After using the retest feature, the Autotest must be repeated before results can be saved.

The NEXT, Attenuation, Return Loss, Power Sum NEXT, ELFEXT, ACR, Power Sum ELFEXT, and Power Sum ACR test result screens have a graph feature to display the graph associated with the test. To avoid misinterpretation, the limit line is shown in a gray color, while the actual measurement is represented in black.

Press (Graph) to display a graph for a pair or a pair combination.

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The Length results

screen has a (Detail) function key that allows you to view detailed test results for each pair.

Tests that require the use of OMNIREMOTE will have small icons in the upper right corner of the titlebar to indicate whether the information

is pertinent for OMNISCANNER or OMNIREMOTE.

To toggle between the two screens press

to open the screen that contains the

information for OMNISCANNER.

Press to display the information for OMNIREMOTE.

The RETURN LOSS and NEXT screens have

(Diagnostic) function keys to help you

with the interpretation of failed test results.

(See Chapter 6 - TDRL and TDNXT for detailed information.)

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OMNISCANNER User Guide

Typical Test Configurations for Twisted Pair Cabling

Link

The graphic shows the connection of OMNISCANNER to a Modular 8 Jack in the wiring closet, and OMNIREMOTE to a Modular 8 jack in the work area.

Use the supplied LINK ADAPTERS at both ends of the link to attach OMNISCANNER and OMNIREMOTE to the Modular 8 jacks.

During permanent link Autotests, the effects of the link adapters are removed from the measurements.

The permanent link method measures the link only, from jack to jack (including the Modular 8 plug that plugs into the Jack).

Link with Punch Down Block and Modular 8 Jack

The graphic shows the connection of OMNISCANNER to an IDC (110) block in the wiring closet, and OMNIREMOTE to a Modular 8 jack in the work area.

The Punch Down Block Adapter kits 110 A LINK ADAPTER and 110 B LINK ADAPTER are available (as optional accessories) to interface the OMNISCANNER and OMNIREMOTE with IDC (110) punchdown blocks.

Use the 110 A or B LINK ADAPTER to attach OMNISCANNER to the 110 Punch Down block. At the other end of the link, use the

CAT 6 PERMANENT LINK ADAPTER

CAT 6

PERMANENT

LINK

ADAPTER

Punch Down Block

110 A LINK ADAPTER

OMNISCANNER User Guide

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LINK ADAPTER to attach OMNIREMOTE to the Modular 8 jack.

Full Channel with Modular 8 Jacks

A Full Channel consists of all the link elements from the hub to the workstation.

For cables terminated with a modular 8 plug, use the supplied modular 8 CHANNEL ADAPTER and attach OMNISCANNER and OMNIREMOTE to the channel patch cords.

Note

Best results for Category 6 channel tests will be obtained when using OMNISCANNER software version 4.0 or higher, which utilizes AVC (Adaptive Vector CancellationTM).

For more information on the Permanent Link, the Basic Link, and the Channel, please visit www.cabletesting.com.

CAT 6 CHANNEL ADAPTER

USER CABLE

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OMNISCANNER User Guide

Coaxial “Autotests”

The Project Screen

Press the ON/OFF key to power the unit on and display the Project screen with its user definable items: Project and Cable.

Press (Setup) to select and configure Cables and Projects, edit User Options, and more.

Press (Measurements) to measure a cable’s performance, utilizing a variety of tests.

Press (Results) to view and manage stored test results.

Running an Autotest for Coaxial Cabling

1. Connect OMNISCANNER to the near end of the coaxial cable you are testing.

OMNISCANNER auto-senses the adapter. The Adapter: field changes to reflect the coax adapter that is now attached.

2. Use the é or ê to highlight Project: and press ENTER.

3. Select the appropriate Project from the pop-up list and press ENTER. Select a project name for test result management. Cables were previ-

ously assigned to a specific project through the use of the

OMNISCANNER Configuration utility. (See Chapter 9 - Uploading and Printing for further information about OMNISCANNER Configuration.)

The Project feature is very useful for grouping test results and eases uploading and sorting of Autotests stored in the scanner.

4. When a coax adapter is attached, the Cable: field displays the coaxial cable that is appropriate for the selected Project.

If the Cable you want to use is not in the Cable: pop-up list, open

(Setup) to select the appropriate cable.

(See Chapter 4 - Setup: Cables for further information.)

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5. Press the

AUTO TEST

key to start the test.

6. Press ESC at any time to cancel the Autotest.

7. The COAX TESTS screen is displayed when the Autotest is completed.

Saving Coaxial Autotest Results

1. Press (Save) from the AUTOTEST screen to open the SAVE AUTOTEST screen, where the Autotests can be stored into OMNISCANNER’s memory.

2. The Project: field contains the name of the project.

3. To change the name using OMNISCANNER’s edit feature, highlight the field, and press ENTER to initiate the editing mode. (See

Chapter 1 - Introduction: Editing with OMNISCANNER for more information.)

4. To assign a unique circuit id to the Autotest, enter a Circuit ID into the Circuit ID: field.

Circuit IDs can be setup to automatically increment. (See Chapter 4 - Setup: Projects:

Editing a Circuit ID for further information.)

If an incrementing Circuit ID was created in the PROJECT Setup screen, the Circuit ID: field will already contain the next available Circuit ID that can be used as a default.

5. To change the circuit ID using the list function, press (List). The CIRCUIT ID screen opens and displays all Circuit IDs available for the project. Use the ç or è to quickly scroll through the pages. Use the é or ê to highlight a Circuit ID and press ENTER to select it as the name for the Autotest to be saved and return to the SAVE AUTOTEST screen.

6. Press (Autotest Save Options) to open the SAVE OPTIONS

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OMNISCANNER User Guide

screen. (See Chapter 4 - Setup: Autotest Save Options for further

information.)

Press (Save) to save the settings and return to the SAVE AUTOTEST Screen

7. Press ESC to return to the COAX TESTS screen without saving the Autotest.

8. Press (Retest) to run continuous tests for the same coaxial cable. The arrow located on the Retest button will be turning for the duration of the test.

9. Press (Retest) once more to stop the continuous measurement.

Note

Retest invalidates a coaxial Autotest. After using the retest feature, the coaxial test must be repeated before results can be saved.

Viewing Coaxial Test Results

To view stored test result, press the (Results) function key located in the Project screen. (See Chapter 7 - Results for more infor-

mation.)

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OMNISCANNER User Guide

Chapter 3 - Getting Started Fiber Optic Networks

Charging OMNISCANNER’s Battery

In order to operate the OMNISCANNER and OMNIREMOTE with battery power, the battery must first be charged. Until the charging cycle is complete, the units can run with the AC adapter plugged in. (See

Appendix B - Batteries for more information about the batteries.)

OMNISCANNER’s Project Screen

The Project screen is designed to allow you to perform all typical work flow operations. The Project, the test specifications, and the cable types are all selectable from the Project screen.

Press the ON/OFF key to power the unit on and display the project screen with its three user definable items: Project, Autotest, and Cable.

The Project name will be highlighted. Use the ê to move the highlight to the Autotest currently selected. Use the ê to highlight the currently selected Cable type. OMNISCANNER will auto-sense the Adapter.

Battery and Memory status are graphically indicated by gauges with a display ranging from empty (left hand side) to full (right hand side).

Press (Setup) to select Autotests, configure Cables and Projects, view OMNIFIBER information, edit User Options, and more.

Press (Measurements) to measure a cable’s performance, utiliz- ing a variety of tests.

Press (Results) to view and manage stored test results.

OMNISCANNER User Guide

3 - 2

Certification of Fiber Installations

OMNISCANNER and OMNIFIBER are designed to efficiently certify fiber optic cabling installations through the Autotest feature. Test results, test specifications, and cable types are organized into Projects. The Project, its test specifications and cable types are selectable from the OMNISCANNER Project screen.

OMNISCANNER contains a number a predefined projects, grouped by test standards, to allow easy and fast operation.

The typical order of operations performed when certifying a cable installation is as follows:

Preparation

Prior to initial certification, perform the following:

1. Attach an OMNIFIBER to OMNISCANNER. This will be referred to as the OMNIFIBER MAIN.

2. Attach an OMNIFIBER to OMNIREMOTE. This will be referred to as the OMNIFIBER REMOTE.

3. Establish a reference power by setting the reference.

4. Select the appropriate Project, Autotest specification, and Cable type.

Certification

Perform the following for each installed fiber to be tested:

5. Attach OMNIFIBER MAIN to one end of the link, which is typically at the patch panel in a wiring closet.

6. Attach OMNIFIBER REMOTE to the corresponding patch panel or outlet at the other end of the cable link.

7. Run Autotest.

8. Save test results.

Completion

At the end of the day or shift, the test results are uploaded using Scanlink Tools software.

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OMNISCANNER User Guide

Scanlink Tools support the following:

• Upload test results

• Storage of test results to files (Scanlink proprietary format)

• Print test reports

• Export results in CSV format

• Setup Projects

• Edit Autotest Information

Setting the Reference for Fiber Optic Cabling

Note

To ensure consistent accurate measurements, the reference value must be set each time the connector adapter or the test configuration is changed. Since the reference value expires each day at midnight, a reference must be established least once each calendar day that the OMNIFIBER is used.

1. Attach the connector adapters to each of the OMNIFIBER RX ports.

2. To set the reference value, connect the OMNIFIBER MAIN and OMNIFIBER REMOTE using launch cables (jumpers) and couplers. See

Chapter 8 - Fiber Optic Reference Methods for further information.

3. Press (Setup) and then select Set Reference.

4. The CONNECT JUMPERS screen will display how the jumpers need to be connected so that the reference value can be recorded.

5. Connect the jumpers as shown and press (Continue) to collect the reference data

while the SET REFERENCE screen is displayed. OMNISCANNER will store a separate reference value for each wavelength.

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OMNISCANNER will store reference data for up to 5 OMNIFIBER pairs.

Note

Once the reference value has been set, ensure that both launch cables remain attached to the fiber adapters’ TX (transmit) ports so that the connections are not disturbed.

6. Once the reference value has been set, OMNISCANNER will display the FIBER INFO screen.

7. Press ESC to return to the SETUP screen.

Project Selection

Uploading and Printing for further information about OMNISCANNER Configuration.)

The Project feature is very useful for grouping test results and eases uploading and sorting of Autotests stored in the scanner.

1. Use the é or ê to highlight Project: and press ENTER.

2. Select the appropriate Project from the pop- up list and press ENTER.

3. Use the é or ê to highlight Autotest: and press ENTER.

Note

Different Autotests have different reference methods already assigned to them.

4. Select the appropriate Autotest from the pop-up list and press ENTER.

5. Use the é or ê to highlight Cable: and press ENTER.

6. Select the cable type to be tested from the pop-up list and press ENTER.

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OMNISCANNER User Guide

The Adapter: field will automatically change to reflect that OMNIFIBER is currently attached.

OMNISCANNER auto-senses the adapter. If the adapter is changed, OMNISCANNER will auto- matically adjust the content in the fields Autotest: and Cable: to reflect the new setup.

Every Project has certain Autotests and cables assigned already. These associated lists will appear in the pop-up lists for each item. If the Autotest or Cable you

want to use is not in a pop-up list, open (Setup) to select the appropriate item. (See Chapter 4 - Setup: Autotest, Cable, or Project

for further information.)

Running an Autotest for Fiber Optic Cabling

Preparing an Autotest

Connect OMNIFIBER MAIN to the near end of the RX/TX fiber pair you are testing and connect OMNIFIBER REMOTE to the far end. Depending on the method that was used to obtain the reference, connect your fibers as follows:

2 JUMPER METHOD AUTOTEST

To run an Autotest when the 2-Jumper Method was used to set the Reference proceed as follows:

1. Do not disconnect the launch cables from the OMNIFIBER.

2. Remove the connector sleeves that connect the two launch cables.

3. Connect the OMNIFIBER MAIN to one end of the duplex link under test,

and the OMNIFIBER REMOTE to the opposite end.

2 m Launch Cable

Patch Panel

Wall Plate

Cable under Test

OMNISCANNER User Guide

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4. Press .

1 JUMPER METHOD AUTOTEST

To run an Autotest when the 1-Jumper Method was used to set the Reference proceed as follows:

1. Do not disconnect the black connectors which are attached to the TX port of the OMNIFIBER.

2. Disconnect the black connectors that are attached to the RX ports of the OMNIFIBER.

3. Connect the white connectors to the RX ports on the OMNIFIBER.

4. Connect the OMNIFIBER MAIN to one end of the duplex link under test and the OMNIFIBER REMOTE to the opposite end.

5. Press .

3 JUMPER METHOD AUTOTEST

To run an Autotest when the 3-Jumper Method was used to set the Reference proceed as follows:

1. Do not disconnect the launch cables that are attached to the OMNIFIBER.

2 m Launch Cable

Patch Panel

Wall Plate

Cable under Test

2 m Launch Cable

Patch Panel

Wall Plate

Cable under Test

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OMNISCANNER User Guide

2. Remove the middle launch cable and the connector sleeves that were

attached to the middle launch cable.

3. Connect the OMNIFIBER MAIN to one end of the duplex link under test

and the OMNIFIBER REMOTE to the opposite end.

4. Press .

Loopback Autotest using OMNIFIBER MAIN

This configuration is used to test single fibers, reels and short cables when both ends of the fiber under test are accessible from the same location.

Note

The loopback Autotest assumes that the 2-Jumper Method was used to make the reference measurement.

To run a Loopback Autotest proceed as follows:

1. Do not disconnect the

black launch cable, which is attached to the TX port of the OMNIFIBER (it is circled in the graphic).

2. Do not disconnect the

coupler from the black launch cable (it is circled in the graphic).

3. Disconnect the white launch cable from the RX port of the

OMNIFIBER and the connector sleeve. Leave the two white connectors dangling.

4. Attach the cable to be tested to the RX port on the OMNIFIBER and

the connector sleeve.

5. Press .

2 m Launch Cable

Fixed Connection Fixed Connection

Cable under Test

OMNISCANNER User Guide

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2 m Launch Cable

Cable under Test

Running a Fiber Autotest

Some Autotests do not have a fixed loss limit. The Optical Link Budget (OLB) is calculated based on the wavelength, the length of the cable, and the number of connectors and splices.

OMNISCANNER will automatically display the CONNECTIONS screen if you are running an equation based Autotest (TIA 568B, ISO 11801, or 1000 Base F).

1. With the Connections: field highlighted, press ENTER. Use the é or ê arrow key to adjust the number of connections in your link. To determine the total number of connections, simply count all of the connections (connector pairs) on one fiber. OMNISCANNER will assume that both fibers of a duplex link have the same number of connections.

2. To change the number of Splices, use the ê to highlight the field and press ENTER. Use the é or ê arrow key to adjust the number of splices in your link. To determine the total number of splices, simply count all of the splices on one fiber. OMNISCANNER will assume that both fibers of a duplex link have the same amount of splices.

3. After editing the fields, press to run the Autotest. OMNISCANNER starts the Autotest after the number of connections and

splices has been entered.

Note

If you are running a Two Way test, you will be prompted to swap the fibers. (See Chapter 4 Setup: Fiber Test Options for further information.)

4. Swap the Launch Cable’s connectors as indicated in the graphic. Do not disconnect the Launch Cables from the OMNIFIBER!

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OMNISCANNER User Guide

5. Press to complete the Autotest.

Fiber Autotest Results

Once the Autotest is completed the Autotest screen will be displayed. The arrows at the top of the screen indicate the

direction of the light. ▼ points to the result measured from OMNIREMOTE

to OMNISCANNER. ▲ points out the result measured from

OMNISCANNER to OMNIREMOTE. The overall test result for each fiber is located

right below the arrows, (PASS) or (FAIL).

The name of the Autotest is displayed at the top of the screen followed by the name of the fiber.

, , and indicate the method that was used to set the reference,

1 Jumper, 2 Jumpers, or 3 Jumpers.

When a bidirectional test was performed an icon for OMNISCANNER or

OMNIREMOTE will appear next to the fiber‘s name.

Press or to view results for the fibers with light transmission in the opposite direction. The arrows flip vertically to indicate that there are two results for each fiber, one from TX to RX and one from RX to TX.

Note

Values measured with OMNIFIBER will be compared against the preprogrammed PASS/FAIL limits. OMNISCANNER will report independent PASS/FAIL indication for both fibers.

The Autotest Results screen displays the (Length) and the loss. Further, the margin is displayed. It is the worst case margin for all wavelengths on each fiber in both directions. A positive margin indicates that the measured loss was less than the PASS/FAIL value, a negative margin indicates a fail and shows how much the measurement exceeded the maximum allowable PASS/FAIL amount.

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The number of Connections and Splices is displayed at the bottom of the screen (if applicable).

To store the Autotest Result for the fiber listed on the right side, press

the (Save) function key located on the right side. To store the Autotest Result for the fiber listed on the left side, press

the (Save) function key located on the left side.

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OMNISCANNER User Guide

Chapter 4 - Setup

Configuring OMNISCANNER

OMNISCANNER’s easy-to-use setup feature allows you to define, edit and preset many items. They are conveniently organized and can be easily accessed by pressing the assigned number on your alphanumeric keypad, or by highlighting the item and then pressing ENTER.

From the Project screen press the (Setup) function key to open the SETUP screen.

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4 - 2

Set Reference

Connect OMNISCANNER and OMNIREMOTE through their test connector ports using the Link Adapter and the Channel Adapter. Select Set Reference to display the SET REFERENCE screen. OMNISCANNER will immediately start to communicate with OMNIREMOTE.

While the reference data is being established, a gauge indicates the progress.

OMNISCANNER notifies you when the process has been completed. The REMOTE INFO screen will be displayed.

Note

Set Reference is needed to periodically verify and establish the signal reference for attenuation.

Press ESC to return to the SETUP screen.

Set Reference with the OMNIFIBER Adapters

Note

The fiber reference expires each day at midnight. It must be set each calendar day that OMNIFIBER adapters are used. The reference value should also be set every time the test configuration changes.

A reference value must be established before a loss measurement can be calculated.

With the OMNIFIBER adapters attached to OMNISCANNER and OMNIREMOTE, and the launch cable(s) (jumper(s)) in place, select Set Reference to display the CONNECT JUMPERS screen.

Connect the jumpers as displayed and press

to continue.

The SET REFERENCE screen will be displayed while the reference data is being established.

OMNISCANNER notifies you when the process has been completed and the FIBER INFO screen will be displayed.

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OMNISCANNER User Guide

Press ESC to return to the SETUP screen.

Autotests

Select Autotests to display the AUTOTESTS screen. It contains a list of standard Autotest specifications supported by OMNISCANNER. Standards are grouped by TIA, ISO, VENDOR, OMNI, IEEE, ATM, and AS/NZ.

If there are Autotest specifications in a folder, it will appear full , otherwise it will be empty .

Highlight a folder containing items and press ENTER to display the list of Autotests contained in that folder.

Use the é or ê arrow key to highlight a specific Autotest.

Copper tests are marked with a twisted pair icon.

Fiber optic tests are marked with a fiber icon.

Press (Set Default) to select it as the Autotest to run.

Press (Detail) to review the Autotest’s limits.

Viewing Details for Copper and Fiber Autotests

For twisted pair cabling the Autotest Detail screen consists of four pages.

Use the and function keys to browse through the pages.

The screen titles show the standard being used to set the limits (e.g. Cat 6 Link).

The first page displays the Configuration of the Autotest (Basic Link, Channel, or Permanent Link).

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Wiremap, Length, Delay and Skew limits are also displayed. The Wiremap numbers show the pairs that are being tested.

The second page shows limits for Resistance, NEXT, Attenuation, and Return Loss.

The third page lists limits for ELFEXT, ACR, and Power Sum NEXT measurements.

The fourth page shows limits for Power Sum ELFEXT and Power Sum ACR. This screen also informs you whether or not OMNIREMOTE is required to perform the selected Autotest.

Test that are performed during an Autotest are clearly marked . Tests that are not required

when performing an Autotest have no icon. Disabled tests may or may not show limits in the

description field. An precedes the test name for tests being performed during the Autotest, but the results are not used to determine PASS or FAIL.

Defined test limits will be displayed right below the test name. If a test has no limit, the limit description field will be empty.

For fiber optic cabling the View Autotest Detail screen shows the standard being used in the titlebar.

The test that are performed during an Autotest are clearly marked .

If an precedes the test name, the test will be performed for information purpose only; the results are not used to determine PASS or FAIL.

The required reference method Jumper, Jumpers, or Jumpers is displayed in the View

Autotest Detail screen together with the test limits. Use the function key to view the

limits for 50 mm fibers. When running an

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OMNISCANNER User Guide

Autotest, OMNISCANNER will choose the appropriate Autotest limits based on the selected fiber.

Use the function key to view the limits for single-mode fibers.

When viewing limits for equation-based Autotests like TIA 568B, ISO 11801, and 100Base-F, the Loss per km (kilometer) will be displayed.

For all other tests the Loss for 850nm, 1300nm, 1310nm, and/or 1550nm is displayed.

Press ESC to return to the SETUP screen.

Cables

Select Cables to display the CABLES screen. It contains a list of cable manufacturers.

If there are cables in a folder, the manufacturer folder will appear full, otherwise it will be

empty. Highlight a cable manufacturer that is marked by

a folder containing items and press ENTER to display the list of cables in that manufacturer’s folder.

Use the é or ê arrow key to highlight the desired cable.

Copper cables are marked with a twisted pair icon.

Multimode fiber optic cables are marked with a fiber icon.

Single-mode fiber optic cables are marked with a

fiber icon.

Coaxial cables are marked with the COAX icon.

Press (Set Default) to select the cable to be tested.

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Selecting the correct cable type will ensure accurate length measurements. If you cannot find or do not know the name of your cable manufacturer, simply select a cable from the Generic folder, or create a new cable.

Press (Delete) to permanently remove a custom cable. Note:

Default cables cannot be removed.

With a twisted pair or a coaxial cable highlighted, press (Edit) to edit an existing custom cable. Cable Name, NVP, or Impedance can be changed.

Note

Default cables cannot be edited.

With a twisted pair or a coaxial cable highlighted, press (New) to create a new cable based on the NVP and Impedance values of the highlighted cable. Name, NVP, and Impedance are definable.

Note

A new or edited cable will be saved in the Custom Cables folder.

For an accurate Length test, the NVP (Nominal Velocity of Propagation) must be set correctly. The value is usually specified by the cable vendor, and OMNISCANNER has a large library of cables with the manufacturer’s specified NVP.

To determine the NVP of a cable with a known length, press (Measure) to capture the

length of the cable using the displayed NVP. Use the ê to highlight the NVP: field and press ENTER. Use the é or ê arrow key to increase or decrease the value by 1% (percent) and adjust the NVP until the known length is displayed. The Length: changes accordingly.

Note

The known cable must have a length of at least 50 feet or 15 meters.

To change the Impedance; use the ê to highlight the field and press ENTER. Use the é or ê arrow key to select the appropriate Impedance in

ΩΩ

Ω

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OMNISCANNER User Guide

(Ohms) from the predefined list. To setup whether or not the cable is shielded, use the ê to highlight

Shield: and press ENTER. Use the é or ê arrow key to make the appropriate selection. If ‘Yes’ is selected, the wiring for the shield will be measured during the Autotest and used to determine if the Wiremap will PASS or FAIL.

With a or fiber optic cable highlighted,

press (Edit) to edit an existing custom

cable, or press (New) to create a new fiber based on the GRI values of the highlighted cable. Cable Name and GRI @ 1300 (multimode) or 1310 (single-mode) can be viewed and changed.

Note

Default fibers cannot be edited.

A fiber cable’s Graded Refractive Index (GRI) differs depending on the supplier. To receive accurate length results, OMNISCANNER allows you to define the GRI values for both wavelengths.

To change the fiber’s mode, use the é or ê arrow key to highlight the mode. Press Enter to select Multimode 62.2 mm, Multimode 50 mm or Single-mode.

Press (Save) to save the edited cable into the Custom Cable folder.

Press ESC to return to the CABLES screen.

Projects

Select Projects to display the PROJECTS screen. It contains a list of all projects that are currently stored in OMNISCANNER. Predefined default projects are: TIA, ISO/IEC, VENDOR, OMNI, IEEE, ATM, AS/ NZ, ANSI. OMNISCANNER’s project feature allows you to organize test specifications, cables types, and test results into Projects.

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If there are tests stored in a project the folder will appear full , otherwise it will be empty .

Use the é or ê arrow key to highlight a specific Project.

Press (Set Default) to select it as the Project to be used and to return to the SETUP screen.

Press (Delete) to permanently remove a project. Note: Default Projects cannot be deleted.

Only projects without stored Autotests can be deleted.

Press (Edit) to edit an existing project and its Circuit ID.

The project name will appear in the Name: field. The first and last Circuit ID fields contain a default circuit ID. (See Editing a Circuit ID for further

information.)

When the first Circuit ID field is completed, press

(Copy) to copy the First Circuit ID into the Last Circuit ID field. Quickly edit the Last Circuit ID field.

Press (List) to display the Circuit ID screen. It contains a scrollable list of all Circuit IDs created for the project. Highlight a circuit ID and press

(Print label) to quickly print a label.

(See Label Printer in this Chapter for further information.)

Press (Select a template) to select a Circuit ID from a Circuit Identification template. Available TIA 606A compliant templates are: Class 1, Class 2, Backbone Link ID, Class 3, and Class 4. Use the é or ê

arrow key to highlight a template and press to copy a circuit ID into the First Circuit ID and Last Circuit ID fields. To further edit the fields see the following section: Editing a Circuit ID.

Press (New) to create a new project.

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The Name: field is initially empty. Press ENTER to edit the name. The first and last Circuit ID fields contain the default Circuit ID from the

Project that was highlighted when the (New) key was pressed.

Note

New and edited project names are placed at the bottom of the list in the PROJECTS screen. OMNISCANNER can store up to 16 projects.

Editing a Circuit ID

To edit or create a Circuit ID, highlight an item in the PROJECTS screen

and press (New) or (Edit). Use the ê to highlight the First Circuit ID: field and press ENTER. The Circuit ID consists of 16 characters, which allows the sophisticated

construction of Circuit IDs. Each character can be incremented. The example shows how to quickly create an incremental Circuit ID. Enter MT-F01 (MyTest - Floor 01) -PP01 (- Patch Panel 01) -P01 (-

Position 01) in the First Circuit ID: field. Press ENTER to terminate the edit mode. Use the ê to highlight the Last Circuit ID: field and press ENTER. Enter MT-F12 (MyTest - Floor 12) -PP02 (- Patch Panel 02)

-P48 (- Position 48) in the Last Circuit ID: field. Press ENTER to terminate the edit mode.

The Circuit IDs will increment from right to left. The positions will change first from 01 to 48. Next the Patch Panels will increase from 01 to 02. Last the floors will increase from 01 to 12.

Press (List) to review the continuous list of Circuit IDs that was just created.

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MT-F01-PP01-P01 (1st Circuit ID to be used)

MT-F01-PP01-P02 (2nd Circuit ID to be used) MT-F01-PP01-P03 (3rd Circuit ID to be used)

MT-F01-PP01-P48 (48th Circuit ID to be used) MT-F01-PP02-P01 (49th Circuit ID to be used)

MT-F01-PP02-P48 (96th Circuit ID to be used) MT-F02-PP01-P01 (97th Circuit ID to be used) MT-F02-PP01-P02 (98th Circuit ID to be used)

... ... ...

MT-F12-PP02-P48 (last Circuit ID to be used)

Press (Save) to save the Circuit ID and return to the PROJECTS screen.

Note

To quickly edit the Last Circuit ID, press (Copy) once you have completed the First Circuit ID. This function will copy the First Circuit ID into the Last Circuit ID field. Now edit the Last Circuit ID field.

Press ESC to return to the SETUP screen.

Configurations

Select Configurations to display the CONFIGURATIONS screen. It contains a list of all configurations which are currently stored on the MultiMediaCard that can be read by OMNISCANNER2. (See Chapter 11 - MultiMediaCard for more information about the MMC).

The predefined Default Configuration is always present and can be used to reset OMNISCANNER to the factory default. It contains the following projects: TIA, ISO/IEC, VENDOR, OMNI, IEEE, ATM, AS/NZ, ANSI.

Use the é or ê arrow key to highlight a specific Configuration.

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OMNISCANNER User Guide

Press (Set Default) to select it as the Configuration to be used and to return to the SETUP screen.

While the selected Configuration is being loaded onto OMNISCANNER2, a gauge indicates the progress. Do not remove the MultiMediaCard from OMNISCANNER2 during the data transfer.

Autotest Run Options

Select Autotest Run Options to display the RUN OPTIONS screen. With the presented options you are able to further customize the way OMNISCANNER will perform an Autotest.

Press if you want OMNISCANNER to abort the Autotest if a FAIL occurs. The Abort on Fail

box will be checked . Use the ê to highlight the next checkbox.

Press if you want OMNISCANNER to automatically move to the failed test result. The

Jump to Fail box will be checked . Use the ê to advance to the Report: field and press ENTER. Select

Margin if you want OMNISCANNER to report the result, measured in dB, for the worst margin. Select Worst dB if you want the worst overall dB value to be reported, as in OMNISCANNER software versions prior to v4.0. Press ENTER to set the default.

Note

Attenuation results in dB will always be reported for the worst value, regardless of what is selected in the Report: listbox.

Use the ê to highlight the Fiber Test Options checkbox. You will be able to define the way fiber optic Autotests are performed.

Press if you want OMNIFIBER to test the fiber link in both directions. The Test in Both Directions box will be checked .

Press (Save) to save your changes and return to the SETUP screen.

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Press ESC to discard all changes and return to the SETUP screen.

Autotest Save Options

Select Autotest Save Options to display the SAVE OPTIONS screen. This screen contains several options that allow you to customize the way OMNISCANNER will save Autotests.

Press ENTER to change the Destination: from MMC (MultiMediaCardTM) to Internal. Use the éê keys to highlight the desired destination and press ENTER to select it as the default destination.

Select MMC if you want to collect test results on the MultiMediaCard, or select MMC (Auto Save) if you want the results to be saved on the MultiMediaCard automatically after the test has been completed. (See Chapter 11 - MultiMedia-

Card for more information about MMC.)

Select Internal if you want to save the results to OMNISCANNER’s internal memory, or select Inter- nal (Auto Save) if you want the results stored automatically after a test has been completed.

In either case, results can be transferred to the ScanlinkTM Tools software program. (See Chapter 9 - Uploading and Printing for more

information.)

In the Save Graph Options section you will be able to define which of the graphs will be saved.

Note

This options is not available when performing coaxial Autotests.

If a checkbox is checked , OMNISCANNER will store an Autotest with the graph information for that particular test.

Note

Saving graphs reduces the number of Autotest that can be stored.

Depending on the performed Autotest, NEXT/PSNEXT, ELFEXT/PSELFEXT, Return Loss, and Attenuation graphs can be saved.

Use the éê to highlight the Save Graph Option checkboxes.

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OMNISCANNER User Guide

Press to select the graph to be saved.

Press (Save) to save your changes and return to the SETUP screen.

Press ESC to discard the changes and return to the SETUP screen.

User Options

Select User Options to display the USER OPTIONS screen. This screen contains several user definable preferences.

Press ENTER to turn the Auto Shutoff on or off. Select YES if you want OMNISCANNER to automatically shut off after 10 minutes when operated with battery power. Select NO if you don’t want to use the function. Press ENTER to set the default.

Use the è to advance to the Volume: field and press ENTER. OMNISCANNER has a 3 setting volume control: Select High if you want to use the default volume, select Low to turn the volume down, and select OFF to turn the sound off. Use the éê keys to highlight the desired volume and press ENTER to select it as the default volume.

To edit the Date (Month/Day/Year) use the è key to highlight the portions you want to change. Press ENTER to edit the highlighted segment. Use the éê keys to change the displayed values in increments of 1. Press ENTER when done.

To edit the Time use the è key to highlight the portions you want to change. Press ENTER to edit the highlighted segment. Use the éê keys to change the displayed values in increments of 1. Press ENTER when done.

Use the è to highlight the Owner Name:. Press ENTER to start the edit mode. You can enter up to 19 characters for the Owner Name. The owner name will appear on printed reports. Press ENTER to end the edit mode.

Press to save all settings and return to the SETUP screen.

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Adapter Usage

Select Adapter Usage to display the ADAPTER USAGE screen.

The number of Autotests that have been performed with the Adapter that is currently attached to OMNI: and Remote: is displayed below each adapter’s name (Adapter ID String).

Press ESC to return to the SETUP screen.

Remote Info

Select Remote Info to display the REMOTE INFO screen. The date the Reference value for OMNISCANNER and OMNIREMOTE was

last set is shown at the top of the screen. The Hardware and Software Versions, and the Serial number of

the remote unit are displayed.

The Battery status is represented with a gauge. Factory Calibration* data is displayed at the bottom of the screen.

You may need to provide Serial Number and Factory Calibration data when having repairs or refurbishments done, or when calling for Technical Support.

Press ESC to return to the SETUP screen. *OMNISCANNER and OMNIREMOTE should be calibrated annually with

specialized equipment. Contact Technical Support for information on calibration and service requirements.

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OMNISCANNER User Guide

Fiber Adapter Info

Select Fiber Info to display the FIBER INFO screen.

The Serial numbers and the date the adapters were last factory calibrated is displayed.

The currently used reference method(s) are displayed on the bottom of the screen.

Press ESC to return to the SETUP screen.

Format MMC

When using the MultiMediaCard for the first time, it may require formatting.

Insert the MMC into OMNISCANNER2’s MMC slot. Select Format MMC to open the FORMAT MMC

screen. Formatting will start immediately. The formatting time is dependent on the capacity

of the MultiMediaCard, 8MB will require 2 minutes.

Regional Settings

Select Regional Settings to open the REGIONAL screen. The settings affect the way OMNISCANNER displays dates and numbers.

The REGIONAL screen displays the Language that is currently selected. To change the language, press ENTER and use the éê keys to highlight a language. Press ENTER once more to select it as the default language.

Use the è to advance to the Units: field. Press ENTER to switch the units from Meters to Feet. Use the éê keys to highlight the desired measurement unit and press ENTER to select it as the default measurement.

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Use the è to advance to the Date: field. Press ENTER to change the date format. DD is the day setting, MM is the month setting, YY is the year setting. Use the éê keys to highlight the desired format and press ENTER to select it as the default date format.

Use the è to advance to the Decimal Separator: field and switch the decimal symbol from , (comma) to . (period). Use the éê keys to highlight the desired symbol and press ENTER once more to select it as the default separator.

Press to save all settings and return to the SETUP screen.

Label Printer

Select Label Printer to display the LABEL PRINTER screen. The label printer name is displayed.

Press ENTER to turn the Auto Print feature on or off. Select YES if you want OMNISCANNER to automatically print a label after the Autotest has been saved. Select NO if you want to manually initiate the print process. Press ENTER when done.

Use the è to advance to the Font Size: field and press ENTER. Labels can be printed with small or large fonts. Select Small or Large depending on your requirements. Press ENTER when done.

Note

The font size is proportional to the label size. A large font printed on a small label could appear smaller than a small font on a bigger label.

Use the è to advance to the Copies: field. Use the éê keys to change the number of labels you want to print for a specific circuit ID. Press ENTER when done.

Press to save all settings and return to the SETUP screen.

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OMNISCANNER User Guide

Chapter 5 - Measurements

Note

The list of tests in the Measurement screen changes depending on the adapter that is currently attached to OMNISCANNER.

Performing Individual Measurements with OMNISCANNER

OMNISCANNER allows you to perform tests on twisted pair, fiber optic and coaxial cabling.

Measuring Twisted Pair Cabling

OMNISCANNER allows you to run various individual tests. The tests are conveniently grouped into two screens and can be accessed separately with the alphanumeric keypad.

Press the (Measurements) function key to display the MEASURE- MENTS screen.

Press the (Page Down) function key to scroll to the second screen containing MEASUREMENTS.

Press the (Page Up) function key to return to the first screen containing MEASUREMENTS.

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Measuring Fiber Optic Cabling

With the OMNIFIBER adapter attached, press the (Measurements) function key to display the MEASUREMENTS screen for fiber optic cabling.

Measuring Coaxial Cabling

With the coax adapter attached, press the (Measurements) function key to display the MEASUREMENTS screen for coaxial cabling.

Selecting an individual Test

Highlight the test you want to perform using the é or ê keys on your keypad and press ENTER, or direct-dial a test by pressing its associated number on the OMNISCANNER keypad.

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OMNISCANNER User Guide

General Information

Most test result screens have a retest feature for diagnostic purposes.

Press (Retest) to run continuous tests for the same cable.

Press (Retest) once more to stop the continuous measurement. OMNISCANNER will display the last measured data.

Tests that require the use of OMNIREMOTE will have small icons in the upper right corner of the titlebar indicating whether the information

on the screen is pertinent for OMNISCANNER or OMNIREMOTE.

Toggle between the screens by pressing to open the screen that

contains the information for OMNISCANNER, and to display the information for OMNIREMOTE.

Note

The PASS/FAIL criteria are based on the Autotest currently selected in the Project screen.

Several measurements will display results in a graph format. When a

graph can be displayed, the (Graph) function key is available.

Press (Graph) to display test results for the highlighted pair or

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pair combination. Use the é or ê keys to magnify the area of the graph where the cursor

is located. The graph can be magnified 1x, 2x, 4x, or 10x. Use the ç or è keys to move the cursor within the graph.

1x 2x 4x 10x

Use the cursor to display values for the desired frequency.

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Twisted Pair Measurements with OMNISCANNER

Wiremap

The Wiremap function tests twisted-pair cabling for proper wiring. Your cabling configuration is checked for shield continuity, opens, shorts, crossed pairs, split pairs, and reversed pairs. For each pair, Wiremap displays the length.

The screen displays a graphical representation of the wiring in your cable, where the near end wiring is shown on the left side, and the far end wiring on the right side of the screen.

• A reverse video number indicates a split pair

• A straight line between pairs indicates a good pair

• No line between wire pairs indicates an open

• An X between a wire pair indicates a reversed pair

• A ] between wirepairs indicates a short

• The measured length of the pairs 1-2, 3-6, 4-5, and 7-8 are shown on the left side.

In the example, OMNISCANNER displays split pairs on 1 - 2 and 4 - 5 (although they are wired straight through), a reversed pair 3 - 6, an open on wire 7, and a short on wire 8 to the Shield.

Press ESC to exit the WIREMAP screen.

Length/Delay

The Length/Delay function measures a cable’s length, propagation delay and skew. OMNISCANNER will determine whether the cable is open or shorted.

The accuracy of the NVP (Nominal Velocity of Propagation) setting determines the exactness of the Length measurements. The NVP specified by cable manufacturers is used for all the cables in OMNISCANNER's

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library. When creating or editing cables, the NVP value can be customized. (See Chapter 4 - Setup: Cables for further information.)

Delay is a measure of the time required for a pulse to travel from one end of the link to the other. OMNISCANNER measures the delay from when the pulse was sent to when the reflection was received. Knowing the speed that the pulse propagates down the cable (NVP), OMNISCANNER then calculates the length of the cable.

Skew is the difference OMNIScanner pairs with the longest and shortest delay.

The LENGTH/DELAY screen shows the test result information for all pairs.

The Limit is displayed at the top of the screen. The pairs are displayed in the first column fol-

lowed by small icons to indicate whether the pair is open or shorted .

The measured Length and the Delay are displayed for each pair. The result for the shortest pair is tagged with a PASS or FAIL indicator.

OMNIScannerEnd Found) is displayed instead of a value the cable is either too long or properly terminated.

The length result can be displayed in meters or feet (See Chapter 4:

Setup - User Options for further information.)

Delay is displayed in nS (nanoseconds). The Skew value and thOMNIScannerit are displayed right below the

pairs. Press ESC to exit the LENGTH/DELAY screen.

The NEXT (Near End Crosstalk) function measures the electromag- netic coupling that occurs between pairs at the near end. OMNISCANNER and OMNIREMOTE allow NEXT to be measured at both ends of the link without having to swap ends.

OMNIREMOTE functions as a terminator while OMNISCANNER transmits a

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OMNISCANNER User Guide

signal which is monitored on each of the other pairs. The received signal is compared to the transmitted signal and the difference is reported as the NEXT value in dB. When measuring the NEXT for the OMNIREMOTE end, the roles of the two units are reversed. OMNISCANNER provides the termination; OMNIREMOTE transmits and measures the signal.

In the NEXT screen, the worst case margin for all near and far pair combinations is shown at the top of the screen.

The pair combinations are displayed in the column on the left side, followed by the measured NEXT value, margin/limit, and frequency. The result for each pair combination is tagged

with a PASS , Marginal PASS , Marginal FAIL , or FAIL indicator.

Press or to toggle between the NEXT results for OMNISCANNER and OMNIREMOTE.

Press (Graph) to display the NEXT graph for the highlighted pair combination. NEXT is displayed for the frequency indicated by the cursor position.

Press (Pairs) to view NEXT graphs for other pair combinations.

Press (Diagnostics) to display the TDNXT screen, where cabling and/or connection faults can be identified. (See Chapter 6 - Diagnostics:

Using TDNXT to diagnose a Link for further information.)

Press ESC to exit the NEXT screen.

Attenuation

The Attenuation function measures signal loss in a cable as a function of frequency. OMNIREMOTE generates and injects a signal at the far end of the cable. OMNISCANNER measures the signal at the other end of the cable to determine cable loss.

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In the ATTENUATION screen, the worst case margin for all pairs is shown at the top of the screen.

The pairs are displayed in the column on the left side, followed by the Attenuation in decibels (dB), the Attenuation margin/limit values, and

the frequency. The result for each pair is tagged with a PASS , Marginal PASS , Marginal FAIL , or FAIL indicator.

Press (Graph) to display the Attenuation graph for the highlighted pair. The Attenuation is displayed for the frequency indicated by the cursor position.

Press (Pairs) to view Attenuation results for other pairs.

Press ESC to exit the ATTENUATION screen.

Note

Attenuation always reports the worst dB value regardless of the Report: setting in the RUN OPTIONS screen.

Return Loss

The Return Loss function measures the uniformity of a cable’s impedance. OMNISCANNER injects a signal into the cable and measures the reflected signal strength. Return Loss measures the difference between the transmitted signal delivered to the cable and the reflected signal at the input port of the cable. The reflected signal is the result of impedance mismatches in the link under test.

In the RETURN LOSS screen, the worst case margin for all near and far pairs is shown at the top of the screen.

The pairs are displayed in the column on the left side, followed by the Return Loss in decibels (dB), the Return Loss margin/limit, and the frequency. The result for each pair is tagged with

a PASS , Marginal PASS , Marginal FAIL , or FAIL indicator.

Press or to toggle between the

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OMNISCANNER User Guide

Return Loss results for OMNISCANNER and OMNIREMOTE.

Press (Graph) to display the Return Loss graph for the highlighted pair. The Return Loss is displayed for the frequency indicated by the cursor position.

Press (Pairs) to view Return Loss graphs for other pairs.

Press (Diagnostics) to display the TDRL screen, where cabling and/or connection faults can be identified. (See Chapter 6 - Diagnostics:

Using TDRL to diagnose a Link for further information.)

Press ESC to exit the RETURN LOSS screen.

ELFEXT

ELFEXT (Equal Level Far End Crosstalk) measures the electromagnetic

coupling at the far end and normalizes the result to account for the cable’s attenuation. ELFEXT is reported in dB and results are computed for twelve pair combinations at the OMNISCANNER and the OMNIREMOTE end of the cabling.

In the ELFEXT screen, the worst case margin for all near and far pair combinations is shown at the top of the screen.

The pair combinations are displayed in the column on the left side, followed by the ELFEXT value, the margin/limit and the frequency. The

result for each pair combination is tagged with a PASS , Marginal PASS , Marginal FAIL , or FAIL indicator.

The scrollbar indicates that there are more test results. Use the ê on OMNISCANNER's keypad to scroll through the list and view results for the other six pair combinations.

Press or to toggle between the ELFEXT results for OMNISCANNER and OMNIREMOTE.

Press (Graph) to display the ELFEXT graph for the currently highlighted pair combination. ELFEXT is displayed for the frequency

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indicated by the cursor position.

Press (Pairs) to view ELFEXT graphs for other pair combinations.

Press ESC to exit the ELFEXT screen.

ACR/Bandwidth

Attenuation to Crosstalk Ratio (ACR) is an indication of how much

larger the received signal is compared to the Near End Crosstalk (NEXT) on the same pair. ACR is calculated from the measured NEXT and Attenuation. The ACR value is computed at each measured Attenuation frequency. The worst case ACR is reported for each pair combination.

Bandwidth is a measure of the usable frequency range of the link under test. For most networks, this is the highest frequency at which the signal can easily be distinguished from background noise. Bandwidth is reported as the frequency where ACR is 3dB.

In the ACR screen the Bandwidth is displayed at the top of the screen.

The pair combinations are located in the column on the left side, followed by the measured ACR, the ACR margin/limit, and the fre-

quency. The result for each pair combination is tagged with a PASS or FAIL indicator.

Press or to toggle between ACR results for OMNISCANNER and OMNIREMOTE.

Press (Graph) to view the graph for the currently highlighted pair combination. The values for Attenuation and NEXT are shown at the top of the screen. Attenuation and NEXT graphs are displayed for the frequency indicated by the cursor position.

Press (Pairs) to view Attenuation/NEXT

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graphs for other pair combinations. Press ESC to exit the ACR screen.

Resistance

Resistance is measured in a loop through each pair in the cable. In a

twisted pair cable, Resistance is measured by using OMNIREMOTE to short the far end of the pair under test.

The RESISTANCE screen displays the Resistance Limit and the test results in Ohms for each pair.

The result for each pair is tagged with a PASS or FAIL indicator.

Press ESC to exit the RESISTANCE screen.

Power Sum NEXT

Like NEXT, Power Sum NEXT is a measurement of electromagnetic coupling between adjacent pairs. While NEXT reports test results for each pair combination, Power Sum NEXT is calculated from NEXT for individual pair combinations and takes into account the crosstalk from multiple transmission pairs. When reporting Power Sum NEXT, OMNISCANNER displays results for pairs, rather than pair combinations. The PS NEXT measurement is required to assure proper operation of networks employing simultaneous transmission on more than one pair in a link (i.e. Gigabit Ethernet).

In the POWER SUM NEXT screen, the worst case margin for all near and far pairs is shown at the top of the screen.

The pairs are displayed in the column on the left side, followed by the PSNEXT in decibels (dB), the margin/limit, and the frequency. The result for

each pair is tagged with a PASS , Marginal PASS

, Marginal FAIL , or FAIL indicator.

Press or to toggle between the PSNEXT results for OMNI-

SCANNER and OMNIREMOTE.

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Press (Graph) to display the PSNEXT graph for the currently highlighted pair. PSNEXT is displayed for the frequency indicated by the cursor position.

Press (Pairs) to view PSNEXT graphs for other pairs.

Press ESC to exit the POWER SUM NEXT screen.

Power Sum ELFEXT

Power Sum ELFEXT is calculated from the summation of the indi-

vidual ELFEXT effects on each pair by the other three pairs.

In the POWER SUM ELFEXT screen, the worst case margin for all near and far pairs is shown at the top of the screen.

The pairs are displayed in the column on the left side, followed by the PSELFEXT in decibels (dB), the margin/limit, and the frequency. The result

for each pair is tagged with a PASS , Marginal PASS , Marginal FAIL , or FAIL indicator.

Press or to toggle between the PSELFEXT results for OMNISCANNER and OMNI-Remote.

Press (Graph) to display the PSELFEXT graph for the currently highlighted pair. PSELFEXT is displayed for the frequency indicated by the cursor position.

Press (Pairs) to view PSELFEXT graphs for other pairs.

Press ESC to exit the POWER SUM ELFEXT screen.

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OMNISCANNER User Guide

Power Sum ACR

Power Sum ACR is calculated from the Attenuation of the disturbing

pair subtracted from the Power Sum NEXT for the pair. The worst case Power Sum ACR is reported for each pair.

The POWER SUM ACR screen displays the pairs in the column on the left side, followed by the PSACR in decibels (dB), the margin/limit, and the frequency. The result for each pair is tagged with a

PASS or FAIL indicator.

Press or to toggle between Power Sum ACR results for OMNISCANNER and OMNIREMOTE.

Press (Graph) to view the graph for the currently highlighted pair. Attenuation and PSNEXT are displayed for the frequency indicated by the cursor position.

Press (Pairs) to view Attenuation and PS NEXT graphs for other pairs.

Press ESC to exit the POWER SUM ACR screen.

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Fiber Optic Measurements with OMNIFIBER

Length/Delay

The Length/Delay function measures a fiber’s length and propagation delay. Length measurements are derived from the propagation delay results using the GRI (Graded Refractive Index) at the appropriate wavelength.

Propagation Delay is the measure of the time required for a signal to advance from one end of the link to the other. When measuring propagation delay, OMNISCANNER measures the round trip delay through both fibers, and then divides the result by two, assuming that the cables are equal in length.

OMNISCANNER measures the full length of the fibers under test.

The LENGTH/DELAY screen displays the GRI @ 1300 nm (nanometers) for multimode fiber and @ 1310 nm for single-mode fiber.

The length limit and the actual derived length are displayed in meters or feet.

The delay is displayed in nanoseconds (nS). Press ESC to exit the LENGTH/DELAY screen.

Loss

The Loss function measures the signal loss in a fiber optic cable. The adapters inject a signal into the fiber cable and OMNISCANNER and OMNI- Remote measure the received signals at 850 and 1300 nm for multimode fiber and 1310 and 1550 for single-mode fiber.

The LOSS screen displays the measured power in dBm (decibels; one milliwatt reference) for each wavelength.

The measured loss and limit values in decibel (dB) are displayed for both wavelengths.

For dual fiber testing the arrows ▲▼ at the top of

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OMNISCANNER User Guide

the screen point out the direction of the light and indicate which fiber the result is for.

Press ESC to exit the LOSS screen.

Power Meter

The Power Meter function reports the overall received power. Use it to quickly verify and correct cabling and equipment problems.

The POWER METER screen shows the currently selected wavelength and light source mode.

The overall power is displayed. OMNIFIBER main is designed to provide a consis-

tent, calibrated light source for effectively measuring signal loss in fiber optic cables. The transmitted light can be operated continuously or modulated.

When testing loss, use the continuous light source, when identifying fiber cables with a tone locator, use the 2KHz modulated mode.

Press (Continuous) or (Modulated) to change the light source.

When using OMNIFIBER MM (multimode), press or to change the wavelength of the OMNIFIBER Main transmitted and received wavelengths.

When using OMNIFIBER SM (single-mode), press or to change the wavelength of the OMNIFIBER Main transmitted and received wavelengths.

Either Main or Remote can be used as the light source with the main power meter.

When OMNIFIBER is attached to OMNIREMOTE, the remote unit can be used as light source. With the OMNIFIBER adapter attached, press the

λλ

key to activate the light source and provide continuous or modulated light at 850 or 1300 nm for multimode fiber, or at 1310 or 1550 for single-mode fiber. The green LED of the appropriate wavelength will blink rapidly when modulated light is transmitted. If the transmitted

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5 - 16

light is continuous, the green LED will not blink.

Press to set the reference value, place it in the appropriate field, and start calculating the loss.

Press ESC to exit the POWER METER screen.

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OMNISCANNER User Guide

Coaxial Measurements with OMNISCANNER

Coax Tests

In coaxial cable, an insulated wire runs through the middle of the cable and a second wire, called the shield, surrounds the insulation of the inner wire like a sheath. The outer insulation jacket wraps around the second wire.

The Coax Tests screen displays the measured Length, Termination, Impedance, and Resistance.

The Length function measures the cable length. OMNISCANNER will display the overall length in meters or feet. If NEF (No End Found) is displayed instead of a value, the cable is either too long or terminated in its characteristic impedance.

The Termination function displays whether a cable is open or shorted .

When the field Length: displays NEF, the Termination will display . Impedance defines the relationship of voltage and current in an

electrical circuit. Each Cable or transmission line is designed to have specific impedance,

which allows proper matching to the currents of the transmitter and receiver. OMNISCANNER measures the characteristic impedance of the coax cable in Ohms.

OMNISCANNER displays the Resistance in Ohms.

If the button was used to execute the coax test, the result can be stored with

a Project Name and Circuit ID.

Press to open the SAVE AUTOTEST screen.

See Chapter 2 - Getting Started: Saving Coaxial Autotest Results for further information.

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Cable Trace

Tracer/Toner is a cable tracing function that assists in tracking cables

hidden in walls, ceilings, floors, or patch panels by generating a signal that can be converted into an audible tone by Cable Tracer II (sold separately) or any other equivalent tracing device.

1. Attach the end of the cable you want to trace to the OMNISCANNER using a patch cord and the Channel Adapter or the Link Adapter. Make sure that the cable is not grounded, as a grounded cable will weaken the signal.

A multi-tone trace signal will begin transmitting. To enhance the signal, insert a grounding plug into the ground jack located left of the DB-9 Serial

Connector. A grounding plug is included in the optional Cable Tracer II kit; you may use any grounding cable that has a standard insulated phone tip plug.

2. To determine the cable path use the multi-tone sound as a guide and simply trace along the wire where the tone is loudest. The tracer needs to be within one foot of the hidden cable.

Press ESC to exit the CABLE TRACE screen.

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OMNISCANNER User Guide

Chapter 6 - Diagnostics

OMNISCANNER’s Diagnostic Functions

OMNISCANNER has several advanced diagnostic test functions to help you with the identification of network cabling faults. Diagnostics allows you to locate opens, breaks, and short circuits as well as NEXT and Return Loss cabling faults in twisted pair cabling. Further, OMNISCANNER allows you to measure Impulse Noise, trace cables, and locate office drops.

Press the (Diagnostics) function key to display the DIAGNOS- TICS screen.

Wiremap

Wiremap identifies the location of opens, breaks and pairs that are shorted. This allows quick identification of the fault location.

Select Wiremap to display the WIREMAP screen. The screen displays the wire connections between OMNISCANNER and OMNIREMOTE. The pairs that are being tested are defined by the selected test standard. Shield continuity is tested if a shielded cable type is selected. (See Chapter 4 -

Setup: Cables for further information about shielded cables.)

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For each of the 8 conductors and the Shield, Wiremap can indicate proper pin termination on each end, continuity to OMNIREMOTE, shorts between any two or more conductors, crossed pairs, reversed pairs, split pairs, and any other miswiring. For each pair, Wiremap displays the length. When a pair is faulty the length indicates the distance to the fault from the OMNISCANNER end.

Wiremap Displays

The OMNISCANNER icon on the left side indicates the wiring at the OMNI end of the cable link.

The OMNIREMOTE icon on the right side indicates the wiring at the OMNIREMOTE end of the cable link.

CORRECT CONNECTIVITY:

The measured lengths of pairs 1-2, 3-6, 4-5, and 7-8 are shown on the left side of the Wiremap.

If the selected cable is shielded or screened, shield continuity will be measured, and if the shield fails the test, Wiremap will display the error.

WIRE IS OPEN:

Wiremap checks the continuity of each wire. In this example, there is no line between pin 5 at

each end, which indicates a break in connection. Use the number on the left side of the screen to find the exact location of the open. For example if 36ft is displayed, the open can be found 36ft away from OMNISCANNER.

WIRES ARE SHORTED:

Wiremap finds shorts in the cable being tested. In this example, the wiremap indicates that wires

4-5 are shorted. Use the number on the left side of the screen to find the exact location of the short. For example if 36ft is displayed, the short can be found 36ft away from OMNISCANNER.

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OMNISCANNER User Guide

SPLIT PAIRS:

If a cable is wired correctly, pin-to-pin, but there is a split pair, Wiremap displays Split Pairs and highlights the pins in error.

In our example, one wire from the 4-5 pair is twisted with one wire in the 7-8 pair. The Split Pair will be highlighted with reversed numbers.

The message SPLIT PAIRS will be displayed below the Wiremap.

Press ESC to exit the WIREMAP screen.

TDNXT

NEXT faults are diagnosed by using the TDNXT (Time Domain NEXT) function. OMNISCANNER uses TDNXT to determine the amount of NEXT as a function of distance. TDNXT with new S-Band™ technology (Standard Connector Band technology) can help you distinguish between connection and cable faults. It assists you with diagnosis and troubleshooting of NEXT failures and the verification of test cables, connectors and plugs.

While the NEXT graph shows the link test limits and the frequency at which a failure occurred, the TDNXT graph displays NEXT vs. distance.

S-Bands™ provide a time domain limit to verify that the connections are within the desired category of performance. In a typical link, failures are a result of either a non-compliant connection or a faulty cable. The ability to determine if a connection meets the expected performance requirement significantly simplifies the diagnosis of a failure.

To diagnose a failure, select TDNXT in the DIAGNOSTICS screen and press ENTER. The TDNXT function is also available from the NEXT Graph screen.

The SELECT PAIRS screen opens.

Use the (Pair) function key to select the pairs you want to analyze.

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Use or to select which end, OMNISCANNER or OMNIREMOTE, you want to view the results for.

Press to open the TDNXT screen. The screen displays the TDNXT (Time Domain NEXT) graph. The funnel-

like lines are the upper and lower S-Bands. S-Bands are limit lines for connections as a function of distance from the cable end. They provide a quantitative measure of the NEXT at the connection point, which is typically located at the end of the test cable at 2 meters (7ft). The measurement unit for the horizontal graph can be displayed in meters (m) or feet (ft.). (See Chapter 4 - Setup: User Options for further

information about units.)

Initially, the cursor is located at the point with the worst NEXT.

The NEXT at the cursor position relative to the S-Band, the corresponding pair combination, and the distance to the cursor position are displayed above the graph.

The example shows a Time Domain NEXT that exceeds the S-Bands. The worst NEXT is displayed at 7ft, the connection location. The conclusion is that the connection caused the failure.

Press ESC to exit the TDNXT screen.

Using TDNXT to Diagnose a Link

The S-Band limit lines provide an easy method to pinpoint faults located at the connection or the cable. S-Bands allow you to determine if the connections in a link meet the desired performance level. They are designed to match the standard category of the selected Autotest.

A graph containing peaks that are located outside the S-bands at the connection distance indicates that the connection and not the installed cable is the most likely reason for failure.

If NEXT failed but the TDNXT graph displays peaks within the S-Bands at the connection distance, the fault is caused by the cable portion of the link.

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OMNISCANNER User Guide

If failures occur at both ends of the link, use or to diagnose each end. Failures at both ends of the link can interact.

TDNXT Examples

The following examples show the diagnostics process that is performed to identify failures on typical links with 2 meter test cables.

GOOD CABLE, BAD CONNECTION: The cursor in the NEXT graph is located at the

worst NEXT at 144.0 MHz, which is outside the limit line. (For display purposes the cursor is moved.) The Link failed. Why?

Press to open the TDNXT screen to further review and diagnose the graph.

The cursor is positioned at the worst peak, which is outside the S-Bands.

Looking at the TDNXT graph we can reach the conclusion that the connection located at 2 meters did not meet the required performance and is the cause of failure.

BAD CABLE, GOOD CONNECTION: The cursor in the NEXT graph is located at the worst NEXT at 6.2 MHz,

which is outside the limit line. (For display purposes the cursor is moved to the Zeroposition.) The Link failed. Why?

Press to open the TDNXT screen to further review and diagnose the graph.

The NEXT response from the connector located at 2 m is well within the S-Bands and performs significantly better than the requirements. The

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NEXT in the cable is the source of the failure even though the cable’s NEXT response peaks are less than those of the connection. By knowing that the connection meets its performance requirement, the cable is easily identified as the non-compliant component of the link.

The following table summarizes the typical diagnosis process.

NEXT TDNXT exceeds Conclusion

S-Band limits PASS N/A NEXT of link is within limits FAIL YES Connection fails. Replace or retermi-

nate. Plug and/or jack can be at fault.

FAIL NO Cable is not within specifications

TDRL

Return Loss is a measure of the amount of reflected energy in a link. Reflections occur at points of impedance discontinuity, such as connectors, transitions from patch cables to horizontal cables, and impedance structure within a cable.

Return Loss faults are diagnosed by using the TDRL (Time Domain Return Loss) function. OMNISCANNER uses TDRL to determine the amount of Return Loss as a function of distance. TDRL with new SBand™ technology (Standard Connector Band technology) can help you to distinguish between connection faults and cable faults. It assists you with diagnosis and troubleshooting of Return Loss failures and the verification of test cables, connectors and plugs.

While the Return Loss graph shows the link test limits and the frequency at which a failure occurred, the TDRL graph displays Return Loss vs. distance.

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OMNISCANNER User Guide

Select TDRL in the DIAGNOSTICS screen and press ENTER. The TDRL function is also available from the RETURN LOSS Graph screen.

The SELECT PAIR screen opens.

Use the (Pair) function key to select the Pair you want to analyze.

Use or to select which end, OMNISCANNER or OMNIREMOTE, you want to view the results for.

Press to open the TDRL screen The screen displays the TDRL (Time

Domain Return Loss) graph. The funnellike lines are the upper and lower SBands. S-Bands are limit lines for connections as a function of distance from the cable end. They provide a quantitative measure of Return Loss at the connection point, which is typically located at the end of the test cable, at about 2 meters (7ft). The measurement unit for the horizontal graph can be displayed in meters (m) or feet (ft.).

Initially, the cursor is located at the point with the worst Return Loss. The Return Loss at the cursor position, the corresponding pair, and the

distance to the cursor position are displayed above the graph. The example shows a Time Domain Return Loss that exceeds the S-

Bands. The worst Return Loss is displayed at 7ft, the connection. The conclusion is that the reflection at the connection is the cause of the failure. This could be due to a connector problem or excessively untwisted pairs at the connector.

Press ESC to exit the TDRL screen.

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Using TDRL to Diagnose a Link

S-Bands provide an easy method to pinpoint if the fault is located at the connection or at the cable. The S-Bands allow you to determine if the connections in a link meet the desired performance level. They are designed to match the standard category of the selected Autotest.

A graph containing peaks that are located outside the S-Band at the connection distance indicates that the connection and not the installed cable failed.

If Return Loss fails but the TDRL graph displays peaks within the SBand at the connection distance, the fault is caused by the cable portion of the link.

If failures occur at both ends of the link, use or to diagnose each end. Failures at both ends of the link can interact.

TDRL Examples

The following examples show the diagnostics process that is performed to identify failures on typical links with 2 meter test cables.

GOOD CABLE, BAD CONNECTION: The cursor in the Return Loss graph is located at

the worst Return Loss at 135.2 MHz, which is outside the limit line. (For display purposes the cursor was moved.) The Link failed. Why?

Press to open the TDRL screen to further review and diagnose the graph.

The cursor is positioned at the worst peak, which is outside the S-Bands.

Looking at the TDRL graph we can reach the conclusion that the connection located at 2 meters did not meet the required performance and is the cause of failure.

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OMNISCANNER User Guide

BAD CABLE, GOOD CONNECTION: The cursor in the Return Loss graph is located at

the worst Return Loss at 110.4 MHz, which is outside the limit line. The Link failed. Why?

Press to open the TDRL screen to further review and diagnose the graph.

The Return Loss response from the connector located at 2 m is well within the S-Bands and performs significantly better than the requirements. The Return Loss in the cable is the source of the failure even though the cable’s Return Loss response peaks are less than those of the connection. By knowing that the connection meets its performance requirement, the cable is easily identified as the non-compliant component of the link.

The following table summarizes the typical diagnosis process.

Return Loss TDRL exceeds Conclusion

S-Band limits

PASS N/A Return Loss of link is within limits FAIL YES Connection fails. Replace or

reterminate. Plug and/or jack can be at fault.

FAIL NO Cable is not within specifications

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Impulse Noise

Noise is undesirable electrical energy that falls within the typical network frequency bands of operation (generally 1-20 Mhz). It interferes with a network’s ability to transmit data reliably. Noise sources may include AC transmission lines, fluorescent light fixtures, industrial equipment, elevators, etc. Noise problems also occur when other wire pairs in the same sheath are used for non-LAN applications.

Testing for noise involves turning off all LAN devices and measuring for background electrical activity in the cabling. Often, noise problems can be corrected by moving the cable away from the source or by removing the source itself.

Impulse Noise counts the impulses detected on a given pair

Select Impulse Noise to open the IMPULSE NOISE screen. The current date and time is shown in the upper left. The monitored pair is shown in the upper right.

Impulses/sec indicates the number of wide band impulses that exceed 30 mv peak-to-peak that were detected in the last 1second interval.

Total Impulses indicates the total number of impulses detected since noise monitoring was started.

Elapsed Time indicates the time since the test was started.

Press (Pair) to clear the current log and monitor impulse noise on another pair.

Press (Detail) to open the LOG screen. OMNISCANNER keeps a log during impulse noise

monitoring. The log represents the seven largest impulse noise counts detected and the date and times at which they occurred.

Press ESC to exit the LOG screen. Press ESC to exit the IMPULSE NOISE screen.

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OMNISCANNER User Guide

Cable Trace

Tracer/Toner is a cable tracing function that assists in tracking cables hidden in walls, ceilings, floors, or patch panels by generating a signal that can be converted into an audible tone by Cable Tracer II (sold separately) or any other equivalent tracing device.

A multi-tone trace signal will begin transmitting. To enhance the signal, insert a grounding plug into the ground jack located left of the DB-9 Serial Connector. A grounding plug is included in the optional Cable Tracer II kit; you may use any grounding cable that has a standard insulated phone tip plug.

2. To determine the cable path use the multi-tone sound as a guide and simply trace along the wire where the tone is loudest. The tracer needs to be within one foot of the hidden cable.

Press ESC to exit the CABLE TRACE screen.

Office Locator

The Office Locator function allows you to find the termination of an office cable drop from a wiring closet. It eliminates the need to trace cables through walls and ceilings.

1. Connect the cable to be tested to OMNISCANNER.

2. Insert the RJ-45 Office Locator adapters into wall outlets in the offices you wish to identify. You can connect any or all of the twelve Office Locators before beginning your test.

3. At the patch panel, run the Office Locator function to identify, which office is connected to a given port.

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OMNISCANNER will identify office locations and display the ID of the Office Locator adapter found at the far end of the attached cable.

If you are testing a cable that does not have an Office Locator attached at the other end, OMNISCANNER will display a question mark.

Press ESC to exit the OFFICE LOCATOR screen.

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OMNISCANNER User Guide

Chapter 7 - Results

Autotest Results

To view previously saved Autotests, press the (Results) function key. The RESULTS screen displays Project names together with the number of Autotests that are

stored within each project. In the bottom row you will find the total number of Autotests currently stored in OMNISCANNER’s memory.

Light Project folders identify internally stored results.

Black Project folders identify results stored on MMC. (See Chapter 11 -

MultiMediaCard for further information.)

To quickly remove all Autotests from a project, highlight the project in the RESULTS screen and press the (Delete) function key. A

message will prompt you to confirm the operation.

To view more detailed test information, highlight a project name and press ENTER.

The previously highlighted PROJECT NAME will now appear in the title bar together with a numeric test counter that shows the number of Autotest results stored within the project.

To remove an Autotest from the list, press

the (Delete) function key.

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Press (Edit) to move the Autotest to another project or to change the Circuit ID.

Press ENTER with the Project: highlighted to reveal a list of all projects that are currently stored. Use the éê to highlight the project you want to store the Autotest within, and press ENTER to select it.

Use the ê to highlight the Circuit ID: and press ENTER to edit the field. Press ENTER to terminate the edit mode.

Press (Save) to save the changes and return to the PROJECT NAME screen. If the PROJECT NAME was changed, it will now appear in the title bar together with the numeric test counter.

Viewing Autotest Results

The Project Name screen shows a Circuit ID and a PASS/FAIL icon for each saved Autotest. The following PASS/FAIL icons can be displayed:

Passed twisted pair Autotest.

Failed twisted pair Autotest.

Twisted Pair Autotest without PASS/FAIL criteria.

Passed twisted pair Autotest with graphs.

Failed twisted pair Autotest with graphs.

Twisted pair Autotest with graphs without PASS/FAIL criteria.

Passed fiber Autotest.

Failed fiber Autotest.

Fiber Autotest without PASS/FAIL criteria. Coax test result

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OMNISCANNER User Guide

To view detailed information about a saved Autotest use the éê on your keypad to highlight a Circuit ID in the Project Name screen and press ENTER.

For Twisted Pair Cabling:

The Autotest Results screen will be displayed. The name of the Autotest, the cable that was used to run the test, and the overall test result (PASS or FAIL) are shown.

All measurements that were performed during the Autotest are listed in the left column. Passed tests

are marked with a (PASS) or a (Marginal PASS). If a test result did not pass, the test name will be followed by a (Fail) or a (Marginal FAIL) symbol.

Note

The list of tests varies depending on the kind of Autotest that was performed. (See Chapter 5 - Measurements for detailed information about each measurement screen.)

Use the éê on your keypad to highlight a test. Press ENTER to open the test result screen for that particular test. Use the ç or è on your keypad to quickly page through all test

results.

Note

If (Save with Graphs) or (Save with Graphs to MMC) was selected when saving the Autotest, graphs associated with NEXT, Attenuation, Return Loss, PSNEXT, ELFEXT, ACR, PSELFEXT, and/or PSACR are available when viewing Autotest results. Only the graphs that were selected in the SAVE OPTIONS screen will be saved. (See Chapter 4 - Setup: Save Options for information about selecting graphs to be saved.)

Press ESC to return to the PROJECT NAME screen. Press ESC to return to the RESULTS screen.

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