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Chapter 5

Running an Autotest 54

Press the

Settings

button to customize the displayed plot.

The Grapher Setup screen allows you to select which pairs or pair combinations
to view and the displayed frequency range. The available frequency range
choices depend on the maximum frequency setting.

Selected pair
combinat ion

Worst case
plot select ed
in Grapher
Setup
screen

Содержание WireScope 350

Страница 1: ...www wirescope com W i r e S c o p e 3 5 0 U s e r s G u i d e...

Страница 3: ...curs as a result of the Buyer s circuit or any defects that result from Buyer supplied products NO OTHER WARRANTY IS EXPRESSED OR IMPLIED AGILENT TECHNOLOGIES SPECIFICALLY DISCLAIMS THE IMPLIED WARRAN...

Страница 4: ...OVERVIEW 17 WireScope 350 hardware 17 Color touch screen user interface 17 CompactFlash memory card slot 17 Digital fault finding 18 Ports 18 SmartProbe test port 18 Serial port 18 USB ports 18 Talkse...

Страница 5: ...5 The autotest result summary screen 46 Saving test results 48 Using the typewriter style keyboard 48 Using the keypad 48 Using the list 49 Using auto increment 49 Starting the next autotest 50 Viewin...

Страница 6: ...test Settings 79 Editing fiber autotest settings 79 Fiber Test Configuration Setup 80 Loss Limit 81 Length Limit 82 Network Certification 83 Site Settings 83 Specifying the fiber cable 86 Modal Bandwi...

Страница 7: ...cords and memory capacity 111 Viewing memory status 112 Using CompactFlash cards 113 Installing WireScope 350 software from a CompactFlash card 114 Downloading autotest profiles from a CompactFlash ca...

Страница 8: ...0 USB B port 140 Talkset connector 3 6 mm phone jack 140 CompactFlash card slot 140 Measurements 141 Wiremap 141 Length 141 Propagation delay and skew 141 Near end crosstalk NEXT 141 Attenuation 142 R...

Страница 9: ...tion 145 Remote Calibration 145 Environmental Calibration Internal 146 Field Verification of Baseline Accuracy 146 Self Test on a WireScope 350 146 Self Test on a DualRemote 350 146 APPENDIX C 147 LEG...

Страница 10: ...it are listed below Professional kits contain additional items and the kit is contained in a hard carry case instead of the nylon carrying case Part No Qty Description N2600A 1 WireScope 350 N2600A 1...

Страница 11: ...limited warranty against defects in materials and workmanship is contained in the Read Me First information packet supplied with your kit Optional extended warranties for analyzers and accessories ar...

Страница 12: ...nformation screen displays serial numbers and hardware and software version numbers for all of the key subsystems of your WireScope 350 test set Both the WireScope 350 and DualRemote 350 consist of a...

Страница 13: ...Chapter 1 Introduction 12...

Страница 14: ...son all certification testing requires a two part test set consisting of a main unit and a remote unit each of which contains similar test capabilities One unit tests the cabling run from the telecomm...

Страница 15: ...and DualRemote attach to the link under test via special link test probes which are terminated in male modular 8 plugs Channel configuration The channel test configuration is intended to provide a co...

Страница 16: ...rocess driven by technology innovations and market forces As a consequence there has been and will continue to be an ongoing evolution in the certification requirements specified for commercial cablin...

Страница 17: ...Chapter 2 Cable Testing Overview 16...

Страница 18: ...improves comprehension of test data resulting in faster operation and reduced training times CompactFlash memory card slot The WireScope 350 stores test result data including plot data on removable Co...

Страница 19: ...erface for communication with a PC for software upgrades or data transfer An 8 pin DIN to DB 9 cable is included USB ports The WireScope 350 incorporates a universal serial bus USB interface to provid...

Страница 20: ...current time set on the WireScope 350 talkset status battery status and storage status The talkset icon appears when the talkset is plugged in The power status icon shows the current battery state The...

Страница 21: ...eys wakes it up to the state it was in before it went to sleep Pressing and holding the power key for over one and a half seconds shuts down the unit Pressing the OK Key is equivalent to pressing the...

Страница 22: ...rnative ways to enter text Using a typewriter style keyboard Using a telephone style keypad Picking from a list of entries When using the telephone style keypad you can enter text by first pressing th...

Страница 23: ...ey you launch the help window which describes the current screen Help screens may contain text graphics and hyperlinks to further information While in the help window the following buttons are availab...

Страница 24: ...Scope and DualRemote pair that you will use Remote calibration is a process that allows the WireScope to compensate for any slight anomalies in its measurement hardware or that of the companion DualRe...

Страница 25: ...important to use the correct test probes in order to achieve optimal measurement results particularly for category 6 installations the WireScope 350 warns you whenever it detects a potential conflict...

Страница 26: ...is brings up the Autotest Setup screen Press Select Settings Profile The Select Settings Profile screen is displayed enabling you select a stored profile For our example select Default Cat 5e Click OK...

Страница 27: ...Setup screen summarizes a few key settings You can either start an autotest from this screen or edit settings To view and edit any autotest settings from the Autotest Setup screen press Edit Settings...

Страница 28: ...new an autotest profile as directed on page 40 Standard profiles for Cat 5 Cat 5e and Cat 6 are pre defined in WireScope software Setting cabling limits Perhaps the most important setting is the cabl...

Страница 29: ...TM Network certification can be in addition to certification to cabling limits A pass result for a particular network technology i e 100 Mbps Ethernet indicates that the tested cable run meets the sig...

Страница 30: ...e label with only one field i e cable number A hierarchical cable label that contains multiple fields i e building floor telecom room panel port number Select the site icon and press or the Edit butto...

Страница 31: ...continue site setup Select which fields to include in the hierarchical cable label Press or Next to continue on to auto increment settings within site setup Setting up cable label auto increment beha...

Страница 32: ...able specifications it is important to input accurate values for the nominal velocity of propagation NVP for each cable pair Failure to do so will produce inaccurate cable length and distance to fault...

Страница 33: ...necting hardware You can use this setting to store information in each test record about the type of connecting hardware used to terminate the tested cable runs You can either select the connecting ha...

Страница 34: ...ress or Next The Connector Setup configuration screen prompts you to either enter edit a connector description or select one from the list already stored on the WireScope 350 If you see the part numbe...

Страница 35: ...t Setup screen select cable pairing and press or Edit Setting measurement options The selected cabling performance limit determines the minimum set of measurements required The measurement options set...

Страница 36: ...You can specify optional measurements and analyses to be included in the autotest by checking the applicable boxes You can also set the frequency step size and the format used to store pair to pair EL...

Страница 37: ...ext You can also specify whether the WireScope 350 automatically calculates the fault location at the end of a failing autotest Agilent Technologies recommends that you leave this setting selected unl...

Страница 38: ...e limit Select the test frequency icon and press or the Edit button to change the maximum test frequency Plot storage setting The WireScope 350 can store either a summary data set or a full data set i...

Страница 39: ...s setting Usually a two person team operates the WireScope 350 You can store the names of both the main unit operator and the remote unit operator in each test record You can also store information ab...

Страница 40: ...probes and based on this information and the selected connector and cabling limit settings warn you if there is a potential misconfiguration before testing starts In addition to providing a high perf...

Страница 41: ...pe 350 settings profile stores any or all of the settings needed to run an autotest You can save the current state of the WireScope 350 to a settings profile so that you quickly restore settings later...

Страница 42: ...rofile To select an existing profile press Select Existing Profile then press the profile name displayed My Cat 6 in the example screen and press or Next The display returns to the Autotest Settings s...

Страница 43: ...configuration i e Category 6 channel or you can select Auto based on probe recommended If you select Auto based on probe the WireScope 350 will adjust the test limit for any performance grade based o...

Страница 44: ...ngs process Starting from the Main Menu screen press or Autotest At the Autotest Setup screen press Select Settings Profile Select the settings profile that you wish to use and press or OK to complete...

Страница 45: ...Chapter 4 Preparing to Run an Autotest 44...

Страница 46: ...To start an autotest from the Main Menu screen press or Autotest This brings up the Autotest Setup screen If you need to you can review settings from this screen before you start the autotest Press ag...

Страница 47: ...f the calculate fault location option is turned on the WireScope 350 will automatically calculate the distance to the most likely failure source in the tested cable run Measured length of cabling run...

Страница 48: ...described in next section Start a new autotest by pressing the Start button this results in the following message being displayed Continue by pressing or the Yes to discard the measurement or press No...

Страница 49: ...can pick an previously saved label from a list Or if a label list has been loaded you can select a label from the list of cable IDs Using the typewriter style keyboard When you press the Save button...

Страница 50: ...switch to list mode Using auto increment Often if you are testing cabling runs in a predictable sequence it can save time to configure the WireScope 350 to auto increment cable labels With auto incre...

Страница 51: ...st by pressing the Start button If you have already saved the previous test the autotest will start without any further delay If you have not yet saved the previous test a dialog box will pop up to co...

Страница 52: ...rement is listed together with a summary result Passing results are marked with a green check Failing results are marked with a red cross Measurement results not used in determining overall pass fail...

Страница 53: ...egory 6 basic link for three of the six possible pair combinations The data table shows the values and margins for the worst case frequency point for the selected pair or pair combination Negative mar...

Страница 54: ...s the Plots button The Plots screen shows frequency plots for all of the measured pairs or pair combinations For some measurements plots from both the WireScope 350 and DualRemote 350 are superimposed...

Страница 55: ...yed plot The Grapher Setup screen allows you to select which pairs or pair combinations to view and the displayed frequency range The available frequency range choices depend on the maximum frequency...

Страница 56: ...t Data screen Press the Locator button By default the Locator screens open with the pair or pair combination selected which has the worst margin You can select other pairs or pair combinations by touc...

Страница 57: ...light green or red at the end of any test to signal the status of each pair Any pair involved in a failure condition will light in red Warning indicators The warning indicators alert the DualRemote 35...

Страница 58: ...ery LED indicates the current state of the DualRemote 350 battery When the DualRemote 350 is plugged into the AC charger A solid green color means the battery is charging A flashing green color means...

Страница 59: ...on ELFEXT pair to pair or power sum Return Loss Other any other failing measurement In the event that the cabling run has multiple test failure causes i e NEXT and Return Loss you can use the key to s...

Страница 60: ...n interface By running a certify network test you can determine whether the tested cabling run can successfully support the selected network application s Operation You can either run the Certify Netw...

Страница 61: ...Networks settings are a subset of the Autotest settings and can be edited using the same procedures outlined in chapter 4 To start the Certify Networks test return to the Certify Networks setup scree...

Страница 62: ...ypes tested and a summary result You can view more detail about the tested networks by pressing the Details button The Networks Data screen will appear Select the network result you wish to view detai...

Страница 63: ...Chapter 6 Certify Networks 62...

Страница 64: ...nctions that you can run from the WireScope 350 To access the test functions under the tools menu press the Tools button on the main menu Tools The Tools menu contains three tools Quick Check Blink Hu...

Страница 65: ...ntinuity and pairing without doing a full autotest Operation From the Tools menu screen press the Quick Check button The quick check starts immediately Results The quick check summary result screen in...

Страница 66: ...pears plug the WireScope 350 into a cable run that terminates in a hub or switch port and press the Blink Hub Port button Results The WireScope 350 applies a periodic 10BaseT link pulse sequence to th...

Страница 67: ...with an open circuit at the far end of the cable under test Operation From the Tools menu press the Learn NVP button Attach a known length of cable to the WireScope 350 only Do not connect the far end...

Страница 68: ...connected to the WireScope 350 The far end of the cable must not be connected to the DualRemote 350 and must not be terminated i e open ended Operation From the Tools menu press the Measure Length bu...

Страница 69: ...Chapter 7 Tools 68...

Страница 70: ...Autotest Only a subset of the tester settings applies to Coax testing These settings are shown on the screens below Operation Insert the Coax probe in the WireScope 350 s SmartProbe port and connect i...

Страница 71: ...cation of these networks Press the Start Test button from the Autotest Setup screen to perform the Coax Autotest or Certify Network test Results After the test has completed the Autotest result screen...

Страница 72: ...own above Press the Edit Settings button to change any settings A detailed description of the Autotest Setup and Autotest Settings screens can be found in Chapter 4 It may be necessary for you to add...

Страница 73: ...length and cable integrity Twinax cable integrity includes the detection of a properly connected shield These results are shown in both the diagram at the top of the screen and the table at the bottom...

Страница 74: ...Probe product line consists of a family of fiber optic test probes each of which can function as both a transmitter and a detector LED based Fiber SmartProbes support both 850nm and 1300nm wavelengths...

Страница 75: ...Ended measurements require that fibers be tested in pairs in a loopback configuration The advantage of Single Ended testing is that only one Fiber SmartProbe is required Fiber SmartProbe Both fibers...

Страница 76: ...iberProbes The WireScope 350 has the ability to detect the characteristics of the attached Fiber SmartProbes Based on this information this interface automatically brings up the Fiber Main Menu screen...

Страница 77: ...llows the WireScope to obtain the reference level for measurement In particular you must insert the required Fiber SmartProbes Before running any fiber optic tests Fiber SmartProbes need to be calibra...

Страница 78: ...ort test cables and a coupler between them Press Calibration from the Fiber Main Menu Select the Single Ended option in the Fiber Calibration screen Press Next or the button to continue When the WireS...

Страница 79: ...of the other Make sure that a coupler is connected correctly with each duplex cable Press Calibration on the Fiber Main Menu and select Double Ended Press Next or to continue The next screen displayed...

Страница 80: ...edit settings To view and edit any fiber autotest settings from the Fiber Autotest Setup screen press Edit Settings The Fiber Autotest Settings screen shown above on the right will open up The Fiber A...

Страница 81: ...ed testing requires two Fiber SmartProbes allowing fibers to be tested either in pairs or individually To select Single Ended or Double Ended Mode select the Setup icon and press the or the Edit butto...

Страница 82: ...oss limit value for each applicable wavelength If a multimode cable is selected you will be asked to specify overall loss budgets for 850 nm and 1300 nm wavelengths If a singlemode cable is selected y...

Страница 83: ...y the loss Km specification of the selected cable These specifications are shown at the bottom of the Setup screen Press OK or to complete the setup You will be returned to the Fiber Autotest Settings...

Страница 84: ...ork Limits from the list of autotest settings and press or the Edit button to open the Fiber Networks Setup configuration screens Check the boxes corresponding to the network types you wish to certify...

Страница 85: ...e site settings You can either select an existing site name if you already have one loaded or enter a new site name Press Create New Site Name and press or Next to continue To enter a new site name pr...

Страница 86: ...button on the Site setup screen Press or Next to continue site setup Select the fields to include in the hierarchical cable label Press or Next to continue on to auto increment settings within site s...

Страница 87: ...rate cable length measurements To enter cable information starting at the Fiber Autotest Settings screen select the cable icon and press or Edit The first Cable Setup configuration screen prompts you...

Страница 88: ...s than fiber with a smaller modal bandwidth The modal bandwidth settings will only appear if a 62 5 125u or a 50 125u fiber cable is selected The actual loss and length limits for 1000Base SX at 850nm...

Страница 89: ...WireScope 350 in determining the test configuration Some connectors such as MT RJ do not allow for fiber swapping Selecting this type of connector will disable the swap feature used in Double Ended t...

Страница 90: ...o not see the connecting hardware you are using already listed in the WireScope 350 select Add New Description and follow the instructions to add the specification data for the new connector Save to S...

Страница 91: ...nformation about which end of the cable run each unit tested for example main unit in telecom closet and remote unit at user location Select the Operators icon and press or the Edit button to enter or...

Страница 92: ...d the proper settings To start an Autotest from the Fiber Main Menu screen press or Autotest This brings up the Fiber Autotest Setup screen If you need to you can review settings from this screen befo...

Страница 93: ...he Fiber Autotest Setup screen the screen shown below will appear The Fiber Autotest screen shows the current state of the fibers connected to the Fiber SmartProbe The WireScope 350 constantly monitor...

Страница 94: ...uration Once a valid configuration is detected the cable connection s are drawn and the Start Test button is enabled Press Start Test or to begin the Fiber Autotest If the test configuration is a 2 fi...

Страница 95: ...f LEDs are used during fiber testing Progress Indicator The three Progress Indicator LEDs are used to aid you in monitoring and performing a Double Ended autotest The following states are possible Pas...

Страница 96: ...layed below From the Fiber Autotest Result screen you can either Save the current test result by pressing the Save button Start a new autotest by pressing the Start button View detailed result data by...

Страница 97: ...can save time to configure the WireScope 350 to auto increment cable labels With auto increment you dramatically reduce the amount of data entry that you must do To setup cable label auto increment p...

Страница 98: ...assing results are marked with a green check Failing results are marked with a red X Measurement results not used in determining overall pass fail status are marked to signify that these results are f...

Страница 99: ...Chapter 11 Running Fiber Autotest 98...

Страница 100: ...terface By running a fiber certify network test you can determine whether the tested cabling run can successfully support the selected network application s Operation You can either run the Certify Ne...

Страница 101: ...lined in Chapter 7 To start the Certify Networks test return to the Certify Networks setup screen and press or press the Start Test button Screens similar to the ones above will step you through the t...

Страница 102: ...tions on this screen behave the same as those found on the Fiber Autotest screen See Chapter 10 You can view more detail about the tested networks by pressing the Details button The Networks Data scre...

Страница 103: ...Chapter 12 Fiber Certify Networks 102...

Страница 104: ...nctions that you can run from the WireScope 350 To access the test functions under the Fiber Tools menu press the Tools button in the Fiber Main Menu The Fiber Tools menu contains five tools Loss Mete...

Страница 105: ...er shows the current test configuration and constantly updates the measured loss values for all applicable wavelengths in real time The Fiber Loss Meter screen shows the results of the measurement in...

Страница 106: ...e button will only appear when the WireScope 350 detects a valid fiber connection Press the Measure or button to update the length and delay values for each fiber in the Data Table Quick Setup Overvie...

Страница 107: ...ed in the WireScope 350 has been calibrated see Power Meter Calibration below the screen below on the right will appear This is the Fiber Power Meter tool The Data Table shows a constantly updating po...

Страница 108: ...ars whenever a new Fiber SmartProbe is detected upon entering the Power Meter tool Pressing the Calibrate button on the Power Meter screen will also bring up this screen The WireScope 350 constantly m...

Страница 109: ...l Velocity of Propagation of an unknown cable type provided you have a known length Cable samples must be at least 50 feet or 15 meters long Longer samples produce more accurate NVP measurements The t...

Страница 110: ...s the Fiber SmartProbe waiting for a valid test configuration Once this valid configuration is detected the aninmation of the fiber connection stops and the Measure button is enabled Press Measure or...

Страница 111: ...Chapter 13 Fiber Tools 110...

Страница 112: ...plots the size of the result file depends on the maximum frequency selected and on how many additional measurements you add into each autotest The WireScope 350 allocates approximately 4MB of internal...

Страница 113: ...tFlash memory card is To see more detailed information about the status of the current memory location press System on the main menu The System Settings screen will appear Select the memory setting an...

Страница 114: ...alog box appears Press the Yes button to begin configuring the CompactFlash card The Storage Setup screen will appear Select CFlash Card and press or Next to continue Before the WireScope 350 can begi...

Страница 115: ...utes CAUTION Do not turn off the WireScope or remove the battery during de fragmenting To do so will likely result in the permanent loss of stored information Installing WireScope 350 software from a...

Страница 116: ...st results storage Press the Next button to continue with loading WireScope 350 software from the CompactFlash card After the software upload is complete the WireScope 350 will merge any test results...

Страница 117: ...e autotest profile is now ready for your selection and use For our example the profile is named test To view and select the profile from the Autotest Setup screen press Edit Settings On the next scree...

Страница 118: ...tests from the Database menu screen press or the Tests Database button The tests database screen will appear showing a summary listing of saved test results Each saved result has an associated summary...

Страница 119: ...saved record will appear You can view details of the saved test by pressing the Details button For more information about interpreting test result details see Chapter 6 To review the settings that wer...

Страница 120: ...view press the Settings button The first Database Setup screen will appear Select the site that you wish to view records from The number of records currently saved in each site is shown after the sit...

Страница 121: ...he results will be listed in the order that they were collected If you select Order Result List by Cable Label and if the site you are viewing uses a hierarchical cable label format you have the furth...

Страница 122: ...rompts you to select all listed records in the database or the selected record default To continue deleting the test s press Delete the test record s CAUTION Deleted test records cannot be restored Th...

Страница 123: ...en will appear Select the site you wish to generate a report for and press or the Next button The number of results store in each site appears after each site name in the list z Successive database re...

Страница 124: ...hich defines which test records are included in the report the WireScope 350 analyzes the saved test results and generates a summary report Totals for site Totals for site today Site database used for...

Страница 125: ...ng choice and pressing or the Next button The number after the site name is the number of results saved for that site When creating a new site you must enter a name for the site and select and specify...

Страница 126: ...gth measurements To view the specifications for any cable in the WireScope 350 database from the database menu screen press the Cable Specs button Select the cable manufacturer from the list and press...

Страница 127: ...pecially important when testing Category 6 cabling runs To view the specifications for any connector in the WireScope 350 database from the database menu screen press the Connecting Hardware button Se...

Страница 128: ...on System information The system information screen shows the serial numbers and hardware and software version information for both the WireScope 350 and for the last calibrated DualRemote 350 unit To...

Страница 129: ...ave test results to the CompactFlash card Otherwise the default choice is to save results to the internal flash memory Select the current test results storage icon and press or the Edit button to chan...

Страница 130: ...screen select the Time and Date icon and press or the Edit button to change time and date settings User interface You can set preferences for feet or meters screen brightness sounds and the time delay...

Страница 131: ...reen setting consumes more battery power For this reason Agilent Technologies recommends that you set the backlight brightness to the lowest setting that provides adequate screen readability in the en...

Страница 132: ...ore you attempt to calibrate the touchscreen Calibrating the touchscreen with a larger pointing device such as your fingertip may degrade the alignment of the touchscreen calibration Select Calibrate...

Страница 133: ...controls the data rate when communicating with the WireScope 350 over the serial port To manually change the serial port data rate from the System Settings screen select Serial Baud Rate and press or...

Страница 134: ...e demonstration mode is convenient for training or for taking a quick tour of the WireScope 350 user interface When demo mode is off the WireScope 350 functions normally and performs real tests To tur...

Страница 135: ...were calibrated The region at the bottom lists the software revision of the two units followed by the date the last calibration copper or fiber was performed in the field Autoprint The Autoprint feat...

Страница 136: ...proves testing productivity Operation Insert the talkset plug into the Headset connector on both the WireScope 350 and the DualRemote 350 see page 140 to enable simultaneous two way voice communicatio...

Страница 137: ...Chapter 16 Using the Talkset Option 136...

Страница 138: ...r Setup Configuring the WireScope 350 to print to the Brady printer is a simple process From the Main Menu select System From the System Settings menu select the Autoprint option and then press Edit T...

Страница 139: ...hierarchical site ID Select from an imported cable ID list Printing the Cable ID Once you have completed the test and saved the test result the WireScope will automatically detect the Brady TLS2200 pr...

Страница 140: ...Number N2605A 135 7 2 VDC 3800 mAh Power converter External AC to DC power converter Part Number N2595A 110 for 110 VAC models Part Number N2595A 210 for 220 VAC models supplies 12 VDC 1 2 A to the Wi...

Страница 141: ...350 and DualRemote 350 The USB B port allows the WireScope 350 or DualRemote 350 to connect to a PC equipped with a USB port Talkset connector 3 6 mm phone jack WireScope 350 and DualRemote 350 Suppo...

Страница 142: ...et 330 M Propagation delay and skew The Propagation delay function measures the one way propagation delay over each pair of the cabling run under test Accuracy 4 or 1 nanoseconds whichever is greater...

Страница 143: ...el far end crosstalk ELFEXT Measures far end coupling between pairs in the cabling run under test Measured for all pair combinations Frequency Range 1 350 MHz Frequency Step Size 125 kHz 250 kHz 500 k...

Страница 144: ...r in the tested cabling run Range 5 1 000 W Accuracy 5 Ambient noise Measures the ambient noise spectrum of each pair immediately after the autotest Frequency Range 1 350 MHz Sensitivity 0 1 mV RMS Ac...

Страница 145: ...ceed 10 of the nominal voltage Installation overvoltage Category II Pollution degree 2 Symbols On Off DC power input AC adapter tip polarity This symbol indicates a positive DC voltage on the outer ba...

Страница 146: ...nstrument and then zeroing out any differences between the field test equipment and the reference instrument The resulting calibration data is automatically downloaded to the WireScope 350 or DualRemo...

Страница 147: ...obe makes use of the SmartProbe port interface in the WireScope 350 and DualRemote 350 to automate the setups required to perform this function Self Test on a WireScope 350 Make sure that the WireScop...

Страница 148: ...e fiber networks are each listed with its corresponding wavelength Copper Network Pairs Used Token Ring 4 Mbps Active 3 6 4 5 4 Mbps Passive 3 6 4 5 16 Mbps Active 3 6 4 5 16 Mbps Passive 3 6 4 5 100B...

Страница 149: ...Appendix C Legacy Networks 148...

Страница 150: ...350 can run even longer between recharges because it does not have a color screen and therefore consumes less power while operating To maximize battery run time you should Set the screen backlight br...

Страница 151: ...ke sure that the AC DC power converter is not plugged in to the charger port Flip out the stand at the back of the unit and press the battery release tab to release the top edge of the battery pack Ro...

Страница 152: ...aking battery with extreme care If you come in contact with the electrolyte wash the exposed area with soap and water If the electrolyte contacts the eye flush the eye with water for 15 minutes and se...

Страница 153: ...Appendix D Battery information 152...

Страница 154: ...sion information 11 Hierarchical cable labels 30 85 Keys 20 Learn Fiber NVP 108 Legacy Networks 147 Length and Delay 105 Length Limit 82 Length units 129 Link configuration 14 Locating faults 55 Loss...

Страница 155: ...probes See SmartProbe Time and date 129 Twinax Testing 71 typewriter style keyboard 21 USB ports 18 Using CompactFlash cards 113 Version information 11 Viewing memory status 112 Warranty Extended 10 S...

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