HP 37717C Operating Manual
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HP 37717C Operating Manual

Communications performance analyzer, pdh / dsn
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HP 37717C
Communications
Performance Analyzer
PDH / DSn
Operating Manual

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  • Page 1 PDH / DSn Operating Manual HP 37717C Communications Performance Analyzer...
  • Page 2 The product is marked or use of this material. HP Part No. 37717-90283 with this symbol to indicate that hazardous First edition, September 97 voltages are present Printed in U.K.
  • Page 3 PDH / DSn Operating Manual HP 37717C Communications Performance Analyzer...
  • Page 4 HP 37717C irrespective of the option configuration. “The HP 37717C SDH / SONET Operating Manual” describes the selection of SDH / SONET features and how to perform SDH / SONET tests with the HP 37717C Communications Performance Analyzer.

  • Page 5: Table Of Contents

    E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) 19 Binary Interfaces. Option UH3 (US7) 22 2 PDH / DSn Testing With The HP 37717C Alarm Monitoring 26 Analysis of N X 64 kb/s 29...
  • Page 6 Contents...

  • Page 7: Hp 37717C Pdh / Dsn Features

    E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) page 19 Binary Interfaces. Option UH3 (US7) page 22 HP 37717C PDH / DSn Features Information on the optional modules including selection of the features available.

  • Page 8: Introduction To Pdh / Dsn

    HP 37717C PDH / DSn Features Introduction to PDH / DSn Introduction to PDH / DSn The Plesiochronous Digital Hierarchy (PDH / DSn) is still the dominant technology in most existing telecommunications networks throughout the world, although it is being replaced in many networks by Synchronous Digital Hierarchy (SDH) or SONET networks.

  • Page 9: Options With Pdh / Dsn Capability

    HP 37717C PDH / DSn Features Options With PDH / DSn Capability Options With PDH / DSn Capability Unstructured PDH Generation and Measurement. Option UKK (USB) Option UKK (USB), Unstructured PDH, provides generation and measurement of unstructured PDH at interface rates of 704 kb/s, 2.048 Mb/ s, 8.448 Mb/s, 34.368 Mb/s and 139.264 Mb/s.

  • Page 10: Structured Pdh Generation And Measurement. Options Ukj (Usa) And Ukn (Use)

    MUX connector allows a 2 Mb/s signal from external equipment to be inserted into the HP 37717C test signal. DEMUX connector allows a 2 Mb/s signal from the HP 37717C to be Dropped to external equipment. Option UKN (USE) also provides generation and measurement of PDH signals with ATM payloads.

  • Page 11: Ds1, Ds3, E1 And E3 Transmit And Receive Interfaces For Atm Payloads. Option Ukz

    HP 37717C PDH / DSn Features DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ Option UKZ, provides generation and measurement of PDH /DSn signals with ATM payloads at interface rates of: 1.544 Mb/s (DS1), 44.736 Mb/s (DS3),...

  • Page 12: E1, E3 And E4 Transmit And Receive Interfaces For Atm Payloads. Option Ukn (Use)

    HP 37717C PDH / DSn Features E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) Option UKN (USE) provides generation and measurement of PDH signals with ATM payloads at rates of 2.048 (E1), 34.368 (E3) and...

  • Page 13: Binary Interfaces. Option Uh3 (Us7)

    HP 37717C PDH / DSn Features Binary Interfaces. Option UH3 (US7) Binary Interfaces. Option UH3 (US7) Option UH3 (US7) provides binary NRZ interfaces for the structured PDH module option UKJ (USA), and the unstructured PDH module option UKK (USB). The interfaces can operate at any of the standard rates ± 100 ppm.

  • Page 14: Multiple Pdh Outputs. Option Uhc (Us6)

    HP 37717C PDH / DSn Features Multiple PDH Outputs. Option UHC (US6) Multiple PDH Outputs. Option UHC (US6) Ω Option UHC (US6), Multiple PDH Outputs, provides three additional 75 outputs. OUT 1 is delayed by 4 bits relative to the main PDH OUT.

  • Page 15: Pdh / Dsn Display Reference

    HP 37717C PDH / DSn Features PDH / DSn Display Reference PDH / DSn Display Reference Unstructured PDH Generation and Measurement. Option UKK (USB) A choice of 5 SIGNAL rates is available. The clock is normally synchronized to an internal clock.
  • Page 16 HP 37717C PDH / DSn Features Unstructured PDH Generation and Measurement. Option UKK (USB) PATTERN allows a choice of PRBS and WORD patterns. Line CODE and TERMINATION can be selected to match the requirements of network equipment. Errors of the type selected on the TEST...

  • Page 17: Structured Pdh Generation And Measurement. Options Ukj (Usa) Or Ukn (Use)

    HP 37717C PDH / DSn Features Structured PDH Generation and Measurement. Options UKJ (USA) or UKN (USE) Structured PDH Generation and Measurement. Options UKJ (USA) or UKN (USE) A choice of four SIGNAL rates is available. The clock is synchronized to an internal clock.
  • Page 18 HP 37717C PDH / DSn Features Structured PDH Generation and Measurement. Options UKJ (USA) or UKN (USE) If 2Mb/s SIGNAL rate is selected the choice of Framing type is included in the PAYLOAD TYPE menu. If STRUCTURED is selected a new...
  • Page 19 HP 37717C PDH / DSn Features Structured PDH Generation and Measurement. Options UKJ (USA) or UKN (USE) 34Mb, 8Mb and 2Mb allow selection of the tributary of interest. PATTERN allows a choice of PRBS and WORD patterns. PRBS POLARITY allows a choice between Inverted (CCITT recommended) and Normal.
  • Page 20 HP 37717C PDH / DSn Features Structured PDH Generation and Measurement. Options UKJ (USA) or UKN (USE) If the receiver input is derived from the network equipment monitor point then is pressed until the SIGNAL IN MONITOR indicator is lit.

  • Page 21: Option Ukz

    HP 37717C PDH / DSn Features DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ A choice of four PDH / DSn SIGNAL...
  • Page 22 HP 37717C PDH / DSn Features DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ At the 34Mb/s SIGNAL rate a TRAIL TRACE facility is available. The default signal, HP37717C, may be replaced with a selectable message.
  • Page 23 HP 37717C PDH / DSn Features DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ TEST FUNCTION TRANSMIT allows the addition of errors and alarms at the physical and ATM layers. The types of error available for selection will depend on the SIGNAL rate selected.
  • Page 24 HP 37717C PDH / DSn Features DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ Select RESULTS PDH RESULTS Then select the type of result required. Information on the ATM features of this module is given in “The ATM Operating...

  • Page 25: E1, E3 And E4 Transmit And Receive Interfaces For Atm Payloads. Option Ukn (Use)

    HP 37717C PDH / DSn Features E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) A choice of three PDH SIGNAL rates is...
  • Page 26 HP 37717C PDH / DSn Features E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) When SDH / SONET modules are fitted, additional transmission and reception rates are available. For example STM-1 OPTICAL and STM-1 (ELECTRICAL)
  • Page 27 HP 37717C PDH / DSn Features E1, E3 and E4 Transmit and Receive Interfaces for ATM Payloads. Option UKN (USE) Then select the type of result required. NOT E When DS3 frame errors are being measured, errors in either FAS or MFAS bits are included.

  • Page 28: Binary Interfaces. Option Uh3 (Us7)

    HP 37717C PDH / DSn Features Binary Interfaces. Option UH3 (US7) Binary Interfaces. Option UH3 (US7) To enable the selection of TRANSMIT NRZ binary interfaces, select, MAIN SETTINGS, INTERFACE, BINARY The CLOCK SYNC for the transmitted signal may be selected as either the internal source or from an external binary (NRZ) input.
  • Page 29 HP 37717C PDH / DSn Features Binary Interfaces. Option UH3 (US7) The binary clock and data input thresholds and polarity are selectable. The DATA threshold selections are: TTL (1.5V), ECL (-1.3V) and GND (0V) The CLOCK thresholds are as for data plus AUTO (mean signal level).
  • Page 30 HP 37717C PDH / DSn Features Binary Interfaces. Option UH3 (US7)

  • Page 31: Pdh / Dsn Testing With The Hp 37717C

    FAS Monitoring page 44 Frequency Measurement page 48 Frequency Offset Tolerance page 51 Multiplexer Testing page 55 Round Trip Delay page 60 M2100, M2110, M2120 Analysis page 63 Monitoring DS3 with ATM Payloads page 67 PDH / DSn Testing With The HP 37717C...

  • Page 32: Alarm Monitoring

    Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state. For a list of Default Settings and the procedure for accessing them see Stored Settings.
  • Page 33 PDH / DSn Testing With The HP 37717C Alarm Monitoring 1 Connect the HP 37717C to the line terminal equipment protected Monitor point and set up the display RECEIVE as shown opposite. MAIN SETTINGS The GAIN and EQUALIZER settings should be set to optimize the received signal.
  • Page 34 PDH / DSn Testing With The HP 37717C Alarm Monitoring Start the Test (Alarm Monitoring) 1 . Set up the display as RESULTS shown opposite and select PDH ALM SCAN If any of the three alarms, Frame Loss, RAI or AIS has occurred the appropriate point in the hierarchy will be highlighted.

  • Page 35: Analysis Of N X 64 Kb/S

    End to End basis using two test sets. Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state.
  • Page 36 PDH / DSn Testing With The HP 37717C Analysis of N X 64 kb/s HP 37717C #1 1. Set up the OTHER SETTINGS display as shown opposite. CONTROL Any settings change made on the ] or displays will TRANSMIT RECEIVE automatically occur on the other.
  • Page 37 PDH / DSn Testing With The HP 37717C Analysis of N X 64 kb/s 4. Set up the display as shown RESULTS opposite. The RESULTS type may be changed during the measurement without interrupting the test. HP 37717C #2 1. Set up the...
  • Page 38 PDH / DSn Testing With The HP 37717C Analysis of N X 64 kb/s 3. Set up the STRUCTURED RECEIVE display as shown opposite. SETTINGS In this example timeslots 3, 5, 9, 25, 26 and 27 are selected. 2M PAYLOAD selects the Framing which must match that of the network equipment.

  • Page 39: Bert Testing

    Two HP 37717C's are required for this measurement, one at each end of the link. End-to End Test...
  • Page 40 Loopback Test Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state. For a list of Default Settings and the procedure for accessing them see Stored Settings.
  • Page 41 PDH / DSn Testing With The HP 37717C BERT Testing 1. Set up the OTHER SETTINGS display as shown opposite CONTROL (on both HP 37717C's if end to end). Any settings change made on the displays will TRANSMIT RECEIVE automatically occur on the other.
  • Page 42 GRAPH display. If Remote Control option A3B or A3D is fitted the graph results can be logged to an external printer, at a later date. See Graphics and External HP 550C DeskJet Printer in the Mainframe Operating Manua. • Results and Alarm summaries can be viewed on the GRAPH display.
  • Page 43 PDH / DSn Testing With The HP 37717C BERT Testing The total graphics store capacity is normally 20,000 events. If GRAPH STORAGE RESOLUTION [FULL] is selected on the OTHER display MISCELLANEOUS the capacity reduces to 10,000 events. The resolution, determined by the selection made under STORAGE on the...

  • Page 44: Cross Multiplexer Testing

    Default (Known State) Settings It is advisable to set the HP 37717C to a known state before setting up a measurement. This clears all previous settings and provides a clearly defined instrument state. For a list of Default Settings and the procedure for accessing them see Stored Settings in the Mainframe Operating Manua.
  • Page 45 PDH / DSn Testing With The HP 37717C Cross Multiplexer Testing Cross Multiplexer Testing 1. Connect the HP 37717C to the network equipment and set up the OTHER display as shown SETTINGS CONTROL opposite.
  • Page 46 PDH / DSn Testing With The HP 37717C Cross Multiplexer Testing 2. Set up the display as TRANSMIT shown opposite. The PAYLOAD TYPE determines the Framing, which is selected from the softkey menu. Selections of Framing and Code must match those of the network equipment.
  • Page 47 PDH / DSn Testing With The HP 37717C Cross Multiplexer Testing 5. Select the logging device and set up the display, function, OTHER LOGGING as shown opposite. WHEN [PERIOD EC>0] ensures results are not logged on the selected logging device when a print period is error free.
  • Page 48 GRAPH display. If Remote Control option A3B or A3D is fitted the graph results can be logged to an external printer, at a later date. See Graphics and External HP 550C DeskJet Printer in the Mainframe Operating Manua. • Results and Alarm summaries can be viewed on the GRAPH display.
  • Page 49 PDH / DSn Testing With The HP 37717C Cross Multiplexer Testing The total graphics store capacity is normally 20,000 events. If GRAPH STORAGE RESOLUTION [FULL] is selected on the OTHER display MISCELLANEOUS the capacity reduces to 10,000 events. The resolution, determined by the selection made under STORAGE on the...

  • Page 50: Fas Monitoring

    Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state.
  • Page 51 PDH / DSn Testing With The HP 37717C FAS Monitoring alarms are logged on the selected logging device in real time. PDH / DSn FAS Monitoring 1. Connect the HP 37717C to the line terminal equipment protected Monitor point and set up the...
  • Page 52 PDH / DSn Testing With The HP 37717C FAS Monitoring 2. Set up the display RECEIVE as shown STRUCTURED SETTINGS opposite. 2M PAYLOAD Framing selection should match that of the network equipment. 3. Set up the OTHER LOGGING display as shown opposite.
  • Page 53 PDH / DSn Testing With The HP 37717C FAS Monitoring (Short Term, Cumulative and G.821 Analysis) 8 Mb/s - FAS (Short Term, Cumulative and G.821 Analysis) 2 Mb/s - FAS, CRC and REBE (Short Term, Cumulative and G.821 Analysis) • Any occurrence of Alarms or Error Seconds during the test period are logged on the selected logging device.

  • Page 54: Frequency Measurement

    Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state.
  • Page 55 PDH / DSn Testing With The HP 37717C Frequency Measurement Figure 1 Frequency Measurement 1. Select SIGNAL [8 Mb/s] on the display. RECEIVE For frequency measurement PATTERN; TERMINATION and CODE are not relevant. 2. Select RESULTS FREQUENCY...
  • Page 56 BIT RATE the error message Unable to recover clock appears on the display. A FREQ reading is displayed but this should be ignored. At the End of the Test (Frequency Measurement) Disconnect the HP 37717C from the line terminal equipment.

  • Page 57: Frequency Offset Tolerance

    20 ppm. Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state. For a list of Default Settings and the procedure for accessing them see Stored Settings in the Mainframe Operating Manual.
  • Page 58 PDH / DSn Testing With The HP 37717C Frequency Offset Tolerance If checking frequency offset tolerance at SDH rates one of the following options must be fitted: • US1 (US5) or A1T (A1U) - SDH Module (STM-1 electrical) • UH1 or UH2 or URU (STM-1 or STM-4 optical) This setup procedure tests the clock recovery capability of the line terminal Ω...
  • Page 59 PDH / DSn Testing With The HP 37717C Frequency Offset Tolerance 2. Set up the display as shown RECEIVE opposite. Select the PATTERN required from the menu. 3. Set up the display as shown RESULTS opposite. Any of the other results can be selected without affecting the measurement.
  • Page 60 PDH / DSn Testing With The HP 37717C Frequency Offset Tolerance Run the Test (Frequency Offset Tolerance) Ω 1. Connect the HP 37717C to the 75 interface of the multiplexer and set up the display as shown opposite. TRANSMIT 2. Press...

  • Page 61: Multiplexer Testing

    Default (Known State) Settings It is advisable to set the HP 37717C to a known state before setting up a measurement. This clears all previous settings and provides a clearly defined instrument state. For a list of Default Settings and the procedure for accessing them see Stored Settings.
  • Page 62 PDH / DSn Testing With The HP 37717C Multiplexer Testing Figure 3 Structured PDH Multiplexer Test N OTE This test can be performed using the Unstructured PDH Option UKK (USB) but the equipment configuration is slightly different as shown below.
  • Page 63 PDH / DSn Testing With The HP 37717C Multiplexer Testing 1. Connect the HP 37717C to the network equipment and set up the OTHER display as shown SETTINGS CONTROL opposite. 2. Set up the display TRANSMIT as shown opposite. MAIN SETTINGS...
  • Page 64 PDH / DSn Testing With The HP 37717C Multiplexer Testing 4. Set up the display RECEIVE as shown STRUCTURED SETTINGS opposite. The required 34 Mb/s test signal is selected under 34Mb. 5. Select the logging output required with display, OTHER...
  • Page 65 PDH / DSn Testing With The HP 37717C Multiplexer Testing during the test period. • The test can be halted at any time by pressing RUN/STOP At the End of the Multiplexer Test • The Date and Time the test started and the instrument setup are logged on the selected logging device.

  • Page 66: Round Trip Delay

    Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state.
  • Page 67 PDH / DSn Testing With The HP 37717C Round Trip Delay 1. Connect the HP 37717C to the network equipment as shown and set up the display OTHER SETTINGS CONTROL as shown opposite. Any settings change made on the displays will...
  • Page 68 PDH / DSn Testing With The HP 37717C Round Trip Delay 1. Connect a loopback at the desired point on the line terminal equipment and set up display as shown opposite. RESULTS 2. Press to start a RUN/STOP measurement. 3. Press error add...

  • Page 69: M2100, M2110, M2120 Analysis

    PDH / DSn Testing With The HP 37717C M2100, M2110, M2120 Analysis M2100, M2110, M2120 Analysis Application Previously ITU-T G.821 was the only international recommendation available to measure the quality of a communications link. ITU-T G.821 was originally an “Out of Service”...
  • Page 70 M2100, M2110, M2120 Analysis Default (Known State) Settings It can be advisable to set the HP 37717C to a known state prior to setting up to make a measurement. This clears all previous settings and provides a clearly defined instrument state. For a list of Default Settings and the procedure for accessing them see Stored Settings in the Mainframe Operating Manual.
  • Page 71 PDH / DSn Testing With The HP 37717C M2100, M2110, M2120 Analysis 3. Set up the display TRANSMIT as shown STRUCTURED SETTINGS opposite. 2M PAYLOAD selects the Framing which must match that of the network equipment. 4. Set up the...
  • Page 72 PDH / DSn Testing With The HP 37717C M2100, M2110, M2120 Analysis 6. Set up the display as shown RESULTS opposite Select the Path Allocation value required in the range 0.5% to 40%. The Path Allocation value determines the S1 and S2 limits and these will change on the display as the Path Allocation value is changed.

  • Page 73: Monitoring Ds3 With Atm Payloads

    PDH / DSn Testing With The HP 37717C Monitoring DS3 with ATM Payloads Monitoring DS3 with ATM Payloads Option Required DS1, DS3, E1 and E3 Transmit and Receive Interfaces for ATM Payloads. Option UKZ Connect the HP 37717C RECEIVE DS3 IN to the network monitor point, select display and DS3 rate.
  • Page 74 PDH / DSn Testing With The HP 37717C Monitoring DS3 with ATM Payloads Select ALARM RESULTS SECONDS to display the physical and convergence layer alarms. Information on cell level testing is given in “The ATM Operating Manual”.
  • Page 75 Index Structured PDH, 11 Alarm generation selection, 17 Graph Structured PDH , Options UKJ or UKN Alarm Monitoring, 26 Storage resolution selection, 37 Display Selections, 11 Alarm scan display, 28 Module Information, 11 Alarm seconds display, 28 Structured PDH Multiplexer Test, 56 Analysis of N X 64 kb/s, 29 Handset, 13 Termination, 10, 11, 15, 19...
  • Page 76 Index DRAFT...
  • Page 77 Hewlett-Packard Sales and Service Offices Hewlett-Packard Sales and Service Offices United States: Japan: Hewlett-Packard Company Yokogawa-Hewlett-Packard Ltd. 2101 Gaither Road Measurement Assistance Center Rockville 9-1, Takakura-Cho MD 20850 Hachioji-Shi (301) 258-2000 Tokyo 192 Japan Hewlett-Packard Company (81) 426 48 0722 5201 Tollview Drive Rolling Meadows IL 60008...
  • Page 78 Learning Products Map All of the learning products which apply to the HP 37717C Communications Performance Analyzer with ATM Services and LAN testing capability are shown below: The HP 37717C Mainframe Operating Manual- 37717-90282 General operating information irrespective of option.
  • Page 79 About This Edition This is the 1st edition of the 37717-90283 manual. It documents the product as of September 1997. Edition dates are as follows: 1st Edition, September 1997 © Copyright Hewlett- Packard Ltd. 1997. All rights reserved. Reproduction, adaption, or translation without prior written permission is prohibited, except as...
  • Page 80 In This Book This book provides information on HP 37717C modules with PDH / DSn capability when used with instruments which have ATM Services and LAN testing capability. It also provides applications associated with these modules. The individual applications contain techniques which may be of value for purposes other than those shown.

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