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Testing a Circuit

3- 10

NetTek YBT1E1 T1 & E1 Circuit Tester User Manual

Select the option buttons appropriate to the tests you want to
make:

Option T1: Line Coding, Framing, Receive/transmit Clock,
BER Pattern, and Transmit Level.

Option E1: Line Coding, Framing, Receive/transmit Clock,
and BER Pattern.

NOTE

. The Transmit Level field and settings are only available in the

Option T1 application.

Figure 3- 7: Option T1 Instrument settings dialog

Содержание NetTek YBT1E1

Страница 1: ...User Manual NetTekR YBT1E1 T1 E1 Circuit Tester 071 1664 00 This document supports firmware version 2 100 and above www tektronix com...

Страница 2: ...foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc P O Box 500 B...

Страница 3: ...charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall...

Страница 4: ......

Страница 5: ...Installing or Removing a Battery 1 10 Charging a Battery 1 12 Maximizing Battery Operating Time 1 13 Transporting Lithium Ion Batteries 1 13 Powering On the Instrument 1 14 Calibrating the Touch Scre...

Страница 6: ...ay 2 17 The Errors Window 2 18 Errors Rolling Display 2 18 The Alarms and Errors Rolling Display 2 19 History Indicator 2 20 Event Indicator 2 20 Current Indicator 2 21 Limit Alarm 2 21 Event Detail 2...

Страница 7: ...ing Audio Data On a DS0 Channel 3 23 Appendices Appendix A Specifications A 1 Appendix B Installing NetTek YBT1E1 Software B 1 PC Requirements B 1 Installing Using an Archive File B 1 Installing Using...

Страница 8: ...Table of Contents iv NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 9: ...ee page 1 20 for complete information To Avoid Fire or Personal Injury Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use Observe All Termina...

Страница 10: ...ar in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result...

Страница 11: ...Each NetTek Analyzer Platform lithium ion battery pack contains less than 8 grams of lithium with individual cells each containing less than 1 5 grams of lithium as measured by International Civil Avi...

Страница 12: ...General Safety Summary viii NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 13: ...sics section explains how to operate the tester The Reference section explains how to perform tests The Appendices contain reference information you might need occasionally such as specifications or d...

Страница 14: ...o accomplish this tap the Start button in the toolbar at the bottom of the desktop window then tap Help in the resulting menu Software Version This manual supports products running YBT1E1 T1 and E1 Ci...

Страница 15: ...x com Sales support 1 800 833 9200 select option 1 Service support 1 800 833 9200 select option 2 Technical support www tektronix com support 1 800 833 9200 select option 3 6 00 a m 5 00 p m Pacific S...

Страница 16: ...Preface xii NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 17: ...Getting Started...

Страница 18: ......

Страница 19: ...lyzer Platform Figure 1 1 shows the NetTek Analyzer Platform layout Figure 1 2 on page 1 2 shows the front panel controls and indicators Batteries Application modules PC card slots Front panel Externa...

Страница 20: ...perform a hardware reset if a lock up occurs All programs and data loaded into volatile memory since startup are lost 3 Status Indicator Green indicates that the instrument is powered on Amber indicat...

Страница 21: ...E1 compliments the functionality of the NetTek YBT250 Field Transmitter and Interference Tester and the NetTek YBA250 Antenna and Transmission Line Analyzer which also operate on the NetTek Analyzer P...

Страница 22: ...RC Error Errored Seconds 1 s Density Fail Carrier Loss Frame Loss Frame Errors AIS EB error block RAI Pattern Loss Bit Error BPV BBE background block error CRC Error Errored Seconds SES severely error...

Страница 23: ...tests BERT pattern sequence tests Receive signal measure ment Signal level in dBdsx and Vp p Signal level in dBdsx and Vp p for 75 and 120 impedances Transmit levels dBdsx 0 0 7 5 15 0 22 5 N A Trans...

Страница 24: ...he YBT1E1 PC Card and Line Interface See Figures 1 4 through 1 7 for how to assemble and install the YBT1E1 Tester components T1E1 Line Interface YBT1E1 PC card Connector fits only one way into PC car...

Страница 25: ...YBT1E1 PC card in the NetTek Analyzer CAUTION To meet the electromagnetic emissions standards specified for this product install the NetTek YBT1E1 PC card in the rear slot of the NetTek Analyzer Plat...

Страница 26: ...s here Secure the line interface to the side of the NetTek Analyzer Platform with hook and loop fastener strips Figure 1 6 Attaching the line interface to the NetTek Analyzer Platform Connect an RJ48...

Страница 27: ...atform from AC mains or DC vehicle voltage or recharge installed batteries connect the Desktop Power Supply or the In Vehicle Adapter to the NetTek Analyzer Platform as shown in Figure 1 8 The Desktop...

Страница 28: ...an use two batteries Refer to Figures 1 9 through 1 11 for battery installation or removal steps NOTE Disconnect the power supply cables from the NetTek Analyzer Platform before installing or removing...

Страница 29: ...attery retainer tab down and towards the back of instrument then lift 2 Rotate the battery retainer upward Figure 1 10 Opening the battery retainer Battery retainer in open position Lift battery by th...

Страница 30: ...alled in the NetTek Analyzer Platform connect the instrument to an external power supply see Figure 1 8 on page 1 9 and let the battery or batteries recharge in the instrument Table 1 2 lists the appr...

Страница 31: ...nal power source and let the battery or batteries recharge in the instrument for eight hours For more information select Start Help Settings Power Management Charging Batteries Maximizing Battery Oper...

Страница 32: ...1 12 Power switch Calibrating the Touch Screen Display For the touch screen display to respond correctly to your taps you must set the stylus centering and double tap speed before installing and runn...

Страница 33: ...ow the procedures in Appendix D Installing NetTek YBT1E1 Software to install upgrade or reinstall the NetTek YBT1E1 Option T1 or Option E1 software on the NetTek Analyzer Platform Starting the NetTek...

Страница 34: ...ollowing procedure to set the software to run automatically when you power on your NetTek Analyzer 1 Select Start Programs Tektronix Utilities System Configuration 2 On the Software tab select the Sta...

Страница 35: ...t the software to run automatically when you power on your NetTek Analyzer 1 Select Start Programs Windows Explorer 2 Navigate to the Windows Programs NetTek directory 3 Select YBT1 in the NetTek dire...

Страница 36: ...Figure 1 14 Loopback plug Figure 1 14 Inserting the Loopback Plug into the T1E1 Line Interface 2 Perform the diagnostic tests on page C 1 Powering Off the Instrument The NetTek Analyzer Platform has s...

Страница 37: ...Analyzer Platform press the front panel power switch The instrument returns to the state that existed before suspend mode was invoked Shutdown Mode To completely power down the NetTek Analyzer Platfor...

Страница 38: ...hut down powers on the instrument H If the NetTek Analyzer Platform is operating initiates Suspend mode H If the NetTek Analyzer Platform is in Suspend mode cancels Suspend mode and activates the soft...

Страница 39: ...ore the cloud is close enough for you to hear thunder or see lightning H When lightning strikes a structure or facility current travels through the rebar concrete pipes cables vent stacks and electric...

Страница 40: ...Getting Started 1 22 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 41: ...Operating Basics...

Страница 42: ......

Страница 43: ...esktop The NetTek Analyzer Platform desktop shown in Figure 2 1 is your primary workspace Use the desktop to configure hardware and software adjust settings establish communications and access built i...

Страница 44: ...re running a status area and a desktop icon Desktop button Program button Status area Start menu Figure 2 2 The Microsoft WindowsCE Taskbar Start Menu Use the Start menu shown in Figure 2 3 to load an...

Страница 45: ...minimize all open applications and display the desktop Getting Help To open the WindowsCE Help window and access the YBT1E1 topics select Start Help Then select YBE1 or YBT1 There are three ways to d...

Страница 46: ...ault and a smaller keyboard do the following 1 Select Start Settings Control Panel 2 Double tap the Input Panel icon to open the Input Panels Properties dialog Application User Interface Elements Figu...

Страница 47: ...See Tables 2 1 and 2 2 starting on page 2 6 for a description of these elements H Test Configuration The Test Configuration area sets the instrument test settings See Table 2 3 on page 2 9 for a descr...

Страница 48: ...which lets you edit the application setup parameters Open button Displays the Open dialog box which lets you load a saved application setup Replaces the Edit button when Hide Setup Controls is select...

Страница 49: ...ults of the previous test or data collected since the last Restart Save Results Saves the results of the current test Uses identical settings as the previous Save Results As and Settings Save and Expo...

Страница 50: ...to save current instrument settings as a sav file Preset Returns the NetTek YBT1E1 to factory default settings Tools Options Opens the Setup Menu dialog box to show hide and protect instrument setting...

Страница 51: ...es at DSX monitor ports The YBT1 transmitter is disabled in Bridge mode T1 and E1 Provides a nominal 1 k input impedance and compensates for up to 10 dB cable losses Sets the instrument for out of ser...

Страница 52: ...from the receiver back to the transmit ter Loopback is useful when testing from the far end of a line The YBT1E1 transmitter is enabled in Terminate mode See page 3 19 for more information T1 and E1...

Страница 53: ...m for the selected setting s Indicates the status of received signal pulses Green pulses have been detected White searching for pulses Displays Receiving when searching for pulses Displays Weak Signal...

Страница 54: ...signal level in dBdsx and Volts peak to peak Select Done to return to the main application window Detects and displays the detected receive signal line code Select Done to return to the main applicat...

Страница 55: ...on Changes the Configuration Test area contents to allow setting a length of time to acquire measurements with the current instrument settings See page 3 11 for additional information Opens the Bert P...

Страница 56: ...Operating Basics 2 14 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 57: ...ults including any alarm or error events To open the Summary window tap the Summary tab on the left side of the display This is the default test window when you open the application If no alarms or er...

Страница 58: ...or since the last Restart then the Summary window displays a summary of the measurement errors as shown in Figure 2 7 Figure 2 7 The Summary window with errors Alarm Error Type Lists the type of alar...

Страница 59: ...the Alarms tab on the left side of the display Figure 2 8 shows an example Alarms window for the Option T1 application This window uses a rolling event display to show alarm events collected during t...

Страница 60: ...ng Display operates the same as the Alarms Rolling Display see page 2 20 for a description of the Rolling Display elements The Errors Rolling Display also provides BER error rate measurement and error...

Страница 61: ...erting errors See page 3 3 for instructions The NetTek YBT1E1 transmits a single error immediately You must loop the far end connection to monitor errors at the Rx Receive input of the NetTek YBT1E1 S...

Страница 62: ...ndicates that an event has occurred white indicates that no events have occurred Once an event has occurred the History indicator stays red until you change test parameters or restart the test Event I...

Страница 63: ...nformation on each event of the currently selected alarm type Display Time Span The Updates button sets the collection resolution and data collection time of the Rolling Display To set the time span a...

Страница 64: ...o defined by the data collection resolution consisting of the most recent 30 time intervals You can scroll beyond the 30 most recent time intervals and access historical data by tapping and dragging t...

Страница 65: ...button Information includes the alarm error type number of occurrences count and the start time and stop time if relevant of each event You can sort the information in this window by tapping the colu...

Страница 66: ...The Measurement Results Windows 2 24 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 67: ...Reference...

Страница 68: ......

Страница 69: ...ure 3 1 Typical base station showing network interfaces Making a Monitor Connection This is the most common type of connection to a DSX service panel With this configuration you can use the YBT1E1 to...

Страница 70: ...Connect the RJ48 to Bantam Y Cable to the YBT1E1 Line Interface 3 Connect the Bantam Receive plug to the MON monitor jack on the DSX1 service panel as shown in Figure 3 2 4 Refer to Testing a Circuit...

Страница 71: ...1E1 to test CSU equipment that is off line do the following 1 Select the Terminate radio button 2 Connect the RJ48 to Bantam Y to the YBT1E1 Line Interface 3 Connect the Transmit Bantam plug to the IN...

Страница 72: ...do the following 1 Select the Loopback radio button 2 Connect the RJ48 to Bantam Y cable RJ48 to Alligator Clip Cable or RJ45 to BNC cable to the YBT1E1 Line Interface 3 Connect the Transmit Bantam pl...

Страница 73: ...h as bipolar violations and CRC errors or to perform bit error rate testing if a known test pattern is being received To connect the NetTek YBT1E1 to a line without loading the circuit do the followin...

Страница 74: ...Connecting to a Signal 3 6 NetTek YBT1E1 T1 E1 Circuit Tester User Manual 66 Block RJ48 Alligator clip cable Spade lug Figure 3 5 Typical connections for bridge monitoring...

Страница 75: ...correct for the type of signal you are testing Automatic Measurement Setup The NetTek YBT1E1 can automatically detect most of the parameters necessary to test a circuit However the instrument Line Co...

Страница 76: ...etTek YBT1E1 detected an alarm or error in which case the Circuit Test Summary results are displayed The Circuit Test Summary lists all of the alarms or errors detected since the last restart See Figu...

Страница 77: ...st a circuit However you can override any or all of the automated settings to speed up synchronization or to perform specialized tests The Instrument Settings dialog allows you to configure the NetTek...

Страница 78: ...ests you want to make H Option T1 Line Coding Framing Receive transmit Clock BER Pattern and Transmit Level H Option E1 Line Coding Framing Receive transmit Clock and BER Pattern NOTE The Transmit Lev...

Страница 79: ...he keypad icon to enter a test time duration The minimum time unit is one minute Figure 3 8 shows a time setting of one hour and 30 minutes Tap the Start Test button to start the timed test Tap Pause...

Страница 80: ...st H Emit a Beep H Pause the measurement acquisition H Export the screen image to a file as set in the Setup Edit Save and Export tab H Save the measurement results to a file as set in the Setup Edit...

Страница 81: ...onfigured for AMI line coding H B8ZS Stress ber Option T1 only Contains a sequence of BER patterns designed to stress equipment configured for B8ZS line coding H HDB3 Stress ber Option E1 only Contain...

Страница 82: ...quence Dialog The Create Edit button opens the Pattern Sequence dialog box that lets you create edit and save test patterns and test sequences See Figure 3 10 Figure 3 10 The Create Edit Pattern Seque...

Страница 83: ...e sequence you have just edited created by selecting this button and typing in your new sequence name Cancel Select this button to cancel and close the Create Edit a Pattern Sequence dialog box Creati...

Страница 84: ...Pattern To edit an existing BERT pattern sequence do the following 1 Select the Auto Test button to open the Bert Pattern Selection dialog box 2 Select the BERT pattern you want to modify in the drop...

Страница 85: ...t See Figure 3 11 on page 3 18 H Pattern The BER test pattern used in this section of the test H Duration The programmed duration for the transmission of this test pattern The format is hh mm H Patter...

Страница 86: ...t Tester User Manual H CRCs The number of CRC Errors received during the pattern duration H Frame Errors The number of Frame Errors received during the pattern duration Select Run Again to repeat the...

Страница 87: ...side the problem exists However loopback testing can offer enough information to determine a general fault location such as in telephone company lines or the base transceiver station site There are s...

Страница 88: ...H Line Loopback generates a full 1 5444 Mbps stream looping back from the receiver to the transmitter including the framing bits H Payload Loopback the equipment performing the loopback generates the...

Страница 89: ...at a far end loop has been established Tap the Loop Down button to remove the loopback mode and return the NetTek YBT1E1 to a standard Terminate configuration NOTE The Loop Down button appears after y...

Страница 90: ...the top as the new row is added to the bottom The DSO display is useful in detecting H DS0 muxing problems H Identifying PRI control channels H Identifying concatenated DS0 data pipelines H Aural iden...

Страница 91: ...ue You can also tap the keyboard icon in the taskbar or attach an external PS2 keyboard to enter a specific value The DS0 Activity Graph time span data record full screen is shown in the scroll box 4...

Страница 92: ...Testing a Circuit 3 24 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 93: ...Appendices...

Страница 94: ......

Страница 95: ...T1E1 operating within the environmental conditions listed in Table A 3 on page A 3 Table A 1 Electrical characteristics Characteristic Description Transmitter Tx Characteristics Pulse Shape T1 Compati...

Страница 96: ...requirements for T1 applications PUB 62411 TRNWT 000499 Cat II CCITT G 823 ITU TI 431 E1 400 to 100 000 Hz complies with ITU T I 431 for CEPT applications CCITT G 823 ITU T I 431 Jitter Transfer Curve...

Страница 97: ...form with NetTek YBT1E1 PC card installed Table A 3 Environmental characteristics Characteristic Description Temperature Range Operating 0 to 50 _C 32 to 122 _F Nonoperating 40 to 60 _C 40 to 140 _F H...

Страница 98: ...Electrostatic discharge immunity Performance criterion C IEC 61000 4 3 RF electromagnetic field immunity Performance criterion A IEC 61000 4 4 Electrical fast transient burst immunity Performance cri...

Страница 99: ...ratory Listing UL 60950 3rd edition Safety of Information Technology Equipment 1 Emissions that exceed the levels required by this standard may occur when this equipment is connected to a test object...

Страница 100: ...Appendix A Specifications A 6 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 101: ...orm H USB connection method NetTek Y400 only Uses a standard USB connection between a host PC and the NetTek Analyzer Platform PC Requirements This installation requires a desktop PC with CD ROM drive...

Страница 102: ...containing the arq file into the NetTek Analyzer Platform 5 Power on the NetTek Analyzer Platform 6 On the NetTek Analyzer Platform select Start Programs Tektronix Utilities Module Upgrade 7 Follow th...

Страница 103: ...serial connection 1 Right click on the Windows CE Services icon in the desktop PC status area then select Communications 2 In the Windows CE Services Properties dialog box open the Communications tab...

Страница 104: ...e H For Option E1 H CD Upgrade E1 Serial ybe1setup_vx xxx exe where CD is the CD ROM drive letter and xxx is the software version information 4 Follow the on screen instructions provided by the upgrad...

Страница 105: ...o free up flash memory space to run other NetTek products such as the NetTek YBT250 Field Transmitter and Interference Tester or the NetTek YBA250 Antenna and Transmission Line Analyzer module To unin...

Страница 106: ...Appendix B Installing NetTek YBT1E1 Software B 6 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 107: ...hown in Figure 1 14 on page 1 18 2 Power on the NetTek Analyzer Platform 3 Select File Exit in the YBT1E1 application if the T1 E1 Circuit Tester is running 4 In the taskbar select Start Programs Tekt...

Страница 108: ...nostic settings 11 Select the LOOP option button 12 Set the loop count to 1 with the up down arrow buttons 13 Select Run to start the diagnostics 14 Verify that each test executes and passes 15 Select...

Страница 109: ...e loaded onto the NetTek Analyzer Platform is communicat ing with the YBT1E1 PC card Line Port Tests Verifies that the Line port is functioning properly in both transmit and receive modes through the...

Страница 110: ...Appendix C Diagnostic Self Tests C 4 NetTek YBT1E1 T1 E1 Circuit Tester User Manual...

Страница 111: ...ght wired cable 1 ea 020 2629 XX NetTek YBT1E1 T1 E1 Circuit Tester Documentation kit Includes software installation CD ROM and User manual Components And Accessories Table D 2 contains general inform...

Страница 112: ...ovides a connection between the YBT1E1 Line Interface and the internal wiring of base station equipment Tektronix part number 174 4630 XX RJ48 Loopback Plug Connects the NetTek YBT1E1 receive input to...

Страница 113: ...Index...

Страница 114: ......

Страница 115: ...13 automatic measurement 3 7 automatic testing 3 12 automatically start software 1 17 B base transceiver station BTS connecting to 3 1 BATTERIES indicator 1 2 battery charging 1 12 charging times 1 1...

Страница 116: ...lligator clip to 66 block 3 5 bridge 3 5 loopback 3 4 monitor 3 1 terminate 3 3 to end of service line 3 3 connector loopback D 2 contacting Tektronix xi controls front panel 1 1 user interface 2 4 co...

Страница 117: ...rror insertion 2 19 rolling display 2 19 event detail 2 21 errors summary 2 16 Errors window open 2 18 tab 2 18 event indicator 2 20 external power supplies 1 9 F failure log C 2 far end loop set up 3...

Страница 118: ...2 input panel enter keyboard charac ters 2 3 install batteries 1 10 software 1 15 B 1 from archive file B 1 from serial cable B 3 from USB cable Y400 only B 5 installing other PC cards 1 7 instruction...

Страница 119: ...ustomer side 3 1 high impedance connection 3 5 network side 3 1 E1 data 3 1 input configuration connecting to a circuit 3 1 input configuration impedance 2 10 T1 data 3 1 Monitor mode 2 9 N NetTek Ana...

Страница 120: ...r alarms 2 20 History indicator alarms 2 20 limit alarm indicator 2 21 Rx Level button 2 12 Rx Status icon 2 11 Rx status indicators 1 4 S safety lightning v summary v save results button 2 6 sensitiv...

Страница 121: ...r Windows desktop 2 2 technical support contact informa tion xi Tektronix contacting xi terminate input configuration connecting to a circuit 3 3 Terminate mode 2 9 test automated 3 12 automatic measu...

Страница 122: ...receive signal level 3 7 test descriptions C 3 YBT1E1 operation C 1 verify YBT1E1 1 18 version software hardware x View DS0 activity 3 8 W web site address Tektronix xi weight A 3 window alarm error c...

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