Manual - Test Equipment Depot
Contents
1. 17 User s manual for NET 200 B To save the test results select SAVE Figure 13 Saving Plots Memory sector where the test is to be saved If the sector is not empty it will be highlighted To change the memory sector press 4 Fields of test information To enter string press A to change the highlighted field then press m You can use FILE NAME as the filename and LOCATION as the location where the current test is performed The Last saved filename and location is automatically loaded You can save under a different name When the tester defaults to factory settings filename is Cab1 and location is Site1 Fields for location and name entry amp gt moves the cursor and aY changes the highlighted character To exit this menu without saving press EP or e 5 Tostore the result press 113 If the memory sector chosen is not empty the tester asks you if you wish to overwrite Select the relevant response using 4 b press m Caution If you overwrite the data on the sector the previous data stored in that sector will be permanently erased 18 User s manual for NET 200 B To load the stored test results select LOAD Qoo ocooo o Figure 14 Loading and Comparing Plots Memory sector to be loaded To change the memory sector press q b Information fields To exit this menu without loading any data press DW or 4 To load the result press a then the tester asks you2. Coaxial Test Network Analysis User s manual for NET 200 Specification Graphic TDR Numeric TDR selecting function Resolution 10 cm VOP 66 7 Display 12 8 m 1 km Range Graphic up to 1 km Numeric 5 m to 0 5 km Accuracy Graphic 0 9 96 of reading or 0 5 m Numeric 2 0 of reading or 0 5 m Connector BNC type Analyze network structure and situation by ping test DHCP Fixing IP test Link partner ability measurement 10M half 10M full 100M half 100M full 10M half 10M full 100M half 100M full duplex support function MAC address editing IP scan IP MAC address netbios name Link blink Range Test Wiremap Test Crosstalk Test Impedance Test Graphic Numeric TDR Graphic TDX Resolution 10 cm VOP 66 7 Display 12 8 m 500m TDR Graphic up to 300 m Numeric 5 m to 300 m TDX Up to 300 m Accuracy 4 0 96 of reading or 0 5m Pass Fail Standard test 10 Base T 100 Base TX 1000 Base T Graphic display Accuracy 10 90 User s manual for NET 200 Resistance measurement Range 0 50 kO Buzz and output of pertinent resistance below 1500 Output of approximate resistance on 150 50 kO Continuity test Auto measurement Automatic Test 10Base T 100Base TX 1000Base T basic provisions about Wiremap Wirelength Crosstalk test Saving Function TDR graph 20 ea LAN 10 ea Coax 10 ea Automatic testing res
3. Ee SCROLL CURSOR 1 CURSOR 2 PULSE WIDTH Figure 18 Selecting Mode for Arrow Buttons Select an item using the 4 amp or F buttons then press the e button to select The cursor buttons will now operate in future tests as assigned in the waveform display For example if the user selects PULSE WIDTH then the width of the measuring pulse can be increased or decreased using the q b 8 Measurement Accuracy and VOP If the VOP is set accurately the tester performs at an accuracy of 0 9 96 of reading or 0 5m for coaxial and 4 96 of reading or 0 5m for UTP and STP cables For cables less than 5 metres in length the accuracy is 10 However in general metallic cables with uneven capacity and inductance can show less accuracy than other well made communication cables since the VOP may not be constant along the cable Even if the theoretical VOP of cables was calculated through permittivity at the time of production the actual VOP of cables can be a little different from theoretical one The actual VOP may be a little higher than the expected value since it cannot be guaranteed that the space between the metallic wires is completely free of contaminants 23 24 User s manual for NET 200 In twisted pair cables the VOP gets affected by the degree of twist on the wires inside the cables The insulation between two of the wires increases with the increased twisting which reduces the amount of air thus increasing the
4. Overview Of Features 2 Eno soe rebus Du luct ates eia NM Pai usos a Soda we 3 PoysSICal FEAtUrGS ecane a lias lanapuidadecadeamataseneeciies 4 CONNEC OADE EE DOO T 6 CI Eee M 7 Setting System Parameters ssssssssssessseseeeeeenne nennen nennen nennen nnne nnns 8 Bale Seino Ser normal OD edema dd EUM quic LU LM omma Pru RIP CIE NI eMe CECI ER 9 6 2 Setting System Selpi aaaea aoaie 10 Communication with External Devices sssssesseeeeeeenennnnn nnns 12 L Uploading Stored Dalat9 QP ossis UR pM D DU tamus anota fusus 12 22 SPHBUIG ESL RESUS ienirst owes aa 12 BLEU TRE UU ts tanec satan 14 9 1 Operation PHDelple5 5 doe Le Sabe REEL opima mau i en CE ee EI ee 14 9 2 TOR FUNCION arero E O O 15 8 3 CAN Graphi and Coax Gra pi C sse enaena aaan connesso eru E UE um O 16 gA CAN NUMGIC iias a 21 Boe COV INUIN ENC asses comederit e E eee 22 8 6 Assigning Mode to Arrow Buttons and Selecting Pulse 23 8 7 Measurement Accuracy and VOP ssssssssessssseseeeeeeennne enne 23 FOSS alk COMING hoses ccc ER EPUM soos eee E 25 PE FINITE OS Erect res cto een TRKOKC e m 26 10 11 12 13 14 15 User s manual for NET 200 92 Cei ea ULM M 28 Wiremap Estee err T 29 VST OGG ATIS SIS ELCHE vat aad tractat EA cet ce A tenens tote tite E AE NC
5. SH does for shorted pair 4 amp WV moves the highlighted pair To see more details for the pair press DD then you can see the TDR plots for the highlighted pair See Section 8 3 To perform the test again press a 21 8 5 User s manual for NET 200 Coax Numeric The tester shows the TDR test results numerically for the BNC connector It also can detect a device connected to the cable Note that the detection capability for devices may not be precise over long distances 22 Q OO 00 09 9 Figure 17 Coax Numeric Test The VOP value used to calculate distance It is the percentage of the speed of light d gt moves the cursor and 4 W changes the highlighted character To start testing press va or m To go back to the previous menu press LE or yo before a test After the test press 4 to go back to the previous menu Calculated distance to the opposite end of the cable To see more details for the pair press D then you can see the TDR plots See Section 8 3 Type of termination OPEN SHORT and NO EVENT To perform the test again press a User s manual for NET 200 8 6 Assigning Mode to Arrow Buttons and Selecting Pulse By using the cursor buttons the user can control the waveform display screen by selecting operations such as zooming in or out scrolling and moving cursor1 or cursor2 Pressing the moe N button allows the user to assign each operation to the cursor buttons
6. N IQ 31 Tis Mope Ing ACIN OF INCOM eae G 31 11 2 Assignment of IP Addres EE TET 33 TEZ Sina DHCP SEVE nnna a eae 33 11 2 2 Assigning a Static IP Address ccccccecccsseecssseeesssseeeesseeesssseeessseeeessneeeessaees 34 UCM ED dr RETE 35 D MR NIE Er EE 36 11 5 Collecting Network IntormallOFi s oriri i aed ete eve ve ven rte te bote bebe ba teberetoeseug s 36 Additional a PInIenan ME EE OE DEOS 39 12 4 ChatacteHstie Impedance Test sc eb REM ud ioo Dum Ne tuac eee 40 12 2 MOMMY LOS ates tases aaa Duet aee ed cea nen eti ee timi aieo eeu qomasetoe bo borne oi oos Les tet out Brema 41 12 3 Tone Generating Function esssssessseeeeeeennennnnnnn nnn 42 AV eH ats Uh ale PARTE QE EL LOO DEEP 43 13 1 Selecting Test Functions eiiis esesce tree im enint iiron 43 192 Te ERGS UNS t 44 13 3 Saving Loading and Deleting Auto Test Results essessesssssse 47 MAIS lus ate ip ols MN ME retest TORINO NUNT TEN NONE 48 I AME C PP 48 SPECE UON NR E E OT TE EY 50 User s manual for NET 200 1 Safety Information Safety Caution This product complies with the safety requirement of EN 61010 1 2010 This tester does not generate any hazardous voltages and is designed to be used on de energized circuits only Connections to any main supply voltage will result in damage to the tester and or a hazard to the user The
7. VOP For example CAT5 cables are produced by twisting which is adjusted by pairs in order to make it less vulnerable to crosstalk It can cause the VOP to deviate by approximately 2 You can determine a cable s actual VOP by adjusting the measured length to match a known length of cable 1 Connect a known length of the cable to be tested to the tester s twisted pair or coaxial connector For maximum accuracy and adjustment resolution use a cable between 45 ft and 70 ft 14 m and 21 m long 2 Start the TDR test 3 Adjust the Cursor2 to the point of reflection 4 Change the VOP to get the length User s manual for NET 200 9 Crosstalk Testing The tester measures crosstalk based on the TDX Time Domain Crosstalk test similar to the TDR test where a pulse is injected through a pair and the induced signal is measured in other pairs The crosstalk test is performed only on the LAN cables UTP or STP using the RJ45 connector CrossTalk EMES Grarhic Figure 19 Selecting Crosstalk Test The tester provides two types of crosstalk test See 9 1 and 9 2 aY changes the highlighted item Press e Or a then the selected item is marked by v After selecting press va or e to move the next step 3 Channel to send a pulse To change it press q batter selecting the item using WU 4 Channel to measure a signal To change it press qd Darter selecting the item using aY To move to the next step press 113 Or
8. the network information based on the TCP IP on the logical level It consists of three steps 1 Inspecting whether the port is active 2 Assigning an IP address to the tester and 3 Collecting the network information of the devices connected to the network 11 1 Inspecting Activity of the Port Figure 24 is displayed if the port is active i 100 D HO FD ESC OK Figure 24 When the Port is Active Advertised speed and duplex that are supported by a network device when connected to the tester 10 10 Mbps 100 100 Mbps HDX half duplex FDX full duplex Actual speed and duplex 3 Three options are available for the next step To select the item use Hd b to highlight the item DHCP The addresses are assigned by DHCP servers See Section 11 2 1 31 User s manual for NET 200 Fixed IP The addresses are assigned manually See Section 11 2 2 Link Blink The tester makes the LED of a HUB blink See Section 11 3 Press IS or ME to go back to the previous menu s Press va or e to start the selected function Figure 25 is displayed if the RJ45 connector is not correctly connected to the port or there is no network device attached to the far end of the cable being tested Ethernet Test Ea HU Link Figure 25 When the Port is not Active D Press IB or ME to go back to the previous menu 32 User s manual for NET 200 11 2 Assignment of IP Address 11 2 1 Using DHCP Server The test
9. the voltages applied by these interfaces may damage the tester If the tester detects voltage over 6 5V a WARNING screen is displayed Disconnect the tester if the voltage warning symbol appears User s manual for NET 200 5 Getting Started Press POWER more than three seconds the display turns on and shows the Main Menu Menu selection area To select a function use q bay to highlight the item press e o EM 2 TDR test See page 14 3 Wiremap test See page 29 D 4 Network analysis See page 31 5 Crosstalk test See page 25 5 Additional test functions See page 39 7 Auto test See page 43 To change the system parameters press LE Or EZ 9 Battery gauge Figure 2 Main Menu To select the item press e or va when highlighted User s manual for NET 200 6 Setting System Parameters To change the system parameters press in the main menu See Figure 2 D 2 System Settina 5 Urlosad to FC Figure 3 Screen for Setup There are three categories setting user information system setup and uploading stored data to a PC To select a category use A W to highlight the field press e or 3 For more information about setting user information see Section 6 1 For more information about setting system setup see Section 6 2 For more information about uploading stored data to a PC see Section 7 1 To exit this menu press EW or e 3 Press va or e to go to the selecte
10. 99 Washington Street Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 NET200 User s manual for NET200 User s manual for NET 200 LIMITED PRODUCT WARRANTY AND LIMITATION OF LIABILITY Megger warrants its products and accessories to be free from defects in materials and workmanship under normal consumer usage for periods s outlined below This warranty is not transferable and valid only to the original buyer or end user Megger shall not be liable for any direct indirect or consequential loss arising or damages suffered resulting from the usage of any of its products herein or any other products used in conjunction with WHAT IS COVERED COVERAGE LENGTH OF COVERAGE NET200 MAIN UNIT One 1 year from the date of purchase by the original buyer or end user PARTS AND ACCESSORIES Ninety 90 days from the date of purchase by the Original buyer or end user BATTERIES Ninety 90 days from the date of purchase by the original buyer or end user SOFTWARE Ninety 90 days from the date of purchase by the original buyer or end user WHAT IS NOT COVERED Normal wear and tear abuse amp misuse usage of non Megger or non Megger certified products accessories unauthorized service and modification altered products and error free software or operation without interruption CD EE ups eM qu c User s manual for NET 200 CONTENTS Its Tatio daa ie 9 o ERR RA KU I ene EIN 1
11. Assigned addresses p Press D to return the previous screen Press amp to start the next step Collecting Network Information See Section 11 5 Press va to start PING test See Section 11 4 9 After setting the information then press e to move to the next screen 11 3 Link Blink This function helps you determine which cable is connected to which port on a network hub or switch This function generates a link pulse of frequency of 1 second to blink the port s activity LED The function does not work with non negotiating hubs or with ports that use signal timing outside of typical timing parameters Link Blink Figure 28 Link Blink Function Press E or 9 to go back to the previous menu 35 User s manual for NET 200 11 4 PING Test This test shows the time taken in sending a predetermined packet to the gateway and receiving the response The time is displayed in the order of milliseconds Note that if the network uses firewall the tester may not receive any response Figure 29 PING Test The round trip time in milliseconds Press IB or ME to go back to the previous menu 3 Press 113 to perform the ping test again 11 5 Collecting Network Information This function collects the information about the devices belonging to the same network based on the subnet mask of 255 255 255 0 in hexadecimal FF FF FF 00 therefore the maximum number of the detectable devices is equal to 256 36 User s m
12. a If you want to change the parameters for the TDR test save the current result or load the stored results then press EZ 16 User s manual for NET 200 1 z 3 d J ESC 8 D Figure 12 Setup Menu To change the relevant value use the arrow keys amp ba wo highlight the field then press e o a to store the changes For VOP q P moves the cursor and 4 WV changes the highlighted number For other parameters Pair Pulse and Average A WY changes the number 3 To exit this menu and save press ED or 5 To exit and cancel press 4 Please note that in edit mode the cursor will blink 4 Press va or e to select the highlighted items or to save the changed parameters B VOP is expressed as a percentage of the speed of light in vacuum B Pulse is the horizontal time width of the pulse for the TDR testing as the width increases the maximum measurable distance increase since the total energy of the pulse is increased However the time span corresponding to the pulse width becomes a dead zone within which two adjacent events can be hard for the tester to distinguish m Average is the degree of average number before which a TDR test result is obtained The degree is presented in three steps as the degree increases e g the average number increases the noise effect appearing in the plot will be reduced however the time for a test to be completed or for the waveform display to be refreshed will be increased
13. ables Figure 9 shows the waveforms of the signals measured by the tester when a pulse is initiated into two cable conditions Position represents where the pulse signal is applied to the cable and the Position represents where the reflected signal is from open or shorted cables In an open cable both the initial pulse and its reflected signal have the same polarity while the inverse polarity occurs in a shorted cable The interval between Position and corresponds to the time difference between the transmitted and the reflected pulse which can be used to calculate the distance to the point of impedance change In this calculation the velocity of propagation VOP is used VOP is the speed of the electrical waves propagating through a cable which depends on the unique characteristics of each cable Distance Transmission time x 9 84 x 10 ft s x VOP unit feet Distance Transmission time x 3 x 109m s x VOP unit meter VOP is expressed as a percentage of the speed of light in vacuum For example when we say the VOP of a cable is equal to 66 it means that the signal propagates at 6696 of the speed of light The VOP value is affected by the type of a cable s metal conductor by its insulating material and by its structure For communication cables their VOP values are normally listed as one of the specifications provided by the cable manufacturers Typical VOP values are between 30 and 90 14 User s manual f
14. anual for NET 200 Figure 30 Collecting Network Information Press LE Or 4 for a while to stop collecting IP addresses of the devices In this figure the highlighted device has the address of 192 168 0 1 Device names on the network MAC addresses of the devices In this screen only the first three numbers in the addresses are shown 4 amp WY changes the highlighted device Press 113 to see more detailed information of the highlighted device 37 38 o e 3 Number of the device and the total number of devices detected 4 amp WY changes the selected devices Press GB or 59 to go back to the previous step Press va to see the next device User s manual for NET 200 12 Additional Functions The tester provides three additional functions Characteristic impedance test Continuity test and Tone generation Additional Func v l mnFregdance Continuity Tone Test Figure 31 Menu Screen of Additional Functions To select the item use 4 amp or W to highlight the item then press e or WE To go back to the previous menu press IB or e User s manual for NET 200 39 User s manual for NET 200 12 1 Characteristic Impedance Test The tester calculates the characteristic impedance of the cable based on the TDR method However contrary to the TDR test in Section 6 this test uses a step signal D Bm 32 ro Figure 32 Characteristic Impedance Test 2 Connector used for testing To
15. back to the previous menu press LE Or 4 To run the test again press 113 Continuity mode runs continuously to help you measure resistance 41 User s manual for NET 200 12 3 Tone Generating Function This function emits a tone of the frequency of 810 1100 Hz through the connector therefore it is possible to trace the cable with a standard tone probe not supplied available from most electrical outlets Figure 34 Tone Generation To start or stop the tone generation press lt a To go back to the previous menu press EW or 3 42 13 Auto Testing User s manual for NET 200 Auto test performs all of the tests chosen from the list Figure 35 including the TDR test see Section 8 4 qualification tests 10 BASE T 100 BASE TX and 1000 BASE T see Section 9 1 crosstalk test and continuity test see Section 12 2 In particular the TDR test provides the information of cable length and delay skew by pairs 13 1 Selecting Test Functions wv v O4 wv al lim D Figure 35 Selecting Auto Test Functions LAH TOR 16 base T 18h base Tr i iBAA base T Meazurins CrossTalk Cont inuita D Testitems To select them move the highlight using A UM press e when highlighted The selected items are marked by v 2 When LAN TDR is highlighted you can change VOP by pressing D In other cases you can go back to the previous menu by pressing DD To start the selected tes
16. change the connector press D then the test is conducted on BNC 1 2 RJ45 3 6 RJ45 4 5 RJ45 7 8 RJ45 BNC Characteristic impedance It is calculated on the position of Cursor2 therefore it should be located within the cable length 3 Distance between Cursor1 and Cursor2 or VOP To swap them press 113 4 Cursor and Cursor2 To move them use b with its mode set to CURSOR1 and CURSOR respectively See Section 8 6 Use the cursor keys gt To change the mode or set the VOP then press woo NI It is similar to changing pulse width in Section 8 6 and is similar to setting the items as shown in Section 8 6 To go back to the previous menu press Ag 40 User s manual for NET 200 12 2 Continuity Test The tester calculates the wire resistance like normal multimeters therefore the cable has to form a loop e g the far end of the cable has to be shorted The maximum measured resistance is 50 KQ Figure 33 Continuity Test Measured resistance If this does not exceed 150 Q then a buzzing sound is generated so that the continuity of the cable is confirmed Connector used for testing To change the connector press 4 or v then the test is conducted on BNC 1 2 RJ45 3 6 RJ45 4 5 RJ45 7 8 RJ45 BNC To stop the test press 113 The measured value just before is displayed in D To go
17. ctive 2004 108 EEC and FCC47 Part 15 B Class A EN61326 1 2006 and EN61000 3 3 2008 e EMC FCC47 CFRPart 15 Subpart B Unintentional Radiators This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules and EN61326 2006 CISPR11 These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense NOTE THE INSTRUMENT MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT PERSONS User s manual for NET 200 2 Overview of Features NET200 is an MTDR Metallic Time Domain Reflectometer device that can measure the cable length and diagnose cable defects such as a break open shorted circuit and sudden change of impedance such as repeaters in graphic and numeric formats It also includes many useful functions such as the Crosstalk test Wiremap test and Network TCP IP analysis that can be used to test amp compare the cable and network to satisfy required network standards In addition NET200 provides a T
18. d category User s manual for NET 200 6 1 Setting User Information To change user information select the Setup menu Figure 3 and edit in 1 User Info as below User Info Figure 4 Setting User Information To edit settings press 4 amp W to highlight the field then press m You can use User Name as the operator s name and Affiliation as an abbreviated company name 2 Use the q D buttons to select the character and then use 4 W to change the highlighted character 3 To exit this menu without saving changes press D Or 4 4 To store the changes press a 6 2 User s manual for NET 200 Setting System Setup To change system settings access the Setup menu Figure 3 and edit in 2 System Setting as below 10 D 2 i a 1l LCD Contrast Mz zZiHuta Power 18 5 Backur Mode OFF 4 HAC Address JUnit Feet 6 Factora Setting ESC 4 ik i 3 D Figure 5 System Setting To edit settings press q b to highlight the field then press aY to change the number press e Or va Pressing 4 amp W changes parameter values When in edit mode the cursor will blink Press D to retain the present value To exit this menu press LED after or before changing values at this point the cursor is not blinking Pressing va or e selects or confirms or starts the selected function To alter the screen contrast change the number in LCD Contrast min 1 max 11 To alter the auto off feature c
19. d possible fire electric shock personal injury or damage to the tester 48 Use the tester only for its specified function Do not open the case There are no user serviceable parts inside Replacing electrical parts yourself will void the tester s warranty and might compromise its safety and EMC features Use only approved replacement parts to repair this instrument Contact Megger or an authorized reseller in case of damage or breakage Be sure to disconnect all cables from RJ45 and BNC connectors before charging or connecting to a PC User s manual for NET 200 Do not charge when communicating with the PC Do not immerse the tester in water Also do not pour or spray water on to the tester Do not heat the tester or throw it in the fire Do not leave in conditions where ambient temperature is more than 60 C or in a heated vehicle Also do not charge discharge outside of the conditions specified Do not attempt to crush or drop Do not attempt to modify Do not store the tester where it will exceed it rated storage temperatures Do not put the tester in an oven microwave oven or a pressure container If charging time is longer than specified stop charging This instrument is not compliant with the directives for use in a vehicle so charging from a 12V DC vehicle socket must be done only when the vehicle is stationary It must not be connected when the vehicle is running or being started 49 15 Specifications Title
20. er starts to search a DHCP server If the server is found the tester receives its IP address gateway address subnet mask and DNS server address The result is displayed as in Figure 26 Lj i z i 0 30 Lp ae grae Figure 26 Searching for a DHCP Server D The tester finds a DHCP server Press 4a to go back to the previous menu 2 Assigned IP address of the tester 3 Press LE to see the more detailed information including the gateway address subnet mask and DNS server address Press to start the next step Collecting Network Information See Section 11 5 33 Press W to start PING test See Section 11 4 The tester could not find a DHCP server Press yo to go back to the previous menu 11 2 2 Assigning a Static IP Address When no DHCP server is available you can assign the network setting manually 255 255 255 00G EDB 132 168 660 582 2 192 165 G00 Be Cp peur pras 365 0 1 E 6 D Figure 27 Assigning Fixed IP Address IP IP address SM subnet mask GW gateway address The IP Subnet Mask and Gateway fields used for the tester address entry d b moves the cursor and 4 W changes the highlighted number 3 Press LE to scroll through and highlight the fields IP SM and GW press 34 User s manual for NET 200 User s manual for NET 200 a Press 113 to assign a MAC address to the tester For more information see Section 6 2 5
21. hange the Auto Power setting to the number of minutes required before auto off To make the new settings your default toggle the Backup mode to ON Leaving Backup Mode set to OFF means that the changes are effective for the current session only User s manual for NET 200 B To change the MAC address of the tester choose the 4 item in Figure 5 and enter the new MAC address in D below 1 Tiistariadidr 2 Figure 6 Setting MAC Address The MAC address field consists of 6 numbers between 0 and 255 hexadecimal OOh ffh q b moves the cursor and W changes the highlighted character Available characters are 0 1 2 3 4 5 6 7 8 9 a b c d e f To exit this menu and save the changes press 113 3 To exit this menu without saving changes press D B To alter the length units change the Unit setting Feet Metre W You can reset the tester to default settings 6 item in Figure 5 the tester asks for confirmation Highlight your choice using q gt then press e to accept Note the exit key is available to cancel 11 User s manual for NET 200 7 Communication with External Devices 1 Uploading Stored Data to a PC To upload stored data to a PC select the Setup menu Figure 3 and edit in 3 Upload to PC as below Figure 7 Uploading Screen After connecting the tester to the PC press e Or va to start the download Ensure the software is running on the PC B Be sure to disconnec
22. is shown on the screen above the buttons Power on off button Backlight on off button Additionally pressing this button for more than three seconds will turn on off the button sound Setup button for selecting test parameters Mode button for selecting action of the arrow buttons zooming and scrolling waveform moving cursors Exit button Print button Arrow buttons used to navigate the cursor through screen options OK button for selecting the highlighted item in the menu RS 232C port for uploading saved test results to a PC and printing current test results LED for indicating charge status User s manual for NET 200 4 Connecting Cables Before connecting cables be sure to check the following 1 Power sources over 6 5 volts should not be connected to the far end of the cable 2 Cable must be connected to only one of the two connectors BNC connector in Figure 1 or RJ45 connector in Figure 1 Depending on the cable you want to connect you can use Coaxial Cable Connect it directly to the BNC connector Shielded Twisted Pair Connect it directly to the RJ45 connector STP Cable Unshielded Twisted Pair Connect it directly to the RJ45 connector UTP Cable Unshielded Multi Core After connecting the alligator clip lead to the Cable BNC connector choose one pair of the cable using the alligator clips The tester is not intended to be connected to active systems or equipment Prolonged exposure to
23. m To go back to the previous menu press D or 4 25 User s manual for NET 200 9 1 Numeric Test This test examines whether the cable qualifies to the standards such as those for 10 base T 100 base TX and 1000 base T in terms of the crosstalk 166 Baze TzZ 16H Base T TH Baze T la Base T 1680 Base T aT a n i nur 7 5 py std HJARA n i nur 7 5 Se D 6 6 Cable 15 too short Figure 20 Numeric Test for Crosstalk Type of applications 4 amp WV changes the standard highlighted 2 To select an application press e Or LE when highlighted The selected applications are marked by v 3 To start testing with the selected applications press A 26 4 Ifthe cable tested is too short the test displays an error message Confirm that the cable connection is correct or use a longer cable 5 If the cable tested meets the standards it shows Pass If not it shows Fail To perform the test again press a D To select applications again press DD W To go back to the previous menu press Ag User s manual for NET 200 27 F 28 2 User s manual for NET 200 Graphic Test This test shows the induced signal as a real time plot The plot and its operation are similar to Figure 11 o6 9 oO QO 9 3 Figure 21 Graphic Test for Crosstalk To change the input channel and measuring channel press D See Figure 19 Mode indicator for d baw als
24. o shows the current setting To change its mode press woo NE See Section 8 6 Distance between Cursor1 and Cursor2 or VOP To swap them press a Cursor1 and Cursor2 To move them use q gt with its mode set to CURSOR1 and CURSOR respectively See Section 8 6 The cursors must be located at the beginning of reflections Magnitude of crosstalk near the tester end this corresponds to Near End Crosstalk Magnitude of crosstalk nearer the far end of the cable this corresponds to Far End Crosstalk User s manual for NET 200 10 Wiremap Testing This test provides wiremap information for UTP and STP cables It identifies whether the cable wiremap is correct or not and reports as a Pass or Fail This test requires the remote identifier which should be attached to the far end of the cable Note that the remote identifiers are functionally identical except for their ID numbers WIREMAP Identifier F Connect Figure 22 Wiremap Test To start testing press va or E To go back to the previous menu press EP or 9 ID number of the remote identifier connected to the tester Test result message 0 0 9 O To perform the test again press 113 29 30 If the cable fails the test the tester shows a failed notice WIREMAP WIREMAP WIREMAP B Figure 23 Fault screen from Wiremap Test User s manual for NET 200 User s manual for NET 200 11 Network Analysis This test provides
25. one generating function used to identify and trace the cable in cavities such as walls floors etc It also provides a Continuity test function to check out the continuity of the cable NET200 is a high tech all in one instrument suitable for installing repairing and maintaining business network services based on UTP STP cables Coaxial cables Telephone cables and other metallic cable pairs cost effectively The tester comes with the accessories listed below If an item is damaged or missing contact your supplier immediately Standard Accessories Optional Accessories Remote Identifier 1 User s Manual Remote Identifier 2 BNC to F connector Battery Pack Manual Remote Identifier 3 PC program CD Remote Identifier 4 Download cable USB RS232C Remote Identifier 5 AC DC Adapter 12V 1 5A Remote Identifier 6 Test Lead cable 30cm Remote Identifier 7 Power Cord UK US EU Remote Identifier 8 Portable bag Automobile Cigarette Lighter Charger 12V Pouch Mobile printer 3 party User s manual for NET 200 3 Physical Features Figure 1 Exterior of NET200 wv 6 60 00 0 9 S User s manual for NET 200 LCD display with backlight BNC connector for connecting to coaxial cable or the alligator clip a standard accessory 8 pin modular RJ45 connector for connecting to twisted pair network cables Function buttons These buttons provide functions related to the current screen the specific function
26. or NET 200 EHC Sa 40m EHC 56 40m Figure 9 Waveforms for Open and Shorted Cables 8 2 TDR Function The tester provides four TDR testing unctions LAH Grarhic a LAH Humer ic Coax ararhic Coax hHumer ic Figure 10 Menu for Selecting a TDR Function Use the arrow keys 4 amp W to highlight the required test The words Graphic and Numeric mean that the tester shows the results in the form of a waveform or numeric displays respectively For LAN Graphic and Coax Graphic see Section 8 3 For LAN Numeric see Section 8 4 For Coax Numeric see Section 8 5 15 User s manual for NET 200 2 To start the highlighted function press va or m To go back to the previous menu press EW or e 8 3 LAN Graphic and Coax Graphic The tester plots the reflections on a distance scale to show you where impedance changes occur Q O Figure 11 TDR Plots D To position CURSOR1 and CURSOR2 use q b with the mode set to CURSOR1 and CURSOR respectively See Section 8 6 The cursors must be located at the beginning of reflections 2 The numbers shown indicate the pair being used on the RJ45 connector BNC indicates the BNC connector is being monitored Press UD to select the pair 3 The Mode indicator shows the current display operating mode and setting To change its mode press Ca See Section 8 6 4 Distance between Cursor1 and Cursor2 or VOP To swap them press
27. s DD To perform the test again press 113 User s manual for NET 200 User s manual for NET 200 13 3 Saving Loading and Deleting Auto Test Results You can save the current test result or load delete the previous test results by pressing the button during the auto test The tester provides 50 sectors to save the auto test results You can easily manage the sectors as shown in Figure 13 Figure 14 and Figure 15 1 ES 2 Load 5 Delete Figure 40 Handling Saved Data D AY changes the highlight To go back to the previous menu press EW or 3 To perform the selected action press va or m 47 User s manual for NET 200 14 Maintenance This product contains parts sensitive to electricity and it is not possible for a user to repair it directly In case of damage or breakdown please contact Megger or the reseller you purchased the tester from 14 1 Charge Red light on in Figure 1 stands for charging and green light on in Figure 1 stands for fully charged If you experience the LED blinking or not working when connected to the adaptor then contact an authorized reseller or the manufacturer Be sure to disconnect from the PC and disconnect all cables from the RJ45 and BNC connectors before charging For fast charging please turn off the NET200 Use only a Megger approved adaptor for charging Please refer to the specifications below Charging will be completed within 4 hours Warning To avoi
28. t all cables from RJ45 and BNC connectors before connecting to a PC 7 2 Printing Test Results The test results including the measured waveforms can be printed using the optional printer and a printer cable After connecting the printer to the tester press to start printing the results for the current test 12 User s manual for NET 200 Printer iz Unavailable Disconnection Printer EFE amp uode ud Figure 8 Printing Screens p Printer is connected and tester is ready for printing The tester cannot detect an attached printer 3 Printer is not connected An error has occurred during printing Check the printer or refill printer paper then try again B The optional printer listed is the only one recommended for printing B Be sure to disconnect all cables from RJ45 and BNC connectors before connecting to a Printer 13 User s manual for NET 200 8 TDR Testing 8 1 Operation Principles When an electric pulse is transmitted from one end of a cable this electrical signal travels through the cable and its reflected signal is generated where propagation characteristics characteristic impedance of the cable are changed these points are defined as the events By measuring the shape of the reflected signals and the times they take to reach the tester the types of and the distance to the events can be determined The changes in the characteristic impedance are often caused by open or shorted c
29. to load or not Select the highlighted answer using q b press 3 The loaded plot is being displayed The loaded plot and current plot are being displayed at the same time To change the display press 113 19 User s manual for NET 200 B To delete the stored test results select DELETE FILE MAHE Cabi LOCATION Figure 15 Deleting a Stored Plot Memory sector to be deleted To change the memory sector press Q b 2 Information fields To exit this menu without deleting any data press EW or 3 4 To delete the result press a then the tester asks you to delete or not Select the highlighted answer using q b press m Caution If you choose to delete the data on the sector it will be permanently erased and cannot be retrieved 20 8 4 User s manual for NET 200 LAN Numeric The tester shows the TDR test results numerically for UTP or STP cable connected to the RJ45 connector e CQ O9 O6 0 HY Figure 16 LAN Numeric Test Cable pairs The VOP value used to calculate distance as a percentage of the speed of light in a vacuum q gt moves the cursor and 4 W changes the highlighted character To start testing press va or m To go back to the previous menu press D or 4a before a test After the test press 4a to go back to the previous menu Calculated distances to the detected faults for the respective pairs Type of termination OP stands for open pair and
30. ts press a When measuring you can abort the test by pressing LE for a while 43 13 2 Test Results The tester provides the results in a window by window manner 44 c eo VO 3H ZA SH 721m Figure 36 Auto Test Result LAN TDR Cable pairs Distance to termination Type of termination OP stands for open end SH does for shorted end To move to the next page test result press Ft VOP used in calculation of distance To perform the test again press a User s manual for NET 200 Lan Base T FASS Figure 37 Auto Test Result 10 BASE T 100 BASE TX and 1000 BASE T D Cable pairs 2 When the pair passes the test PASS is displayed If not FAIL is displayed 3 To move to the next page test result press D To perform the test again press a ise 3 6 Ass peg sow Fass PASS FASS PASS w PASS FASS 3 PASS FASS w PASS FHSS FASS FASS Figure 38 Auto Test Result Crosstalk User s manual for NET 200 45 46 e 00 VO wv Oo The cable pair used by the tester to send a pulse The cable pair used by the tester to measure the signal 4x4 table shows the results To move to the next page test result press DD To perform the test again press a 1 16 Kohm 2 48 Kohr OPEH Kohm SHORT Kohm Figure 39 Auto Test Result Continuity Cable pairs Resistance between the pair To move to the next page test result pres
31. ult 50 ea 1 kHz analog tone signal transmission Display 2 5 128 x 64 mono graphic LCD 7 4 V Lithium ion 1 800 mAh EN62133 2003 IEC621334 12V 1 5 A DC adapter EN60950 1 2005 2 Edition Operating time 5 hours charging time 4 hours USB cable provided P heral Operation temperature 10 C 55 C Preserving temperature 20 C 60 C Humidity 95 CE EN61010 1 2001 EN61010 1 2010 Standards CE EN 61326 1 2006 EN61000 3 3 2008 FCC CFR47 Part 15 Subpart B Unintentional Radiators Remote Identifier 1 BNC to F connector PC program CD Download cable USB RS232C Accessories Test Lead cable 80cm Power cord UK US EU Portable bag Pouch User s Manual Battery Pack Manual AC DC Adapter 12V 1 5A Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Environment Condition 91
32. user must assume responsibility for ensuring his or her own safety The BNC plug and socket are by necessity accessible The outer sheath for this connector is always at SELV levels N CAUTION Do not connect to telephone networks or outside wiring This will damage the NET200 and presents an electric shock hazard Verify that the system under test is de energized before using the NET200 Disconnect all cables from RJ45 and BNC connectors before charging or connecting to PC Check that all lead connections are correct before making a test Use only certified charger please follow the user s manual See Section 14 1 Refer to operating instructions for further explanation and precautions Safety warnings and Precautions must be read and understood before the instrument is used They must be observed during use Any replacement battery pack must be fitted only by a Megger service centre The battery must be disposed of according to local waste directives Do not dispose of the battery to landfill or incinerate it User s manual for NET 200 Symbols used on the Tester Caution See explanations in this manual Battery Tester complies with the current EU Directives A Tester complies with the WEEE Directives 2002 96 EC and must not be disposed of in the waste stream LAN ONLY Do not connect to the telephone line International Standards e Safety EC61010 1 2010 e EMC The equipment meets the European EMC dire
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