OMNIScanner TM featuring OMNIFiber
OMNIScanner OMNIFiber TM TM User Guide ENGLISH A Guide to using the Microtest 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. 2950-4500-04E Rev.
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 ......................................................................................
OMNIScanner User Guide Chapter 3 - Setup ......................................................... 3 - 1 Configuring OMNIScanner .............................................................. 3 - 1 Set Reference ................................................................................. 3 - 1 Set Reference with the OMNIFiber Adapters .............................. 3 - 2 Autotests .........................................................................................
OMNIScanner User Guide TDNXT ............................................................................................ Using TDNXT to Diagnose a Link ............................................... TDNXT Examples ...................................................................... TDRL .............................................................................................. Using TDRL to Diagnose a Link ................................................. TDRL Examples ..............................
OMNIScanner User Guide Appendix A - Technical Specifications ......................... A - 1 Physical Characteristics .................................................................. A - 1 User Interface ................................................................................. A - 1 Power .............................................................................................. A - 2 Environmental .................................................................................
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 more than 300 MHz.
OMNIScanner User Guide a part of each unit. When utilizing the OMNIFiber adapters, OMNIScanner certifies single and multimode fibers, one or two at a time. Further, two multimode, duplex fibers can be measured simultaneously at both wavelengths. OMNIFiber adapters are optical power meters for the verification of fiber optic based cabling. By measuring optical power, they can verify the proper installation and operation of various fiber optic components.
OMNIScanner User Guide FUNCTION KEYS ON/OFF BACKLIGHT AUTOTEST ESCAPE ALPHANUMERIC KEYS ARROW KEYS UPPER/LOWER CASE SWITCH KEY ENTER HELP KEY OMNIScanner’s Keypad ON/OFF When turned on OMNIScanner will display the project screen. Backlight Press the Backlight key to turn the backlight on or off. Press and hold the Backlight key to display the CONTRAST screen.
OMNIScanner User Guide AUTOTEST Autotest Press the Autotest key to run a custom or predefined Autotest. ESC 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 ENTER When in a selection field press the ENTER key to open the listbox and then select the highlighted item as the new default.
OMNIScanner User Guide Function Keys The functions of the 4 keys vary depending on the current display.
OMNIScanner User Guide OMNIRemote’s LED Indicators LED Color PASS Green Description 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 Guard Hazard condition is detected.
OMNIScanner User Guide When To Use OMNIRemote Most measurements require the use 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.
OMNIScanner User Guide 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.
OMNIScanner User Guide 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. Gently 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.
OMNIScanner User Guide 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.
OMNIScanner User Guide To delete single characters use the field use the function key. To clear an entire function key. 6. Press ENTER to accept the field and exit the edit mode. Technical Support If you have technical questions, you may contact Microtest 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. Americas and Asia Pacific: 1-800-NET-FIXR (1-800-638-3497) (U.S.
OMNIScanner User Guide 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 test cable and press the key.
OMNIScanner User Guide Chapter 2 - Getting Started 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.
OMNIScanner User Guide 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 a predefined projects, grouped by test standards, to allow easy and fast operation.
OMNIScanner User Guide • View Graphs • Edit Circuit IDs MT Crimp for Windows supports the following: • Upload of test results • Storage of test results to files • Storage of test results in a database representing the site configuration (i.e. Buildings, floor, closets, patch panels, etc.) • Print test reports • Export results in CSV format The following sections provide more detail on the certification process.
OMNIScanner User Guide 1. To set the reference, connect OMNIScanner and OMNIRemote using the test cable and adapter supplied with the scanner (as shown). 2. Turn OMNIScanner on. 3. Press (Setup). 4. Select Set Reference. 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.
OMNIScanner User Guide 6. Select the cable type to be tested from the drop-down list and press ENTER. The field Adapter: will automatically change to reflect the adapter that is currently attached. Every Project has certain Autotests and cables assigned already. These associated lists will appear in the drop-down lists for each item. If the Autotest or Cable you want to use (Setup) to select the appropriate is not in a drop-down list, open item.
OMNIScanner User Guide 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 (PASS) or individual as a test is completed. (FAIL) results as soon Once all tests were performed, the overall test Result: is displayed as PASS or FAIL.
OMNIScanner User Guide 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, (List). The CIRCUIT ID screen press 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.
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OMNIScanner User Guide Viewing Twisted Pair Autotest Results This viewing option is only available immediately after the Autotest was performed. To view stored test results at a later time, press the (Results) function key located in the Project screen. (See Chapter 6 Results for more information.) Note: The list of tests varies depending on the kind of Autotest that was performed. 1.
OMNIScanner User Guide 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.
OMNIScanner User Guide Typical Test Configurations for Twisted Pair Cabling Modular 8 Jack Basic 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. Modular 8 (RJ-45) plug to 160-pin Test Cable Use the supplied Modular 8 plug to 160 pin test cables at both ends of the link to attach OMNIScanner and OMNIRemote to the Modular 8 jacks.
OMNIScanner User Guide 110 Block Full Channel with Modular 8 Jacks A Full Channel consists of the different link elements from the hub to the wallplate. For cables terminated with a Modular 8 plug, use the Modular 8 Adapter to interface OMNIScanner with these cables. Use the supplied Modular 8 Adapters to attach OMNIScanner and OMNIRemote to channel patch cords.
OMNIScanner User Guide Chapter 3 - Setup Configuring OMNIScanner OMNIScanner becomes even more powerful with its easy-to-use setup feature that allows you to define, edit and preset many items. They are conveniently organized into several parts and can easily be 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 screen.
OMNIScanner User Guide 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 only needed to periodically verify and establish the signal reference for attenuation. The function does not affect any other measurements. Press ESC to return to the SETUP screen.
OMNIScanner User Guide The SET REFERENCE screen will be displayed while the reference data is being established. OMNIScanner notifies you when the process has been completed. The FIBER INFO screen will be displayed. 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, MICROTEST, IEEE, ATM, and AS/NZ.
OMNIScanner User Guide The first page displays the Configuration of the Autotest (Basic Link, Channel, or Permanent Link). 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.
OMNIScanner User Guide are not used to determine PASS or FAIL. The View Autotest Detail screen displays the current scanner configuration for multimode fibers. Use the function key to view the limits for single-mode fibers. When viewing limits for equation-based Autotests like TIA 568A, ISO 11801, and 100Base-F, the Loss per km (kilometer) will be displayed. For all other tests the Loss for 850, 1300, and/or 1310 is displayed. Press ESC to return to the SETUP screen.
OMNIScanner User Guide Press (Set Default) to select the cable to be tested. 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 Category folder, or create a new cable (see below). Press (Delete) to permanently remove a custom cable. Note: Default cables cannot be removed. With a twisted pair cable highlighted, press (Edit) to edit an existing custom cable.
OMNIScanner User Guide sured 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 @ 850 and 1300 can be viewed and changed. Note: Default fibers cannot be edited. A fiber cable’s Graded Refractive Index (GRI) differs depending on the supplier.
OMNIScanner User Guide Press Circuit ID. (Edit) to edit an existing project and its The project name will appear in the Name: field. The first and last Circuit ID fields contain a default circuit ID that can be modified. (List) to display the Circuit ID screen. Press It contains a scrollable list of all Circuit IDs created for the project. Press (New) to create a new project. New Project will be displayed in the Name: field. Press ENTER to edit the name.
OMNIScanner User Guide 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. (List) to review the continuous list of Circuit IDs that where Press just created. MT-F01-PP01-P01 (1st Circuit ID to be used) MT-F01-PP01-P02 (2nd Circuit ID to be used) MT-F01-PP01-P03 ..
OMNIScanner User Guide box will be checked . In the Save Graph Options section you will be able to define, which of the graphs will be saved. 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.
OMNIScanner User Guide change the displayed values in increments of 1. 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. They will appear on printed reports. Press ENTER to end the edit mode. The USER OPTIONS screen displays the Language that is currently selected. To change the language, use the è to highlight the field. Press ENTER and use the éê keys to highlight a language.
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. Fiber Test Options Select Fiber Test Options to display the FIBER TEST OPTION screen. Press if you want OMNIFiber to test the fiber link in both directions.
OMNIScanner User Guide Chapter 4 - Measurements Note: The list of tests in the Measurement screen varies depending on the adapter that is currently attached to OMNIScanner. Performing Individual Measurements with OMNIScanner 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 MEASUREMENTS screen.
OMNIScanner User Guide With the OMNIFiber adapter attached, press the (Measurements) function key to display the Fiber Tests screen for fiber optic cabling. 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. General Information Most test result screens have a retest feature for diagnostic purposes. Press (Retest) to run continuous tests for the same cable.
OMNIScanner User Guide Toggle between the screens by pressing to open the screen that contains the information for OMNIScanner, and information for OMNIRemote. to display the Note: The PASS/FAIL criteria are based on the Autotest currently selected in the Project screen. Several measurements will display certain results in a graph format. When a graph can be displayed, the (Graph) function key is available. (Graph) to display test results for the highlighted pair or pair Press combination.
OMNIScanner User Guide 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 wiring on the right side of the screen.
OMNIScanner User Guide Delay is a measure of the time required for a pulse to travel from one end of the circuit to the other. OMNIScanner measures the delay between when the pulse was sent and 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 between the delay on the longest and shortest wirepairs. The LENGTH/DELAY screen shows the test result information for all pairs.
OMNIScanner User Guide In the NEXT screen, the worst case margin for all 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, limit, and frequency. The result for each pair combination is tagged with a PASS or FAIL indicator. Press or to toggle between the NEXT results for OMNIScanner and OMNIRemote. (Graph) to display the NEXT graph for the highlighted pair Press combination.
OMNIScanner User Guide Press (Graph) to display the Attenuation graph for the highlighted pair. The Attenuation is displayed for the frequency indicated by the cursor position. Press other pairs. (Pairs) to view Attenuation results for Press ESC to exit the ATTENUATION 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.
OMNIScanner User Guide 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.
OMNIScanner User Guide 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.
OMNIScanner User Guide 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.
OMNIScanner User Guide 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 individual ELFEXT effects on each pair by the other three pairs. In the POWER SUM ELFEXT 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 PSELFEXT in decibels (dB), the limits, and the frequency.
OMNIScanner User Guide 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. (Pairs) to view Attenuation and PS NEXT graphs for other Press ESC to exit the POWER SUM ACR screen.
OMNIScanner User Guide 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.
OMNIScanner User Guide are displayed for both wavelengths. For dual fiber testing the arrows RQ at the top of the screen point out the direction of the light and indicate which fiber the result is for. Note: When measuring single-mode fiber cables OMNIScanner displays results for one wavelength; the upper (850 nm) section will be blank. Press ESC to exit the LOSS screen. Power Meter The Power Meter function reports the overall power. Use it to quickly verify and correct cabling and equipment problems.
OMNIScanner User Guide Chapter 5 - 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 quickly and easily. Press the screen.
OMNIScanner User Guide 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 distance to the fault will be displayed. Wiremap Displays The OMNIScanner icon on the left side indicates the wiring at the OMNI end of the cable link.
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 User Guide 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 funnellike 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).
OMNIScanner User Guide 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 an easier interpretation the cursor was moved.) The Link failed. Why? Press to open the TDNXT screen to further review and diagnose the graph.
OMNIScanner User Guide as the non-compliant component of the link. The following table summarizes the typical diagnosis process. NEXT TDNXT exceeds S-Band limits Conclusion PASS N/A NEXT at link is good FAIL YES Connection fails. Replace or reterminate. 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.
OMNIScanner User Guide The SELECT PAIR screen opens. Use the (Pair) function key to select the Pair you want to analyze. or to select which end, OMNIUse Scanner 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 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.
OMNIScanner User Guide distance indicates that the connection and not the installed cable failed. If Return Loss fails but the TDRL graph displays peaks within the S-Band 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 each end. Failures at both ends of the link can interact.
OMNIScanner User Guide 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.
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OMNIScanner User Guide Chapter 6 - 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. To quickly remove all Autotests from a project, highlight the project in the RESULTS screen and press the (Delete) function key.
OMNIScanner User Guide 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. 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.
OMNIScanner User Guide pass, the test name will be followed a (Fail) symbol. Note: The list of tests varies depending on the kind of Autotest that was performed. (See Chapter 4 - 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.
OMNIScanner User Guide The number of Connectors and Splices is shown at the bottom of the screen if the Autotest loss criteria is formula based. (See Appendix C for further information.) Press and or to toggle between the results for OMNIRemote. Press ESC to return to the PROJECT NAME screen. Press ESC to return to the RESULTS screen.
OMNIScanner User Guide Chapter 7 – Fiber Optic Reference Establishing the Reference Accurate, repeatable measurements of optical power and signal loss are fundamental for the installation and maintenance of fiber optics. To make an accurate measurement, you need to know the loss in your attached launch cable and the power being transmitted. OMNIScanner requires this reference value to compensate for the signal loss in the launch cable.
OMNIScanner User Guide The Reference Methods The diagrams show how to establish references with duplex launch cables. Each method will produce slightly different results. It is very important that the transmitter connections are not disturbed after the reference value is established. To assure that the effects of the connectors and launch cables are “zeroed out”, follow the instructions closely. Note: When a connector is removed and then reattached, it is unlikely to go back into the exact same position.
OMNIScanner User Guide 6. Disconnect the couplers without disturbing the fiber connections to the adapters. Method B TX RX 850 nm TX RX 850 nm 1300/1310 nm 2 m Launch Cables 1300/1310 nm For Method B two launch cables are used to set the reference. The launch cables will be canceled out for all subsequent measurements. When measuring inplant cabling, Method B adds the loss of the 2 m launch cable, which is considered insignificant. 1.
OMNIScanner User Guide Method C For Method C three launch cables and two connectors are used to set the reference. All of the launch cables and connectors are canceled. Use this method when measuring an end to end system where the patch cables need to be included in the total loss measurement. Couplers TX 850 nm RX RX 1300/1310 nm 850 nm 2 m Launch Cable 1300/1310 nm 2 m Launch Cable TX 2 m Launch Cable 1.
OMNIScanner User Guide Coupler RX TX 850 nm 1300/1310 nm 2 m Launch Cable 4. Disconnect the white fiber from both the coupler as well as the fiber adapter. Do not disturb the black fiber attached to OMNIFiber’s TX connector. 5. Leave the two white ends dangling. 6. Attach the cable to be tested to the coupler and the OMNIFiber’s open RX connector. Set Reference Note: To ensure consistent accurate measurements, the reference value must be set each calendar day that the Fiber Adapters are used.
OMNIScanner User Guide shown in Method B. For Method C: Remove the middle launch cable without disturbing the couplers. Note: Once the reference value has been set, ensure that both launch cables remain attached to the fiber adapters. Remove the couplers without disturbing the connection to OMNIScanner and OMNIRemote. When setting the Reference using Loopback or Method B, ensure that the TX (transmit) connections are not disturbed.
OMNIScanner User Guide Chapter 8 - Fiber Optic Autotests Preparing an Autotest 1. Attach the OMNIFiber adapters to the OMNIScanner and OMNIRemote units. 2. Connect OMNIScanner to the near end of the fiber you are testing and connect OMNIRemote to the far end.
OMNIScanner User Guide METHOD B To run an Autotest when Method B was used to set the Reference proceed as follows: TX METHOD B RX TX RX 850 nm 1300/1310 nm Fixed Connection Fixed Connection 1300/1310 nm 850 nm 1. Do not disconnect the 2 m Launch Cables which are attached to the TX side of the OMNIFiber Adapters (they are circled in the graphic). 2.
OMNIScanner User Guide 1. Do not disconnect the 2 m Launch Cables that are attached to the OMNIFiber adapters. 2. Remove the middle Launch Cable without disturbing the couplers. 3. Connect the link under test into the open couplers. When using Method C, the loss effects of all Launch Cables and couplers are canceled out. . 4. Press Loopback Autotest This configuration is used to test single fibers and launch cables. To run a Loopback Autotest proceed as follows: 1.
OMNIScanner User Guide 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 SPLICES/CONNECTORS screen if you are running an equation based Autotest (TIA 568A, ISO 11801, or 1000 Base F). 1. With the Splices: field highlighted, press ENTER. Use the é or ê arrow key to adjust the number of splices in your link.
OMNIScanner User Guide 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. R points to the result measured from OMNIRemote to OMNIScanner. Q points out the result measured from OMNIScanner to OMNIRemote. The overall test result 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.
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OMNIScanner User Guide Chapter 9 - Uploading and Printing Microtest Utilities Microtest Utilities consists of three parts: the ScanLink program, the OMNIScanner Configuration program, and the OMNIScanner Remote Control program. ScanLink is designed to upload data measured with OMNIScanner, PentaScanner or CertiFiber. Collected data can be viewed, saved to disk, or transferred into the MT Crimp for Windows database, where Autotests can be managed.
OMNIScanner User Guide 9-2
OMNIScanner User Guide Chapter 10 - Updating Scanner Software Downloading Software from the Microtest WWW Software updates can be easily downloaded from the Microtest World Wide Web site. If you are connected to the Internet, you can access our web site by entering http://support.microtest.com in the URL address field. 1. Select the Software Download Index in the Microtest Customer Support section. 2. Click on Network Management Software, and then click Product Updates. 3.
OMNIScanner User Guide 2. Turn OMNIScanner off. 3. Plug the AC adapter into OMNIScanner. 4. Turn OMNIScanner back on. You are now ready to download the new flash update from the PC. Follow the instructions in the ReadMe that accompanies the update file. 5. To verify the software update, press and hold the Backlight key (located right above the ESC key). The software version # will be displayed Updating OMNIRemote Software from the PC Note: The update process will erase all test results stored in memory.
OMNIScanner User Guide 5. Plug the AC adapter into OMNIRemote. 6. Turn both units on. You are now ready for the new flash update from the PC. Follow the instructions in the ReadMe that accompanies the update file. (Setup) function key, 7. To verify the update, press OMNIScanner’s and then select the option Remote Info. The new software version will be displayed.
OMNIScanner User Guide 10 - 4
OMNIScanner User Guide Appendix A - Technical Specifications Specifications apply to both OMNIScanner and OMNIRemote unless otherwise noted. Physical Characteristics OMNIScanner · Dimensions: 8.75” x 4.50” x 2.12” (22.25 cm x 11.4 cm x 5.4 cm) · Weight: 2.20 lbs (1 kg) OMNIRemote · Dimensions: 8.75” x 4.50” x 2.12” (22.25 cm x 11.4 cm x 5.4 cm) · Weight: 1.96 lbs (0.89 kg) OMNIFiber · Dimensions: 3.54” x 3.88” x 1.55” (9 cm x 9.85 cm x 3.94 cm) · Weight: 0.24 lbs (0.
OMNIScanner User Guide OMNIFiber LED Displays · 850 nm Indicator (GREEN) for transmitting at 850 nm · 1300 nm Indicator (GREEN) for transmitting at 1300 nm · 850 nm Indicator (ORANGE) for switching fibers · 1300 nm Indicator (ORANGE) for switching fibers Power · · · · · · Removable, rechargeable battery pack 9.6 Volts @ 1200 mA-Hr NI-CD Built-in fast charger using AC adapter Charging Time: 3 hours for fully discharged batteries.
OMNIScanner User Guide OMNIScanner Autotest Functions · Full suite of tests to determine if cable meets generic cabling or network type requirements.
OMNIScanner User Guide OMNIFiber Test Functions · · Multi-mode Fiber: Length, Propagation Delay, Loss Single-mode Fiber: Propagation Delay, Loss Transmission Performance Measurement Method All cabling transmission performance measurements (NEXT, RL, Attenuation, and ELFEXT) are implemented using swept frequency domain, vector, digital signal processing measurement methods to ensure accurate, repeatable results.
OMNIScanner User Guide · Measurement Resolution: 0.1dB Return Loss · · · · · · Measures Return Loss on all four pairs from both directions using OMNIRemote Frequency Range: 1.0 to 300 MHz Dynamic Range: 0-25dB Factory Calibrated to ensure measurement port match to reference 100 ohm impedance. Measurement accuracy: Designed to meet Level III accuracy requirements. Measurement resolution: 0.1dB Attenuation · · · · · Tests all four pairs using OMNIRemote as far end active signal injector.
OMNIScanner User Guide Length · · Range: 0 to maximum distance, where max. distance = 457 m (1500 ft.) for twisted pair cable Accuracy: ± K ± Length resolution ± NVP uncertainly, where K = ± 4% of length or 0.6 m (2ft.), whichever is greater. Length resolution: 0.3 m (1ft.) Resistance · Range: Accuracy: 0 - 500 W ± 0.5 W @ 0 to 15 W ± 2% @ 15 to 500 W Resolution: 0.
OMNIScanner User Guide voltage of greater than ±15 volts is applied on the inputs and sounds a warning to alert the user to remove the hazard condition immediately to prevent possible damage to the input circuits. Note: Measurements cannot be performed when hazard conditions are present.
OMNIScanner User Guide A-8
OMNIScanner User Guide Appendix B - Batteries Battery Packs OMNIScanner and OMNIRemote are powered by rechargeable, recyclable battery packs. Under various state and local laws, it may be illegal to dispose of this battery pack into the municipal waste stream. Check with your local solid waste officials for details in your area for recycling options or proper disposal. To remove the battery pack, place the instrument face down and slide the arrow-shaped tab downward.
OMNIScanner User Guide OMNIScanner and OMNIRemote use a charging mechanism that minimizes the effects of shallow discharging. To maximize battery life, the battery temperature is monitored and maintained within limits during the charging process. Charging under high temperature conditions may result in longer recharge times or premature termination of charging.
OmniScanner User Guide Appendix C - OMNIFiber PASS/FAIL Criteria Autotest Maximum 850nm Loss Maximum 1300nm Loss Maximum Prop. Delay Length TIA 568A Formula 1* Formula 2* N/A 2000m 11801 Equation Formula 3* Formula 4* N/A 1500m 1000Base-SX 50 micron 3.9dB N/A N/A 550m 1000Base-SX 62.5 micron 3.2dB N/A N/A 220m 1000Base-LX 50 micron N/A 3.5dB N/A 550m 1000Base-LX 62.5 micron N/A 4.0dB N/A 550m ATM 155 N/A 10.0dB N/A. 2000m ATM 155 SWL 7.
OmniScanner User Guide Fiber Channel Data Rate Length 100-M6-SL-I 175m 50-M6-SL-I 350m 25-M6-SL-I 700m 12-M6-LE-I 1500m Formula 1: 568A Equation for 850nm fiber: (# of mated connections x 0.75) + (# of splices x 0.3) + (length x 3.75dB/1000m) = OLB* Formula 2: 568A Equation for 1300nm fiber: (# of mated connections x 0.75) + (# of splices x 0.3) + (length x 1.5dB/1000m) = OLB* Formula 3: 11801 Equation for 850nm fiber: (# of mated connections x 0.75) + (# of splices x 0.3) + (length x 3.
OmniScanner User Guide Appendix D - Cable Pin-Outs Described below are the functions of the electronic signals transmitted through each pin in a connector.
OmniScanner User Guide Cable Pin-Out Signals The signals for the cable pin-outs are as follows: DB-9 Male Pin DB-25 Female Pin DB-9 Female Pin Signal Signal Description 5 3 2 7 8 4 6 1 9 7 2 3 4 5 20 6 8 22 5 3 2 7 8 4 6 1 9 Protective Ground Transmitted Data Received Data Request to Send Clear to Send DataTerm Ready Data Set Ready Received Line Signal Detector Ring Indicator D-2 GND TXD RXD RTS CTS DTR DSR CD RI
