Sunrise Global Cable Explorer TDR Module Outdoor Kitchen Island User Manual
Contents
1. CEAOOO Cable Explorer TDR Module CE4000 Cable Explorer TDR User Manual Version B00 March 2004 lt gt SUNRISE TELECOM BROADBAND Part number MAN 13186 001 CE4000 Cable Explorer TDR User Manual DISCLAIMER Information in this documentis subjectto change without notice and does not represent a commitment on the part of Sunrise Telecom Broadband Inc The software and or hardware described in this document are furnished under a license agreement or nondisclosure agreement The software may be used or copied only in accordance with the terms of the agreement Itis against the law to copy the softwareon any medium exceptas specifically allowed in the license or nondisclosure agreement The purchaser may make one copy of the software for backup purposes No part of this manual and or hardware may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording or information storage and retrieval system for any purpose other than the purchaser s personal use without the express written permission of Sunrise Telecom Broadband Inc Throughout this book trademarked names are used in an editorial manner only and to the benefit of the trademark owner with no intention of infringement of the trademark Where such designations appear in this book they have been printed with initial capital letters SUNRISE the SUNRISE logo are registered trademarks of SU2. Manufacturers provide Return Loss specifications for most RF components OPEN SHORT o SPUCE TAP OR SPLITTER N CORRODED CABLE KINK CONNECTOR ME WET SPLICE WATER INGRESS DIPLEXER OR TUNER Figure 3 4 TRACE SIGNATURES The TDR trace can be interpreted beyond the typical open and short condition Cable impairments and components on the network have characteristic traces or signatures representing both good and bad performance Figure 3 4 gives examples of typical trace signatures forcommon cable faults and components Some variation should be expected in component signatures Technicians should note the characteristic trace signature of good components as they use the TDR to recognize the bad traces when testing similar components Remember that the cable under test has loss which increases with distance so the Chapter 3 Measurements farther the reflection is from the TDR the higher the cable loss Be sure to increase the TDR s vertical gain to display any impairments that could be hidden by the cable loss TDR TESTS WITH THE CE4000 The CE4000 has two basic TDR modes Auto and Manual Auto is an automatic mode which automatically tests the cable connected to the CE4000 sets the Pulse Width Horizontal Gain and Position Vertical Gain and places the Markers on the first fault to make a distance measurement to the fault Manual is a secondary mode that allows the user to control all of the TDR functions To prov
3. function key the TDR screen is displayed just as it was stored When the screen was saved the data which produced the test results was stored not just a bitmap image Thus additional Chapter 3 Measurements views of the data are available by pressing the Nest F1 function key to display the next fault or the Adjust F2 function key to adjust the vertical gain or horizontal gain range Two stored files may be compared by pressing the Compare F3 function key and selecting a second saved file DISPLAY CONTROLS The Up and Down arrow keys adjustthe vertical gain Increasing the vertical gain shows smaller reflections from faults higher return loss The Left or Right arrow keys adjust the horizontal gain range ofthe display as shown in Figure 3 21 In comparing Figure 3 21 to Figure 3 22 notice that the horizontal scale has increased from 250 to 500 showing a second fault at 480 Stored ims Em VOP 85 0 20nS D M2 5 5dB 178 0ft Next Adjust Compare Load Figure 3 21 NEXT The Next F1 function will sequence the CE4000 s Auto test mode from the first fault to any subsequent faults on the cable under test Figure 3 22 The marker is set automatically to the next reflection fault the vertical and horizontal scales are adjusted and the measurements are displayed If no faults are found the CE4000 will display a message over the TDR screen which indicates No Faults and the range of the TDR test Once
4. 1 2 F 2 Often faults are not pure opens or shorts and therefore may resultinacomplex reflected trace System components typically have reactive components capacitors and inductors and will produce complex trace displays Although the TDR is not designed to test system components each component will have a typical signature that often can be used to determine the difference between a good and bad component A collection of sample traces is provided in the Appendix See the Operation section of this manual for procedures to make specific measurements with the CE4000 including cable loss return loss and distance to a fault LOSS AND RETURN LOSS RTL The severity of a fault is determined by the amplitude of the reflection More severe faults will reflect more of the energy back to the TDR The vertical scale is calibrated with 0 dB equal to the amplitude of the incidence pulse both positive and negative axes The scale then increases logarithmically as it approaches the center where the horizontal axis crosses The loss may be read from the trace using the vertical axis or more accurately read from the digital readout The severity of the fault or the quality of the termination is typically measured in Return 33 34 CE4000 Cable Explorer TDR User Manual Loss RTL RTL is the ratio of the reflected signal to the transmitted signal in dB A 20 dB return loss means that the reflected signal is 20 dB down from the transmitted signal
5. be selected form the list of Magenta Red Cyan Green Blue Black and Brown The default is Blue 21 CE4000 Cable Explorer TDR User Manual 22 Cable Select Detail To access the Cable Select selection screen Figure 2 4 press the Setup button on the keypad highlight the Cable Select icon using the arrow keys and press ENTER F4 Select Cable imu E F Loss 1808 Cable Manufacturer JOP 758MHz P3 412 Commscope 87 0 2 78dB P3 500 Commscope 87 0 2 16dB P3 565 Commscope 89 0 1 85dB P3625 Commscope 87 0 1 78dB P3 700 Commscope 89 0 1 49dB P3 750 Commscope 87 0 1 48dB P3840 Commscope 89 0 1 30dB P3 875 Commscope 87 0 1 29dB Next Set Previous Set Select More Figure 2 4 SELECT A CABLE Forcable selection select the Cable Selecticon and use the Next Set F1 or Prev Set F2 key to sequence through the pages of cable data Next use the up down arrows to highlight the cable to be made active and then press the Select key F3 The cable type manufacturer VOP velocity of propagation and typical loss of 100 feet of cable at 750 MHz are all displayed The VOP of the selected cable will be used in calculating the distance to cable faults in the TDR mode Cable data for approximately 50 common cable types is available Cable Up to 10 characters describing the cable type Manufacturer Up to 12 characters describing the manufacturer of the cable VOP Three digits describing the cable s VOP as a
6. M2 Pulse Gain Pos Save Figure 3 15 GAIN POS The Gain Pos F3 function key toggles the Leftand Right arrow keys to control the horizontal position and range on the CE4000 display Pressing the Gain Pos F3 key once will display Gain next to the screen name upper left portion of the screen highlighted by a green background Figure 3 16 and will allow the Right and Left arrow keys to sequence through the horizontal gain ranges The CE4000 full scale ranges are 100 250 500 1300 2700 and 5500 feet or 30 76 152 396 822 and 1676 meters Pressing the Gain Pos F3 key a second time will display Pos next to the screen name upper left portion of the screen highlighted by a green background Figure 3 17 and will allow the Right and Left arrow keys to slide the horizontal scale to the left or right on the display increasing or decreasing the full scale value but not changing the range POS allows the user to re position the trace on the display Chapter 3 Measurements 47 Manual Gain fe E p VOP 85 0 20nS ot M2 MIN 12 548 DION 470 0rt M1 M2 Pulse Gain Pos Save Figure 3 16 Manual Pos imk E wm F VOP 850 20nS oMI 15 dB 250 500 750 15 0 M2 12 5dB 478 0ft M1 M2 Pulse Gain Pos Save Figure 3 17 Using a combination of Gain and Pos the user can expand the horizontal resolution and view any distance on the horizontal scale CE4000 Cable Explorer TDR User Manual 48 SAVE The Save F4
7. No Faults is found the TDR will wrap back around to the original test screen displaying the first fault 3l 52 CE4000 Cable Explorer TDR User Manual Stored Next imh E p VOP 85 0 20nS 0 MI 15 dB 250 500 15 0 M2 12 5dB 488 0ft Next Adjust Compare Load Figure 3 22 ADJUST The Adjust F2 function allows adjustment of the Pulse Width using the Up Down arrow keys as shown in Figure 3 23 Typically two pulse widths will be stored automatically depending on the mode and length of cable under test Only Pulse Widths stored may be viewed After pressing the Adjust F2 function key you may also press the Left Right arrow keys to adjust the position of the second marker M2 As in the Manual operating mode the digital display measures the Distance and Loss relative to the placement of the M2 marker The correct placement for distance measurements is at the beginning of the risingedge ofthe reflected trace The Loss measurementis made automatically 1 2 the distance of the pulse width to the right of the marker placement Pressing the Adjust F2 key again will turn the adjust mode off Chapter 3 Measurements Stored Adjust imh E F 0 M2 12 5dB 478 0ft Next Adjust Compare Load Figure 3 23 COMPARE The Compare F3 function key displays a Stored Data screen Figure 3 19 prompting the user to select a second saved screen to display The first and second screens will be displayed simultaneously the fir
8. from the fault Loss The Loss is the measurement of the Return Loss at the fault plus two times the cable loss over the distance from the TDR to the fault The TDR displays the distance measurement both on the horizontal scale and digitally for the placement of the M2 marker MI is automatically placed at the beginning of the cable under test and M2 is placed at the point of the reflection fault The loss at the point of the reflection is also displayed indicating the return loss of the reflection or the ratio of the level of the reflection to the level of the incidence pulse in dB The vertical scale is logarithmic with level marks also indicating the ratio of the reflected pulse to the incidence pulse Function Keys At the bottom of the display are additional function keys M1 M2 F1 Pulse Width F2 H Pos Gain F3 and Save F4 These may be used to further investigate the results of the TDR display MI M2 The MI M2 F1 function will sequence the Left and Right arrows between controlling the MI marker the M2 marker both markers and turning off both markers The selected marker is indicated at the top left of the display next to the screen name and is highlighted with a green background Use the Left and Right Arrow keys to move the selected marker The marker may be moved one pixel at a time with one press of the button or the button may be held down causing the marker to sequentially move in larger increments C
9. function key freezes the current screen and permits the entry of a Site Name for the screen to be stored Figure 3 18 Up to 10 characters may be entered to describe the screen data Use the alphanumeric keys to enter the information Press ESC to back up one space if the wrong character is entered Press Enter when the desired Site Name is displayed The type of display date and time will be saved automatically along with the data Manual Save ish E wm p VOP 95 0 20nS 0 MI 15 7 Enter Site Name dB lt Enter gt Completes lt Esc gt Backspaces 151 0 M2 12 5dB 470 0ft M1 M2 Pulse Gain Pos Save Figure 3 18 Chapter 3 Measurements STORED FILES Screens that have been saved may be recalled to the display through the Stored Data icon on the Main Menu Stored Data Eo Stored Datalog Information Entr Date Type 1234 Main 10 16 2001 10 32 07 TDR Plot 2345 Main 10 17 2001 14 22 09 TDR Plot 2345 Main 10 18 2001 16 19 01 TDR Plot Next Set Previous Set Display More Figure 3 19 Highlight the Stored Files icon from the Main Menu using the arrow keys and press Enter F4 The Stored Files screen will be displayed as shown in Figure 3 19 The display lists the Stored Data Log information that has been stored using the Save functions in the Manual or Automatic measurements modes The information listed is the site name that the user entered for the screen when it was saved the date and time and typ
10. percentage to the nearest 0 1 Loss 100 feet at 750 MHz The typical loss of the cable at 750 MHz for a length of 100 feet Chapter 2 Setup Additional functions as shown in Figure 2 5 are available by pressing the More F4 key Cable data may be edited or changed using the Insert F1 Delete F2 or Edit F3 key Pressing More again returns you to the original Cable Select screen Select Cable ima E F Loss 188 Cable Manufacturer JOP 758MHz P3412 Commscope 87 0 2 78dB P3 500 Commscope 87 0 2 16dB P3 565 Commscope 89 0 1 85dB P3625 Commscope 87 0 1 78dB P3700 Commscope 89 0 1 49dB P3750 Commscope 87 0 1 48dB P3 840 Commscope 89 0 1 30dB P3875 Commscope 87 0 1 29dB Insert Delete Edit More Figure 2 5 INSERT Press the Insert F1 key to open a new screen similar to the one shown in Figure 2 6 data fields blank to provide fields for entering the new cable data Cable Type Enter up to 10 characters describing the cable type using the alphanumeric keypad Cable Manufacturer Enter up to 12 characters describing the cable manufacturer using the alphanumeric keypad VOP Use the Up and Down arrow keys to increment decrement until the desired VOP is displayed in the three digits describing the cable s VOP as a percentage to the nearest 0 1 Loss 100 feet at 750 MHz Use the Up and Down arrow keys to increment decrement until the desired loss is displayed in the three digits descri
11. the right of the keypad and is protected by a small cover held in place by two Phillips head screws Remove the two Phillips head screws and the protective cover The memory card will be visible in the slot A small rectangular shaped button to right of the memory card will also be visible Press this button to eject the memory card from its slot and then pull the card out of the slot a pair of tweezers or needle nose pliers may be helpful CE4000 Cable Explorer TDR User Manual 58 Insertthe new memory card and press it firmly but gently into the slot Replace the protective cover Powering the unit on Will automatically load the new software into the CM1000 This process may take several minutes depending on the software being loaded The Link LED will flash green during the software update process Be sure to seat the memory card fully and tighten the access cover screws Note The CompactFlash card installs with the Sunrise label facing down Chapter 5 Maintenance and Service 59 TECHNICAL SUPPORT Sunrise is located in the Eastern Time zone with regular office hours from 8 00AM to 8 00PM A toll free number service covering all of North America is provided at no charge Key Sunrise personnel can always be reached any time of the day through a toll free number or electronic mail service over the Internet International customers should contact the nearest Sunrise Representative or the factory at 1 725 6652 or by fax at
12. this utility for a known length or known VOP 20 CE4000 Cable Explorer TDR User Manual System Setup imh E f Backlight Timer Disabled Power Down Timer Disabled Time 101122 15 Date 2001 Serial Speed 115200 Units Plot Fill Disabled Plot 1 Color Magenta Plot 2 Color Blue Next Field Previous Field Save Exit Figure 2 3 System Setup Detail SYSTEM The System Setup screen Figure 2 3 can be accessed at any time by pushing the Setup button on your CE4000 keypad highlighting the System icon and pushing Enter F4 The Next Field F1 key allows the user to move forward through the screen menu The Prev Screen F2 key allows the user to move backward through the screen menu The Save F3 key activates and saves any changes Exit takes you back to the Setup menu BACKLIGHT TIMER The backlight timer default is Disable When Enabled it will automatically turn off the backlight after one minute of operation if no keys are pressed Press Save to activate your choice and save the parameter to memory Even with the backlight timer Disabled the CE4000 will automatically turn the backlight off after 15 minutes if no keys are pressed POWER DOWN TIMER The Power Down Timer default option is Enable This option will power the unit down after a 3 minute period of inactivity When disabled the unit will remain powered on until turned off manually utilizing the power button Press Save to activate your choic
13. to the right of the incidence pulse allowing measurements right up to the connector on the CE4000 Figure 3 2 shows a typical CE4000 TDR display The incidence pulse is shown to the left of the display just left of the 0 on the horizontal distance scale The reflection pulse can be seen just below the 200 foot mark on the horizontal scale The CE4000 offers pulse widths of 10 nSec 20 nSec 50 nSec 100 nSec 200 nSec and 350 nSec Faults at longer distances may be masked by the cable loss Longer pulses represent more 32 CE4000 Cable Explorer TDR User Manual energy and a lowerfrequency and thus more energy is transmitted and less loss is present in the cable This allows a longer range The range is dependent on the VOP and pulse width used for the test A table providing maximum ranges for each pulse width is provided in the Appendix lt Amplitude of Incidence Pulse Amplitude of Reflected Pulse Amplitude dB Distance gt Time of Time of Incidence Pulse Reflected Pulse Figure 3 3 THE TDR TRACE The TDR trace provides detailed information about the cable under test The horizontal axis is calibrated in distance either feet or meters The vertical scale is calibrated in dB of loss with both positive and negative axes The positive axis represents reflections which result from impedances higher than the nominal 75W impedance of the cable The negative axis represent
14. 1 514 725 5637 North America Toll Free 1 800 297 9726 Outside of North America 1 514 725 6652 E mail address for Technical Support catv sunrisetelecom com website www sunrisetelecom com WARRANTY Sunrise warrants the CE4000 Cable Explorer TDR module against defects in materials and workmanship for a period of one year from receipt by the customer During the warranty period Sunrise will at its option repair or replace defective products Liability under this warranty extends only to the replacement value of the equipment This warranty does not apply under the following conditions The CE4000 has been partially or fully disassembled altered or repaired by persons not authorized by Sunrise The CE4000 is installed or operated other than in accordance with instructions contained in its operating manual No other warranty is expressed or implied Sunrise is not liable for consequential damages 60 CE4000 Cable Explorer TDR User Manual RETURNING EQUIPMENTTO SUNRISE Sunrise manufactures equipmentto very high standards Products are warranted against defects in materials and workmanship as specified in our published product warranty When properly used and operated your equipment will provide many years of service Should it become necessary to return the equipment to Sunrise for in or out of warranty repairs or calibration the following steps should be followed Note If products are repaired or alte
15. 53 Performance Specifications and Key Features 53 Horizontal RESOIUTON cscs se ernennen 53 Vertical MesolUtlonN meer vereeon anna 53 RANGE oe EEN arrede hann Input Protection Measurements Waveform Storage ss attest svisino kvi zeton 53 Cable VOP Database 2 tatoont doriere EE TEF EAEE SENi 53 Environmentarers Heer enter eat 54 CE4000 Cable Explorer TDR User Manual BEE 54 za 1 Rennen 54 Chapter 5 Maintenance And Service ee eeo 55 Introduction sise 55 Battery Replacement ss 55 General Maintenance sssssenssunsenrnnnennnnnnnnnnnnnnnnnnnnnnn 56 Internal Rechargeable Battery 0 0 cece eee terete 56 CIGANING EE 56 Troubleshooting eseessennnnnnnnnannnnnnnnnnnnnna Firmware Upgrades CompactFlash Card Replacement Technical SUPPOR eege scp ee een Warranty E 59 Returning Equipment To Sunrise 11esene i 60 Chapter 6 Appendix sine 63 Additional Cable 2 63 Chapter 1 General Information 7 Chapter General Information INTRODUCTION The CE4000 TDR Time Domain Reflectometer module is for use with the CM1000 Cable Modem System Analyzer The Cable Modem System Analyzer tests both upstream and downstream DOCSIS Data Over Cable Systems Interface Specification paths in terms of error rate transmit level lost packets and cable modem power ranging and reg
16. Beldon 59 Beicon 6 Beldon7 Bedoni Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope Comscope rilogy rilogy rilogy rilog rilog rilog rilog rilog rilog Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Times Fiber Beldon Beldon Beldon Beldon Attenuation 750 MHz 2 65 dB 2 04 dB 1 78 dB 1 66 dB 1 44 dB 1 38 dB 1 26 dB 1 21 dB 1 21 dB 1 80 dB 1 36 dB 1 17 dB 0 93 dB 3 15 dB 6 97 dB 5 65 dB 4 57 dB 3 65 dB 2 13 dB 1 83 dB 1 50 dB 1 25 dB 0 97 dB 7 34 dB 5 76 dB 4 64 dB 3 79 dB 2 68 dB 2 16 dB 1 79 dB 1 48 dB 1 29 dB 1 21 dB 1 85 dB 1 49 dB 1 30 dB 1 01 dB 1 82 dB 6 96 dB 5 62 dB 4 50 dB 3 58 dB 2 23 dB 6 97 dB 5 35 dB 4 13 dB 3 39 dB
17. Maintenance and Service 57 TROUBLESHOOTING If the CM1000 fails to operate and no front panel indicators are illuminated the internal nickel metal hydride battery may be discharged Use the supplied AC adapter to power the unit and recharge the battery If the failure persists while using the AC adapter call Sunrise for service If the internal battery fails to recharge verify that the AC adapter is actually sending power to the CM1000 Plug the AC adapter into the CE4000 RECHARGE input and then connect the AC adapter to the 115VAC source Turn the CM1000 on to test the battery condition and then back off If the internal battery fails to recharge but the AC adapter delivers power to the CM1000 the battery may be deeply discharged or damaged A deep discharge requires a longer charge time Ifthe battery is not restored to normal operation by an eight hour recharge unit off call Sunrise for service Firmware Upgrades Firmware upgrades may be downloaded from the Sunrise web site at www sunrisetelecom com Complete instructions are provided at the web site CompactFlash Card Replacement The CE4000 utilizes a removable CompactFlash card for future expansions and or firmware upgrades Before removing the CompactFlash card be sure that the CM1000 is off Set the unit on its side on a flat surface with the plug in module slot facing upward and the keypad facing you The memory card slotis located on the side of the unit just to
18. NRISE TELECOM INC All other trademarks copyrights logos brand names etc mentioned herein are the property of their respective owners Contents v Contents Chapter 1 Chapter 2 Chapter 3 Chapter 4 General Information Introduction ssssssennnnnnennnnannnnannnnnnannnnnann Instrument Overview i snssesnnnnnnnnnnnnnnnnnaanan 5 CM1000 Mainframe and CE4000 Module 6 CE4000 Keyboard Functions uussnsannnennnnannnannnnennnnnnnnnn 8 Preparation For Use ss 10 Unpacking And Initial Inspection esse esee 10 Shipment Contents Cha rging Instr ctions u un range 11 Power Requirements uurssnnsensnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnn Safety Precautions unseessenseersnnennnnnnnnnnnnnnnnennnnnennnn nennen First Time Module Installation SUD as nein 15 Getting Started ns 15 Power Up To Self Test Screen AA 15 Main Menu Screen Detail 16 Setup Overview serres 17 System Setup D tail sx sss masao 18 Cable Select Detail SEITE 20 Se Measurements ssssssssssesnsannnnnnnnnnnnnas TDR Basics Locating Cable Faults TDR Tests with the CE4000 ssesesseeneoons 33 AUTO Test Mode na ta ee Sege eh s ries 34 Manual TDR Measurements ssseeeeersenrnrreren nr 40 Specifications ns
19. bing the cable s loss per 100 feet at 750 MHz to the nearest 0 01 dB 23 CE4000 Cable Explorer TDR User Manual 24 Cable Insert E E F CableType Cable Manufacturer Cable VOP Cable Loss 5 69 Jop Next Field Prev Field Save Exit Figure 2 6 DELETE Press the Delete F2 key to delete the currently highlighted cable Note No warning or confirmation is provided Data for the highlighted cable is deleted and can only be recovered by re entering the data A list of the standard cables and data is provided in the Appendix for reference EDIT Press the Edit F3 key to open the screen that displays the data for the highlighted cable Figure 2 7 Only the VOP and the Cable Loss may be edited Use Insert to add additional cable types SELECT A FIELD Press Next Field F1 or Prev Field F2 to sequence through the VOPandLoss data fields Data may be changed by using the up and down arrow keys SAVE Save changes by pressing the Save F3 key Chapter 2 Setup Cable Edit F Cable Type Cable Manufacturer Comscope Cable VOP 85 0 Cable Loss dB Next Field Prev Field Save Exit Figure 2 7 EXIT Press Exit to return to the Select Cable main screen Cable Test Cable Test determines the VOP of a cable if the length of the cable is known This simple method only requires knowing the length of cable The length of the cable is entered into the CE4000 and the unit calculat
20. ction by the carrier and notify the carrier as well as Sunrise If the container or shipping material is damaged check the contents for completeness Check the mechanical and electrical condition of the CE4000 Notify Sunrise if the contents are incomplete if there is mechanical damage or defect or if the CE4000 does not pass its internal self test Chapter 1 General Information 13 Shipment Contents The CE4000 TDR module comes with e CE4000 01 module e CompactFlash memory card e User manual Charging Instructions Charge the CM1000 before its first use for approximately 8 hours To avoid damaging the internal battery optimize its life and guarantee a full charge in 6 8 hours follow these steps e Let the CM1000 cool to room temperature before recharging e Turn the CM1000 OFF before plugging in the charger Leave the CM1000 OFF while recharging e Always leave the charger connected whenever the CE4000 is not in use Caution Do not charge the CM1000 while above room temperature or with the unit turned ON The internal battery can become hot reducing its life and significantly increasing the time required to reach full charge Power Requirements Operate the CM1000 from its internal battery the supplied external AC adaptor or the optional 12 VDC adaptor The supplied AC adaptor is a universal adaptor that converts 100 240 VAC 50 Hz or 60 Hz to 18 VDC at 2 8A maximum The AC adaptor can power the unit for norma
21. e and save the parameter to memory Chapter 2 Setup TIME DATE The time and date on the CE4000 is set from the System Setup screen Figure 2 3 The time and date are in the formats hh mm ss and mm dd yy Simply use the next field F1 or the Prev Field F2 keys to highlight the parameter you would like to change and use the Up Down arrow keys to increment through the choices The clock in the CE4000 is set in a 24 hr time format Press Save to activate your choice and save the parameters to memory SERIAL PORT SETTINGS The serial port speed settings may be set by highlighting them using the Next Field F1 or the Prev Field F2 keys and then choosing the desired value by pressing the Up Down or Left Right arrow keys Press Save to activate your choice and save the parameter to memory Available Serial port speeds baud rates 115 200 and 19 200 and 9600 UNITS The CE4000 may be set to US measurement units of feet ft or to meters m PLOT FILL The default mode is Disabled In the default Disabled mode the incidence pulse and reflections are displayed as a simple line graph on the display When Plot Fill is Enabled the TDR trace will be filled in under the trace to enhance the viewability PLOT 1 COLOR The color of the main TDR trace may be selected from the list of Magenta Red Cyan Green Blue Black and Brown The default is Magenta PLOT 2 COLOR The color of a second trace used when comparing traces may
22. e of screen that were stored The list is sorted by the date and time most recent listed first Screens may be selected using the arrow keys to highlight the data and pressing the Display F3 key Approximately 50 screens may be saved As shown in figure 3 19 the user is offered the functions Next Set Prev Set Display and More Next Set With Next Set F1 allows the user to scroll a page at a time Page Down CE4000 Cable Explorer TDR User Manual 50 Stored Data Ge E F Stored Datalog Information 1234 Main 10 16 2001 10 30 15 TDR Plot 1234 Main 10 16 2001 10 32 07 TDR Plot 2345 Main 10 17 2001 14 22 09 TDR Plot 2345 Main 10 18 2001 16 19 01 TDR Plot Erase Erase All More Figure 3 20 Prev Set Previous Set F2 allows the user to scroll backward a page at a time Page Up Display Recalls the stored screen to the display More Provides the user with additional functions Erase Erase All and More Figure 3 20 Erase Erase F1 clears the currently selected set of data from the file Note No warning is provided and recovery is not possible Once the ERASE F1 key is pressed the data is lost Erase All Erase All F2 clears all of data from the files Note No warning is provided and recovery is not possible Once the ERASE ALL F2 key is pressed the data is lost More More F4 wraps back to the original list of functions When the user selects a Stored File by pressing the Display F3
23. ection reduces the energy delivered to the second fault and prevents an accurate measurement of the return loss at subsequent faults Auto is the fastest and most accurate mode of operation Under microprocessor control the CE4000 can sequence through the various TDR settings very quickly and provide the best display of the test results Since the Auto test results are calculated based on the raw test data the accuracy is not subject to the limitations of the display resolution as with most TDRs DISPLAY The CE4000 color display provides comprehensive information and measurement details Top Bar The top bar provides basic unit information including the current test mode Manual The battery icon indicates the unit is operating from battery power the bar graph indicates the battery charge condition full the VOP 85 0 used for the test and the Pulse Width 20 nSec 43 44 CE4000 Cable Explorer TDR User Manual Axes The horizontal and vertical axes depict the distance to the fault and the severity of the fault in dB of Return Loss The scale of the axes is dependent on automatic or manual settings with the numeric values shown with calibrated tic mark locations Markers Two markers are provided and automatically placed The Loss and DIST measurements are made at the markers Arrow keys can be used to move the markers DIST Distance is the measurement of the cable s distance from the TDR to the reflection
24. ent of the cable s distance from the TDR to the reflection from the fault Loss The Loss is the measurement of the Return Loss at the fault plus two times the cable loss over the distance from the TDR to the fault 37 38 CE4000 Cable Explorer TDR User Manual The TDR displays the distance measurement both on the horizontal scale and digitally based on the placement of the M2 marker M1 is automatically placed at the beginning of the cable under test and M2 is placed at the point of the reflection fault The loss at the point of the reflection is also displayed indicating the loss to the reflection or the ratio of the level of the reflection to the level of the incidence pulse in dB The vertical scale is logarithmic with level marks also indicating the ratio of the reflected pulse to the incidence pulse Note An open or shorted cable would only measure the loss of the cable between the TDR and the fault since both short and open will reflect 100 of the pulse At the bottom of the display the user is offered additional function keys Next F1 Zoom F2 Peak Hold F3 and Save F4 to further investigate the results of the TDR auto test NEXT The Next F1 function will sequence the CE4000 s Auto test mode from the first fault to any subsequent faults on the cable under test as shown in Figure 3 8 Auto dech E F VOP 85 0 20 nS a Mi 151 dB 151 0 M2 12 5dB 478 8ft Next Zoom Peak Hold Sa
25. ents Loss Measurement accuracy 2 dB VOP 0 01 Velocity of Propagation 300 to 990 or 30 0 to 99 0 Increments 0 001 or 1 Pulse Widths 10 20 50 100 200 350 Waveform Storage Full resolution Standard 25 Automatic Noise Filter Power filters 50 amp 60 Hz Cable VOP Database Pre Programmed Database 50 Common Cables Cable Loss Compensation CE4000 Cable Explorer TDR User Manual 54 Environment Min Operating temperature 0 C Max Operating temperature 50 C Humidity non condensing 95 Storage temperature 4 deg F 20 C to 140 deg F 60 C Interfaces RF Input 75 ohm F81 Do not exceed 90V AC DC or 10V gt 1 MHz RS232 serial port DB9 female RJ 45 Ethernet 10 100Base T Power Internal NiMH battery pack part number ASY 12183 010 Operating time 3 hours continuous typical Automatic low battery shutdown Charger Input Min 15 5 VDC 2 5A Max 18VDC 2 8A Display Color Active Matrix LCD 320 x 240 Backlight Programmable Auto Off Physical Size 11 high x 5 wide x 2 3 4 deep Weight 3 Ibs Operating Temperature Range 0 C to 50 C 32 F to 122 F Chapter 5 Maintenance and Service 55 Chapters Maintenance And Service INTRODUCTION This section contains information on maintenance and service for the CM1000 Cable Modem Analyzer Battery Replacement The CM1000 uses a user replaceable nickel metal hydride battery Battery replacements are availab
26. er test the CE4000 will automatically go to the first cable fault place the marker at that location and display the distance to the fault Auto is the fastest and most accurate mode of operation Under microprocessor control the CE4000 can sequence through the various TDR settings very quickly and provide the best display of the test results Since the Auto test results are calculated based on the raw test data the accuracy is not subject to the limitations of the display resolution as with most TDRs Chapter 3 Measurements Auto dech E sm F VOP 850 20 nS 0 MI 15 dB 0 200 15 R M2 5 508 DION 183 2ft Next Zoom Peak Hold Save Figure 3 7 DISPLAY The CE4000 color display provides comprehensive information and measurement details Top Bar The top bar provides basic unit information including the current test mode Auto The battery icon indicates operation from battery power the bar graph indicates the battery charge condition full the VOP 85 0 used for the test and the Pulse Width 20 nSec Axes The horizontal and vertical axes depict the distance to the fault and the severity of the fault in dB of Return Loss The scale of the axes is dependent on automatic or manual settings Calibrated marks with numbers are provided Markers Two markers are provided and automatically placed in the Auto test mode The Loss and DIST measurements are made at the markers DIST Distance is the measurem
27. es or to block the fan blades Blocking airflow or stalling the fan can cause overheating Note Always follow the procedures outline in this manual and do not attempt to modify the CE4000 or to use in any manner not intended or outlined in this manual Chapter 1 General Information FirstTime Module Installation When installing the CE4000 into your existing CM1000 chassis please follow these instructions carefully The CE4000 module is shipped with a replacement CompactFlash memory card To install the module Memory Card Memory Card Cover Thumbscrew LJ Figure 1 4 1 Power down the CM1000 2 Loosen the four module thumbscrews and remove the CM1000 module Be sure to place the CM1000 module in the optional carry bag or other safe location 3 Insert the CE4000 TDR module seating it firmly and tighten the four thumbscrews 4 Remove the CompactFlash memory card cover eject and remove the original memory card See detailed instructions for memory card replacement in the Service section of this manual 5 Insert the new CompactFlash card being sure that itis fully seated in the socket Sunrise label facing down and replace the cover 6 Connect the AC charger to the CE4000 CE4000 Cable Explorer TDR User Manual 16 7 After turning the power on a message will be displayed that the CE4000 is loading This process takes approximately 10 minutes Once the process is completed follow the on screen instruc
28. es the appropriate VOP for that length of cable under test Since the VOP is directly proportional to the distance measurement a 1 error in the VOP will project a 1 error in the distance measurements Determining an accurate VOP is critical to the accuracy of the distance measurements When possible choose a test cable of at least 100 feet 30m to reduce calculation errors Longer cables increase the accuracy but may be difficult to measure accurately Also avoid cable on reels since the coiling slightly affects the VOP Lengths marked on spools are often inaccurate To determine the VOP of a cable using the CE4000 select the Setup icon from the Main Menu or press the Setup key Next select the Cable Test icon and press enter The screen shown in Figure 2 8 is displayed 26 CE4000 Cable Explorer TDR User Manual Cable Test imh Em F Adjust K Cable VOP D 126 ft Cable Length Find VOP Find LEN Save Figure 2 8 SET CABLE LENGTH Use the Left Right arrow keys to adjust the Cable Length displayed to the length of the cable under test The arrow keys willincrementor decrement the numbers displayed slowly when first pressed The step size of change will increase the longer the key is pressed For simple operation hold down the key noting the step size as the numbers change Release the key momentarily when the number approaches the desired setting This reduces the step size Then press the key for individual steps t
29. evel BACKLIGHT CX Turns the screen backlight on or off VOLUME Activates the up down arrows to raise or lower the volume ERRINJ Not used in the TDR mode START STOP Not used in the TDR mode LEFT ARROW Moves cursor or marker to the left UP ARROW Moves cursor upward Raises level of volume and brightness when those functions are selected RIGHT ARROW Moves cursor or marker to the right DOWN ARROW Moves cursor downward Lowers the level of volume and brightness when those functions are selected SHIFT Activates second function on keys gold lettering ESC Returns user to previous screen or backs up one space in the alphanumeric mode POWER Turns unit on off 12 CE4000 Cable Explorer TDR User Manual System Status imh E f System Status Base Firmware 1 0 Module Type CM TDR Module Firmware 0 3 Module Serial Number 00006 Exit Figure 1 3 Status Display PREPARATION FOR USE Follow the instructions for unpacking and inspecting the CE4000 Compare the received items to the packing list Read all warnings and information on power requirements Follow the initial checkout procedure to verify that the CE4000 is in good working order Be sure to turn off the power of the CM1000 before swapping modules Unpacking And Initial Inspection Inspect the shipping container when the CE4000 is received If the shipping container is damaged keep the container and packing materials for inspe
30. for subsequent cable tests Press Save F3 to save the information EXIT Exitcompletes this operation and returns you to the Select Cable screen Figure 2 4 To use the information just entered select the highlighted cable by pressing the Select F3 function key 27 CE4000 Cable Explorer TDR User Manual 28 Chapter 3 Measurements Chapters Measurements TDR BASICS Locating Cable Faults The CE4000 TDR has two cable test modes Auto and Manual Select the desired icon on the Main menu for the preferred mode of operation Press the MENU key at any time during operation and the unit will return to the Main Menu screen Figure 3 1 Main Menu imh E F Loc Cable Modem Enter Figure 3 1 The CE4000 operates on the same principle as most TDRs A test pulse typically called the incidence pulse is transmitted into the cable under test The pulse travels down the cable at a speed that is controlled by the properties of the cable The speed is called the VOP or velocity of propagation and is measured as a percentage or decimal fraction of the speed of light When the pulse reaches a discontinuity in the cable some of the energy all of the energy if the cable is open or shorted is reflected back up the cable toward the original source The TDR measures the time required for the round trip of the reflected pulse from the TDR from which it was launched to the fault and back to the TDR The distance to the fault is then ca
31. hapter 3 Measurements Distance measurements are made at the beginning of the reflection pulse Position the marker at the point on the TDR trace where the pulse rises quickly The measured distance will be displayed in the DIST box on the screen Loss is measured in the same fashion The actual loss measurement is made at the peak of the pulse automatically when the marker is placed on the rising edge of the pulse Thus the distance and the loss are made from a single marker position The loss measurement window isroughly as wide as the reflected pulse displayed on the screen Manual M2 ima E w F OP 850 20nS MEJ 12 508 470 8ft M1 M2 Pulse Gain Pos Save Figure 3 14 PULSE The Pulse Width F2 function key permits using the Left and Right Arrow keys to sequence through the available pulse widths of the CE4000 Pulse widths of 10 nSec 20 nSec 50 nSec 100 nSec 200 nSec and 350 nSec are available The right arrow key increases the pulse width while the left arrow key decreases the pulse width A new trace is provided when the pulse width is changed Figure 3 15 Longer pulse widths allow you to test longer cables and to view higher return losses Since they provide more energy in the incidence pulse more energy is reflected by the fault and detectable for display 46 CE4000 Cable Explorer TDR User Manual Manual Pulse iu C sn F VOP 850 20nS I MI 151 dB 250 500 15 L q M2 12 5dB 478 0ft M1
32. he bar the battery status is displayed A battery icon indicates the unit is on battery power An AC plug icon indicates the unit is externally powered The gauge to the right of the Power icon provides a relative indication of battery status This gauge indicates charging when either an external power source is connected or the unit is in charge mode On the right side of the blue bar the VOP and Test Pulse width are displayed At the bottom of the screen are the function indicators that correspond with the F1 through F4 function keys Main Menu Screen Detail The CE4000 is designed for easy to use operation Any of the menu choices may be selected by using the left right or up down arrow keys and pushing either Enter F4 or the Enter key The four Main menu choices are AUTO Select the Auto TDR test mode by pressing Enter F4 to initiate an immediate series of automatic TDR tests The CE4000 will use the current last used VOP and automatically sequence through the various pulse widths available testing the connected cable It will configure the display to provide the best representation of the first fault on the cable under test The loss of the cable under test at the frequency of the test pulse and the distance to the fault are displayed at the bottom of the screen MANUAL Choose the Manual mode to make adjustments to pulse width vertical gain horizontal gain and position and to set cursors for measuring distance and l
33. ide a user friendly starting point the initial Manual screen displays the result of an AUTO test This places the first fault if there is a fault on screen and sets all of the TDR parameters After the initial screen is displayed the user may change any of the settings for Pulse Width Horizontal Position and Gain Vertical Gain and move the two markers as desired To select a TDR test mode select either the Auto or Manual icon from the Main Menu Figure 3 5 From any screen press the Menu key and use the arrow keys to highlight the desired icon and press Enter Main Menu ims E F Loc Cable Modem 332333922 2 H 4 5 D mm w LA mm 4 m Enter Figure 3 5 36 CE4000 Cable Explorer TDR User Manual Auto Test Mode When the Auto test mode is selected the CE4000 TDR will use the last selected cable data see Setup section and initiate a series of TDR tests The initial screen will take several seconds to appear as the Auto test is being performed A progress bar is displayed with the text Initializing Figure 3 6 Auto imk E F VOP 85 0 Next Zoom Peak Hold Save Figure 3 6 Once the tests are completed the Auto test screen is displayed Figure 3 7 The cable VOP used for the test is shown in the upper right corner The Pulse Width Horizontal Gain and Position Vertical Gain and Markers are all set automatically Although multiple faults may be present and found on the cable und
34. istration The CE4000 TDR module is used in conjunction with the CM1000 to locate cable faults INSTRUMENT OVERVIEW The CM1000 mainframe unit Figure 1 1 houses the CE4000 TDR plug in The hand held device features a full color display which indicates instrument status signal identification and measurement values The controls are pressure sensitive keypad switches with tactile feedback A 75 ohm F connector accepts the cable connection A female DB9 provides access to a computer serial interface connection The DC input accepts power from the supplied AC adapter The weatherized hard plastic case provides excellent protection from typical bumps and bangs of normal use Back panel access is provided for easy battery pack replacement and the system memory card is readily accessible from the side panel of the unit When installed in the mainframe the CE 4000 plug in module provides comprehensive TDR testing capability When activated the CE4000 TDR goes through the self mode and provides the user with a menu of TDR tests The user may select an Auto Test mode Manual Test mode recall stored data or set up the configuration of the TDR Once a cable is selected or the VOP is set the Auto Test mode will automatically identify any impairments on the cable under test greatly simplifying operation Note This manual covers CE4000 TDR model and its options A software upgrade is required to use the CE4000 module in an existing CM1000 S
35. l use However fast charging will take place only when the unit is powered down before and during charging CAUTION Do not attempt to use any other charger or apply DC voltage in excess of 18 VDC CE4000 Cable Explorer TDR User Manual 14 Safety Precautions Read and follow these safety precautions before connecting the CM1000 with CE4000 module to the cable plant CAUTION Do not remove the module from the base unit while itis connectedtothe cable plant or other equipment CAUTION Do not exceed the rated input AC plant operating voltage maximum of 90V AC CAUTION Donotremovethe module from the base unit or plug in another module while the CM1000 power is turned on or the unitis connected to any other equipment damage to the electronic circuitry or shock hazard may result NOTE The CM1000 is weather resistant but not waterproof during normal operation CAUTION The CM1000 with CE4000 module contains delicate electronic circuitry The chassis and case have been designed for year round day to day field use but severe mechanical shocks andtemperature extremes could degrade the operation of the unit or damage it Do not drop the unit CAUTION Do not allow moisture to enter the ventilation holes on the plug in module as this may result in damage to the internal components of the unit or cause electrical shock when connected to the cable plant CAUTION Do not allow foreign material to clog or enter the ventilation hol
36. lculated by the formula 30 CE4000 Cable Explorer TDR User Manual Distance Rate Gi Time D VOP Round Trip Time 2 VOP The velocity of propagation is the speed at which the signal travels on the cable under test The time required for the television signals to reach the customers is normally not a concern however some delay is present in the system due primarily to the delay of the cable and filters in the network The VOP of a cable is the speed at which the signal travels divided by the speed of light and is expressed as a decimal or as a percentage i e 85 or 85 Most hard line cable will have a VOP of 87 or 87 or better Typical newer drop cable will have a VOP of 80 to 85 Older drop cables may have VOPs as low as 70 Approximately 50 cables are pre programmed into the CE4000 for use The user may add delete or edit this data table VOP specifications are available from the cable manufacturer s data sheet As shownin the previous equation TDR simply measures the time between the incidence and reflected pulse and calculates the distance to the fault Obviously the accuracy of the VOP has a direct relationship to the accuracy of the resultant distance measurements A 1 error in the VOP will result in a 1 error in the distance measurement plus any inaccuracy in the time measurement capability of the TDR A cable s VOP can also be measured if the cable s length is known by using the same formula Thi
37. le from Sunrise The use of batteries other than those specifically approved may damage the test equipment and will void the warranty Figure 5 1 The battery is easily replaced by removing four screws located in the lower portion of the unit s rear panel The part number for the replacement battery is ASY 12183 010 CE4000 Cable Explorer TDR User Manual GENERAL MAINTENANCE 56 Internal Rechargeable Battery To avoid damaging the internal battery optimize its life and guarantee a full charge in 6 8 hours the following steps should be followed e Let the CM1000 cool to room temperature before recharging e Turn the CM1000 OFF before plugging in the charger Leave the CM1000 OFF while recharging e Always leave the charger connected whenever the CM1000 is not in use PRECAUTION Do not charge the CM1000 above room temperature or with the unit turned ON The internal battery may be hot or can become hot reducing its life and significantly increasing the time required to fully charge the battery NOTE Use only the supplied AC adapter or the optional DC adapter to recharge the CM1000 Incorrect polarity or voltage could damage the CM1000 or its internal battery Cleaning Clean the CM1000 with a soft cloth moistened with water Use a small amount of mild soap if necessary Do not apply abrasive or chemical cleaners These may damage the plastic finishes on the case keypad or display windows Chapter 5
38. ment to the client Note Sunrise is not responsible for failures caused by transportation to from the customer s location nor by rough handling by the customer after receipt causing further damage to the product Sunrise is solely responsible for the defects stated above and in our standard product warranty policy Ifyourequire information or assistance contact SunriseTelecom Broadband at 1 800 297 9726 toll free from anywhere in North America or by fax 1 514 725 5637 or by e mail to info Csunrisetelecom com CE4000 Cable Explorer TDR User Manual 62 Chapter 6 Chapter 6 Appendix Cable Data Appendix Additional Cable data Cable Type Cable Manufacturer VOP Cable Loss 63 64 CE4000 Cable Explorer TDR User Manual Cable Type P3 412 P3 500 P3 565 P3 625 P3 700 P3 750 P3 840 P3 875 P3 1000 QR 540 QR 715 QR 860 QR 1125 IMDU 320 59 N j MC 440 IMC 500 IMC 650 MC 750 MC1 00 MVP 59 MVP 6 IMVP 7 MVP 11 T10 412 T10 500 T10 625 110 750 110 875 110 1000 TX10 565 TX10 700 TX10 840 TX10 1160 SPC 625 110 RG 59 110 RG 6 110 RG 7 110 RF 11 TX Flex Beldon 59 Beldon 6 Beldon 7 Beldon 11 Paa Paso poses ben Pazo Paso O Passo Pess pato arsa rs omaso lros MDU 320 Mosso Meso Mceso verso Mendo Mve so mes wer O vest spc 625
39. nd carefully follow the outlined procedures in this Operational section Main Menu imk E F Loc Cable Modem Enter Figure 3 12 To access the Manual test screen from the Main Menu Figure 3 12 use the UP DOWN or LEFT RIGHT arrows to highlight the Manual icon and then press Enter F4 The CE4000 will use automatically the VOP setting last selected in the Setup procedure The VOP data is preserved even when the CE4000 is turned off The initial Manual screen is configured based on the results of an Auto test MANUAL The initial screen will take several seconds to appear as the initial auto test is being performed A progress bar is displayed with the text Initializing Once the tests are completed the Manual test screen is displayed Figure 3 13 The tested cable VOP is shown in the upper right corner The Pulse Width Horizontal Gain and Position Vertical Gain and Markers are all set automatically but may be manually controlled by the user with the function and arrow keys Chapter 3 Measurements Manual Ae E ss F VOP 85 0 20nS 0 MI 15 dB 250 500 19 0 M2 12 508 JEM 470 0rt M1 M2 Pulse Gain Pos Save Figure 3 13 Although multiple faults may be present and found on the cable under test the CE4000 will automatically go to the first cable fault place the marker at that location and display the distance to the fault The best practice is always to repair the first faultand retest This is because the first refl
40. o fine tune the setting Measure VOP Once the test cable s length is set and connected to the CE4000 press the Find VOP F1 function key The CE4000 will calculate and display the Cable VOP Figure 2 8 Measure LEN The Cable Test mode can also be used to make quick cable length measurements by setting the VOP and pressing the Find LEN F2 function key The CE4000 will calculate and display the cable length Figure 2 8 Save Be sure to save the information if you want to use the measured VOP for subsequent cable tests Press Save F4 to display the screen shown in Figure 2 9 You must enter a cable type and manufacture in this screen for the information to be saved Chapter 2 Setup Cable Insert F Cable Type _ Cable Manufacturer Cable VOP Cable Loss 5 69 op Next Field Prev Field Save Exit FIGURE 2 9 CABLE TYPE Use the alphanumeric keypad to enter up to 10 characters to describe the cable type and press Enter If you press Next Field or Prev Field before Enter the entry will be lost Use the ESC key to back up and delete the previous character input CABLE MANUFACTURER Use the alphanumeric keypad to enter up to 12 characters to describe the cable manufacturer and press Enter If you press Next Field or Prev Field before Enter the entry will be lost Use the ESC key to back up and delete the previous character input SAVE Be sure to save the entered information if you want to use it
41. oftware upgrades are available from the Sunrise web site www sunrisetelecom com CE4000 Cable Explorer TDR User Manual CM1000 MAINFRAME AND CE4000 MODULE 1 Mainframe Input Output The mainframe I O section located at the top of the unit provides a female RS 232 9 pin connector DB 9 fora serial computer interface In addition there is an external power connection to accept power from the DC power adapter provided with the unit 2 Plug In Module Slot The plug in module slot accepts the CE4000 TDR or the CM1000 Cable Modem Network Analyzer module 8 Warning Donot remove or install a module with the base unit powered on or connected to the system or other equipment Always turn unit off before removing or installing a module 3 CompactFlash memory slot This slot located on the lower right hand side of the unit houses the mainframe s CompactFlash memory card This memory card further enhances the unit s ability to accommodate future memory expansion upgrades 4 Battery Access An access panel at the lower back of the unit provides easy access to the user replaceable battery pack 5 Full Color Display The full color display provides clear easily discernable test and menu screens in both dark and full sunlight conditions 6 Status LED indicators Seven LED indicators show the status of downstream connection upstream connection link Ethernet connection power and battery functions 7 RF F Connector C
42. onnection to the cable under test Field replaceable 8 Fan Outlet Exhaust from cooling fan Do not block airflow Chapter 1 General Information 9 Input Output Section LED Status Lights Slot for Plug in Module Color Display SUNRISE TELECOM sooo goon 000 2808 sooo Memory Card Slot Q Battery Access in Back of Unit CM1000 MAINFRAME Warning Do z NOT Remove f N Module with PowerON d a Fan Outlet T RF P Connector CE4000 Module Figure 1 1 CM1000 mainframe and CE4000 module 10 CE4000 Cable Explorer TDR User Manual CE4000 Keyboard Functions SUNRISE TELECOM 0000 aeons ELE sono STOP 289090 Figure 1 2 CM1000 keypad Function Keys F1 through F4 Soft keys to perform various tests and setups Functions are described on the display SETUP Takes the user to the Main Setup screen This screen allows access to select a cable type run a cable test on a known cable or setup the CE4000 configuration information in System Setup MENU The menu button brings the user to the Main Menu screen Choices are Auto Manual Stored Data and Setup STATUS Displays current firmware revision module type module firmware and module serial number Chapter 1 General Information 71 HISTORY Not used Reserved for a future enhancements CONTRAST Q Activates the up down arrows to raise or lower the screen contrast l
43. oss Operational details are provided in Chapter 3 The initial Manual screen uses the first Auto test screen as a Starting point STORED DATA The Stored Data menu provides access to the data files stored as a result of screen saves Operational details are provided in Chapter 3 SETUP Provides access to the CE4000 Setup and Configuration icon screen Setup includes Select Cable Cable Test and System Setup Chapter 2 Setup SETUP OVERVIEW All Setup menus for the CE4000 can be accessed by pressing the Setup key located just below the F1 key on the keyboard or by selecting the System Setup icon on the Main menu The Main Setup screen is shown in Figure 2 2 Utilize the keyboard arrows to highlight the setup screen you wish to edit and press Enter F4 The Setup menu label in the upper left corner of the screen easily identifies this screen type Test Cable EIS Unit Setup Select Cable Test Cable Unit Setup Figure 2 2 CABLE SELECT Select the type of cable under test from the built in table of 50 common cables or add your own data Insert new cables or edit the existing data The cable VOP is used to determine the distance to faults on the cable SYSTEM SETUP Selecting the System Setup provides access to general system functions such as backlight and power down timers date time settings RS232 serial port setup and display preferences CABLE TEST If the VOP of a cable is unknown the VOP may be measured using
44. red by persons not authorized by Sunrise or not in accordance with instructions furnished by Sunrise or if the products have become defective due to a result of misuse improper repair abnormal operating conditions the labor and materials required to effect the changes will be billed at our standard repair rates Customer s Responsibility Contact Sunrise and request a Returned Material Authorization RMA number Be sure to have your model and serial number ready After receiving the RMA number return the equipment with an accurate description of the symptoms and be sure to state the authorization number on your paperwork The client is responsible for all transportation charges to Sunrise Original packaging is preferred If unavailable carefully package the equipmentin alternate packing material to ensure adequate protection during shipping Sunrise s Responsibility 1 Sunrise will acknowledge the receipt of the returned equipment and at that time bring any discrepancies to your attention Sunrise will replace or repair at its discretion any component or sub assembly it deems necessary to return the unit to a proper condition After the necessary repairs Sunrise will perform complete test and re calibration of the unit Chapter 5 Maintenance and Service 61 All precautions are taken by Sunrise to ensure that every unit meets all electrical and mechanical specifications prior to returning the equip
45. s reflections that result from impedances lower than the nominal 75W impedance of the cable Thus an open cable will result in a positive reflection pulse and a shorted cable will result in a negative inclined reflection pulse A perfect cable terminated in its characteristic impedance will absorb all of the energy from the incidence pulse and no reflection will be seen on the TDR High impedance series mismatches corroded or loose connectors loose seizure screws and radial cracked sheath will produce positive inclined trace signatures Low impedance parallel mismatches kinked cable water ingress and shorts will produce a negative inclined trace on the TDR screen Chapter 3 Measurements The amplitude of the reflected pulse is proportional to the return loss ofthe cable at the fault location plus two times the cable loss between the TDR and the fault Measuring the reflected pulse from an open or shorted cable and dividing the resultant by two can measure the loss of a cable The cable loss is the loss at the frequency of the incidence pulse The frequency of the incidence pulse is equal to the inverse of two times the pulse width 1 2 Pulse Width Since the loss of the cable is proportional to the frequency the loss of the cable will depend on the pulse width used for the test Cable loss may be estimated for any frequency when the loss is known at some frequency Cable loss may be estimated by the formula F L L CL
46. s where the cable may alternately test good and then bad While in the Peak Hold mode the user would flex or stress the components under test to see if good or bad results can be displayed The TDR captures the worst case results Note The display update speed will slow down since the TDRis displayingthree separatetraces alternatively deg FE F VOP 95 0 20nS m A 12 5dB 470 6ft Next Zoom Peak Hold Save Figure 3 10 Chapter 3 Measurements SAVE The Save F4 function key freezes the current screen to allow entering a Site Name for the screen to be stored Figure 3 11 Up to 10 characters may be entered to describe the screen data Use the alphanumeric keys to enter the information Press ESC to back up one space if the wrong character is entered Press Enter when the desired Site Name is displayed The type of display date and time will automatically be saved along with the data Auto Save deg Em F VOP 95 0 20nS Enter Site Name dB lt Enter gt Completes lt Esc gt Backspaces 15 M2 12 508 MGR 470 0ri Next Zoom Peak Hold Save Figure 3 11 41 42 CE4000 Cable Explorer TDR User Manual Manual TDR Measurements The Manual measurement mode allows you to set manually all of the TDR controls for maximum test flexibility but requires more than the one button operation of the Auto test mode Manual TDR operation is not complex if time is taken to review TDR basics in Chapter 2 of this manual a
47. s procedure is detailed in the Operation section of this manual PULSE WIDTH The pulse is 1 2 of a sine wave negative pulse but displayed as positive The pulse width is typically programmable so that longer pulses can be used for longer ranges pulses with more energy can travel longer distances The cable under test exhibits the same loss characteristics on the incidence pulse as they do on the typical RF signals on the network The longerthe cableis the higher the loss Note that the reflected pulse has traveled down the cable and back thus it has experienced twice the cable attenuation Chapter 3 Measurements 31 Auto iu E F VOP 85 0 20 nS BA MI 0 M2 5 5d8 ION 188 2rt Next Zoom Peak Hold Save Figure 3 2 Short pulse widths are advantageous for two reasons First the time period of the pulse prevents seeing reflections that occur in the time period between the rise and fall of the incidence pulse Secondly multiple reflections that are close together are seen as a single fault because the time period of the reflected pulse obscures any other reflections between the time of the rise and fall of the reflected pulse The distance associated with the time during the rise and fall of the incidence pulse is called the dead zone an area where the TDR cannot make measurements The CE4000 eliminates this dead zone by incorporating a built in delay line which effectively moves the 0 distance
48. st in the normal Plot 1 color and the second in the Plot 2 color as selected in the Setup screens See the Setup section for details of selecting trace colors A sample Compare display is shown in Figure 3 24 displaying two traces of the same cable with an intermittent fault shown at 170 feet The first trace shows a loss of only 5 5 dB a very poor return loss and the second trace shows a return loss of 18 5 dB much better thus indicating that a problem such as a loose or corroded connecter likely exists at 188 feet down the cable under test Next and Adjust provide the same functions in the Compare mode as in the normal Single Trace mode Next will display the next cable fault Adjust will allow you to adjust the vertical and horizontal scale 53 CE4000 Cable Explorer TDR User Manual 54 LOAD Load returns the user to the Stored Data screen Figure 3 19 to select another saved screen to display Stored Compare je E F VOP 85 0 20nS KION 5 5dB DIKA 188 2ft Ned Adjust Compare Load Figure 3 24 Chapter 4 Specifications 53 Chapter 4 Specifications PERFORMANCE SPECIFICATIONS AND KEY FEATURES Horizontal Resolution lt 2000 ft at 99 VOP 0 25 ft gt 2000 ft at any VOP 1 00 ft Vertical Resolution Bits 14 Pixels 140 Vertical Sensitivity 62 dB Range Maximum All VOPs 4000 ft Dead Zone Oft Distance Accuracy 1ft 01 Input Protection DC to 400 Hz 400 V gt 1 MHz 10 V Measurem
49. tions to cycle power turn off and back on 8 Installation is complete and the CE4000 TDR is ready for use The new memory card contains the firmware program for both the CM1000 Cable Modem System Analyzer and the CE4000 TDR The memory card does not have to be swapped when you switch back to the CM1000 Cable Modem module Chapter 2 Setup 17 Chapter2 Setup GETTING STARTED Power Up To Self Test Screen Press the Power button The green power LED will light as the unit boots up and performs its self test After about 10 seconds each ofthe status LEDs in the upper left portion ofthe instrument will individually blink green and then red as the unit completes thetestprocess The screen will display the following information Performing Self Test Serial NVRAM Pass Loading FPGA Please wait You may not see the last reported Pass because the unit immediately goes to the Main menu Figure 2 1 when the test is complete with all criteria passed Main Menu imh E F Loc Cable Modem Enter Figure 2 1 BASIC SCREEN LAYOUT The basic screen layout for the CE4000 remains consistent throughout the menus The center of the screen always displays the current command icons and test information 18 CE4000 Cable Explorer TDR User Manual The blue bar at the top of the screen provides current status information for the module The current screen name is shown on the left side of the banner In the center of t
50. ve Figure 3 8 Chapter 3 Measurements The marker is automatically set to the next reflection fault the vertical and horizontal scales are adjusted and the measurements are displayed If no faults are found the CE4000 will display a message over the TDR screen indicating No Faults and the range of the TDR test Once No Faults are found the TDR will wrap back around to the original test screen displaying the first fault ZOOM The Zoom F2 function key readjusts the CE4000 display increasing the horizontal gain and moving the M2 marker to the center of the screen Figure 3 9 Although the M1 marker may not be displayed it remains the reference for distance measurements Use the Up and Down arrows to increase or decrease the vertical gain iu E F VOP 85 0 20nS 12548 IG 470 0rt Figure 3 9 40 CE4000 Cable Explorer TDR User Manual PEAK HOLD The Peak Hold F3 function key will cause the CE4000 display to hold the worst case peak measurements both positive near open and negative near short as shown in Figure 3 10 The positive peak trace is displayed in blue the negative peak trace in green and the normal trace current test result in purple In Figure 3 10 note that the highest loss worst case is held on the display at 470 feet while the current display less positive result is displayed below the worst case result Use this display type to troubleshoot intermittent type problem
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