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Fluke 620 User Manual

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620
CableMeter
Users Manual
PN 938386 January 1994 Rev.2,12/94
© 1994 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.

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  • Page 1 ® CableMeter Users Manual PN 938386 January 1994 Rev.2,12/94 © 1994 Fluke Corporation, All rights reserved. Printed in U.S.A. All product names are trademarks of their respective companies.
  • Page 2 LIMITED WARRANTY & LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins on the date of shipment. Parts, product repairs and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable batteries or to any product which, in Fluke’s opinion, has been misused, altered, neglected or damaged by accident or abnormal conditions of operation or handling.

  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction ........................1 Safety Information ......................2 Getting Acquainted ......................3 Display, Switches, and Connections................3 Audible Signal (Beeper)..................... 5 Low Battery Indication ....................5 Battery Save Mode ....................5 Cable ID Unit ......................5 Selecting the Display Language ................
  • Page 4 Users Manual Maintenance........................20 General........................20 Replacing Batteries ....................20 When Something Goes Wrong................... 20 Performing a Self-Test ....................22 Verifying Proper Operation..................22 Returning the Test Tool for Repair ................22 Parts and Accessories....................23 Specifications ........................24...
  • Page 5 List of Tables Table Title Page International Electrical Symbols..................... 2 Features..........................3 Predefined Cable List ......................6 Active Pin Connections......................9 Twisted Pair Tests ......................... 10 Test Failures (without Cable ID Unit)..................12 Test Failures (with Cable ID Unit)..................14 Wire Map Failures (using Cable ID Unit) ................
  • Page 6 Users Manual...
  • Page 7 List of Figures Figure Title Page Cable Meter System ......................3 Rotary Switch......................... 4 Connections ........................... 4 Testing for Shorts ........................13 Battery Compartment......................20...
  • Page 8 Users Manual...

  • Page 9: Introduction

    620 CableMeter Introduction The test tool comes with the following: 1 620 Softcase The Fluke 620 LAN CableMeter (hereafter the test tool) 1 RJ45-RJ45 Straight-Through Patch Cable (EIA/TIA is a battery operated, handheld instrument that identifies 4 Pair Cat5) cable failures, measures length, and checks the wiring of...

  • Page 10: Safety Information

    Users Manual Safety Information Never connect the test tool to any telephony inputs, systems, or equipment, The international electrical symbols used on the including ISDN. Doing so is a instrument or in this manual are described in Table 1. misapplication of this product, which can result in damage to the instrument and create a potential shock hazard to the Table 1.

  • Page 11: Getting Acquainted

    CableMeter Getting Acquainted Table 2. Features Never operate portable transmitting devices during a cable test. Doing so ITEM FUNCTION might cause erroneous test results. Getting Acquainted A 2-line by 16-character LCD display. When there is more information than can be displayed on two lines, Display, Switches, and Connections and up arrow, down arrow, or bidirectional arrow appears in the left side of the display.
  • Page 12 Users Manual Measures the length of coaxial cables and Tests the attached cable and indicates each pair of twisted pair cable in feet or a “pass or fail” based on the meters and tests for anomalies. parameters specified for the selected LENGTH cable.

  • Page 13: Audible Signal (Beeper)

    CableMeter Preparing the Test Tool for Use Save feature may be disabled by turning the rotary switch Audible Signal (Beeper) to OFF, then pressing and holding while turning the The test tool uses an audible tone to signal different rotary switch to TEST. operational conditions.

  • Page 14: Selecting A Cable Type

    Users Manual Table 3. Predefined Cable List After connecting the cable under test to the appropriate connector on top of the test tool, you must select proper COAX cable type, category, and size before testing or measuring. It may also be necessary to calibrate the test EIA/TIA 4PR IBM TYPE 1 EIA/TIA 4PR 10BASE2 tool to the cable under test.

  • Page 15: Calibrating The Test Tool To The Cable

    CableMeter Preparing the Test Tool for Use Note Press until the desired category is displayed, then press Cables not wired according to the predefined cable list cause the test tool to detect failures. Press until the desired wire size is However, the test tool will determine the cable’s displayed.
  • Page 16 Users Manual Caution For proper calibration, connect the cable under test directly to the test tool, not through a patch cable. abm04f.eps Caution Note To ensure accurate measurements, make When you select a cable type for which the test sure conductive objects, including fingers, tool has already been calibration, “CAL”...

  • Page 17: Making Tests And Measurements

    CableMeter Making Tests and Measurements Table 4. Active Pin Connections Press until the known cable length is displayed, and then press . These cable DB-9 Line Name Data 8-Pin RJ45 parameters are stored and will remain in memory even if the test tool is turned off. All future Connector measurements for this cable type are compared to Color...

  • Page 18: Twisted Pair Tests

    Users Manual Table 5. Twisted Pair Tests for the selected cable type. If the test tool is not set up for the cable under test, refer to “Preparing the Failures No Cable ID With Cable ID Test Tool for Use”. Detected When you are testing twisted pair cables, the test tool Short...
  • Page 19 CableMeter Making Tests and Measurements When testing coaxial cables with a termination, the test tool displays the totatl resistance of the termination and cable wires. abm09f.eps Coaxial cables must be unterminated for the test tool to display the cable’s length. An open in a coaxial cable looks just like an unterminated cable.

  • Page 20: Test Failures (Without Cable Id Unit)

    Users Manual Table 6. Test Failures (without Cable ID Unit) Failure Display Description Short* Displays shorted wires and the most likely distance (UTP/FTP/STP) to the short. abm10f.eps Short* Displays the most likely distance to the short. COAX S H O R T abm11f.eps Open Displays open wires and whether the open is at the...
  • Page 21 CableMeter Making Tests and Measurements 80 Feet LAN CABLEMETER 0 SHORT SETUP ENTER LENGTH TEST WIRE MAP 70 Feet LAN CABLEMETER 0.5 SHORT SETUP ENTER LENGTH TEST WIRE MAP abm14f.eps Figure 4. Testing for Shorts...

  • Page 22: Test Failures (With Cable Id Unit)

    Users Manual Table 7. Test Failures (with Cable ID Unit) Failure Display Description Miswire Displays the incorrect wiring of the end connectors.* Open Displays the broken wire(s) and the distance to the break. Pair Length Indicates that the length of the pairs within a cable are abnormally different.

  • Page 23: Measuring Cable Length

    CableMeter Making Tests and Measurements “Preparing the Test Tool for Use" to select a new Measuring Cable Length cable setting. The test tool measures the length of both twisted-pair and Note coaxial cables. If the test tool is not calibrated to the cable under test, then factory default characteristics are sued to When the display flashes 999’...

  • Page 24: Checking The Wire Map

    Users Manual Length of a coaxial cable terminated in a resistance of the display if a cable calibration has been cannot be determined by the test tool. Only the total performed for the selected cable type. If the test tool resistance of the wire and termination is displayed.
  • Page 25 CableMeter Checking the Wire Map numbe when the Cable ID is detected but the Cable ID Pins connected to wires comprising twisted pairs are number cannot be detemined with certainty. grouped together in the display. Without a Cable ID Unit connected to the far end of the cable, the test tool displays “—“...

  • Page 26: Wire Map Failures (Using Cable Id Unit)

    Users Manual Table 8. Wire Map Failures (using Cable ID Unit) Failure Display Wiring Description Alternately displays an "s" with the actual wire number of each wire Short shorted. Because pins 2 and 3 are shorted, pins 1 and 6 do not (near end) appear to be paired.

  • Page 27: Setup Selections

    CableMeter Setup Selections To make a SETUP selection, do the following” Setup Selections Press The setup mode allows you to select cable characteristics and customize the test tool’s operation. Once changed, Press to step through the selections. these settings are stored and remain in the test tool even when it is turned off.

  • Page 28: Users Manual

    If it appears that the test tool is not working properly, perform the checks in Table 9 before returning the test tool to Fluke for repair. Repairs or servicing not covered in this manual should be performed only at an authorized Fluke Service Center.

  • Page 29: Basic Troubleshooting

    CableMeter Maintenance Table 9. Basic Troubleshooting Action Result Explanation Symptom 1: Display goes blank. 1. Turn the rotary switch to off, wait 5 Display is active The Battery Save feature turned the test tool off.* seconds and turn the switch to TEST. Display still blank Go to step 2.

  • Page 30: Performing A Self-Test

    Users Manual You will be prompted to install the Cable ID Unit on Performing a Self-Test the UTP/FTP connector. (NOT on the end of the The test tool periodically performs an internal self-test. cable.) When the internal self-test detects a problem, the test tool After installing the Cable ID Unit, press displays the following message: continue the self-test program.

  • Page 31: Parts And Accessories

    N6201 Cable ID Kit (2 through 4) 946801 will be promptly repaired or replaced (at Fluke’s option) N6202 Cable ID Kit (5 through 8) 946806 and returned to you at no charge. See the registration...

  • Page 32: Specifications

    Measurement Units in Feet: 1 ft Case, Top 949102 Measurement Units in Meters Case, Bottom 938449 Battery Door 938451 Cables < 100 meters: 0.5 m 620 Shaft extender 938456 Cables > 100 meters: 1 m Knob 880815 Softcase 454389 Lens 946868...
  • Page 33 CableMeter Specifications Failures Detected Split pair part of the cable must be at least 2 meters (6 ft) in length and greater than 10 % of the total cable length. Shorts Coax Termination Measurements Range of short detection: 0 m to 350 m (1 ft to 999 ft) Any loop resistance value between 5 ohms and 350 Accuracy of distance to a short (Assumes short is 0 ): ohms is interpreted as a termination resistance.

  • Page 34: Cable Test Characteristics

    Users Manual Table 11. Cable Test Characteristics Cable Wiring PASS/FAIL Pins UTP/FTP* EIA/TIA 4 PR Pins 12 36 45 78 (RJ45) 10BASE-T 2 PR Pins 12 36 TOKEN RING 2 PR Pins 36 45 TP-PMD 2 PR Pins 12 78 USOC 4 PR Pins 18 27 36 45 USOC 3 PR...

  • Page 35: Coax Cable Characteristics

    CableMeter Specifications Table 12. Coax Cable Characteristics 620 Coax Setup Impedance Resistance Capacitance Example (Center Conductor + Shield) 10 BASE2 14.6 /1000 ft 25.4 pF/ft Trade No. 9907 47.9 /km 83.3 pF/m 10BASE5 2.94 /1000 ft 26.0 pF/ft Trade No. 9880 9.66 /km...
  • Page 36 Users Manual Altitude: Power Non Operating: 0 km to 12 km (40,000 ft) Two AA size 1.5 V alkaline batteries Operating: 0 km to 4.57 km (15,000 ft) Battery Type: ANSI/NEDA-15A or IEC-LR6 Low Battery indicated in the display Electromagnetic Compatibility: Typical Battery Life: 50 hours Meets FCC part 15-b Timed Power-Off Function...

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