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Strany 1 - OmniBER 718

HP 37718AOmniBER 718User’s GuideDSn/SONETOperation

Strany 2

xContents

Strany 3

90Making MeasurementsMeasuring Jitter Tolerance2 If you are performing jitter tolerance on the SONET signal, set up theSONET transmit and receive inte

Strany 4 - About This Book

91Making MeasurementsMeasuring Jitter ToleranceHOW TO: View the Results1 Choose the results FORMAT.If is chosen, a plot of the jitter tolerance resul

Strany 5

92Making MeasurementsMeasuring Jitter TransferMeasuring Jitter TransferDescription: You can perform Jitter transfer measurements at each of the four D

Strany 6 - 3 Making Measurements

93Making MeasurementsMeasuring Jitter TransferHOW TO: Perform Jitter Transfer CalibrationNOTE The CALIBRATION should always be carried out with LEVEL

Strany 7

94Making MeasurementsMeasuring Jitter Transfer4 Choose JITTER on thedisplay.5 Choose the NUMBER OF POINTS at which jitter is transmitted (3 to55)6 Ch

Strany 8

95Making MeasurementsMeasuring Jitter TransferHOW TO: Start the Jitter Transfer MeasurementNOTE The Jitter Transfer measurement must be started within

Strany 9

96Making MeasurementsMeasuring Jitter TransferHOW TO: View the Results1 Choose the results FORMAT.If is chosen, a plot of the jitter transfer results

Strany 10 - Contents

44 Storing, Logging and Printing

Strany 11 - 1 Setting the Interfaces

98Storing, Logging and PrintingSaving Graphics Results to Instrument StoreSaving Graphics Results to InstrumentStoreDescription Graphical representati

Strany 12 - Setting the Interfaces

99Storing, Logging and PrintingRecalling Stored Graph ResultsRecalling Stored Graph ResultsDescription Results stored from a previous measurement can

Strany 13 - STRUCTURED

11 Setting the InterfacesThis chapter tells you how to set the instrumentinterfaces to match the network being tested.

Strany 14 - EXTERNAL

100Storing, Logging and PrintingRecalling Stored Graph ResultsThe top row of the display comprises five fields:Store Memory location in whichthe display

Strany 15

101Storing, Logging and PrintingViewing the Bar Graph DisplayViewing the Bar Graph DisplayDescription All the graphic results obtained during the meas

Strany 16

102Storing, Logging and PrintingViewing the Bar Graph DisplayZoom The width, in minutes, of each "bar" in the bar graph,controlled by / .Cur

Strany 17 - TRANSFER FUNCTION

103Storing, Logging and PrintingViewing the Graphics Error and Alarm SummariesViewing the Graphics Error and AlarmSummariesDescription The error and a

Strany 18

104Storing, Logging and PrintingViewing the Graphics Error and Alarm SummariesStart The start time and date of the test, that produced thedisplayed re

Strany 19

105Storing, Logging and PrintingLogging Graph DisplaysLogging Graph DisplaysDescription The bar graphs and error and alarm summaries can be logged to

Strany 20

106Storing, Logging and PrintingLogging Graph Displays4 Choose to confirm or abort the print.To confirm the print and only print the portion of the grap

Strany 21 - Setting SONET THRU Mode

107Storing, Logging and PrintingLogging ResultsLogging ResultsDescription Test Period LoggingIf degradations in system performance can be observed at

Strany 22 - SONET TEST FUNCTION SONET

108Storing, Logging and PrintingLogging Results • Optional Internal printer fitted into the instrument front cover(Option 602) • External HP-IB printer

Strany 23 - Using Smart Test

109Storing, Logging and PrintingLogging Resultsprinter paper).7 Choose the logging DEVICE.If RS232 is chosen, see "Logging Results to RS-232-C Pr

Strany 24

2Setting the InterfacesSetting DSn Transmit InterfaceDescription DSn transmit interface settings should match network equipmentsettings of Rate, Termi

Strany 25 - Setting DSn Receive Interface

110Storing, Logging and PrintingLogging on DemandLogging on DemandDescription When is pressed the chosen results are logged to the chosenlogging devic

Strany 26

111Storing, Logging and PrintingLogging on DemandIf PARALLEL is chosen, see "Logging Results to Parallel(Centronics)Printer " page 116.If D

Strany 27

112Storing, Logging and PrintingLogging Jitter Tolerance ResultsLogging Jitter Tolerance ResultsDescription The jitter auto tolerance feature provides

Strany 28

113Storing, Logging and PrintingLogging Jitter Tolerance Results7 Choose 80 character column width ( ) or 40 character columnwidth ( ) according to th

Strany 29 - Interface

114Storing, Logging and PrintingLogging Jitter Transfer ResultsLogging Jitter Transfer ResultsDescription The jitter transfer feature provides jitter

Strany 30

115Storing, Logging and PrintingLogging Jitter Transfer Resultswidth ( ) according to the capabilities of your printer.8 Choose the same baud SPEED as

Strany 31 - 2 Selecting Test Features

116Storing, Logging and PrintingLogging Results to Parallel (Centronics) PrinterLogging Results to Parallel(Centronics) PrinterDescription If Option 6

Strany 32 - Selecting Test Features

117Storing, Logging and PrintingLogging Results to HP-IB PrinterLogging Results to HP-IB PrinterDescription If Option 601, Remote Control Interface, i

Strany 33

118Storing, Logging and PrintingLogging Results to Internal PrinterLogging Results to Internal PrinterDescription If Option 602, Internal Printer is fi

Strany 34 - INCREASE DIGIT

119Storing, Logging and PrintingLogging Results to RS-232-C PrinterLogging Results to RS-232-C PrinterDescription If Option 601, Remote Control Interf

Strany 35

3Setting the InterfacesSetting DSn Transmit Interface3 If DS1 or DS3 is chosen, choose the required OUTPUT LEVEL.4 If you have chosen 2 Mb/s as the SI

Strany 36

120Storing, Logging and PrintingPrinting Results from DiskPrinting Results from DiskDescription The results and alarms you logged to Disk can be print

Strany 37 - Generating Overhead Sequences

121Storing, Logging and PrintingConnecting an HP 850C DeskJet Printer to a Parallel PortConnecting an HP 850C DeskJetPrinter to a Parallel PortDescrip

Strany 38

122Storing, Logging and PrintingChanging Internal Printer PaperChanging Internal Printer PaperDescription The printer accepts rolls of thermal paper w

Strany 39

123Storing, Logging and PrintingChanging Internal Printer Paper4 Put the paper roll on the spindle such that the sensitive side will be onthe undersid

Strany 40

124Storing, Logging and PrintingChanging Internal Printer Paper6 Ifthe printerpaperisincorrectlyaligned, raisethe printermechanismfront cover to relea

Strany 41

125Storing, Logging and PrintingCleaning Internal Printer Print HeadCleaning Internal Printer Print HeadDescription The print head should be cleaned w

Strany 42

126Storing, Logging and PrintingCleaning Internal Printer Print Head

Strany 43 - , and to set the

55 Using Instrument and Disk Storage

Strany 44 - Setting up Signaling Bits

128Using Instrument and Disk StorageStoring Configurations in Instrument StoreStoring Configurations in InstrumentStoreDescription You can store measure

Strany 45

129Using Instrument and Disk StorageTitling Configuration in Instrument StoreTitling Configuration in InstrumentStoreDescription When storing configurati

Strany 46

4Setting the InterfacesSetting SONET Transmit InterfaceSetting SONET Transmit InterfaceDescription SONET transmit interface settings should match the

Strany 47 - INSERT DS1

130Using Instrument and Disk StorageRecalling Configurations from Instrument StoreRecalling Configurations fromInstrument StoreDescription Having stored

Strany 48

131Using Instrument and Disk StorageFormatting a DiskFormatting a DiskDescription Only 1.44M, MS-DOS compatible disks can be used in the HP 37718A.Any

Strany 49 - STORED SETTINGS COUPLED

132Using Instrument and Disk StorageLabeling a DiskLabeling a DiskDescription You can label your disks for ease of identification.HOW TO: 1 Choose DISK

Strany 50 - DESELECT ALL DESELECT SELECT

133Using Instrument and Disk StorageManaging Files and Directories on DiskManaging Files and Directories on DiskDescription File and Directory structu

Strany 51

134Using Instrument and Disk StorageManaging Files and Directories on DiskAccessing Directories and Files1 Choose DISK OPERATION .2 Choose FILE TYPE y

Strany 52

135Using Instrument and Disk StorageManaging Files and Directories on DiskNOTE Title Bar - File types displayed and current directory. (cannot behighl

Strany 53 - Ω IN port of the PDH/DSn

136Using Instrument and Disk StorageManaging Files and Directories on DiskRenaming a File on DiskDescription Files can be renamed as an aid to efficien

Strany 54

137Using Instrument and Disk StorageManaging Files and Directories on DiskDeleting a File on DiskDescription Obsolete files can be deleted as an aid to

Strany 55

138Using Instrument and Disk StorageManaging Files and Directories on DiskDeleting a Directory on DiskDescription Obsolete Directories should be delet

Strany 56 - DROP DS3

139Using Instrument and Disk StorageManaging Files and Directories on DiskAdding Descriptors to Disk FilesDescription When storing configurations or gr

Strany 57

5Setting the InterfacesSetting SONET Transmit Interface4 Choose FOREGROUND , BACKGROUND MAPPING and type of payload.Mapping may be selected from a pic

Strany 58

140Using Instrument and Disk StorageSaving Graphics Results to DiskSaving Graphics Results to DiskDescription Graphics results can be saved to a file o

Strany 59

141Using Instrument and Disk StorageSaving Graphics Results to Disk2 Choose the directory in which to save the graphics results. See"Accessing Di

Strany 60 - DSn Payload

142Using Instrument and Disk StorageSaving Data Logging to DiskSaving Data Logging to DiskDescription Data Logging can be saved to a file on disk. The

Strany 61 - Using FEAC Codes

143Using Instrument and Disk StorageSaving Configurations to DiskSaving Configurations to DiskDescription You can store a large number of measurement se

Strany 62

144Using Instrument and Disk StorageRecalling Configuration from DiskRecalling Configuration from DiskDescription If a configuration has been stored on d

Strany 63 - Setting DSn Spare Bits

145Using Instrument and Disk StorageRecalling Graphics Results from DiskRecalling Graphics Results from DiskDescription If graphic results have been s

Strany 64 - Adding Pointer Adjustments

146Using Instrument and Disk StorageCopying Configuration from Instrument Store to DiskCopying Configuration fromInstrument Store to DiskDescription If

Strany 65 - STOP INIT

147Using Instrument and Disk StorageCopying Configuration from Instrument Store to Disk3 To copy the configuration from instrument to Disk choose .If yo

Strany 66

148Using Instrument and Disk StorageCopying Configuration from Disk to Instrument StoreCopying Configuration from Disk toInstrument StoreDescription If

Strany 67

149Using Instrument and Disk StorageCopying Configuration from Disk to Instrument Store4 To copy the configuration from Disk to instrument, choose .Ifyo

Strany 68

6Setting the InterfacesSetting SONET Transmit InterfaceIf you have chosen 2 Mb/s, DS1 or DS3 under Mapping, the Framedchoice is expanded to provide a

Strany 69

150Using Instrument and Disk StorageCopying Graphics Results from Instrument Store to DiskCopying Graphics Results fromInstrument Store to DiskDescrip

Strany 70

151Using Instrument and Disk StorageCopying Graphics Results from Instrument Store to Disk4 If you wish to view the graphic results at a later date vi

Strany 71 - SONET RESULTS

152Using Instrument and Disk StorageCopying Graphics Results from Instrument Store to Disk

Strany 72

66 Selecting and Using "Other" Features

Strany 73 - Circuits

154Selecting and Using "Other" FeaturesCoupling Transmit and Receive SettingsCoupling Transmit and Receive SettingsDescription When generati

Strany 74 - Switch Messages

155Selecting and Using "Other" FeaturesSetting Time & DateSetting Time & DateDescription When making Bit error measurements and reco

Strany 75 - Communications Channel

156Selecting and Using "Other" FeaturesEnabling Keyboard LockEnabling Keyboard LockDescription You can protect the measurement settings from

Strany 76

157Selecting and Using "Other" FeaturesEnabling Beep on Received ErrorEnabling Beep on Received ErrorDescription You can have an audible ind

Strany 77

158Selecting and Using "Other" FeaturesSuspending Test on Signal LossSuspending Test on Signal LossWhen running a test, you can choose to su

Strany 78

159Selecting and Using "Other" FeaturesSetting Error Threshold IndicationSetting Error Threshold IndicationDescription When making error mea

Strany 79 - Test Timing

7Setting the InterfacesSetting Jitter Transmit InterfaceSetting Jitter Transmit InterfaceDescription: You can add jitter to the transmitted DSn or SON

Strany 80 - ANALYSIS

160Selecting and Using "Other" FeaturesSetting Screen Brightness and ColorSetting Screen Brightness and ColorDescription The HP 37718A scree

Strany 81

161Selecting and Using "Other" FeaturesDumping Display to DiskDumping Display to DiskDescription The chosen display may be stored on disk in

Strany 82 - Measuring Frequency

162Selecting and Using "Other" FeaturesDumping Display to Disk4 Choose the directory in which to save the Screen Dump. See"Accessing Di

Strany 83 - Measuring Optical Power

163Selecting and Using "Other" FeaturesRunning Self TestRunning Self TestDescription Before using the HP 37718A to make measurements, you ca

Strany 84 - Measuring Round Trip Delay

164Selecting and Using "Other" FeaturesRunning Self TestNOTE If any or all of these connections are not made the HP 37718A will FAILSelf Tes

Strany 85 - DSn PAYLOAD

165Selecting and Using "Other" FeaturesRunning Self Test4 Press toactivatethe SelfTest. TESTSTATUS RUNNINGwill be displayed.The information

Strany 86 - Monitoring Signaling Bits

166Selecting and Using "Other" FeaturesRunning Self Test

Strany 87 - TEST FUNCTION

Appendix A7 STS-1 SPE BackgroundPatternsThe following tables list the background patterns available when selecting specificforegrounds.

Strany 88 - SERVICE DISRUPT

168STS-1 SPE Background PatternsTable 2 STS-1 SPE Background PatternsForeground Background choice inForeground TUG-3Background choice in otherAU-3STS-

Strany 89 - SRVC DISRUPT

Appendix B8 ETSI/ANSI TerminologyA table of ETSI terms with their ANSI equivalents.

Strany 90 - MAIN SETTINGS

8Setting the InterfacesSetting Jitter Transmit Interface5 Choose the modulation source.If adding jitter to the DSn signal and is chosen, connectthe e

Strany 91

170ETSI/ANSI TerminologyETSI/ANSI Conversion and Equivalent Terms ETSI/ANSI Conversion and Equivalent TermsIntroductionThe terminology used on the ins

Strany 92 - SONET ALM SCAN

171ETSI/ANSI TerminologyETSI/ANSI Conversion and Equivalent TermsMS-RDI Line FERF / RDI-LMultiplexer Section Overhead Line OverheadNetwork Node Interf

Strany 93 - Performing a DSn Alarm Scan

172ETSI/ANSI TerminologyETSI/ANSI Conversion and Equivalent TermsNOTE: VC is an ETSI abbreviation for Virtual Container and an ETSI /ANSI abbreviation

Strany 94 - Measuring Jitter

Index173AAlarm scanDSn, 83SONET, 82Alarms & errorsDSn add, 50DSn payload add, 50SONET add, 49Analysis measurementDSn, 71DSn payload, 71SONET, 70AP

Strany 95

174IndexGG.821 analysis measurement, 71G.826 analysis measurement, 71Graphicscopy results frominstrument to disk,150logging displays, 105recall result

Strany 96 - Measuring Extended Jitter

Index175Overhead sequencerepeat run, 27single run, 27PPaper changeinternal printer, 122Parallel portconnecting Centronics printer, 121Path overheadcap

Strany 97 - Measuring Wander

176IndexAPS messages, 64DCC insert, 65errors & alarms DSn, 50errors & alarms SONET, 49MSP messages, 64overhead BER test, 68overhead capture, 2

Strany 98

Hewlett-Packard Sales and Service OfficesIf you need technical assistance with aHewlett-Packard test and measurementproduct or application please cont

Strany 99 - Measuring Jitter Tolerance

Hewlett-Packard Sales and Service Offices (cont’d)Finland:Tel: (90) 88 721France:Tel: (0)1 69.82.60.60Germany:Tel: (0180) 532 62-33Greece:Tel: 30-1-72

Strany 100

About This EditionThis is the 2nd edition ofthe DSn/SONET UsersGuide. It documents theproduct as of December1998. Edition dates are asfollows:1st Edit

Strany 101

9Setting the InterfacesSetting Wander Transmit InterfaceSetting Wander Transmit InterfaceDescription: You can add Wander to the 2 Mb/s DSn signal and

Strany 102 - Measuring Jitter Transfer

Printed in U.K. 12/9837718-90022In This BookThis book tells you how to select and usethe various instrument functions available.

Strany 103 - TERMINATE

Hewlett-Packard LimitedTelecommunications Networks Test DivisionSouth QueensferryWest Lothian, Scotland EH30 9TG Copyright Hewlett-Packard Ltd.1998Al

Strany 104

10Setting the InterfacesSetting Wander Transmit Interface6 Choose the WANDER MASK setting required.You can choose the wander modulating frequency and

Strany 105

11Setting the InterfacesSetting SONET THRU ModeSetting SONET THRU ModeDescription THRU mode is used to non-intrusively monitor SONET lines where nopro

Strany 106

12Setting the InterfacesSetting SONET THRU Mode2 Make the PAYLOAD OVERWRITE choice required.If STS-3cSPE, STS-1 SPE, VT-6,VT-2 or VT-1.5is chosen, the

Strany 107

13Setting the InterfacesUsing Smart TestUsing Smart TestDescription The Smart Test function can help speed-up configuringthe instrument intwo ways.1 A

Strany 108 - RUN/STOP

14Setting the InterfacesUsing Smart Test4 In SONET mode the incoming signal will be identified on the top lineof the display, and under this the payloa

Strany 109

15Setting the InterfacesSetting DSn Receive InterfaceSetting DSn Receive InterfaceDescription DSn Receive interface settings should match the network

Strany 110

16Setting the InterfacesSetting DSn Receive Interface5 Choose the PAYLOAD TYPE.If is required must be chosen.If is chosen, the DSn test signal must

Strany 111 - Viewing the Bar Graph Display

17Setting the InterfacesSetting SONET Receive InterfaceSetting SONET Receive InterfaceDescription SONET Receive interface settings should match the ne

Strany 112 - ZOOM IN ZOOM OUT

18Setting the InterfacesSetting Jitter Receive InterfaceSetting Jitter Receive InterfaceDescription: Jitter and error measurements are made simultaneo

Strany 113 - Summaries

19Setting the InterfacesSetting Extended Jitter Receive InterfaceSetting Extended Jitter ReceiveInterfaceDescription: Extended Jitter measurements are

Strany 114

User’s Guide DSn/SONET OperationHP 37718AOmniBER 718

Strany 115 - Logging Graph Displays

20Setting the InterfacesSetting Wander Receive InterfaceSetting Wander Receive InterfaceDescription: You can measure Wander at all DSn and SONET rates

Strany 116

22 Selecting Test Features

Strany 117 - Logging Results

22Selecting Test FeaturesUsing Transmit Overhead SetupDescription You can set an overhead byte to a known static state to aidtroubleshooting, for exam

Strany 118

23Selecting Test FeaturesUsing Transmit Overhead SetupIf (Transport Overhead) is chosen, choose the STS-1 to bedisplayed.Many bytesin and are unlabel

Strany 119

24Selecting Test FeaturesUsing Receive Overhead MonitorUsing Receive Overhead MonitorDescription When first connecting to a SONET network, a start up c

Strany 120 - Logging on Demand

25Selecting Test FeaturesUsing Receive Overhead MonitorIf BYTE NAMES is chosen, the labels for the overheadbytes are displayed.4 If POH (Path Overhea

Strany 121

26Selecting Test FeaturesSetting Overhead Trace MessagesSetting Overhead Trace MessagesDescription You can insert a data message to verify portions of

Strany 122

27Selecting Test FeaturesGenerating Overhead SequencesGenerating Overhead SequencesDescription You may insert a pattern into a functional group of ove

Strany 123

28Selecting Test FeaturesGenerating Overhead Sequences6 Start the sequence by choosing .NOTE When you start the sequence illustrated, one Out of Frame

Strany 124

29Selecting Test FeaturesUsing Receive Overhead CaptureUsing Receive Overhead CaptureDescription Section, Line and Path overhead provide network suppo

Strany 125

ivThis book tells you how to select the features that you want to use for your test.The selections available are presented in the following groups: •

Strany 126 - (Centronics) Printer

30Selecting Test FeaturesUsing Receive Overhead Capture- captures activity after the firstoccurrence of a deviation fromyour specified overhead state. C

Strany 127 - CONTROL

31Selecting Test FeaturesAdding Frequency Offset to SONET SignalAdding Frequency Offset to SONET SignalDescription Frequency offset can be added to th

Strany 128

32Selecting Test FeaturesAdding Frequency Offset to SONET SignalTributary Offset ±100 ppm1 Choose the amount of tributary offset required.You can set

Strany 129 - NORMAL COMPRESS

33Selecting Test FeaturesAdding Frequency Offset to the DSn SignalAdding Frequency Offset to the DSn SignalDescription You can add frequency offset to

Strany 130 - Printing Results from Disk

34Selecting Test FeaturesSetting up Signaling BitsSetting up Signaling BitsDescription When transmitting 2.048 Mb/s signals with timeslot-16 CAS (PCM3

Strany 131 - Printer to a Parallel Port

35Selecting Test FeaturesSetting up Signaling BitsSONET Operation1 Choose on the display2 Choose MAPPING or and VTPAYLOAD or on the display.3 I

Strany 132

36Selecting Test FeaturesSetting up Signaling Bits2 Choose SIGNAL or , and PAYLOAD TYPEon the display3 Choose TEST SIGNAL or on the display.4 Set the

Strany 133 - INSERT PAPER

37Selecting Test FeaturesSetting Transmit Structured Payload/Test SignalSetting Transmit Structured Payload/Test SignalDescription Structured DSn Payl

Strany 134 - Storing, Logging and Printing

38Selecting Test FeaturesSetting Transmit Structured Payload/Test Signal5 Choose the B/G PATTERN.The B/G PATTERN in the non test 56/64 kb/s timeslots

Strany 135 - PAPER FEED

39Selecting Test FeaturesSetting Receive Structured Payload/Test SignalSetting Receive Structured Payload/TestSignalDescription Structured DSn Payload

Strany 136

Contentsv1 Setting the InterfacesSetting DSn Transmit Interface 2Setting SONET Transmit Interface 4Setting Jitter Transmit Interface 7Setting Wander T

Strany 137

40Selecting Test FeaturesSetting TransmitNx64kb/s/N x 56 kb/s Structured Payload/Test SignalSetting Transmit N x 64 kb/s/N x 56 kb/sStructured Payload

Strany 138

41Selecting Test FeaturesSetting TransmitNx64kb/s/N x 56 kb/s Structured Payload/Test Signal6 The B/G PATTERN in the non-test 56/64 kb/s timeslots is

Strany 139 - PREVIOUS CHAR

42Selecting Test FeaturesSetting Receive N x 64 kb/s/N x 56 kb/s Structured Payload/Test SignalSetting Receive N x 64 kb/s/N x 56 kb/sStructured Paylo

Strany 140 - Instrument Store

43Selecting Test FeaturesInserting an External DSn Payload/Test SignalInserting an External DSn Payload/Test SignalDescription You can insert a DSn si

Strany 141 - Formatting a Disk

44Selecting Test FeaturesInserting an External DSn Payload/Test SignalInsert 2 Mb/s or DS1 (Unstructured SONET Payload)1 Connect the external payload

Strany 142 - Labeling a Disk

45Selecting Test FeaturesInserting an External DSn Payload/Test SignalStructured SONET Payload2 Set up the required transmit SONET interface. See &quo

Strany 143 - Creating a Directory on Disk

46Selecting Test FeaturesDropping an External Payload/Test SignalDropping an External Payload/Test SignalDescription You can drop a DSn signal from th

Strany 144 - - .CNF filter, - .SMG filter

47Selecting Test FeaturesDropping an External Payload/Test SignalDrop 2 Mb/s /DS1 (Unstructured SONET Payload)1 Connect the DEMUX port of the DSn mod

Strany 145

48Selecting Test FeaturesDropping an External Payload/Test SignalStructured SONET Payload2 Set up the required receive SONET interface. See "Sett

Strany 146 - Renaming a File on Disk

49Selecting Test FeaturesAdding Errors & Alarms at the SONET InterfaceAdding Errors & Alarms at the SONETInterfaceDescription Errors and alarm

Strany 147 - Deleting a File on Disk

viContentsInserting an External DSn Payload/Test Signal 43Dropping an External Payload/Test Signal 46Adding Errors & Alarms at the SONET Interface

Strany 148 - Deleting a Directory on Disk

50Selecting Test FeaturesAdding Errors & Alarms to the DSn Interface/DSn PayloadAdding Errors & Alarms to the DSn Interface/DSn PayloadDescrip

Strany 149 - PREVIOUS CHAR NEXT CHAR

51Selecting Test FeaturesUsing FEAC CodesUsing FEAC CodesDescription The third C-Bit in subframe 1 is used as a FEAC channel, where alarmor status inf

Strany 150

52Selecting Test FeaturesUsing FEAC Codes3 Choose the FEAC CODE TYPE.4 Choose the MESSAGE from the choices displayed.If you chose a DS1 message an add

Strany 151 - GRAPHICS

53Selecting Test FeaturesSetting DSn Spare BitsSetting DSn Spare BitsDescription Certain Spare Bits will cause the occurrence of a minor alarm whenrec

Strany 152 - Saving Data Logging to Disk

54Selecting Test FeaturesAdding Pointer AdjustmentsAdding Pointer AdjustmentsDescription The transmitted SPE or VT pointer value can be adjusted for t

Strany 153 - Saving Configurations to Disk

55Selecting Test FeaturesAdding Pointer AdjustmentsOFFSET - You can frequency offset the line rate or the SPE/VT rate,relative to each other, thus pro

Strany 154 - RECALL CONFIGURATION

56Selecting Test FeaturesAdding Pointer AdjustmentsNote: SINGLE (A1), BURST (A2) and PHASE TRANSIENT(A3) are NonPeriodic Sequences.Initialization Peri

Strany 155 - RECALL GRAPHICS

57Selecting Test FeaturesAdding Pointer AdjustmentsNOTE The following conditions apply for pointer sequence generation:The sequences can only be appli

Strany 156 - Instrument Store to Disk

58Selecting Test FeaturesAdding Pointer AdjustmentsT1.105 A3 PHASETRANSIENTGR-253 5031Phase transient pointer adjustment burst test sequence. Alladjus

Strany 157

59Selecting Test FeaturesAdding Pointer AdjustmentsNOTE For SPE pointers the sequence interval is selectable from 7.5 ms, 10, 20,30, 34 ms; 40 to 100

Strany 158 - , highlight the

ContentsviiMeasuring Jitter Transfer 924 Storing, Logging and PrintingSaving Graphics Results to Instrument Store 98Recalling Stored Graph Results 99V

Strany 159

60Selecting Test FeaturesAdding Pointer AdjustmentsTable 1 Pointer Sequences Available with Selected MappingPOINTER SEQUENCEMAPPINGSPE VT6, VT2 VT1.5A

Strany 160 - Copying Graphics Results from

61Selecting Test FeaturesUsing Pointer Graph Test Function Using Pointer Graph Test FunctionPointer Graph shows the relative offset during the measure

Strany 161

62Selecting Test FeaturesUsing Pointer Graph Test FunctionIf, during a long term measurement (4 days), an event occurs at aparticular time each day, a

Strany 162

63Selecting Test FeaturesStressing Optical Clock Recovery CircuitsStressing Optical Clock RecoveryCircuitsDescription Ideally clock recovery circuits

Strany 163

64Selecting Test FeaturesGenerating Automatic Protection Switch MessagesGenerating Automatic ProtectionSwitch MessagesDescription You can program th

Strany 164 - SETTINGS CONTROL

65Selecting Test FeaturesInserting & Dropping Data Communications ChannelInserting & Dropping DataCommunications ChannelDescription The Data C

Strany 165 - Setting Time & Date

66Selecting Test FeaturesInserting & Dropping Data Communications Channel

Strany 167 - MISCELLANEOUS

68Making MeasurementsUsing Overhead BER Test FunctionUsing Overhead BER Test FunctionDescription You can perform a Bit Error Rate test on chosen bytes

Strany 168

69Making MeasurementsTest TimingTest TimingDescription There are two aspects to test timing: • Error results may be displayed as short term or cumulat

Strany 169 - COLOR CONTROL

viiiContentsLabeling a Disk 132Managing Files and Directories on Disk 133Saving Graphics Results to Disk 140Saving Data Logging to Disk 142Saving Confi

Strany 170

70Making MeasurementsMaking SONET Analysis MeasurementsMakingSONETAnalysisMeasurementsDescription G.826, M.2101, M.2110 and M.2120 analysis results ar

Strany 171 - Dumping Display to Disk

71Making MeasurementsMaking DSn Analysis MeasurementsMaking DSn Analysis MeasurementsDescription G.821, G.826, M.2100, M.2110 and M.2120 analysis resu

Strany 172 - PRINT NOW

72Making MeasurementsMeasuring FrequencyMeasuring FrequencyDescription The signal frequency and the amount of offset from the standard rate canbe meas

Strany 173 - Running Self Test

73Making MeasurementsMeasuring Optical PowerMeasuring Optical PowerDescription Optical power measurement can be performed on the SONET signalconnected

Strany 174 - SELF TEST

74Making MeasurementsMeasuring Round Trip DelayMeasuring Round Trip Delay Description: The time taken for voice traffic to pass through the network is

Strany 175

75Making MeasurementsMeasuring Round Trip Delay4 Choose ACTION to start the measurement.If measuring on an SONET interface, the results are available

Strany 176

76Making MeasurementsMonitoring Signaling BitsMonitoring Signaling BitsDescription The HP 37718A receiver can be used to monitor the state of signalin

Strany 177 - Patterns

77Making MeasurementsMeasuring Service Disruption TimeMeasuring Service Disruption Time Description: Protection switching ensures that data integrity

Strany 178

78Making MeasurementsMeasuring Service Disruption TimeNOTE At DS1 and DS3 Service Disruption results are only available forUnstructured payloads.Error

Strany 179 - 8 ETSI/ANSI Terminology

79Making MeasurementsMeasuring Service Disruption Time4 Press to start the measurement.5 Invoke the protection switch.6 View the results on the displ

Strany 180

Contentsix7 STS-1 SPE Background Patterns8 ETSI/ANSI Terminology ETSI/ANSI Conversion and Equivalent Terms 170

Strany 181 - ETSI/ANSI Terminology

80Making MeasurementsPerforming a SONET Tributary ScanPerforming a SONET Tributary ScanDescription Tributary Scan tests each tributary for error free

Strany 182

81Making MeasurementsPerforming a SONET Tributary Scan4 The Tributary Scan results can be viewed on thedisplay.The Scan can be started on thedisplay o

Strany 183

82Making MeasurementsPerforming an SONET Alarm ScanPerforming an SONET Alarm ScanDescription SONET Alarm Scan tests each channel for alarm free operat

Strany 184

83Making MeasurementsPerforming a DSn Alarm ScanPerforming a DSn Alarm ScanDescription DSn Alarm Scan tests each channel for the following alarms:Fram

Strany 185

84Making MeasurementsMeasuring JitterMeasuring Jitter Description: Jitter and error measurements are made simultaneously when a jitteroption is fitted.

Strany 186

85Making MeasurementsMeasuring Jitter3 If performing a Jitter Tolerance measurement, See “Measuring JitterTolerance” page 89.If performing a Jitter T

Strany 187 - Australia/New Zealand:

86Making MeasurementsMeasuring Extended JitterMeasuring Extended Jitter Description: Extended jitter measurements are made in a jitter bandwidth of 0.

Strany 188 - United States:

87Making MeasurementsMeasuring WanderMeasuring Wander Description: Accurate Wander measurements require a Wander reference derivedfrom the SONET Clock

Strany 189 - About This Edition

88Making MeasurementsMeasuring Wander4 If measuring wander at a SONET rate set up the SONET receiveinterface. See, “Setting SONET Receive Interface”

Strany 190 - In This Book

89Making MeasurementsMeasuring Jitter ToleranceMeasuring Jitter ToleranceDescription: The jitter auto tolerance feature provides jitter tolerance meas

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