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  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2 User Manual HP E7580A ProBER 2...
  • Page 3 Warning Symbols Used on the permission is prohibited, Product except as allowed under the copyright laws. HP Part No. E7580-90000 First edition, 12/98 The product is marked with this Printed in U.K. symbol when the user should refer to the instruction manual...
  • Page 4: Serial Numbers

    User Manual Serial Numbers This manual applies directly to instruments with serial numbers GB00000101 and above. HP Part Number E7580A-90000 Printed in U.K. December 1998 HP E7580A ProBER 2...
  • Page 6: Table Of Contents

    Contents Managing the Displays 1 Accessing the Displays 2 Navigating the Displays 3 Modifying Display Data. 5 Setting the Interfaces 7 Connecting to the Network 8 Setting Transmit & Receive Interfaces 9 AutoSetup 11 Test Setup Features 13 Adding Errors & Alarms 14 Adding Frequency Offset 15 Setting Signalling Bits 17 Setting Spare Bits 18...
  • Page 7 Contents Logging Results 52 Connecting an HP 15730A Printer 54 Printing a Display 55 Using Other Features 57 Setting Time & Date 58 Storing & Titling Instrument Settings 59 Recalling Instrument Settings 60 Setting Beep on Error/Alarm 61 Setting Backlight Mode 62...
  • Page 8: Managing The Displays

    Accessing the Displays Navigating the Displays Modifying Display Data Managing the Displays...
  • Page 9: Accessing The Displays

    Accessing the Displays The operator interface is provided by the display softkeys and the front panel keys. The display softkeys provide access to seven different display areas.: Allows control of the main Transmit and TX/RX Setup Receive settings. Allows control of the test features: Errors & Test Setup Alarms, Frequency Offset, Channel Associated Signalling Setup, VF Tone...
  • Page 10: Navigating The Displays

    Navigating the Displays 1 In each of the display areas the field currently able to be changed is marked by a "highlighted cursor". 2 The menu of selections available, for the active field, are displayed on softkeys at the bottom of the display.
  • Page 11 4 When a field has more than five choices a softkey labelled is provided. When MORE MORE chosen the remainder of the menu is revealed.
  • Page 12: Modifying Display Data

    Modifying Display Data Display data is modified using , the display softkeys, ENTER Cancel 1 In the USER WORD example move the cursor to the bit to be edited. allows you to change the Word 8 Bit 16 Bit length. change the value of the chosen bit.
  • Page 14: Setting The Interfaces

    Setting the Interfaces Connecting to the Network TX & RX Interfaces Autosetup Setting the Interfaces...
  • Page 15: Connecting To The Network

    Monitor 30dB Gain - to compensate for a low level signal at a network equipment monitor point. Bridged - high impedance. Ω HP ProBER 2 also provides a 75 EXT CLOCK IN port which accepts a 2 MHz clock source complying with ITU-T G.703 Section 10 (Reference 1).
  • Page 16: Setting Transmit & Receive Interfaces

    Setting the Interfaces Setting Transmit & Receive Interfaces Description: HP ProBER 2 can be configured to: Transmit and Receive simultaneously, Operate in Receive Only mode or Operate in Thru Mode. Thru Mode allows non-intrusive monitoring of live traffic. Receive Only mode extends the N OT E time between battery charges.
  • Page 17 Setting the Interfaces 2 Choose the Line Rate required. If Option 002, Co-directional Interface, is fitted is added to the menu. 64 kb/s 3 Choose the Line Impedance required. If Line Rate (Option 002 only) is chosen only 64 kb/s is available.
  • Page 18: Autosetup

    64 kb/s or 2.048 Mb/s is not detected Autosetup will halt and Signal Loss will be indicated. If 64 kb/s or 2.048 Mb/s is detected HP ProBER 2 will attempt to match the framing present on the received signal. If PCM30, PCM31, PCM30CRC or PCM31CRC is not detected it will be assumed the received signal is Unframed.
  • Page 19 Setting the Interfaces...
  • Page 20: Test Setup Features

    Test Setup Features Add Errors/Alarms Add Frequency Offset Set CAS Signalling Bits Set Spare Bits Set Framing Bits Generate a VF Tone Use HP ProBER as a Telephone Handset Test Setup Features...
  • Page 21: Adding Errors & Alarms

    Test Setup Features Adding Errors & Alarms Description: Errors and alarms can be added to the transmit signal during testing. An indication of received alarms and errors is displayed. The following alarms and errors can be added: • Alarms - Loss of signal, AIS, Loss of frame, Timeslot AIS, RDI, RDI MF.
  • Page 22: Adding Frequency Offset

    Test Setup Features Adding Frequency Offset Description: The capability of the network equipment to reliably recover the clock is tested by varying the clock rate of the generated data and checking for the occurrence of errors. The measurement can be made in a loopback or a cross multiplexer configuration, and is generally of short duration.
  • Page 23 Test Setup Features HOW TO: 1 Choose the amount of Frequency offset required from the menu. If you wish to add frequency offset at other than the preset values, use Edit choose the amount of frequency offset. Press to action your edits. Press ENTER Cancel to escape.
  • Page 24: Setting Signalling Bits

    Test Setup Features Setting Signalling Bits Description: Channel Associated Signalling (CAS) is transmitted in Timeslot 16 when PCM30 PCM30CRC framing is chosen on the display. CAS TX/RX Setup provides the information necessary for switching and routing all 30 timeslots. The ability to set the value of the CAS bits allows testing of the routing and switching of any or all of the timeslots.
  • Page 25: Setting Spare Bits

    Test Setup Features Setting Spare Bits Description: With framing, spare PCM30CRC PCM31CRC bits Sa4 to Sa8 can be used to send optional network messages, for example a Synchronization Status Message. Access Display: Choose to obtain Test Setup Sa Bit Control MENU the Spare Bit setup display.
  • Page 26: Setting Framing Bits

    Test Setup Features Setting Framing Bits Description: When framing is chosen the PCM30 PCM30CRC Multiframe Alignment Signal (MFAS) provides synchronization of the signalling multiframe. When framing is chosen PCM30CRC PCM31CRC a CRC-4 Multiframe is formed. CRC MFAS provides synchronization of the CRC-4 Multiframe. On the display the following frame Frame Control...
  • Page 27: Generating A Vf Tone

    Test Setup Features Generating a VF Tone Description: Telephone channels can be verified by insertion of a Voice Frequency Tone at the transmitter. The tone should be variable in level and frequency. NOT E The frequency and level of the received tone is displayed.
  • Page 28 Test Setup Features 3 Choose a preset tone frequency or make your own choice using Edit Press to action your edits. Press ENTER Cancel to escape. 4 Use to choose the tone Edit level. Press to action your edits. Press ENTER Cancel to escape.
  • Page 29: Configuring As A Telephone Handset

    Test Setup Features Configuring as a Telephone Handset Description: You can use HP ProBER 2 as a telephone handset by talking into the built-in microphone and listening to the built-in loudspeaker. It can be connected to a 64 kb/s voice channel (Timeslot) for communication purposes.
  • Page 30: Enabling Dtmf Dialling

    Test Setup Features Enabling DTMF Dialling Description: DTMF Dialling allows dialling of phone numbers to establish a communications or test channel. Access Display: Via Talk/Listen Choose move the cursor to Other Talk/Listen MENU Talk and choose to obtain the DTMF DTMF Dialling Dialling display.
  • Page 31 Test Setup Features...
  • Page 32: Making Measurements

    Making Measurements Set Test Timing Errors & Alarms Error Analysis Trouble Scan Delay Frequency Pulse Mask Signal Level Jitter VF Tone Signalling Bits Spare Bits Framing Bits Making Measurements...
  • Page 33: Setting Test Timing

    59 seconds. Test durations greater than 8 NOT E hours are only possible if HP ProBER 2 is connected to the line supply via the DC charger. While the measurement is running the elapsed test time is displayed at the bottom right of display.
  • Page 34 Making Measurements HOW TO: 1 Select the type of Test Timing you require. 2 If is chosen the test must be Started and Manual stopped by pressing START/STOP 3 If is chosen move the cursor to Duration Single and choose a preset measurement period or your own measurement period.
  • Page 35: Measuring Errors & Alarms

    Making Measurements Measuring Errors & Alarms Description: Error Count, Error Ratio and Errored Second Results are available for each of the following Error sources: Code E-Bit A Summary of the results is available and provides an Error Count, Error Ratio and Errored Seconds for each of the error sources listed above and in addition an Alarm Seconds Count.
  • Page 36 Making Measurements HOW TO: 1 Set up the transmit and receive interfaces. See, “Setting Transmit & Receive Interfaces” on page 9. 2 Choose the Test Timing required and start the test by pressing . See, “Setting Test START/STOP Timing” on page 26. 3 Choose the error summary, individual error results (Bit, Code, FAS, CRC or E-bit) or alarm seconds results for viewing.
  • Page 37: Measuring Error Analysis

    Making Measurements Measuring Error Analysis Description: Analysis Results conforming to G.821 and G.826 are provided. G.821 - Count and ratio Results of Errored Seconds, Error Free Seconds, Severely Errored Seconds, Degraded Minutes and Unavailable Seconds are displayed for the following error sources: E-Bit In addition, an Annex D Errored Seconds ratio, a Code Error Seconds count and a Pass/Fail result are...
  • Page 38 Making Measurements When measuring over a part of a path the Pass /Fail thresholds need to be reduced according to the percentage of the path being measured. The path allocation percentage reduces the threshold on a pro-rata basis. The following Pass/Fail thresholds apply to a path allocation of 100%: •...
  • Page 39: Performing A Trouble Scan

    Making Measurements Performing a Trouble Scan Description: Problems in the network at all levels of the hierarchy can be detected by the occurrence of errors and alarms. When performing a Trouble Scan all possible error sources and alarms are scanned simultaneously. Any error count which is other than zero is displayed.
  • Page 40 Making Measurements 2 Choose the Test Timing required and start the test by pressing . See, “Setting Test START/STOP Timing” on page 26.
  • Page 41: Measuring Round Trip Delay

    'go' and 'return' legs of a duplex path and is typically in the order of milliseconds. HP ProBER 2 measures the time taken for a test pattern to be transmitted over the 'go' and 'return' legs of a duplex network path.
  • Page 42 Making Measurements HOW TO: 1 If an error measurement is running press to terminate the measurement. START/STOP 2 Set up the transmit and receive interfaces. See, “Setting Transmit & Receive Interfaces” on page 9. 3 Connect a loopback to the network equipment. 4 Choose to view the delay Results Delay...
  • Page 43: Measuring Frequency

    Making Measurements Measuring Frequency Description: HP ProBER 2 measures the frequency of a received 2 Mb/s signal relative to the internal reference clock. The frequency offset is also measured within the limits specified in ITU-T G.703 < ±50 ppm. Frequency measurement is not...
  • Page 44: Making Pulse Mask Measurement

    Making Measurements Making Pulse Mask Measurement Description: The received pulse is superimposed on the ITU-T G.703 mask and a comparison is made. A Pulse Mask: Pass or Fail result is displayed. The comparison can be made on positive pulses or negative pulses Alternatively the Pulse Mask can be turned off and no comparison made.
  • Page 45 Making Measurements 2 Choose , then Signal Quality Pulse Mask MENU press START/STOP This will start the pulse capture. Status message "Pulse capture in progress" indicates that the measurement has started. 3 When the pulse is displayed, enable or disable the ITU-T G.703 Mask and choose the captured pulse polarity.
  • Page 46: Measuring Signal Level

    Making Measurements Measuring Signal Level Description: NOT E 1. Signal Level measurement is only possible when Option 001, Advanced Signal Quality Measurements, is fitted. 2. Signal Level measurement is not available when a Line Rate of 64 kb/s is chosen. Access Display: Choose to obtain the...
  • Page 47: Measuring Jitter

    Making Measurements Measuring Jitter Description: Simultaneous Jitter and Error measurements are made when a jitter option is fitted and the jitter measurement is enabled. Jitter Amplitude and Jitter Hits results are provided: • Amplitude - Peak to Peak, Positive Peak, Negative Peak Hits - Hit count, Hit seconds, Hit free seconds A selection of jitter filters is provided to allow...
  • Page 48 Making Measurements 2. Jitter measurement is not available when a Line Rate of 64 kb/s is chosen. 3. When Jitter measurement is enabled the Error Add feature is not available. Access Display: Choose to configure the Signal Quality Jitter MENU jitter receiver and view the jitter Results.
  • Page 49: Measuring A Vf Tone (Using Channel Map)

    Making Measurements Measuring a VF Tone (Using Channel Map) HP ProBER 2 measures the frequency and level of a voice frequency tone in a selected timeslot. The measured VF tone frequency and level is available on the display. Results Channel Map Channel Map allows you to scan all the received timeslots.
  • Page 50 Making Measurements HOW TO: 1 Set up the receive interface and if necessary the transmit interface. See, “Setting Transmit & Receive Interfaces” on page 9. 2 Move the cursor to Timeslot and choose the timeslot to monitor. move the pointer to first /last timeslot.
  • Page 51: Monitoring Signalling Bits

    Making Measurements Monitoring Signalling Bits Access Display: Choose to obtain the Results CAS Monitor MENU CAS Monitor display...
  • Page 52: Monitoring Spare Bits

    Making Measurements Monitoring Spare Bits HP ProBER 2 displays the Synchronization Status Message in the chosen Sa Bit and the value of all the Sa Bits. Access Display: Choose to obtain the Results Sa Bit Monitor MENU Spare Bits monitor display...
  • Page 53: Monitoring Framing Bits

    Making Measurements Monitoring Framing Bits Access Display: Choose to obtain the Results Frame Monitor MENU Frame Monitor display.
  • Page 54: Graphs & Logging

    Graphs & Logging Saving Graph Results Recalling Graph Results Viewing Graph Results Logging Results Connecting a Printer Printing a Display Graphs & Logging...
  • Page 55: Saving Graph Results

    Graphs & Logging Saving Graph Results Description: HP ProBER 2 provides graphical representation of measurement results: • Correlation of error, jitter and alarm results • Display of error, jitter and alarm results versus time • Overview of the results which can be stored in the instrument for record keeping.
  • Page 56: Recalling Graph Results

    Graphs & Logging Recalling Graph Results Description: Results stored from a previous measurement can be recalled to the graphics displays for viewing. Access Display: Choose to obtain the graph display. Graphs MENU HOW TO: 1 Move the cursor to Store and choose Select Store 2 Use to access the instrument store...
  • Page 57: Viewing Graph Results

    Graphs & Logging Viewing Graph Results Description: All the graphic results obtained during the measurement are available for viewing. Results are recorded with a resolution of 1 second. allow you to dynamically Zoom In Zoom Out change the resolution used to display the graph results.
  • Page 58 Graphs & Logging 3 Use to move the graph cursor to the area of interest. 4 Use to allow more Zoom In Zoom Out detailed inspection of the graph results by reducing/increasing the time axis. 5 Press to view text results. Press Text Graph return to graph results.
  • Page 59: Logging Results

    Graphs & Logging Logging Results Description: Test Period Logging If degradations in system performance can be observed at an early stage, then the appropriate remedial action can be taken to maximize circuit availability and avoid system crashes. Test period logging allows you to monitor the error performance of your circuit.
  • Page 60 Log When - Log always or only when error count is greater than zero. Printer Type - Choose HP or alternative supplier’s printer according to type of printer connected. Printer Baud Rate - Choose rate at which...
  • Page 61: Connecting An Hp 15730A Printer

    An HP 15730A RS-232-C printer can be connected to the HP ProBER 2 printer port for result logging. HOW TO: 1 Connect the HP 15730A printer to HP ProBER 2 printer port using the appropriate cable. If the printer has a 25 pin connector, use HP Part Number 24542M.
  • Page 62: Printing A Display

    Graphs & Logging Printing a Display Description: Any of the HP ProBER 2 displays can be logged to a printer for record keeping or as an illustration in test procedures. HOW TO: 1 Obtain the display required and press PRINT...
  • Page 63 Graphs & Logging...
  • Page 64: Using Other Features

    Using Other Features Time & Date Measurement Settings Beep on Error/Alarm Display Backlight Display Contrast Battery Charging Self Test Using Other Features...
  • Page 65: Setting Time & Date

    Using Other Features Setting Time & Date Description: When recording results it is useful to have certain events time stamped, for example, Alarms; Error Seconds. Access Display: Choose to obtain the Other Time & Date MENU Time and Date display. HOW TO: 1 Move the cursor to Date and enter the correct date using...
  • Page 66: Storing & Titling Instrument Settings

    Instrument Settings Description: Up to 4 sets of user defined instrument settings can be stored in HP ProBER 2 and each set can be given a title for ease of identification. One preset store is provided which cannot be overwritten, STORE 0. This store is used to set the instrument to a known state, the FACTORY DEFAULT SETTINGS.
  • Page 67: Recalling Instrument Settings

    Press to recall your instrument settings. Recall Instrument Reset (Cold Start) If you cannot control the HP ProBER 2 using the front panel keys perform an Instrument Reset (Cold Start). 1 Press and hold down for longer than 7 seconds.
  • Page 68: Setting Beep On Error/Alarm

    Errors and Alarms. You can set the HP ProBER 2 to beep on errors of a particular type or beep on all error types. Similarly you can set the HP ProBER 2 to beep on a particular alarm or beep on any alarm.
  • Page 69: Setting Backlight Mode

    Using Other Features Setting Backlight Mode Description: Under certain lighting conditions it may be difficult to read the display. The Backlight capability improves the clarity of the display under those conditions. You can choose to have the Backlight: • Switch off 1 to 10 minutes after a key press, saving battery power, or •...
  • Page 70: Setting Display Contrast

    Using Other Features Setting Display Contrast Description: The readability of the HP ProBER 2 display can be adjusted using the display contrast control. It is possible to set the contrast N OT E such that the display is unreadable, all white or all black.
  • Page 71: Choosing Local Language Help Messages

    Using Other Features Choosing Local Language Help Messages Description: The HELP messages on the HP ProBER 2 are provided in English and some other languages. Access Display: Choose to obtain the local Other Inst Config MENU language display. HOW TO: 1 Scroll down to Language and choose the language required from the menu.
  • Page 72: Charging The Battery

    DC charger units are used. Before use Before using HP ProBER 2 for the first time it is recommended you: • Charge the batteries for 24 hours • Power up HP ProBER 2 and allow it to discharge completely •...
  • Page 73 Battery Life MENU remaining battery capacity. It monitors the amount of charge input to the batteries and output from the batteries. It allows for self discharge when HP ProBER 2 is switched on and takes account of the ambient temperature.
  • Page 74 Using Other Features It learns the maximum battery capacity by measuring the total charge output from fully charged batteries to the fully discharged state and uses this knowledge to display the remaining battery capacity. It is recommended you allow a N OT E complete charge/discharge cycle to occur every few months.
  • Page 75: Running Self Test

    Using Other Features Running Self Test Description: Before making measurements, you can run Self Test to ascertain the integrity of the HP ProBER 2. There are three different levels of Self Test: Ω - Requires a 75 loopback. Performs •...
  • Page 76 Using Other Features HOW TO: Run Quick Tests (15 Seconds) 1 Choose Quick Tests Ω port to the 2 Connect the TRANSMIT 75 Ω port. RECEIVE 3 Press to run the selftest. START/STOP After a few seconds an Overall Status PASS or FAIL message will be displayed.
  • Page 77 Using Other Features...
  • Page 78 Index Accessing displays 2 errors & alarms 14 frequency offset 15 Alarm add 14 beep on 61 measurement 28 results 28 type 14 Analysis measurement 30 Autosetup 11 Backlight mode 62 timed 62 Battery charging 65 gauge indication 66 life 66 Beep on error/alarm 61 Channel associated signalling 17...
  • Page 79 Index Date set 58 DC charger unit 65 Delay measurement 34 Dialling 23 Display accessing 2 contrast 63 modify data 5 navigating 3 print 55 softkeys 2 DTMF dialling 23 Elapsed test time 26 Error add 14 analysis measurement 30 beep on 61 event logging 52 measurement 28...
  • Page 80 Index analysis 30 thresholds 31 G.826 analysis 30 thresholds 31 Gauge indication battery 66 Generating VF tone 20 Graph cursor 50 display 2 resolution 50 Graph results recall 49 save 48 text 50 view 50 Handset 22 Instrument settings recall 60 store 59 title 59 Interval results 53...
  • Page 81 Index Local language help 64 Log/Print display 2 Logging alarm seconds 53 cumulative results 53 display 55 error counts 53 error event 52 errored seconds 53 filters 53 frequency measurement 53 G.821 results 53 G.826 results 53 interval 53 interval results 53 mode 53 signal level 53 test period 52...
  • Page 82 53 G.821 results 53 G.826 results 53 interval results 53 signal level 53 Printer baud rate 54 connecting 54 HP 15730A 54 PUAS threshold 31 Pulse mask measurement 37 Recall graph results 49 instrument settings 60 Receive Interface 9...
  • Page 83 Index only 9 Reset instrument 60 Results display 2 graph 50 logging 52 Save graph results 48 Self test 68 backlight 62 display contrast 63 error/alarm beep 61 framing bits 19 signalling bits 17 spare bits 18 time & date 57, 58 Settings coupled 9 Signal level measurement 39 Signal quality display 2...
  • Page 84 Index Text results 50 Threshold PUAS 31 Thresholds G.821 31 G.826 31 Thru mode 9 Time set 58 Timeslots 10 Title instrument settings 59 Total results 53 Transparent thru mode 9 Trouble scan 32 TX/RX setup display 2 VF tone generating 20 measurement 42 View...
  • Page 85 Index Index-8...
  • Page 86: Hewlett-Packard Sales And Service Offices

    The list of Hewlett-Packard Sales and Service Offices listed below may not be up to date. An up to date and complete list can be found on the World Wide Web at: http://www.tmo.hp.com/tmo/contacts/English/callcenters.html Asia Pacific: Hong Kong: Tel: (852) 2599 7889...
  • Page 87: Australia/New Zealand

    Hewlett-Packard Sales and Service Offices People’s Republic of China: Tel: (86-10) 6505 0149 Singapore: Tel: (1800) 292 8100 Taiwan: Tel: (886-3) 492 9666 Thailand: Tel: (66-2) 661 3900 For countries in Asia Pacific not listed, con- tact: Hewlett-Packard Asia Pacific Ltd 17-21/F Shell Tower, Times Square, 1 Matheson Street Causeway Bay...
  • Page 88 Hewlett-Packard Sales and Service Offices Europe, Africa and Middle East: Austria: Tel: (0)1 25000-0 Belgium and Luxembourg: Tel: (02) 778 3417 Baltic Countries: Tel: (358) 08872 2100 Czech Republic: Tel: 420-2-4743111 Denmark: Tel: 45 99 10 00 Finland: Tel: (90) 88 721 France: Tel: (0)1 69.82.60.60 Germany:...
  • Page 89 Hewlett-Packard Sales and Service Offices Italy: Tel: 02 - 92 122 241 Netherlands: Tel: (020) 547 6669 Norway: Tel: (22) 73 57 50 Poland: Tel: 48-22-6087700 Portugal: Tel: (11) 482 85 00 Russia: Tel: (7/095) 928 6885 Fax: (7/095) 916 9844 South Africa: Tel: 27-22-8061000 Spain:...
  • Page 90 Hewlett-Packard Sales and Service Offices For countries in Europe/Middle East and Africa not listed, contact: Hewlett-Packard International Sales Europe Geneva, Switzerland Tel: +41-22-780-4111 Fax: +41-22-780-4770 Latin America: Hewlett-Packard Latin American Region Headquarters 5200 Blue Lagoon Drive 9th Floor Miami, Florida 33126 U.S.A.
  • Page 91 Hewlett-Packard Sales and Service Offices...
  • Page 92 About This Edition This is the First edition of the E7580-90000 manual. It documents the product as of 12/98. Edition dates are as follows: 1st Edition, 12/98 © Copyright Hewlett- Packard Company 1998. All rights reserved. Reproduction, adaption, or translation without prior written permission is prohibited, except as allowed under the...
  • Page 93 In This Book Printed in U.K. 12/98 E7580-90000...

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