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Agilent Technologies 8156A manual 6DIHW\6XPPDU

Models: 8156A

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The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies assumes no liability for the customer’s failure to comply with these requirements.

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This product is a Safety Class 1 instrument (provided with a protective earth terminal). The protective features of this product may be impaired if it is used in a manner not specified in the operation instructions.

All Light Emitting Diodes (LEDs) used in this product are Class 1 LEDs as per IEC 60825-1.

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This instrument is intended for indoor use in an installation category II, pollution degree 2 environment. It is designed to operate at a maximum relative humidity of 95% and at altitudes of up to 2000 meters. Refer to the specifications tables for the ac mains voltage requirements and ambient operating temperature range.

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Verify that the product is set to match the available line voltage, the correct fuse is installed, and all safety precautions are taken. Note the instrument’s external markings described under Safety Symbols.

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$Agilent Technologies 8156A manual 6DIHW\6XPPDU$

Contents

3URJUDPPLQJ*XLGH Warranty 6DIHW\6XPPDU\ 2127235$7,1$13/26,9$70263+5 2WKHU6DIHW\,QIRUPDWLRQ DUQLQJVDQG&DXWLRQV 6DIHW\6\PEROV $ERXW7KLV0DQXDO 6HUYLFHDQG6XSSRUW Page Configuring the Hardware Using the AttenuatorSetting Up the Hardware Setting Up the Attenuation Example, Setting the CalibrationAutomatic Sweep Configuring the Hardware Setting Up the SoftwareExample, Setting a Return Loss Setting the Gpib AddressSelecting the Shutter State at Power On Selecting the Through-Power ModeSetting the Display Brightness Selecting the Setting used at Power-OnSome Notes about Programming and Syntax Diagram Units Command Summary Common CommandsConventions STATus Commands 114 DISPlay Commands 104INPut Commands 106 OUTPut Commands 110Operating and Storage Environment 148 User Calibration Commands 123Switching on the Attenuator 149 Temperature 148 Humidity Instrument Positioning and CoolingGpib Interface 150 Definition of Terms 165 Specifications 167Other Specifications 171 Declaration of Conformity 172 Monitor Output 149 Optical Output 150Preserving Connectors 256 Polarization Dependent Loss PDL OptionalPolarization Dependant Loss Test Mueller method 192 How to clean bare fiber adapters 261 How to clean connectors 258How to clean connector adapters 259 How to clean connector interfaces 260Additional Cleaning Information 268 How to clean instruments with a recessed lens interHow to clean optical devices which are sensitive to me How to clean metal filters or attenuator gratings276 Table of Contents List of Figures Figure D-6 List of Tables List of Tables Getting Started Getting Started Attenuator Keys Using the AttenuatorUsing the Modify Keys Using the AttenuatorMaking an Attenuation Sweep Making an Automatic SweepMaking an Attenuation Sweep Manual Sweep Manual SweepParameters for an Automatic Sweep Using your Attenuator as a Variable Back Using your Attenuator as a Variable Back ReflectorReflector Using the Through-Power Mode Using the Through-Power ModeSelecting the Wavelength Calibration and Its Function Selecting the Wavelength Calibration and Its Function Using the Attenuator Using the Attenuator Setting Up the Hardware Setting Up the HardwareAttenuation Factor on the Display Setting Up the AttenuationSetting Up the Attenuation Entering the Attenuation FactorEditing the Calibration Factor Resetting the Attenuation FactorEntering a Calibration Factor Calibration Factor on the DisplayEntering the Wavelength Wavelength on the Display Resetting the WavelengthExample, Setting the Calibration Example, Setting the CalibrationHardware Configuration for Attenuation Example a Power of the source Hardware Configuration for Attenuation Example BWarmup. The multimeter needs around 20 minutes to warmup. Example, Setting the Calibration Making an Attenuation Sweep Making an Attenuation Sweep Configuring the Hardware Configuring the HardwareSetting Up an Automatic Sweep Automatic SweepAutomatic Sweep Starting the Setting Up Editing the ParametersSelecting the Automatic Sweep Application Executing the Automatic Sweep Resetting the ParametersRunning the Automatic Sweep Setting Up a Manual SweepRepeating the Sweep Restarting the SweepEditing the Stop Parameter Starting the Setting UpRunning the Manual Sweep Executing the Manual SweepExample, an Automatic Attenuation Sweep Resetting, or store their setting for later recallExample, an Automatic Attenuation Sweep Changing the Attenuation in a Manual SweepExample, an Automatic Attenuation Sweep Example, an Automatic Attenuation Sweep Using your Attenuator as a Variable Back Reflector Using your Attenuator as a Variable Back Reflector Using your Attenuator as a Variable Back Reflector Setting Up the Software Editing the SetupSetting Up the Software Editing the Value for the Reference Return Loss Executing the Back Reflector ApplicationExample, Setting a Return Loss Example, Setting a Return LossResetting, or store their setting for later recall Hardware Configuration for Variable Return LossExample, Setting a Return Loss Setting Up the System Setting Up the System Setting the Gpib Address Resetting the Gpib AddressSetting the Gpib Address Setting the Function of the Wavelength Calibration Resetting the Function of the Wavelength Calibration DataLambdcal Indicator on the Display Usercal Indicator on the Display Resetting the Wavelength Calibration Data SetIf you are using the instrument in an environment where Temperature changes, you should not use the user wavelengthSelecting the Through-Power Mode Selecting the Through-Power ModeDisplay in Through-Power Mode Resetting the Display Brightness Setting the Display BrightnessDeselecting the Through-Power Mode Resetting the Through-Power ModeLocking Out ENB/DIS Selecting the Setting used at Power-OnResetting the Power-On Setting Selecting the Setting used at Power-OnSelecting the Shutter State at Power On Selecting the Shutter State at Power OnResetting the ENB/DIS Lock Out Resetting the Shutter State at Power OnSetting the Display Resolution Resetting the Display ResolutionSetting the Display Resolution Storing and Recalling Settings Storing and Recalling Settings Recalling a User Setting Storing the SettingRecalling a Setting Resetting the InstrumentRecalling a Setting Programming the Attenuator Programming Attenuator Gpib Interface Gpib InterfaceAH1 Gpib Capabilities Mnemonic FunctionReturning the Instrument to Local Control How the Attenuator Receives and Transmits MessagesHow the Input Queue Works How the Attenuator Receives and Transmits Messages Error QueueClearing the Input Queue Output QueueSome Notes about Programming and Syntax Diagram Conventions Some Notes about Programming and Syntax Diagram ConventionsShort Form and Long Form Wsp Command and Query SyntaxString ValueRemote Commands Remote Commands Units Command SummaryUnits and Allowed Mnemonics Default Common Command SummaryCommand List Command SummaryValueMINDE DB Value 32768 32767 Common Commands Common CommandsCommon Status Information Common Status Registers SRQ, The Service RequestDefinition SyntaxExample Event Status Enable RegisterBits Mnemonics BIT Value Standard Event Status RegisterOPC RCL SAV Reset State Default Setting Parameter Reset ValueSRE Service Request Enable RegisterStatus Byte Register No T EBit 6 cannot be maskedSelf Test Results TST?DISPlayBRIGhtness? DISPlay CommandsDISPlay Commands DISPlayBRIGhtnessDISPlayENABle DISPlayENABle?Description INPutATTenuation? INPut CommandsINPut Commands INPutATTenuationINPutLCMode INPutLCMode?INPutOFFSet INPutOFFSetDISPlay INPutOFFSet?INPutWAVelength OUTPutAPMode OUTPut CommandsOUTPut Commands INPutWAVelength?OUTPutAPMode? Using any of the INPutATTenuation commands or queries, orAny of the INPutOFFSet commands or queries, switches Absolute power mode off automaticallyOUTPutPOWer OUTPutPOWer? OUTPutSTATeOUTPutSTATe? STATus Commands STATus CommandsOUTPutSTATeAPOWeron OUTPutSTATeAPOWeron?STATus Commands Status Registers STATusOPERationCONDition?STATusOPERationENABle STATusOPERationENABle?STATusOPERationEVENt? STATusOPERationNTRansition STATusOPERationNTRansition?STATusOPERationPTRansition STATusQUEStionableENABle STATusOPERationPTRansition?STATusQUEStionableCONDition? STATusQUEStionableENABle? STATusQUEStionableEVENt?STATusQUEStionableNTRansition STATusQUEStionableNTRansition? STATusQUEStionablePTRansitionSTATusQUEStionablePTRansition? SYSTem Commands SYSTem CommandsSTATusPRESet SYSTemERRor?User Calibration Commands User Calibration CommandsEntering the User Calibration Data UCALibrationSTARt Power = -PowerUCALibrationSTATe UCALibrationSTARt?UCALibrationSTATe? UCALibrationSTOPUCALibrationVALue UCALibrationVALue? 128 Programming Examples Programming Examples Example 1 Checking Communication Example 1 Checking CommunicationFunction ListingExample 2 Status Registers and Queues Example 2 Status Registers and Queues133 134 Example 3 Measuring and Including the Insertion Loss Setting Up the EquipmentExample 3 Measuring and Including the Insertion Loss RequirementsInclude the attenuator 137 138 Example 4 Running an Attenuation Sweep Example 4 Running an Attenuation Sweep140 Installation Installation Safety Considerations Safety ConsiderationsInitial Inspection AC Line Power Supply Requirements Line Power CableAC Line Power Supply Requirements Figure A-2 Rear Panel Markings Replacing the Fuse Replacing the BatteryFigure A-3 Releasing the Fuse Holder Instrument Positioning and Cooling TemperatureOperating and Storage Environment HumiditySwitching on the Attenuator Switching on the AttenuatorMonitor Output Optical Output Disabling the Optical OutputOptical Output Figure A-6 ConnectorClaims and Repackaging Claims and RepackagingGpib Logic Levels Return Shipments to Agilent TechnologiesClaims and Repackaging 154 Accessories Accessories Table B-1 Mainframe Description Model No Instrument and OptionsGpib Cables and Adapters Instrument and OptionsConnector Interfaces and Other Accessories Straight Contact ConnectorConnector Interfaces and Other Accessories Accessories Figure B-2 Angled Contact Connector Configuration Option 201, Angled Contact ConnectorTable B-3 Connector Interface Description AgilentModel No 162 Specifications Specifications Definition of Terms Definition of TermsPolarization mode dispersion RepeatabilityReturn loss Specifications SpecificationsMonitor Output typ Table C-2 Monitor Output OptionsSupplementary Performance Characteristics Operating ModesTable C-3 Multimode Options Wavelength Range Environmental GeneralAcoustic Noise Emission Geräuschemissionswerte Other SpecificationsPower Other SpecificationsDeclaration of Conformity Declaration of ConformityPerformance Tests Performance Tests Equipment Required Equipment Required176 Test Record Instrument SpecificationTest Record Test FailurePerformance Test Performance TestSpecifications Total Insertion Loss TestTyp Figure D-3 Total Insertion Loss Test Setup 1, Option Figure D-2 Total Insertion Loss Test Setup 1, Options 201Figure D-5 Total Insertion Loss Test Setup 2, Options 201 II. Linearity/Attenuation Accuracy Test Specifications Agilent 8156AMeasurement to prevent changes of state of polarization To 0.00 dBIII. Attenuation Repeatability Test IV. Return Loss Test Options 100, 101, Figure D-7 Return Loss Test Setup 1, Options 100, 101No T E Options 201 Figure D-8 Return Loss Test Setup 2, Options 100Figure D-10 Return Loss Test Setup 1, Options 201 Monitor output is terminated Figure D-11 Return Loss Test Setup 2, OptionFigure D-12 Return Loss Test Setup 2, Option V. Polarization Dependent Loss PDL Optional Polarization Dependent Loss PDL OptionalTable D-2 Equipment for the PDL test Polarization Dependant Loss Test Mueller method Figure D-13 PDL Test Setup 1 Reference MeasurementUntil these are finished Isolator must not move during and between all measurementsSet plates for Linear Horizontal polarization Polarization Dependent Loss PDL Optional Measure the Reference Power Linear vertical Linear diagonal RH circularPolarization Polarization Dependent Loss PDL Optional Head must not move until the measurements are finished Set the 8156A Attenuator DUT to 0dB using the modify keysPolarization Dependent Loss PDL Optional Table D-3 Performance Test Agilent 8156A Performance Test for the Agilent 8156A Polarization Dependent Loss PDL Optional Result Performance Test for the Agilent 8156A Option204 01dB + 0.01dB 206 207 208 Polarization Dependent Loss PDL Optional 210 211 Input 40dB 213 214 215 Polarization Dependent Loss PDL Optional 217 218 219 220 10.9dB 222 Polarization Dependent Loss PDL Optional 224 225 Input 55dB 227 228 229 Polarization Dependent Loss PDL Optional 231 232 233 234 235 236 Polarization Dependent Loss PDL Optional 238 239 01dB + 0.01dB 240 Special Notes Test FacilityPolarization Dependent Loss Test Polarization Mueller CoefficientsPolarization Dependent Loss Minimum and maximum transmissionOption Wavelength 1550nm nominal Polarization Dependent Loss PDL Optional Cleaning Information Cleaning Instructions for this Instrument Cleaning InformationSafety Precautions Why is it important to clean optical devices ?Safety Precautions What do I need for proper cleaning? Standard Cleaning EquipmentWhat do I need for proper cleaning? Dust and shutter caps Isopropyl alcoholCotton swabs Pipe cleaner Soft tissuesCompressed air Additional Cleaning EquipmentMicroscope with a magnification range about 50X up to Ultrasonic bathWarm water and liquid soap Premoistened cleaning wipes Polymer filmInfrared Sensor Card Dust Caps and Shutter Caps Preserving ConnectorsPreserving Connectors Making ConnectionsLight dirt Cleaning Instrument HousingsWhich Cleaning Procedure should I use ? Cleaning Instrument HousingsHow to clean connectors How to clean connectorsPreferred Procedure Procedure for Stubborn DirtHow to clean connector adapters An Alternative ProcedureHow to clean connector adapters How to clean connector interfaces How to clean connector interfacesHow to clean bare fiber adapters How to clean bare fiber adaptersHow to clean lenses How to clean lensesHow to clean instruments with a fixed connector interface How to clean instruments with a fixed connector interfaceSystem How to clean instruments with an optical glass plate How to clean instruments with a physical contact interfaceHow to clean instruments with an optical glass plate Lens interface How to clean instruments with a recessedHow to clean instruments with a recessed lens interface Agilent Technologies 81633A and 81634A Power Sensors do notPreferred Procedure Alternative Procedure How to clean metal filters or attenuator gratings Additional Cleaning InformationHow to clean metal filters or attenuator gratings How to clean bare fiber ends How to clean large area lenses and mirrorsAdditional Cleaning Information Remains Alternative Procedure aDamage your device It, because they can scratch and damage your deviceOther Cleaning Hints Other Cleaning HintsAlternative Procedure B Lens cleaning papersImmersion oil and other index matching compounds Cleaning the housing and the mainframeError messages Error Messages Bits Mnemonics Value Display MessagesDisplay Messages HexadecimalGpib Messages Parameter not allowed Command header errorHeader separator error Numeric data errorExponent too large Suffix errorCharacter data error Invalid character in numberCharacter data too long String data errorBlock data error Invalid character dataParameter error Execution ErrorsExecution error Settings lost due to rtlSystem error Hardware errorDevice-Specific Errors Device-specific errorSave/recall memory lost Configuration memory lostQuery Errors Query error201 Instrument Specific ErrorsQuery Deadlocked Query Unterminated after indefinite response284 Index SymbolsHP-IB Lockout Resolut Thrupowr