Tektronix CSA 907A User manual

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User Manual
CSA 907A
BitError Rate Test Set
First Pnnting: December 1992
Revised Pnnting:January 1993
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Instrument Serial Numbers
EachinstrumentmanufacturedbyTektronix has a serial number on a panelinserior tag, or stamped on the
chassis. Thefirst letter inthe serial number designatesthe country of manufacture. The lastfive digits of the
serial numberare assignedsequentiallyandare uniqueto each instrument. Those manufacturedinthe
United Stateshave six uniquedigits. The country of manufactureis identifiedas follows:
BO1O000 Tektronix, Inc., Beaverion, Oregon, USA
E200000 TeMronix UnitedKingdom, Ltd.. London
J300000 Sonyflektronix, Japan
H700000 Tektronix Holland,
NV, Heerenveen,The Netherlands
InstrumentsmanufacturedforTektronix by externalvendors outsidethe UnitedStates are assigneda two digit
alpha codeto identiiythecountryof manufacture (e.g., JP for Japan, HKfor HongKong, ILfor Israel, etc.).
Tektronix. Inc., !?O. Box500, Beaverton,OR 97077
PrintedinU.S.A.
Copyright
O Tektronix, Inc., 1993. All rights reserved. Tektronix productsare covered by US. and foreign
patents, issuedand pending. Thefollowingare registeredtradernarks: TEKTRONIX.TEK, TEKPROBE. and
SCOPE-MOBILE.
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L
WARRANTï
Tektronixwarrantsthatthis productwill befreefrom defectsinmateriaisandworkmanshipfor aperiodofone (1) yearhomthe
dateofshipment. If any suchproductprovesdefective duringthiswarranty period,Tektronix, at itsoption,eitherwill repairthe
defecüve productwithout chargefor paris and labor, or will providea replacementinexchangefor the defectiveproduct.
Inordertoobtainserviceunderthiswarranty,Customer mustnotiiTeMronix ofthe defecibeforetheexpirationof the warranty
periodand makesuitable arrangementsfor the performanceofservice. Customer shall beresponsiblefor packagingand
shippingthe defective productto the service center designatedbyTektronix. with shipping chargesprepaid.Tektronk shall
payforthe returnofthe productto Customer ifthe shipmentisto a location within the country inwhichthe Tektronksemice
center is located. Customer shall be responsiblefor paying al1 shipping charges, duties, taxes. and any other chargesfor
productsreturnedto any other locations.
Thiswarrantyshallnotapplytoany defect, failureor damagecausedbyimproperuseor improperorinadequatemaintenance
andcare. Tektronixshall notbeobligatedtofurnishserviceunderthiswarrantya) torepairdamageresukingfrom aitemptsby
personnelotherthanTeMronix representativesto install. repairor servicethe product: b) to repair damage resultinghom
improperuse or connectionto incompatibleequipment; or c) toservicea productthat has kenmodifiedor integratedwith
other produciswhen the effect of such modificationor integrationincreasesthe time or difficuny
of servicingthe product.
THISWARRANNISGlVEN
BY TEKTRONIX WlTH RESPECTTO THIS PRODUCT INLIEUOFANY OTHER
WARRANTES, MPRESSEDOR IMPLIED.TEKTRONIXAND ITSVENDORSDISClAIMANY IMPLIEDWARRANTIESOF
MERCHANTABILITYOR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX' RESPONSIBILINTO REPAIR OR
REPLACE DEFECTIVEPRODUCTS ISTHE SOLE AND EXCLUSIVEREMEDY PROVIDEDTOTHE CUSTOMER FOR
BREACHOFTHISWARRANTY. TEKTRONIX AND ITSVENDORSWILL NOT BE LIABLEFOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUEKTIAL DAMAGES IRRESPECTIVEOF WHETHER TEKTRONIX OR THE VENWR HAS
ADVANCE NOTICEOFTHE POSSIBILINOF SUCH DAMAGES.
L
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German Postal Information
Certificate of the Manufacturer/lmporter
We herebycertify that the CSA 907A Bit Error RateTest Set and al1factory-installed options complieswith the
RFInterferenceSuppressionrequirementsof PostalRegulationVfg. 24311991, Amended perVfg. 4611992
The GermanPostalServicewas notifiedthat the equipment is being marketed.
The GermanPostalServicehasthe rightto re-testthe series andtoverify that it complies.
TEKTRONIX
1 Bescheinigung des Herstellers/lmporteurs
Hiermitwird bescheingt,daB derldieldasCSA 907A Bit Error RateTest Set and al1 factory-installedoptions in
Übereinstimmungmit den Bestimmungender Amtsblaîi-VerfügungVfg. 24311991 funkenîst6rtist.
Der DeutschenBundespostwurde das lnverkehrbringendieses Gerates angezeightunddieBerechtigungzur
überprüfung der Serie auf Einhaltender Bestimmungeneingeràumt.
TEKTRONIX
1 NOTICEtothe userloperator:
The GermanPostalService requiresthat Systemsassembled by the operatorluserof this instnimentmust
alsocomplywith Postal Regulation,Vfg. 24311991, Par. 2, Sect. 1.
HlNWElSfür den BenutzerlBetreiber:
Dievom BetreiberzusammengestellteAnlage, innerhalbderer diesesGerat eingesetzlwird. mu8 ebenfalls
denVoraussetzungennach Par. 2, Ziff. 1der Vfg. 24311991, genugen.
NOTICEto the userloperator:
The GermanPostalServicerequiresthat this equipment,when usedinatest setup, may only be operated if
the requirernentsof PostalRegulation.Vfg. 24311991, Par. 2. Sect. 1.8.1 are compliedwith.
HlNWElSfür den BenutzerIBetreiber:
DiesesGeratdarfinMeBaufbauten nur betriebenwerden, wenn die Voraussetzungendes Par. 2,
Zi. 1.8.1
der Vfg. 24311991 eingehaltenwerden.
001-0386-00D (Updated10-16-92 by Tektronix EMC Lab
JJ) To beincludedinmanualor inthe packaging
of theinstrumentwhen certifiedtoVfg. 24311991 as describedin article2 section3and4 of Vfg. 243 for the
declarationfromthe manufacturer.
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Contents
Listof Figures ...............................................
................................................
Listof Tables
v
vii
Getting Started
CSA 907A Description .......................................
...........................
CSA 9OiA FunctlonalOverview
.......................
Operationwith a ContinuousClock
Burst ModeOperation
....................................
CSA 907A PatternGenerator Description ..................
.....................
CSA 9OiA ErrorDetector Description
.................................................. Installation
................................................... Safety
Installation
..............................................
L
Operating Basics
..................................................... Tutorial
................................... Basic Bit ErrorTesting
.....................
Advanced PatternGenerator Example
........................
Advanced ErrorDetector Example
CSA 907A PatternGenerator
.................................... Frontand Rear Panels
CSA 907A ErrorDetector
FrontandRear Panels
....................................
Reference
Error DetectorInputs ........................................
InputConnectors ........................................
InputControls ...........................................
PatternGeneratorOutputs ...................................
.....................
PatternGeneratorOutputConnectors
DataOutputs
.........................................
ClockOutputs ........................................
CSA907A ~n Error Rate Test Set User Manual
i
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PatternSynchronizationOutput .........................
PatternGenerator
ClockControls
..........................................
FrequencyControls ......................................
Amplitude and OffsetControls ............................
ClockOutputs ...........................................
Settingthe Data Pattern ......................................
PRBS Patterns ...........................................
Word Patterns ...........................................
Settingthe 128K ProgrammableWord throughtheFront
.................................... PanelControls
Settingthe ProgrammableWord
........................
....................................... The Word Menu
Settingthe ProgrammableWord
If Option3Al3T13R (128K)
....................................
is Not lnstalled
............................ Storingand RecallingWords
SONET/FDDIPatternROM
................................
....................... Front-PanelPatternRecallControl
................................ FDDl PatternDefinitions
.............................. SONET PatternDefinitions
............................. PatternGenerator Error Injection
ErrorDetection
..............................................
............................... ErrorRateDisplayControls
........................................ TheTest Menu
.................................... The Window Menu
ErrorRateBeeper
.......................................
...................................
SynchronizationMode
Autoset Mode
.........................................
.........................................
ManualMode
..................................
Sync DisabledMode
ErrorHistory
............................................
ErrorDetectorMonitor Outputs ...............................
..............................
Error Detector HardcopyOutput
..............................
Settingthe Print Parameten
.......................................
The PrintMenu
...................................
Printingthe UnitSetup
End-of-TestPrintouts
.....................................
On-DemandTest Reports .................................
On-Error Reports ........................................
End-of-WindowReports ..................................
MenuStructure ..............................................
PatternGenerator Menus .................................
ii Contents
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.......................................
The MainMenu
......................................
The RS232 Menu
The GPlB Menu
.......................................
......................
The Word Menu (Option3A/3T/3R)
.........................................
The UtilMenu
The Clock Menu
......................................
....................................
ErrorDetectorMenus
.......................................
TheMainMenu
........................................
The Test Menu
The Window Menu
....................................
......................
The Word Menu (Option 3AMTI3R)
The RS232 Menu
......................................
The GPiB Menu .......................................
.......................................
The Print Menu
.......................................
The DateMenu
The Time Menu
.......................................
.........................................
The Util Menu
Appendices
L
........................
Appendix A: OptionsandAccessories
StandardAccessories
....................................
OptionaiAccessories ....................................
Power Cord Options .....................................
Appendix 6: Specifications ...................................
Appendix C: DefaultSettings .................................
Appendix D: PerformanceVerification .........................
RecommendedTest Equiprnent ...........................
FunctionalTest ..........................................
Confirmationof Frequency Function .....................
Confirmationof SelectableDataPatterns .................
Confirmationof PatternGeneratorOutput DataLevel
Change
..........................................
Confirmationof Error InjectionRates .....................
Confirmationof SeiectableError Detector Terminations ....
Confirmationof DifferentialOperation ....................
Confirmationof Buttonsand Indicators ...................
PatternGeneratorSpecification Checks ...................
Interna1Clock Source Check ............................
ExternalClock InputCheck .............................
DataPatternCheck ....................................
DataOutputAmplitude and BaselineOketCheck ........
Clock OutputAmplitude and BaselineOffset Check .......
ExternalError InjectionCheck ..........................
CSA 907A Bii Error RateTest Set User Manual
iii
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ErrorDetectorMonitorOutputs .. .. .. . . . . . .... . . . .. . . . ... 4-35
ErrorDetectorReferenceDataInputs
.... . .. . ...... .. ....
4-36 -/
ErrorDetectorErrorlnhibit and ErrorOutput . .. ... . . . . . ... 4-37
RS-232Verification
.......................... .. ... . ... . 4-37
PrinterPortVerification
....... . ......... . .... .. ... .. ... .
4-38
Option3AI3Tl3R and SONETIFDDIPatternROM
..... . ....
4-38
Appendix
E: CSA 9O7A BlockDiagrams . . . . .... . .. . .. . . . . .....
4-41
Appendix F: Rackmount Installation . ...... . .... . . . . .......... .
4-43
Procedurewith BaleHandlesAttached . .... . . ........... . . 4-43
Installationwithout BaleHandlesAttached ... .... .........
4-44
Glossary
Glossary .................................................... 5-1
lndex
Index ....................................................... 6-1
J
Change Information
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List of Figures
...
Figure1-1 : Basic System Connections
: ......................
Figure 1-2: Error Detector Basic BehaviorWihContinuousClock
................................................. and Data
Figure 1-3: Error Detector Basic BehaviorWith Burst Clock
................................................. andData
Figure1-4: Locationof Power CordConnector and Fuse Holder
on Rear Panel (CSA 907A ErrorDetector Shown)
.............
Figure2-1 : The PatternGenerator OUTPUT Sedion ..............
.....
Figure2-2: Output Readoutson the PatternGeneratorDisplay
............. Figure2-3: The PatternGeneratorPATTERNSection
Figure2-4: The ErrorDetectorSYNC Section
....................
....... Figure2-5: The Error Detector ERROR DETECTIONSection
Figure2-6: The Error DetectorERROR HISTORY Section
.........
Figure2-7: The PatternGenerator CLOCK Section ...............
Figure2-8: Clock FrequencyReadouton the PatternGenerator
..................................................
Display
Figure2-9: The PatternGenerator ERROR INJECTSection
........
Figure3-1: The Error DetectorINPUTSection ...................
Figure3-2: The PatternGenerator OUTPUT Section ..............
Figure3-3: Baseline Ofiset andAmplitude ......................
Figure3-4: Output ReadoutsonthePatternGenerator Display .....
Figure3-5: PatternGenerator OutputConnecton ................
Figure3-6: Modelfor PatternGenerator CLOCK and DATA Driver ..
Figure3-7: The PatternGenerator CLOCK Section ...............
Figure3-8: Clock Frequency Readoutsonthe PatternGenerator
.................................................. Display
Figure3-9: The PatternGenerator OUTPUT Section
..............
Figure3-10: Clock Output Readoutsonthe PatternGenerator
.................................................. Display
Figure3-11
: PatternGenerator Output Connectors ...............
Figure3-12: The PATTERN Section
............................
Figure3-13: The Word Menu (Error Detector Shown) .............
Figure3-14: The PatternGenerator ERROR INJECTSection .......
Figure3-15: The Pattern GeneratorDisplay
.....................
Figure3-16: Locationof the Error lnjectConnector onthe Pattern
Generator Rear Panel
.....................................
Figure3-17: The ERROR DETECTIONSection ...................
Figure3-18: The BitError Rate Readoutonthe Display ...........
Figure3-19: Error DetectorTest Menu ..........................
Figure3-20: Error DetectorWindow Menu
......................
-
CSA 907A Bit Error Rate Test Set User Manual
v
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Figure 3-21: The ERROR DETECTIONSection ................... 3-2'
Figure 3-22: The Error DetectorERROR HISTORY Section ........
3-30-/
Figure 3-23: The Error DetectorMONITOR OUTPUT Section ...... 3-33
Figure 3-24: Error DetectorData Output Ports ................... 3-35
Figure 3-25: ATypical Error Detector Setup Hardcopy ............ 3-37
Figure 3-26: A TypicalError DetectorEnd-of-TestReport .......... 3-36
Figure 3-27: ATypical ErrorDetectorOn-ErrorReport ............ 3-39
Figure 3-28: A TypicalError DetectorEnd-of-WindowReport ....... 3-39
....................... Figure 3-29: FunctionKeys FI through F4 3-41
Figure 3-30: A SampleMenu (PatternGenerator Main Menu) ......
3-41
Figure 3-31: The BaudSubmenu .............................. 3-42
...................... Figure 3-32: PatternGenerator MainMenu 3-42
Figure 3-33: PatternGeneratorMenuStructureChart .............
3-44
.........................
Figure 3-34: Error DetectorMain Menu 3-45
Figure 3-35: Error DetectorMenu StructureChart ................ 3-49
.....................
Figure 4-1: 75 fl to 50 0 lmpedanceMatch
4-14
......Figure 4-2: Setupfor FunctionalTest of Standard Instrument 4-16
...........Figure 4-3: Definitionof Amplitude and BaselineOffset 4-30
Figure 44: Setupfor PatternGeneratorExternalError Injection
............................
Checkfor a StandardInstrument
4-33
..........
Figure 4-5: CSA 907A PatternGeneratorBlockDiagram 4-41
.............. Figure 4-6: CSA 907A ErrorDetectorBlockDiagram 4-4'
d
vi
Contents
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List of Tables
..........................
Table 3-1 : lnputControlAssignments
...........................
Table 3-2: lnputTermination Settings
Table 3-3: Effectof LoadTerminationon BaselineOffset
andOutputAmplitude
....................................
...............
Table 3-4: EXTCLK INTerminationDependencies
.........................
Table 3-5: SynchronizationThresholds
......................
Table 3-6: SONETIFDDIPatternLocations
Table 3-7: ElectricalCharacteristicsfor DATA. CLOCK. and
...............................
PATERNSYNC Connectors
........... Table 4-1: CSA 907A PatternGeneratorSpecifications
............... Table 4-2: CSA 907A Error DetectorSpecifications
Table 4-3: CSA 907A PatternGeneratorand
............
CSA 907A ErrorDetectorCommonSpecifications
Table 4-4: CSA 907A PatternGenerator
...................................
Factory DefaultSettings
Table 4-5: CSA 907A Error Detector
...................................
Factory DefauitSettings
......................
Table 4-6: RecommendedTest Equipment
......................
Table4-7: Connectionsfor FunctionalTest
Table 4-8: Data Levels
........................................
Table 4-9: Error DetectorTerminationThresholdLimits ...........
Table 4-10: Connectionsfor IntemalClock SourceCheck .........
Table 4-11: PatternGenerator Clock FrequencyLimits
...........
Table 4-12: Connectionsfor ExternalClock InputCheck ..........
Table 4-13: PatternGeneratorClock Frequency Limits ...........
Table 4-14: Connectionsfor DataPatternCheck .................
Table 4-1 5: Word Patternsand FrequencyValues ................
Table4-16: Connectionsfor Data Output Amplitude and Baseline
Offset Check
.............................................
Table4-17: PatternGeneratorDataAmplitude ...................
Table 4-18: PatternGenerator DataBaselineOffset ..............
Table 4-19: Connectionsfor Clock Output Amplitude and Baseline
Offset Check
.............................................
Table 4-20: PatternGeneratorClockAmplitude ..................
Table 4-21: PatternGenerator Clock BaselineOfiset .............
Table 4-22: Connectionsfor ExternalError InjectionCheck ........
Table 4-23: Error InjectionRate ................................
Table 4-24: Connectionsfor MonitorOutput Check ..............
Table 4-25: Connectionsfor ReferenceData InputCheck .........
L
CSA 907A Bii Error Raîe Test Set User Manual
vii
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Table 4-26: Connectionsfor Error lnhibitand Error Output
Check
.................................................. 4-3',2
Table 4-27: ConnectionsforOption 3N3T13RVerification
Procedure
............................................... 4-38
viii Contents
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CSA 907A Description
The Tektronix CSA 907A PatternGenerator andCSA 907A Error Detectorare
bi error rate (BER) test devicesfor systemanddeviceevaluationinthe
frequency rangeof 150kHzto700 MHz. The CS907A PatternGenerator
(transmitter) and CSA 907A Error Detector(receiver)canbeusedtogether
as abit error ratetest set, or separately with other test equipment.
CSA 907~ Functional
The CSA 907A Bi Error RateTest Set consistsof a PatternGenerator, ais0
Overview
knownas the transmitter (TX) and an ErrorDetector, alsoknownas the
receiver(Rd, each contained in aportablepackage. The basic application
of the CSA 907A is illustratedby the blockdiagram, Figure1-1, showing
how the PatternGenerator,the Device-Under-Test
(DUT), andthe Error
Detectorare connectedto performameasurement.The PatternGenerator
sendsdata and clock signalstothe DUTwhich performssometransmission
functionandsendsthe resultingdata and clock signalstothe ErrorDetector
for error measurement.
The PatternGenerator sends data on the rising
edge of the PatternGenera-
tor clock, andthe Error Detector samples incomingdata onthefallingedge
of the clock. The PatternGenerator clock canbe sourcedfrorn aresident
oscillatororfroman externalclock source.
L
CSA 907A Bii Error Rate Tesi Set User Manual
1-1
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CSA 907A Description
CSA 907A PatternGenerator CSA 907A ErrorDetector
Panem
Ganeraïor
Clock
Pattern
Generator
Data
CM
1
d
DATA
Active Clock Edge
Active
Clock Edge
Error
Detector
Cl&
8 - -,
One
Em I Date Bli
Detector
Dab
1
Figure 1-1: BasicSystem Connections
Operationwith a
The Error Detectorfirst achievessynchronizationandthen performsthe
Continuous Clock
error measurementfunction. Time toachieve synchronizationisafunction of
the patternlength,the specific pattern involved, andthe clock frequency.
See Figure
1-2.
If theerror rateexceeds a certainlevel, the ErrorDetector ceaseserror
measurementandattemptsto achieve synchronizationagain. The error rate
at whichthis occursisoperatorselectable,and iscalledthe Sync Threshold.
Measurement -
Figure 1-2: Error Detector Basic BehaviorWith Continuous Clock and Data
d
1-2
Getiing Started
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CSA907A Descrlptlon
Burst Mode
The CSA 907A clock anddata stream can bestartedandstoppedwithout
L
Operation
loss of synchronizationor error measurementfunction. Burst Modeopera-
tion requiresuseof an externalclock sourcetothe PatternGenerator
CLOCK
E(T inputwhich is startedandstoppedwith full clock cycles.The
PatternGeneratorwillusethat clock and produce dataand clock outputsfor
deliveryto the
DUT. The ErrorDetectorwill accept data and clock inputsthat
start andstopwithfull clock cyclesandfor which the datato clock relation-
ship isconsistent.See Figure1-3.
Undeiined
Time
Figure1-3: ErrorDetectorBasicBehavior Wi Burst ClockandData
L CSA 907A Pattern
The CSA 907A Pattern Generator (Tx) isa 700 MHz pseudorandomand
Generator
programmableword patterngenerator, designedfor systemand device
evaluationinthefrequency rangeof 150kHzto700 MHz. The integrated
Description
cryçtal lockedclock source. 16-bi (128K with Option3413T13R Extended
Memory
) programmableword, 5PRBS patterns (2" -1, n=7, 15, 17,20,
and
23) andcomplementary,programmableoutput DataandClock amplifi-
ers, enableawide rangeof teststo beperformedon high-speedcompo-
nents andsystems.
Inadditionto itsfront-panelcontrols. the CSA 907A PatternGenerator
supportsbothRS-232Cand GPIB interfacesfor remotecontrol, allowingtest
repeatability andoutput of unitstatus andmemorycontents.The battery
backed-upnonvolatileRAM providesstorage of 10word patterns (8
if Option
3N3T13R is installed), 10clockfrequencies, and unitsetup for futurerecall.
Front paneloutputs provideClockl4and PatternSync signalsfor eye-dia-
gram andwaveform analysison an oscilloscope.
Rear-panelinputsfor External Error injectandDatalnhibitallow user-defined
variationsto the generateddatastreams.
The CSA 907A PatternGenerator is providedwith anadjustable carrying
handlefor easy benchtopangleadjustment. The suppliedfront-panelcover
protectsthe unitduringtransit.
CSA 907A BR Error Rate Test Set User Manual
1-3
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CSA 907A Descri~tion
CSA 907A Error
The CSA 907A Error Detectoris abit error rate receiver anddetector, suit-
ablefor system and device evaluation inthe frequency range of 150kHzto
-
Detector
7Oû MHz. The five pseudorandompatternsand 1&bit programmableword
(128K with Option3AJ3TI3R ExtendedMemory),provideavariety of built-in
data patternsfor BER evaluation.
The CSA 907A ErrorDetectorautoset featureallows effortlesssystem setup
and operation. Automatically setting the proper Input DataIClockphase
relationship,thresholdlevel, data patternand polarity,theautosetfeature
allowsthe userto immediately performa wide rangeof tests on systems
and components,eliminatingthe time andfrustrationassociatedwith adjust-
inga multipleof input parameters.
The ErrorDetector providesthree error rate displaymodes:Totalize, Win-
dow. andTest. All three modes are calculatedsimultaneously,with onlyone
can bedisplayedat atime.
InTotalize BER mode,the Error Detector averageserrors over thetime of
test. InWindow BER mode,the Error Detectorcalculateserrors over a
programmableslidingwindow. InTest mode,theError Detectorcalculates
errors over aprogrammablelengthof time.
Inadditionto itsfront-panelcontrols, the CSA 907A Error Detectorsupports
both RS-232Cand GPlB interfacesfor remotecontrol, allowingtest repeat-
ability and output of unitstatusand memory contents. The batterybacked-
up nonvolatileRAM providesstorage of 10word patterns
(8 if Option
3A/3T/3R is instalied), error measurementsand unit setupfor future recall.
Front-paneloutput monitorsof receivedDataand Clock provideconvenient
d
accesstothe receiveddata signal. PatternSync providesatrigger for wave-
formanalysis onan oscilloscope.
Rear-paneloutputof
RZ Errorsand Error lnhibit inputallow custom BER and
supportasynchronousBurst error measurements.
The ErrorDetector is is provided
with an adjustable carryinghandlefor easy
benchtopangleadjustment. The suppliedfront-panel cover protectsthe unit
duringtransit.
d
1-4
GatingStatîed
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Installation
Beforeinstallingor usingthe CSA907A PatternGenerator or CSA907A
Error Detector, readthe safety informationat thebeginningof this rnanual.
safety
This safety informationapplies toal1operatorsandservicepersonnel.
Terms in Manuals
CAUTION staternentsidentifyconditionsor practicesthat could result in
darnagetothe equiprnentor other property.
WARNlNG statements idenficonditionsor practicesthat could result in
personalinjuryor lossof life.
Terms on Equipment
CAUTION indicatesapersonalinjuryhazard not immediatelyaccessibleas
one readsthe marking,or ahazardto property includingthe equipment
itself.
DANGER indicatesapersonalinjuryhazard irnmediately accessibleas one
readsthe marking.
Symbols in Manuals
Static SensitiveDevices
Symbols on Equipment
DANGER Protective ATTENTiON
High Voitage ground (earth) Refer to
terminal manual
Power Source
This productis intendedto operatefrorn a power sourcethat will not apply
morethan
250 VR~s betweenthesupplyconductorsor between either
supply conductor andground.
CSA 907A Bii Error Rate Test Set User Manual
1-5
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