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Testing Twisted Pair Cabling

Short on Twisted Pair Cabling

Figure 9 shows a short between wires 5 and 6. The shorted
wires flash to indicate the fault. The cable length is 75.4 m.

Note

When there is a short, the far-end adapter and the
mapping of the unshorted wires are not shown.

Typical Causes of Shorts

•

Damaged connector.

•

Damaged cable.

•

Conductive material stuck beween pins at connector.

•

Improper connector termination.

•

Wrong application for cable.

EKG06.EPS

Figure 9. Short on Twisted Pair Cabling

HIGH

MicroScanner PoE

MicroScanner

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Содержание MicroScanner Series

Страница 1: ...March 2019 2019 Fluke Corporation All product names are trademarks of their respective companies MicroScanner Series Cable Verifiers Users Manual ...

Страница 2: ...e price free of charge repair or replacement of a defective product which is returned to a Fluke Networks authorized service center within the warranty period To obtain warranty service contact your nearest Fluke Networks authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepa...

Страница 3: ... Information 4 MicroScanner PoE Features 7 MicroScanner PoE Display Features 9 MicroScanner2 Features 11 MicroScanner2 Display Features 13 Auto Shutoff 14 Changing the Length Units 14 Using the Wiremap Adapter and Remote ID Locators 15 Testing Twisted Pair Cabling 16 Open on Twisted Pair Cabling 17 ...

Страница 4: ... 21 Bridge Tap Detected 23 Ethernet Port Detected 25 Viewing Details for a Wire Pair 27 Using Multiple Remote ID Locators 29 Connecting to Telephone Networks Wired in Star Topologies 31 Connecting to Telephone Networks Wired in Bus Topologies 33 Testing Coaxial Cabling MicroScanner2 35 Results for a Good Coaxial Cable 36 Open on Coaxial Cabling 36 Short on Coaxial Cabling 37 Unknown Termination on...

Страница 5: ...Map Function optional IP200 probe required 51 Calibrating Length Measurements 52 Setting the NVP to a Specified Value 53 Determining a Cable s Actual NVP 53 Maintenance 54 Cleaning 54 Battery Life Status and Replacement 54 Checking the Tester s Version Serial Number and MAC Address 55 Learn More 55 If Something Seems Wrong with the Tester 56 Options and Accessories 57 Specifications 57 Environment...

Страница 6: ...MicroScanner Series Cable Verifiers Users Manual iv Test Modes 59 Performance Specifications 59 Regulatory Information 61 ...

Страница 7: ...s 11 5 MicroScanner2 Display Features 13 6 Connecting a Remote ID Locator in a Confined Area or to an RJ11 Jack 15 7 Connecting to Twisted Pair Network Cabling 16 8 Open on Twisted Pair Cabling 17 9 Short on Twisted Pair Cabling 18 10 Crossed Wires 19 11 Crossed Pairs 20 12 Split Pair 21 13 Telephone Voltages Detected 22 14 Bridge Tap Detected 24 ...

Страница 8: ...g to Coaxial Cabling MicroScanner2 35 23 Coaxial Results MicroScanner2 36 24 Open on Coaxial Cabling MicroScanner2 36 25 Short on Coaxial Cabling MicroScanner2 37 26 Unknown Termination on Coaxial Cabling MicroScanner2 37 27 MicroScanner2 PoE Display 38 28 PoE from a Source that Provides Only Single Signature PoE MicroScanner PoE 40 29 PoE from a Dual Signature PoE Source MicroScanner PoE 41 30 De...

Страница 9: ...List of Figures vii 35 Analog Toner Mode Display 49 36 Using the Toner with the IP200 IntelliTone Cable Map Function 52 37 Replacing the Tester s Batteries 55 ...

Страница 10: ...MicroScanner Series Cable Verifiers Users Manual viii ...

Страница 11: ... also detects faults on coaxial cabling Displays wiremap cable length proportional distance to opens and the remote ID number all on one screen Detects Ethernet ports on twisted pair cabling and reports the port speed Detects PoE Power over Ethernet and telephone voltages on twisted pair cabling IntelliTone function works with an optional Fluke Networks IntelliTone probe to help you locate and iso...

Страница 12: ...ymbols W Warning or Caution risk of damage or destruction to equipment or software See explanations in the manual On the tester s display this symbol indicates a cable fault or voltage on the cable X Warning Risk of electric shock See the user documentation This product complies with the WEEE Directive marking requirements The affixed label indicates that you must not discard this electrical elect...

Страница 13: ...ol W when it detects high voltage Figures 1 and 13 show P Conformite Europeene Conforms to the requirements of the European Union and the European Free Trade Association EFTA Conforms to relevant Australian standards 40 year Environment Friendly Use Period EFUP under China Regulation Administrative Measure on the Control of Pollution Caused by Electronic Information Products This is the period of ...

Страница 14: ...cause burns or explode If exposure to chemicals occurs clean with water and get medical aid Remove the batteries if the Product is not used for an extended period of time or if stored in temperatures above 50 C If the batteries are not removed battery leakage can damage the Product The battery door must be closed and locked before you operate the Product Repair the Product before use if the batter...

Страница 15: ...air the Product Do not put metal objects into connectors Before using the optional IntelliTone probe read the safety information in the probe s documentation EGK29 EPS Figure 1 High Voltage Display Examples MicroScanner PoE MicroScanner2 Positive Negative ...

Страница 16: ...MicroScanner Series Cable Verifiers Users Manual 6 MicroScanner PoE Features EGK32 EPS Figure 2 MicroScanner PoE Features J H I A E F B C G D ...

Страница 17: ...t as the length unit See pages 14 and 52 Activates a demonstration mode where the tester shows examples of test result screens Note Auto shutoff is disabled in demonstration mode Displays the version and serial number screens LCD display with backlight Modular jack for connecting to telephone and twisted pair network cable The jack accepts 8 pin modular RJ45 and 6 pin modular RJ11 connectors Wirem...

Страница 18: ...r volts when it detects 802 3 compliant W or passive V PoE See page 39 Test activity indicator which is animated when a test is running IntelliTone appears when the toner is in IntelliTone mode See pages 46 and 51 Low battery indicator See page 54 Telephone voltage indicator See page 22 Indicates a wiremap adapter or remote ID locator is connected to the far end of the cable The 7 segment display ...

Страница 19: ...ort on the cable See pages 18 and 37 Ethernet port indicator See page 25 Wiremap diagram For opens the number of segments lit for the wire pair indicates the approximate distance to the fault The rightmost segments indicate the shield See pages 17 through 21 The Windicates a fault or high voltage on the cable SPLIT appears when the fault is a split pair See page 21 ...

Страница 20: ...MicroScanner Series Cable Verifiers Users Manual 10 MicroScanner2 Features EGK01 EPS Figure 4 MicroScanner2 Features J I A D E B C F G H ...

Страница 21: ...ee pages 14 and 52 Activates a demonstration mode where the tester shows examples of test result screens Note Auto shutoff is disabled in demonstration mode Displays the version and serial number screens LCD display with backlight F connector for connecting to 75 Ω coaxial cable Modular jack for connecting to telephone and twisted pair network cable The jack accepts 8 pin modular RJ45 and 6 pin mo...

Страница 22: ...ay with feet meters indicator Test activity indicator which is animated when a test is running IntelliTone appears when the toner is in IntelliTone mode See pages 46 and 51 Indicates a short on the cable See pages 18 and 37 Telephone voltage indicator See page 22 Indicates a wiremap adapter is connected to the far end of the cable Low battery indicator See page 54 Indicates an ID locator is connec...

Страница 23: ...ltage on the cable SPLIT appears when the fault is a split pair See page 21 Auto Shutoff The tester turns off after 10 minutes if no keys are pressed and nothing changes at the tester s connectors Note Auto shutoff is disabled in toner and demonstration modes Changing the Length Units 1 Hold down and or and while turning on the tester 2 Press or to switch between meters and feet 3 Turn the tester ...

Страница 24: ...ch wire is open Without termination the tester shows both wires as open Using multiple remote ID locators helps you identify connections at patch panels The tester shows the number of the locator connected to the far end of the cabling as shown on page 30 To connect a remote ID locator to a modular RJ jack in a confined area or to a 4 pin modular jack RJ11 use the optional universal adapter and a ...

Страница 25: ...locator to the cabling as shown in Figures 7 through 21 The test runs continuously until you change modes or turn the tester off Notes You can measure length without connecting a far end adapter however an adapter is required for a complete wiremap test If the PoE indicator appears set the tester to PoE mode See page 38 EGK03 EPS Figure 7 Connecting to Twisted Pair Network Cabling Wiremap adapter ...

Страница 26: ...use open pairs are normal for some cabling applications The three segments shown for the wire pair length indicate the open is approximately 3 4 the distance to the end of the cabling The cable length is 75 4 m To see the distance to the open use or to view detailed results for the wire pair See page 27 Typical Causes of Opens Wires connected to wrong pins at connector or punchdown blocks Faulty c...

Страница 27: ...m Note When there is a short the far end adapter and the mapping of the unshorted wires are not shown Typical Causes of Shorts Damaged connector Damaged cable Conductive material stuck beween pins at connector Improper connector termination Wrong application for cable EKG06 EPS Figure 9 Short on Twisted Pair Cabling V Ω HIGH MicroScanner PoE MicroScanner2 Short icon Short icon ...

Страница 28: ...ure 10 Crossed Wires Crossed Pairs Figure 11 shows that pairs 1 2 and 3 6 are crossed The pin numbers flash to indicate the fault This crossed pair is likely caused by mixing 568A and 568B cabling Detection of crossed pairs requires a far end adapter Typical Causes of Crossed Pairs Wires connected to wrong pins at connector or punchdown block Mix of 568A and 568B wiring standards 12 and 36 crossed...

Страница 29: ...ashes to indicate the fault The cable length is 75 4 m In a split pair continuity from end to end is correct but is made with wires from different pairs Split pairs cause excessive crosstalk that interferes with network operation Note Cables with untwisted pairs such as telephone cords typically show split pairs due to excessive crosstalk ...

Страница 30: ...is not shown because the voltage interferes with length measurements WWarningX The tester is not intended to be connected to active telephone inputs systems or equipment including ISDN devices Prolonged exposure to the voltages applied by these interfaces may damage the tester Disconnect the tester if it detects high voltage Split pair icon The split pair flashes Split pair wiring ...

Страница 31: ...Testing Twisted Pair Cabling 21 EGK11 EPS Figure 13 Telephone Voltages Detected V Ω HIGH MicroScanner PoE MicroScanner2 Telephone voltage icon Positive wire tip Negative wire ring Telephone voltage icon ...

Страница 32: ...ected at about 53 2 m Only the first bridge tap detected is reported The distance to a bridge tap is approximate because multiple reflections from the bridge tap interfere with length measurements Note Bridge taps more than 328 ft 100 m from the tester or taps less than 16 ft 5 m long may not be detected ...

Страница 33: ...Testing Twisted Pair Cabling 23 EGK12 EPS Figure 14 Bridge Tap Detected V Ω HIGH MicroScanner PoE MicroScanner2 ...

Страница 34: ...Scanner PoE The speeds are 10 100 1000 2500 5000 or 10 000 megabits per second The figure shows 1000 megabits per second If the port supports multiple speeds the number cycles through the speeds Cable length Dashes are shown if the tester cannot measure the length This can occur if the port does not produce reflections Length may fluctuate or be obviously too high if the port s impedance fluctuate...

Страница 35: ...shes are shown if the tester cannot measure the length This can occur if the port does not produce reflections Length may fluctuate or be obviously too high if the port s impedance fluctuates or varies from the cable s impedance When in doubt disconnect the cable from the port to get an accurate length measurement A B ...

Страница 36: ...nuously tests only the wire pair you are viewing Figures 17 and 18 show examples of these screens Figure 17 Details for a Short MicroScanner2 screen shown EGK18 EPS Notes On the results details screens shorts are shown only when they are between wires in a pair When there is a short the far end adapter and the mapping of the unshorted wires are not shown Short on pair 1 2 at 29 8 m ...

Страница 37: ...ir Cabling 27 Figure 18 Details for Terminated and Open Wire Pairs Pair 3 6 is 67 7 m long and is terminated with the wiremap adapter Open on pair 4 5 at 48 1 m The open could be on one or both wires EGK37 EPS EGK14 EPS ...

Страница 38: ...onnections at a patch panel as shown in Figure 19 The display in Figure 19 shows that the tester is connected to the cable terminated with remote ID locator number 3 The MicroScanner2 display shows an ID locator icon near the ID locator s number WCaution Do not use multiple far end adapters in star or bus topologies Doing so causes incorrect wiremap results ...

Страница 39: ...sting Twisted Pair Cabling 29 EGK04 EPS Figure 19 Using Multiple Remote ID Locators MicroScanner PoE shown Patch panel Locator 2 Locator 3 Locator 4 Locator 5 Remote ID locators connected to wall outlets ...

Страница 40: ... the bridge tap To measure the length of each cable connected to the bridge tap connect the wiremap adapter or remote ID locator to the bridge tap and the tester to the wall outlet The tester cannot measure length past the bridge tap because reflections from the bridge tap connections interfere with measurements If you connect the tester to the bridge tap the tester measures the length only to the...

Страница 41: ...ne Network Wired in a Star Topology Distribution center Common connection to bridge tap Wiremap adapter RJ11 patch cord Wall outlets Note For a correct length reading connect the tester and wiremap adapter as shown See Connecting to Star Topologies for details RJ11 patch cord ...

Страница 42: ...length The tester cannot measure length past the outlet because reflections from the cables on either side interfere with measurements If you are unsure which outlet is the last in the bus do the following 1 Connect the wiremap adapter or ID locator to the beginning of the bus at the distribution center 2 Connect the tester to an outlet and run the twisted pair cable test If the tester reports a b...

Страница 43: ...7 EPS Figure 21 Connecting to a Telephone Network Wired in a Bus Topology Distribution center Connection to bus Wiremap adapter RJ11 patch cord Wall outlets Note You can swap the locations of the tester and wiremap adapter RJ11 patch cord ...

Страница 44: ...and wiremap adapter or ID locator to the cabling as shown in Figure 22 For cabling not terminated with an F connector use an adapter or hybrid patch cord to connect to the cabling The test runs continuously until you change modes or turn the tester off EGK19 EPS Figure 22 Connecting to Coaxial Cabling MicroScanner2 Connection to service Coaxial patch cords Wiremap adapter Wall outlet ...

Страница 45: ...able Figure 23 shows a good coaxial cable 38 4 m long and terminated with remote ID number 3 EGK20 EPS Figure 23 Coaxial Results MicroScanner2 Open on Coaxial Cabling Figure 24 shows an open 12 1 m from the tester EGK21 EPS Figure 24 Open on Coaxial Cabling MicroScanner2 ...

Страница 46: ...Scanner2 Unknown Termination on Coaxial Cabling Figure 26 shows a cable connected to a device at the far end such as a television CATV service VCR DVD player satellite dish splitter or antenna Dashes shown for length mean the tester cannot measure length because the device does not produce reflections EGK23 EPS Figure 26 Unknown Termination on Coaxial Cabling MicroScanner2 ...

Страница 47: ...ilable To verify the presence of a PoE source switch the tester to PoE mode Note The tester will not detect PoE schemes that are not compliant with the IEEE 802 3af standard such as Cisco Inline Power MicroScanner2 The MicroScanner2 tester solicits and detects PoE voltage from 802 3af sources If PoE is detected appears above the powered pairs The may blink as the PoE source turns the power on and ...

Страница 48: ... class The tester will verify the maximum power available if the source s port is configured to respond to requests at the hardware layer only If a source s port is configured to respond only to LLDP requests for high power levels Classes 5 8 the tester cannot verify the maximum power available from that source Older 802 3af and 802 3at sources will sometimes continue to supply power when you swit...

Страница 49: ...30 Table 2 on page 43 shows wattages and other information for the PoE classes Figure 28 PoE from a Source that Provides Only Single Signature PoE MicroScanner PoE EGK33 EPS The wattage specified for the PoE class Table 2 on page 43 shows wattages and other information for the PoE classes The class of power detected 802 3 classes 0 through 8 The tester shows the wire pairs that supply the single s...

Страница 50: ...n page 43 shows wattages and other information for the PoE classes The magnifying glass blinks when the tester detects dual signature PoE Press to see details See Figure 30 The class of power detected 802 3 classes 0 through 8 The source device uses both wire pairs to supply higher power PoE Press to see details for each wire pair See Figure 30 802 3 Class W V Ω HIGH C A D B ...

Страница 51: ... to switch between the screens for the PoE sources The class of dual signature power detected 802 3 classes 1 through 5 dual signature The tester detects dual signature PoE The two sets of wire pairs that supply PoE use different signatures This lets you connect the port to a device that has two different PoE requirements For example a security camera can have different power requirements for the ...

Страница 52: ...1 3 13 14 1 4 25 5 30 2 802 3at PoE 5 40 45 3 802 3bt 4 pair PoE 4PPoE PoE 6 51 60 3 7 62 75 4 802 3bt higher power PoE 8 71 3 90 4 1 These class numbers and wattages are shown on the MicroScanner PoE display Actual wattage can vary and depends on the length of cabling and the cable type 2 The tester can identify two non standard types of PoE PoH Power over HDBaseT and UPoE Universal Power over Et...

Страница 53: ...Figure 31 PoE Port that Shows 0 0 W EGK39 EPS The PoE source is not supplying power to the port The source could be supplying most or all of its available power to other ports Or possibly the port is not configured to supply power To find the reason for the lack of power ask a network engineer to check the status of the source ports PoE flashes when the port does not supply power The source did no...

Страница 54: ...anner PoE EGK34 EPS The voltage detected on the pairs shown passive shows when the tester detects a passive power source A passive power source puts a constant voltage on the cable with no negotiation WCaution Before you connect a device to a port that supplies passive power make sure the power will not damage the device The power can damage devices not designed to operate with passive power 802 3...

Страница 55: ...for positive identification of cables in bundles page 50 Toning in IntelliTone Mode optional IntelliTone probe required 1 MicroScanner2 Press to select twisted pair or coaxial cable 2 Press or until IntelliTone and a scrolling pattern of 1s and 0s appear on the display and in Figure 33 To change the IntelliTone song press or The display shows the song number The tester has two IntelliTone songs 3 ...

Страница 56: ...16 and 18 6 Turn the probe s rotary switch to isolate 7 Use the probe to isolate the tone source in the cable bundle or at the patch panel The SYNC LED lights up green when the probe is receiving the IntelliTone signal The probe s LEDs light up from 1 to 8 as the signal strength increases The higher the number the stronger the signal EGK07 EPS Figure 33 IntelliTone Toner Mode Display A D C B ...

Страница 57: ...Using the Toner 47 EGK24 EPS Figure 34 Using the Toner in IntelliTone Mode Locating Cables Volume control Wall outlet Isolating Cables ...

Страница 58: ...croScanner2 Press to select twisted pair or coaxial cable 3 Press or until appears on the display then press or to select an analog tone The display shows a scrolling sinewave in analog toner mode 4 To change songs press or The display shows the song number The analog toner has four songs 5 Use the probe to search for the cable EGK25 EPS Figure 35 Analog Toner Mode Display A C B ...

Страница 59: ... ends Do not use this function on powered wires 1 Turn on the tester then connect the tester to the cable 2 MicroScanner2 Press to select twisted pair or coaxial cabling 3 Press or until appears on the display 4 Press or to select the analog toner mode IntelliTone disappears from the display 5 At the far end of the cabling place the probe near the ends of the cables 6 Momentarily short a wire pair...

Страница 60: ... select twisted pair cabling 2 Turn the probe s rotary switch to CABLE MAP 3 Connect the tester and probe to the cabling as shown in Figure 36 4 Press or until appears on the display IntelliTone mode is indicated by IntelliTone and a scrolling pattern of 1s and 0s on the display See Figure 36 5 The probe s LEDs light in sequence to indicate the cable s wiring See the probe s documentation for deta...

Страница 61: ...he tester s default NVP values are usually accurate enough to verify length however you can increase the accuracy of length measurements by adjusting the NVP to a specified or actual value The default NVP values are 70 for twisted pair cable and 82 for coaxial cable MicroScanner2 Note NVP values can vary among cable types lots and manufacturers In most cases these differences are minor and may be ...

Страница 62: ...length of cable To determine a cable s NVP 1 Turn on the tester while holding down the and or and keys 2 MicroScanner2 To set the NVP for the coaxial port press 3 Connect a known length of the cable to be tested to the tester s twisted pair or coaxial connector Notes The cable must be at least 49 ft 15 m long If the cable is too short appears for the length For the best accuracy use a cable betwee...

Страница 63: ...free cloth Clean the case with a soft cloth dampened with water or water and a mild soap WCaution To avoid damaging the display or the case do not use solvents or abrasive cleansers Battery Life Status and Replacement WWarningX To avoid possible electric shock or personal injury Turn off the tester and disconnect all test leads before replacing the battery Use only the correct type of batteries pr...

Страница 64: ...he Tester s Version Serial Number and MAC Address Turn the tester on while holding down the and or and keys Use and or to scroll through the screens Software version Serial number Factory test date MicroScanner PoE The first and second half of the tester s MAC address To exit this mode turn the tester off Learn More The Fluke Networks Knowledge Base answers common questions about Fluke Networks pr...

Страница 65: ...arranty information refer to the warranty at the beginning of this manual If the warranty has lapsed contact Fluke Networks for repair prices Table 3 Problems with the Tester Symptom Action The keypad does not respond Press and hold until the tester turns off then turn the tester on again The tester will not turn on Replace the batteries verifying that they are installed correctly See Figure 37 on...

Страница 66: ...tal Specifications Operating temperature 32 F to 113 F 0 o C to 45 o C Storage temperature 4 F to 140 F 20 o C to 60 o C Operating relative humidity RH without condensation 90 50 F to 95 F 10 o C to 35 o C 75 95 F to 113 F 35 o C to 45 o C Shock and Vibration Random 2 g 5 Hz 500 Hz Class 2 1 m drop test with and without wiremap adapter attached Safety IEC 61010 1 3rd Edition Altitude 4 000 m Stora...

Страница 67: ...tery type 2 AA NEDA 15A IEC LR6 alkaline batteries Battery life MicroScanner2 20 hours of typical use MicroScanner PoE 15 hours of typical use Other compatible battery types 2 AA photo lithium NIMH NICAD Dimensions and weight with batteries installed and wiremap adapter attached 3 in x 6 4 in x 1 4 in 7 6 cm x 16 3 cm x 3 6 cm MicroScanner2 13 oz 363 g MicroScanner PoE 8 7 oz 247 g Display Monochr...

Страница 68: ... Solicits and detects the presence of 802 3af at and bt single and dual Shows the class of power reported by the switch and the wattage specified for the class Uses 802 3 Link Layer Discovery Protocol LLDP when necessary to determine the switch s power Cable types tested Twisted pair UTP FTP SSTP Coaxial MicroScanner2 75 Ω 50 Ω 93 Ω Length test Range 460 m 1500 ft Resolution 0 3 m 1 ft Typical acc...

Страница 69: ...Mbps and 1 Gbps MicroScanner PoE Detects the advertised speed of 802 3 Ethernet ports with speeds of 10 Mbps 100 Mbps 1 Gbps 2 5 Gbps 5 Gbps and 10 Gbps LLDP negotiation MicroScanner PoE uses LLDP on 10 100 Mbps Ethernet networks to discover and negotiate PoE when necessary Tone generator Supports toning and cable mapping with a Fluke Networks digital IntelliTone probe Generates four tones compati...

Страница 70: ...as been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 Subpart J of the FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of the equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whate...

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