Anritsu MP8931A Operation Manual
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Anritsu MP8931A Operation Manual

Bit error rate tester
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MP8931A
Bit Error Rate Tester
Operation Manual
14th Edition
For safety and warning information, please read this
manual before attempting to use the equipment.
Keep this manual with the equipment.
ANRITSU CORPORATION
Document No.: M-W2249AE-14.0

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Summary of Contents for Anritsu MP8931A

  • Page 1 MP8931A Bit Error Rate Tester Operation Manual 14th Edition For safety and warning information, please read this manual before attempting to use the equipment. Keep this manual with the equipment. ANRITSU CORPORATION Document No.: M-W2249AE-14.0...
  • Page 2 Ensure that you clearly understand the meanings of the symbols BEFORE using the equipment. Some or all of the following symbols may be used on all Anritsu equipment. In addition, there may be other labels attached to products that are not shown in the diagrams in this manual.
  • Page 3 For Safety WARNING • ALWAYS refer to the operation manual when working near locations at which the alert mark shown on the left is attached. If the advice in the operation manual is not followed there is a risk of personal injury or reduced equipment performance.
  • Page 4 Calibration • The performance-guarantee seal verifies the integrity of the equipment. To ensure the continued integrity of the equipment, only Anritsu service personnel, or service personnel of an Anritsu sales representative, should break this seal to repair or calibrate the equipment.
  • Page 5 For Safety CAUTION Fuse Replacement • Always remove the mains power cable from the power outlet before replacing blown fuses. There is a risk of electric shock if fuses are replaced with the power cable connected. Replace the fuses with the same type.
  • Page 6 Software: Software reported as faulty within a period of 6 months from the date of delivery will be corrected or replaced by Anritsu Corporation at no cost to the user. Following correction or replacement the software will remain under warranty for either the remainder of 6 months from the date of initial delivery, or for a period of 30 days, whichever is shorter.
  • Page 7 In addition, this warranty is valid only for the original equipment purchaser. It is not transferable if the equipment is resold. Anritsu Corporation shall assume no liability for injury or financial loss of the customer due to the use of or a failure to be able to use this equipment.
  • Page 8 Notes On Export Management This product and its manuals may require an Export License/Approval by the Government of the product's country of origin for re-export from your country. Before re-exporting the product or manuals, please contact us to confirm whether they are export-controlled items or not. When you dispose of export-controlled items, the products/manuals need to be broken/shredded so as not to be unlawfully used for military purpose.
  • Page 9 2002/96/EC (the “WEEE Directive”) in European Union. For Products placed on the EU market after August 13, 2005, please contact your local Anritsu representative at the end of the product's useful life to arrange disposal in accordance with your initial contract and the local law.
  • Page 10 CE Conformity Marking Anritsu affixes the CE conformity marking on the following product(s) in accordance with the Council Directive 93/68/EEC to indicate that they conform to the EMC and LVD directive of the European Union (EU). CE marking 1. Product Model...
  • Page 11 : No limits apply for this equipment with an active input power under 75 W. • LVD: EN 61010-1: 2010 (Pollution Degree 2) 4. Authorized representative Name: Murray Coleman Head of Customer Service EMEA ANRITSU EMEA Ltd. Address, city: 200 Capability Green, Luton Bedfordshire, LU1 3LU Country: United Kingdom...
  • Page 12 C-Tick Conformity Marking Anritsu affixes the C-Tick mark on the following product(s) in accordance with the regulation to indicate that they conform to the EMC framework of Australia/New Zealand. C-Tick mark 1. Product Model Model: MP8931A Bit Error Rate Tester 2.
  • Page 13 Power Line Fuse Protection For safety, Anritsu products have either one or two fuses in the AC power lines as requested by the customer when ordering. Single fuse: A fuse is inserted in one of the AC power lines. Double fuse: A fuse is inserted in each of the AC power lines.
  • Page 15 About This Manual This operation manual explains the operation and maintenance of the MP8931A Bit Error Rate Tester. Overview of basic functions and oper- ations of the MP8931A are described in Section 1 “Outline.” Further details are given in subsequent sections in order easy to search.
  • Page 16 Table of Contents For Safety ............ About This Manual........Section 1 Outline ........About MP8931A Bit Error Rate Tester ......Features ................ Function ................ Product Composition ............. Section 2 Before Use ......... Installing ................ Power Connection ............Part Names ..............

  • Page 17: Table Of Contents

    Section 5 Remote Control ......Outline ................GPIB Interface .............. RS-232C Interface ............Device Messages ............5-12 Device Message Details ..........5-30 Section 6 Performance Test ..... Overview ............... Devices Required for Performance Test ....... Preparation Before Starting Performance Test..... Performance Test ............
  • Page 19 This section describes the functional outline and features of the MP8931A Bit Error Rate Tester. For performance and function specifications, refer to Appendix A. About MP8931A Bit Error Rate Tester ......1-2 Features ................ 1-2 Function ................ 1-2 Product Composition ............ 1-4 1.4.1 Standard composition ........

  • Page 20: Remote Control

    1.2 Features (1) Standard I/O interface for digital broadcasting The MP8931A is equipped with the following I/O interfaces for digi- tal broadcasting as standard: DVB-SPI (Digital Video Broadcast - Synchronous Parallel Interface) DVB-ASI (Digital Video Broadcast - Asynchronous Serial Interface) (2) Transmitting/Receiving packets Up to 6 types of packets can be selected.
  • Page 21 Function • Screen control: Brightness control and auto off setting of display are possible. • Remote control: Control including setting measurement parameters, starting measurement and obtaining measured results can be performed via GPIB and RS-232C interfaces. • Auto data save: Parameters and measurement conditions before power off are au- tomatically saved in the internal memory to enable measurement under the same conditions after next power on.

  • Page 22: Product Composition

    This section describes the device composition with the MP8931A stand- ard accessories. 1.4.1 Standard composition Standard composition of the MP8931A is shown in the table below. First, after opening the box, check that all items are included using the packing list.
  • Page 23 Section 2 Before Use This section describes points that should be known before use. Installing ................ 2-2 2.1.1 Carrying unit ............. 2-2 2.1.2 Installing unit ............. 2-2 2.1.3 Stacking units ........... 2-4 2.1.4 Mounting units in rack ........2-4 Power Connection ............2-5 2.2.1 Power Requirements ........

  • Page 24: Installing

    Section 2 Before Use 2.1 Installing Install MP8931A after you have taken it from a package box and have checked the packed items. This section describes how to install it and precautions before use. 2.1.1 Carrying unit When carrying the MP8931A, hold both the right and left grips to keep the unit level.
  • Page 25 Installing Good Figure 2.1.2-1 Installation Orientation CAUTION If the MP8931A is not installed in a Good direction as above, a small shock may turn it over and harm the user.

  • Page 26: Stacking Units

    Section 2 Before Use CAUTION Avoid use or storage in locations, such as the following, since it may cause failure.  In direct sunlight for extended periods  Outdoors  In excessively dusty locations  In liquids, such as water, oil, organic solvents, and medical fluids, or places where these liquids may adhere ...

  • Page 27: Power Connection

    Power Connection 2.2 Power Connection This section describes the procedures for supplying power. 2.2.1 Power Requirements For normal operation of the instrument, observe the power voltage range described below. Power source Voltage range Frequency 100 Vac system 100 to 120 V 50 to 60 Hz 200 Vac system 200 to 240 V...
  • Page 28 Section 2 Before Use WARNING Always connect the instrument to a properly grounded outlet. Do not use the instrument with an extension cord or transformer that does not have a ground wire. If the instrument is connected to an ungrounded outlet, there is a risk of receiving a fatal electric shock.

  • Page 29: Part Names

    Part Names 2.3 Part Names Name and function of each part are described below. 2.3.1 Front panel...
  • Page 30 Section 2 Before Use Table 2.3.1-1 Front panel components Label Name Description Power switch Turns ON/OFF the power. ON when pressed. GPIB/RS-232C Local key Releases remote status and sets local status. Up key Scrolls menu or used to inputting numeric values. ...
  • Page 31 Displays measurement items, setting items and measured results. (Number of display characters: 20  2) [24] Remote lamp Comes on when the MP8931A is in remote control status. Table 2.3.1-2 Signal Loss LED operating conditions Setting Interface Signal Loss turns on:...

  • Page 32: Rear Panel

    Section 2 Before Use 2.3.2 Rear panel 2-10...
  • Page 33 GPIB connector Connector for GPIB. AC inlet Inlet for power cord connection. Functional earth This is the terminal that is electrically connected to terminal the chassis of the equipment. Cooling fan Name plate Indicates serial number of the MP8931A. 2-11...

  • Page 34: Peripheral Equipment Connection

    Doing so may damage the inside of the MP8931A. 2.4.1 RS-232C cable connection The MP8931A can be controlled from remote via RS-232C (D-sub 9 pins). Refer to Section 5 “Remote Control” for details. 2.4.2 GPIB cable connection The MP8931A can be controlled from remote via GPIB.

  • Page 35: Connection For Measurement

    Shapes of all BNC and D-sub 25-pin (DVB-SPI) connectors are the same. Therefore, be sure to check input/output connectors when connecting. Not doing so may damage the inside of the MP8931A. Refer to Appendix A “Specifications” for DVB-SPI connector pin assignment.
  • Page 36 Section 2 Before Use 2-14.
  • Page 37 Section 3 Screen Display This section describes screen display at power on and measurement screen display. [ ] and indicates panel keys. Status at Turning Power On ......... 3-2 Turning Power On ............3-3 Display during Startup ..........3-4 Measurement Screen ........... 3-5 3.4.1 Interface display section ........

  • Page 38: Status At Turning Power On

    Section 3 Screen Display 3.1 Status at Turning Power On Before turning the MP8931A on, first confirm that protective grounding has been performed as a safety measure. Then insert the attached power cord to the AC inlet. WARNING Turning power on without protective grounding may cause an accident due to electric shock.

  • Page 39: Turning Power On

    Turning Power On 3.2 Turning Power On The power switch of the MP8931A is located at the position shown in the figure below and indicated by symbols “|” (power On) and “  ” (power Off.)

  • Page 40: Display During Startup

    When turning the MP8931A on, the startup screen shown below appears and the self-test is executed. If an error screen appears, the MP8931A may be faulty. Contact Anritsu Corporation or one of our dealers. Self-test error display and description are shown in Table 3.3-1.

  • Page 41: Measurement Screen

    Measurement Screen 3.4 Measurement Screen When the MP8931A starts up normally, the measurement screen shown below appears. It consists of three blocks. Interface Display Clock display Interface Display Clock display Measured results display Measured results display Elapsed measurement time display Remaining measurement time display 3.4.1 Interface display section...

  • Page 42: Remaining Measurement Time Display Section

    Section 3 Screen Display The example below shows that 1 hour 25 minutes 34 seconds have elapsed from the start of measurement. 3.4.5 Remaining measurement time display section Displays the time remaining from the start of measurement. When Re- peat is set to On, the remaining time for each interval (time period for each repetition) is displayed.

  • Page 43: Main Menu Screen

    Pressing the [Menu] button opens the main menu screen. Pressing it again closes the main menu screen (measurement screen display). When the MP8931A is turned off, the setting conditions at that point are stored into the internal memory to be read out at the next power On.

  • Page 44: Menu Configuration

    Section 3 Screen Display 3.5.1 Menu configuration Menu configuration is shown in the figure below. Menu with setting items under its submenu is indicated by “ * ”. Main menu Pattern setting (Pattern) Interface setting (Interface) Error addition setting (Error) Auto Sync setting (Auto Sync) Output On/Off setting (Output) Monitoring On/Off setting (Monitor)
  • Page 45 Main Menu Screen Continued from the previous page. NRZ output menu (NRZ Output*) Frequency setting (FREQ) Level setting (Level) Data polarity setting (Data) Clock polarity setting (Clock) NRZ input menu (NRZ Input*) Level setting (Level) Data polarity setting (Data) Clock polarity setting (Clock) Enable polarity setting (Enable) Termination resistor setting (Termination) Termination voltage setting for Variable (Variable Vtt)
  • Page 46 Section 3 Screen Display 3-10.
  • Page 47 Section 4 Operation This section describes item functions and their operation procedures. [ ] and indicate panel keys. Basic System Settings ..........4-2 4.1.1 Initialization (Initialize) ........4-3 4.1.2 GPIB address setting (GPIB Address) ..... 4-3 4.1.3 RS-232C baud rate setting (RS-232C Baud) ..........

  • Page 48: Basic System Settings

    Section 4 Operation 4.1 Basic System Settings Set the MP8931A system parameters and check version information. Select “System*” on the main menu screen to perform settings. <Procedure> Press [Menu] and select “System*” by using the ∧ ∨ keys. Press [Enter] or to display the System* setting screen (shown >...

  • Page 49: Initialization (Initialize)

    Basic System Settings 4.1.1 Initialization (Initialize) Initializes parameters. Select “Initialize” on the system menu screen to execute it. Refer to Appendix B “Initial Value List” on items to be initialized. Initialize? Push Enter Key Press [Enter] Initializing Initialization completed Completed To system menu display <Procedure>...

  • Page 50: Rs-232C Baud Rate Setting (Rs-232C Baud)

    Section 4 Operation 4.1.3 RS-232C baud rate setting (RS-232C Baud) Set baud rate for RS-232C. Select “RS-232C Baud” on the system menu screen to perform setting. 115200bps RS-232C Baud Rate 57600bps 9600bps 38400bps 19200bps 9600bps 4800bps 2400bps 1200bps <Procedure> Select “RS-232C Baud” by using the keys on the ∧...

  • Page 51: Display Auto-Off Control Setting (Display Off)

    Select “Display Off” on the system menu screen to perform setting. Note that pressing any panel key at screen display Off turns screen dis- play On, and the MP8931A operates according to the set parameters. Screen display Off status is not affected by remote control (except the screen display setting command.)

  • Page 52: Version Information (Version)

    Section 4 Operation 4.1.7 Version information (Version) Use this item to check the versions of: MP8931A (Unit), boot program (Boot), application program (Application) and FPGA (FPGA). Select “Version” on the system menu screen for confirmation. Unit xx.xx Unit xx.xx Boot xx.xx...

  • Page 53: Setting Parameters

    Setting Parameters 4.2 Setting Parameters Set measurement parameters. Select the parameter item to be set on the main menu screen. The set- ting procedures are shown below. <Procedure> Press [Menu] and select the parameter item to be set (ex. “Pattern”) by using the keys.

  • Page 54: Interface Setting (Interface)

    Section 4 Operation [2] PN 15: 2 –1, 1+X Output Note: Broken line indicates PN 15 Reverse (reverse direction.) [3] PN 23: 2 –1, 1+X 19 20 Output Note: Broken line indicates PN 23 Reverse (reverse direction.) 4.2.2 Interface setting (Interface) Set measuring interface.

  • Page 55: Error Addition Setting (Error)

    Setting Parameters 4.2.3 Error addition setting (Error) Set the error addition on or off and the adding method. When error ad- dition period is set to manual, one error bit is added each time [Error ADD] is pressed. Once [Error ADD] is pressed, an error is added; how- ever, no additional errors are added until the key is released.

  • Page 56: Auto Sync Setting (Auto Sync)

    Select “Auto Sync” on the main menu screen to perform setting. Sync loss occurs when the MP8931A detects 6 error bits out of 64 bits. If the measurement object is a signal of the lower error rate than that of...

  • Page 57: Monitoring On/Off Setting (Monitor)

    This function is enabled when DVB-SPI or DVB-ASI interface is selected. Set this function in case of connecting the MP8931A to other device. Monitoring terminal is set to high-impedance state when this function is set to Disable.

  • Page 58: External Clock Setting

    Section 4 Operation 4.2.7 External clock setting Enable/disable measurement using an external clock, and set parameters when it is used. This function is enabled when NRZ or DVB-SPI inter- face is selected. Note that the external clock is used as a byte clock when DVB-SPI inter- face is selected.
  • Page 59 Setting Parameters (2) Input level setting Set input level. Select “Level” on the external clock input menu screen to perform setting. EXT CLK Level <Procedure> Select “Level” by using the keys on the EXT ∧ ∨ Clock* setting screen. Press [Enter] or to display the Level setting items.

  • Page 60: Measurement Menu Setting

    Section 4 Operation 4.2.8 Measurement menu setting Set whether to perform measurement for the specified time, the specified number of bits, or none (start/stop manually). Then perform the set- tings of time, the number of bits (count), measurement repetition and measured results display.
  • Page 61 Setting Parameters (2) Measurement repetition setting This setting is valid when the measurement method is set to “Time” or “Count.” Specify whether to repeat measurement for the speci- fied time (when “Time” is selected) or the specified number of bits (when “Count”...
  • Page 62 Section 4 Operation The following shows how measured results are displayed according to the Repeat parameter setting. [When Repeat is set to On] (Interval 1) (Interval 2) (Interval 3) (Time) Start of Time point 1 Time point 2 Time point 3 measurement •...
  • Page 63 Setting Parameters (4) Measurement time setting Set measurement time. It can be set from 1 second to 999 hours 59 minutes 59 seconds in 1-second steps on “Time” setting. Select “Time” measurement method on the measurement menu screen to perform setting and measurement. Measure Time 000h 00m 01s Note:...
  • Page 64 Meas- urement stops when the set number of bits is exceeded. MP8931A has limitations on the number of bits to be measured (valid number of bits) corresponding to frequency. Refer to the fol- lowing descriptions when perform the setting.

  • Page 65: Burst Function Setting

    Setting Parameters 4.2.9 Burst function setting Enable/disable the Burst function. The Burst function should be enabled when using inputs other than consecutive inputs within a frequency range from 1 kHz to 155 MHz. Note that the signal loss detection time is 600 ms maximum when the Burst function is enabled.

  • Page 66: Output Function Of Nrz Interface Setting

    Section 4 Operation 4.2.10 Output function of NRZ interface setting Set output parameters when using NRZ interface. Select “NRZ Output*” on the main menu screen to perform setting. FREQ 155,000,000 FREQ 10,000,000 Level Level Data Positive Clock Rise <Procedure> Select setting item by using the keys on the NRZ ∧...
  • Page 67 Setting Parameters (2) Level setting Set level. Select “Level” on the NRZ output menu screen to perform setting. NRZ Output Level <Procedure> Select “Level” by using the keys on the NRZ ∧ ∨ Output* setting screen. Press [Enter] or to display the Level setting items. >...
  • Page 68 Section 4 Operation (4) Clock polarity setting Set clock polarity. Refer to Appendix A “Specifications” on phase relationships. Select “Clock” on the NRZ output menu screen to perform setting. NRZ Output Clock Rise Rise Fall <Procedure> Select “Clock” by using the keys on the NRZ ∧...

  • Page 69: Input Function Of Nrz Interface Setting

    Setting Parameters 4.2.11 Input function of NRZ interface setting Set input parameters when using NRZ interface. Select “NRZ Input*” on the main menu screen to perform setting. Level Level Data Positive Data Positive Clock Rise Enable Termination 75Ω Variable Vtt 0.0V Variable Vth +1.4V...
  • Page 70 Section 4 Operation (2) Data polarity setting Set data polarity. Select “Data” on the NRZ input menu screen to perform setting. NRZ Input Data Positive Positive Negative <Procedure> Select “Data” by using the keys on the NRZ ∧ ∨ Input* setting screen. Press [Enter] or to display the Data setting items.
  • Page 71 Setting Parameters (4) Enable function setting Set enable polarity or enables/disables its use. When this function is set to Positive, clock and data are enabled if level is High. When set to Negative, they are enabled if level is Low. They are enabled regardless of the set level if this function is set to Off.
  • Page 72 Section 4 Operation (6) Setting termination voltage for Variable Set the termination voltage value. Select “Variable Vtt” on the NRZ input menu screen to perform set- ting. NRZ Variable Vtt +3.3V 0.0V 0.0V -2.5V <Procedure> Select “Variable Vtt” by using the keys on the ∧...

  • Page 73: Function Of Dvb-Spi Interface Setting

    Setting Parameters 4.2.12 Function of DVB-SPI interface setting Set parameters for DVB-SPI interface. When using this interface, DVALID signal output level is fixed to High. Select “DVB-SPI*” on the main menu screen to perform setting. FREQ 13,500,000 FREQ 13,500,000 (1)+187+(16) (1)+187+(16) <Procedure>...
  • Page 74 (2) Packet setting Set packet type used for input/output. Packets (measurement tar- get part) available for the MP8931A are shown in the figure below. Note that data (PID, 16 valid extra bytes etc.) except the measure- ment target part is fixed to High level for output, and not compared for input.
  • Page 75 Setting Parameters Select “PKT” on the DVB-SPI menu screen to perform setting. 204:(1)+187+(16) DVB-SPI Packet 204:(1)+187+(16) 188:(1)+187 204:(1+3)+184+(16) 188:(1+3)+184 204:(1)+203 204:(1+3)+200 <Procedure> Select “PKT” by using the keys on the ∧ ∨ DVB-SPI* setting screen. Press [Enter] or to display the Packet setting items. >...

  • Page 76: Function Of Dvb-Asi Interface Setting

    Section 4 Operation 4.2.13 Function of DVB-ASI interface setting Set parameters for DVB-ASI interface. Frame detection (synchronization establishment) condition at DVB-ASI interface is that synchronization is established when SYNC (47h) is de- tected 3 times continuously, and sync loss detection is not performed af- ter synchronization is established.
  • Page 77 Setting Parameters (2) Data rate setting The MP8931A supports variable data rate by inserting Stuffing Data between packets of data rate 27 Mbits/s before 8b/10b conversion at output. Refer to the figure below: • Relationship between transmission packet and Stuffing Data Packet (188 or 204×10 bits)
  • Page 78 Section 4 Operation Table 4.2.13-1 Approximate relationship between data rate and number of Stuffing Data Number of Stuffing Data Data rate (MHz) For 204 bytes For 188 bytes 5304 5200 2550 2500 1632 1600 1173 1150 4-32...
  • Page 79 Setting Parameters Select “Data Rate” on the DVB-ASI menu screen to perform setting. 27MHz DVB-ASI Data Rate 1MHz 1MHz <Procedure> Select “Data Rate” by using the keys on the ∧ ∨ DVB-ASI* setting screen. Press [Enter] or to display the Data Rate setting items. >...
  • Page 80 Section 4 Operation 4-34.
  • Page 81 Device Message ............5-12 5.4.1 Outline ............5-12 5.4.2 Supported IEEE488.2 common commands ... 5-12 5.4.3 Status messages ..........5-18 5.4.4 MP8931A device message list ....... 5-23 Device Message Details ..........5-30 5.5.1 Measurement-related messages ....5-30 5.5.2 Measurement parameter-related messages .. 5-35 5.5.3 External clock parameter-related messages ..

  • Page 82: Outline

    The MP8931A supports remote control to perform measurement auto- matically by using an external controller. For this purpose, the MP8931A is equipped with GPIB interface (IEEE std 488.2-1987) and RS-232C interface as standard. The MP8931A has the following interface functions: ...

  • Page 83: Gpib Interface

    GPIB Interface 5.2 GPIB Interface 5.2.1 GPIB interface function The MP8931A has only device functions and does not have controller functions. Interface functions are shown in the table below. Table 5.2.1-1 GPIB interface function Code Interface function IEEE488.2 standard All source handshake func-...
  • Page 84 Section 5 Remote Control Pin assignment of the GPIB connector is shown in the figure below: Fig. 5.2.1-1 Pin assignment of GPIB connector Name DIO1 DATA INPUT OUTPUT1 DIO2 DATA INPUT OUTPUT2 DIO3 DATA INPUT OUTPUT3 DIO4 DATA INPUT OUTPUT4 END OF IDENTITY DATA VALID NRFD...

  • Page 85: Bus Commands

    GPIB Interface 5.2.2 Bus commands Bus command refers to internal communication of interface transmitted when the bus mode is set to command mode (ATN line is “L”). Bus commands are listed in the table below. Table 5.2.2-1 Bus command contents Bus command Operation IFC (Interface Clear)

  • Page 86: Initializing Device

    IEEE488.2 standards define system initialization in 3 levels including bus initialization, message initialization and device initialization. The MP8931A is in the following status after power-on:  Status at the last power OFF is set.  Input buffer and output queue are cleared.

  • Page 87: Rs-232C Interface

    Set RS-232C parameters (baud rate, parity). Refer to Sections 4.1.3 “Setting RS-232C baud rate” and 4.1.4 “Setting RS-232C parity bit” for details. Before using RS-232C as remote control interface, set the MP8931A to local status. Table 5.3.2-1 Settings when using RS-232C interface...

  • Page 88: Initializing Device

    The use of the Anritsu application parts "J1256A" is recommended. 5.3.3 Initializing device The MP8931A supports the *RST command (refer to GPIB section 5.2.5) for device initialization when using RS-232C interface. Device status after power-on is the same as that for GPIB interface.

  • Page 89: Transmission Procedures

    Normal, pro- cessing com- pleted  Response+CR+LF (3) Abnormal message When the MP8931A received a message that is not supported or it is not ready to execution, “ANS xxxx” is returned as a response. xxxx indicates error code. Controller MP8931A Message+CR+LF ...
  • Page 90 Section 5 Remote Control (4) Abnormal reply or response When the Controller detects error for reply or response that the MP8931A has transmitted, Controller retries transmission. Controller MP8931A Message +CR+LF  Normal, pro-  ????? cessing com- pleted Response is not received normal- Message +CR+LF ...

  • Page 91: Error Codes

    RS-232C Interface (6) Xon/Xoff reception When the MP8931A receives Xoff, transmission is suspended half- way and resumed when it receives Xon. Controller MP8931A Command+CR+LF  Normal, pro-  ‘A’ cessing com- pleted  ‘N’ Xoff  Xoff reception: transmission stopped Xon ...

  • Page 92: Device Messages

    MP8931A). Program messages consist of program commands for setting MP8931A parameters or specifying processing, and program queries for querying parameters or measured results. 5.4.2 Supported IEEE488.2 common commands IEEE488.2 common commands supported by the MP8931A are shown in the table below. Table 5.4.2-1 IEEE488.2 common command list Mnemonic Full spelling IEEE488.2 standards...
  • Page 93 Device Message *CLS (Clear Status Command)  Function Clears all status data structure (event register and queue) except output queue and its MAV summary message. Header Program command Query Response *CLS *CLS  Example use *CLS *ESE (Standard Event Status Enable Command/Query) Enables corresponding bit of standard event status enable register.
  • Page 94 Header Program command Query Response *OPC *OPC *OPC?  Value of n *OPC  Example use *OPC?  Example response message Note: There is not overlap command when using the MP8931A, so the command is executed immediately. 5-14...
  • Page 95 Device Message *RST (Reset Command)  Function Initializes the MP8931A at level 3. Header Program command Query Response *RST *RST *RST  Example use  Description (1) Initializes targeted device parameters. (2) Puts the device into OCIS (Operation Complete Command Idle State.) (3) Puts the device into OQIS (Operation Complete Query Idle State.)
  • Page 96  Value of n *STB?  Example use  Example response message *TRG (Trigger Command) Same function as IEEE488.1 GET-Group Execute Trigger bus command. Executes  Function the START command on the MP8931A. Header Program command Query Response *TRG *TRG *TRG ...
  • Page 97 *WAI (Wait to Continue Command)  Function Executes overlap command as sequential command. Header Program command Query Response *WAI *WAI *WAI  Example use Note: There is no overlap commands for the MP8931A, so the command is executed immediately. 5-17...

  • Page 98: Status Messages

    Section 5 Remote Control 5.4.3 Status messages The structure of service summary message of status byte register of the MP8931A is shown below: Service Request Generation Logical OR & Not used & & & Not used & & & Service request enable register...
  • Page 99 (3) Set when GET is detected during message reception. (1) Set when command exceeding setting range is received. (2) Set when the MP8931A is not in a status capable of mes- Execution error sage execution. (3) Set when using GPIB or RS-232C.
  • Page 100 Section 5 Remote Control (2) Extended ERR event status register Status byte register Set to ERR bit Logical OR & Not used & Not used & Not used & Not used & Not used & EEPROM write error & Parameter error &...
  • Page 101 Device Message (3) Extended STA event status register Status byte register Set to STA bit Logical OR & Not used & Not used & Not used & Not used & Signal Loss & Over Flow & Sync Loss & Errors Extended STA event status enable register Extended STA event status register Event name...
  • Page 102 Section 5 Remote Control (4) Extended END event status register Status byte register Set to END bit Logical OR & Not used & Not used & Not used & Not used & Measurement end by overflow & Measurement end by count &...

  • Page 103: Mp8931A Device Message List

    Device Message 5.4.4 MP8931A device message list Measurement-related messages are listed in Table 5.4.4-1. Table 5.4.4-1 Measurement-related message list Function Message Remarks Command START Start measurement Query Response Command STOP Stop measurement Query Response n: Measurement status Command 0: Measurement...
  • Page 104 Section 5 Remote Control Measurement parameter-related messages are listed in Table 5.4.4-2. Table 5.4.4-2 Measurement parameter-related message list Function Message Remarks n: Pattern Command PTN n 0: PN9 1: PN9 Reverse 2: PN15 3: PN15 Reverse Pattern Query PTN? 4: PN23 5: PN23 Reverse 6: ALL0 Response...
  • Page 105 Device Message External clock parameter-related messages are listed in Table 5.4.4-3. Table 5.4.4-3 External clock parameter-related message list Function Message Remarks Command EXTCLK n n: Enable/disable of Enable/disable exter- external clock Query EXTCLK? nal clock 0: Disable Response EXTCLK n 1: Enable Command EXTLVL n...
  • Page 106 Section 5 Remote Control NRZ measurement parameter-related messages are listed in Table 5.4.4-5. Table 5.4.4-5 NRZ measurement parameter-related message list Function Message Remarks Command NRZFREQ n n: Frequency NRZ frequency Query NRZFREQ? 1 kHz to 155 MHz (1-Hz steps) Response NRZFREQ n NRZLVL n1: Output level...
  • Page 107 Device Message DVB-SPI measurement parameter-related messages are listed in Table 5.4.4-6. Table 5.4.4-6 DVB-SPI measurement parameter-related message list Function Message Remarks Command SPIFREQ n n: Frequency DVB-SPI frequen- Query SPIFREQ? 10 kHz to 13.5 MHz (1-Hz steps) Response SPIFREQ n n: Packet type Command SPIPKT n...
  • Page 108 Section 5 Remote Control System data-related messages are listed in Table 5.4.4-8. Table 5.4.4-8 System data-related message list Function Message Remarks Command n: GPIB address GPIB Query GPIB? 0 to 30 Response GPIB n n1: Baud rate 1200: 1.2 kbps Command 2400: 2.4 kbps 4800: 4.8 kbps...
  • Page 109 Device Message Extended event register-related messages are listed in Table 5.4.4-9. Table 5.4.4-9 Extended event register-related message list Function Message Remarks n: Extended ERR Command ESE1 n Extended ERR event event status enable Query ESE1? status enable register Response ESE1 n 0 to 255 Command n: Extended ERR...

  • Page 110: Device Message Details

    Section 5 Remote Control 5.5 Device Message Details The MP8931A-specific commands are described in this section. 5.5.1 Measurement-related messages START (Start Command) Starts measurement.  Function Header Program command Query Response START START START  Example use STOP (Stop Command) Stops measurement.
  • Page 111 Device Message Details ERRADD (Error Add Command)  Function Adds an error. Header Program command Query Response ERRADD ERRADD ERRADD  Example use ERRRATE? (Error Rate Query)  Function Outputs error rate. Header Program command Query Response ERRRATE? ERRRATE? ERRRATE n <Error rate>...
  • Page 112 Section 5 Remote Control MEASDISP (Measure Display Command/Query)  Function Sets the measured results display method. Header Program command Query Response MEASDISP MEASDISP n MEASDISP? MEASDISP n 0: Error rate display  Value of n 1: Number of errors/total count display MEASDISP 0 ...
  • Page 113 Device Message Details ERRRATEL? (Error Rate Last Query)  Function Outputs the error rate at the end of the previous measurement interval. This query can be used regardless of whether the measured results display is Current or Last (set by MEASSEL). Header Program command Query...
  • Page 114 Section 5 Remote Control PASSTIME? (Passed Time Query)  Function Displays the elapsed measurement time. Header Program command Query Response PASSTIME? PASSTIME? PASSTIME n1,n2,n3 <Hour> 0 to 9999  Value of n1 <Minute> 0 to 59  Value of n2 <Second>...

  • Page 115: Measurement Parameter-Related Messages

    Device Message Details 5.5.2 Measurement parameter-related messages PTN (Pattern Command/Query) Sets pattern.  Function Header Program command Query Response PTN n PTN? PTN n 0: PN9  Value of n 1: PN9 Reverse 2: PN15 3: PN15 Reverse 4: PN23 5: PN23 Reverse 6: ALL0 7: ALL1...
  • Page 116 Section 5 Remote Control ERRINT (Error Add Interval Command/Query)  Function Sets error addition interval. Header Program command Query Response ERRINT ERRINT n ERRINT? ERRINT n 0: None  Value of n 1: Manual 2: 110 –2 3: 110 –3 4: 110 –4 5: 110...
  • Page 117 Device Message Details OUTPUT (Output Command/Query)  Function Enables/disables output. Header Program command Query Response OUTPUT OUTPUT n OUTPUT? OUTPUT n 0: Disable  Value of n 1: Enable OUTPUT 0  Example use OUTPUT?  Example response message OUTPUT 0 MONITOR (Monitor Command/Query) Enables/disables monitoring.

  • Page 118: External Clock Parameter-Related Messages

    Section 5 Remote Control 5.5.3 External clock parameter-related messages EXTCLK (External Clock Command/Query) Enables/disables use of external clock.  Function Header Program command Query Response EXTCLK EXTCLK n EXTCLK? EXTCLK n 0: Disable  Value of n 1: Enable  Example use EXTCLK 0 EXTCLK? EXTCLK 0...

  • Page 119: Measurement Time/Count Parameter-Related Messages

    Device Message Details 5.5.4 Measurement time/count parameter-related messages MEAS (Measure Select Command/Query) Select measurement method.  Function Header Program command Query Response MEAS MEAS n MEAS? MEAS n 0: None  Value of n 1: Time 2: Count MEAS 0 ...
  • Page 120 Section 5 Remote Control MEASCNT (Measure Count Command/Query)  Function Sets measurement count. Header Program command Query Response MEASCNT MEASCNT n MEASCNT? MEASCNT n 3 to 15: 110 to 110  Value of n MEASCNT 3  Example use MEASCNT? MEASCNT 4 ...
  • Page 121 Device Message Details MEASDTIME (Measurement Detailed Time Command/Query)  Function Sets measurement time in 0.1 second steps. Header Program command Query Response MEASDTIME MEASDTIME MEASDTIME? MEASDTIME n1,n2,n3,n4 n1,n2,n3,n4 < Hour> 0 to 999  Value of n1 < Minute> 0 to 59 ...

  • Page 122: Nrz Measurement Parameter-Related Messages

    Section 5 Remote Control 5.5.5 NRZ measurement parameter-related messages NRZFREQ (NRZ Frequency Command/Query) Sets NRZ frequency.  Function Header Program command Query Response NRZFREQ NRZFREQ n NRZFREQ? NRZFREQ n 1 kHz to 155 MHz (1-Hz steps)  Value of n When omitted: Hz ...
  • Page 123 Device Message Details NRZDATA (NRZ Input/Output Data Command/Query)  Function Sets polarity of NRZ input/output data. Header Program command Query Response NRZDATA NRZDATA n1,n2 NRZDATA? NRZDATA n1,n2 0: Positive  Value of n1 <Output data> 1: Negative 0: Positive  Value of n2 <Input data>...
  • Page 124 Section 5 Remote Control NRZENA (NRZ Input Enable Command/Query)  Function Sets an NRZ input enable polarity. Header Program command Query Response NRZENA NRZENA n NRZENA? NRZENA n 0: Positive  Value of n 1: Negative 2: Off NRZENA 0 ...
  • Page 125 Device Message Details NRZV (NRZ Input Variable Voltage Command/Query)  Function Sets voltage when NRZ input level is Variable. Header Program command Query Response NRZV NRZV n1,n2 NRZV? NRZV n1,n2 –2.5 to +3.3 V  Value of n1 <Termination voltage> –2 to +3 V ...

  • Page 126: Dvb-Spi Measurement Parameter-Related Messages

    Section 5 Remote Control 5.5.6 DVB-SPI measurement parameter-related messages SPIFREQ (DVB-SPI Frequency Command/Query) Sets DVB-SPI frequency.  Function Header Program command Query Response SPIFREQ SPIFREQ n SPIFREQ? SPIFREQ n 10 kHz to 13.5 MHz (1-Hz steps)  Value of n When omitted: Hz ...

  • Page 127: Dvb-Asi Measurement Parameter-Related Messages

    Device Message Details 5.5.7 DVB-ASI measurement parameter-related messages ASIPKT (DVB-ASI Packet Command/Query) Sets DVB-ASI packet type.  Function Header Program command Query Response ASIPKT ASIPKT n ASIPKT? ASIPKT n 0: (1)+187+(16)  Value of n 1: (1)+187 2: (1+3)+184+(16) 3: (1+3)+184 4: (1)+203 5: (1+3)+200 ASIPKT 0...

  • Page 128: System Data-Related Messages

    Section 5 Remote Control 5.5.8 System data-related messages GPIB? (GPIB Address Query) Queries GPIB address.  Function Header Program command Query Response GPIB? GPIB? GPIB n  Value of n 0 to 30  Example use GPIB? Note: GPIB address change takes about one second. GPIB 15 ...
  • Page 129 Device Message Details DISPLAY (Display Command/Query)  Function Sets display control. Header Program command Query Response DISPLAY DISPLAY n1,n2 DISPLAY? DISPLAY n1,n2 0: None  Value of n1 1: 1 min 5: 5 min 10: 10 min 20: 20 min 30: 30 min 40: 40 min 50: 50 min...

  • Page 130: Extended Event Status-Related Messages

    Section 5 Remote Control 5.5.9 Extended event status-related messages ESE1 (Extended ERR Event Status Enable Command/Query) Sets extended ERR event status enable bits.  Function Header Program command Query Response ESE1 ESE1 n ESE1? ESE1 n 0 to 255  Value of n ESE1 1 ...
  • Page 131 Device Message Details ESR2? (Extended STA Event Status Register Query)  Function Obtains extended STA event status. Header Program command Query Response ESR2? ESR2? ESR2 n 0 to 255  Value of n ESR2?  Example use  Example response message ESR2 1 ESE3 (Extended END Event Status Enable Command/Query) Sets extended END event status enable bits.
  • Page 132 Section 5 Remote Control 5-52.

  • Page 133: Performance Test

    Section 6 Performance Test This section describes the performance test. Overview ............... 6-2 Devices Required for Performance Test ...... 6-2 Preparation Before Starting Performance Test .... 6-2 Performance Test ............6-3 6.4.1 NRZ interface output level ........ 6-3 6.4.2 DVB-ASI interface output level ......6-4 6.4.3 DVB-SPI interface output level ......

  • Page 134: Overview

    The recommended interval for periodic testing is once or twice a year. If you find an item that does not meet the specifications through a per- formance test, request repair by contacting one of the Anritsu Service and Sales offices listed at the back of the paper-edition manual or on the separate file in the CD-edition manual.

  • Page 135: Performance Test

    High: −0.9 ±0.2 V Common for Data/Clock Low: −1.7 ±0.2 V Clock ±10 ppm (2) Setup Oscilloscope or MP8931A frequency counter NRZ Output TTL/ECL Data Clock 75 Ω/50 Ω converter or ECL termination Fig. 6.4.1-1 Setup for NRZ interface output level test (3) Test procedure Set up the equipment as shown in Fig.

  • Page 136: Dvb-Asi Interface Output Level

    Section 6 Performance Test 6.4.2 DVB-ASI interface output level (1) Testing specifications Item Specifications Remarks Level 800 mV(p-p) ±10% (2) Setup MP8931A Oscilloscope DVB-ASI Output Input Monitor 75 Ω/50 Ω converter Fig. 6.4.2-1 Setup for DVB-ASI interface output level test (3) Test procedure Set up the equipment as shown in Fig.

  • Page 137: Dvb-Spi Interface Output Level

    Specifications Remarks Offset Voltage 1.125 to 1.35 V Differential Voltage 247 to 454 mV (2) Setup Oscilloscope MP8931A DVB-SPI Output Input Monitor 100 Ω termination Fig. 6.4.3-1 Setup for DVB-SPI interface output level test (3) Test procedure Set up the equipment as shown in Fig. 6.4.3-1.
  • Page 138 Section 6 Performance Test 6-6.

  • Page 139: Maintenance

    Section 7 Maintenance This section explains daily maintenance and precautions on storage in order to maintain the MP8931A performance. Daily Maintenance ............7-2 Storage ................. 7-3...

  • Page 140: Daily Maintenance

    Section 7 Maintenance 7.1 Daily Maintenance Daily maintenance procedures and timing are shown below: Table 7.1-1 Daily maintenance Item Timing Procedure Wipe with a cloth • Before long-term stor- Dirt on exterior soaked in a diluted neutral detergent. • After use in dusty place •...

  • Page 141: Storage

    • Avoid places where the equipment can be oxidized or there is ex- treme vibration. (2) Recommended storage conditions In addition to the above items, the MP8931A should be stored under the following conditions: • Temperature: 5 to 30°C • Humidity: 40 to 75 % •...
  • Page 142 Section 7 Maintenance 7-4.

  • Page 143: Appendix A Specifications

    Appendix A Specifications (1) Common items Item Specifications Measurement interface NRZ, DVB-SPI, DVB-ASI Remote control interface GPIB, RS-232C Internal clock frequency Setting range: 1 kHz to 155 MHz, Resolution: 1 Hz, Accuracy: ±10 ppm setting Pseudo-random code: PN9, PN9_REV, PN15, PN15_REV, PN23, PN23_REV, ALL“0”, ALL“1”, “1010”...
  • Page 144 Appendix A Specifications (2) NRZ interface Item Specifications Common Connector BNC (75 Ω) (I/O) Output sig- Signal type Data/Clock Common to Level <ECL> High: –0.9 ±0.2 V, Low: –1.7 ±0.2 V data/clock <TTL> High: +2.5 ±0.3 V, Low: 0 ±0.3 V Termination ECL: –2 V, TTL: GND voltage...
  • Page 145 Appendix A Specifications Item Specifications Input signal Signal type Data/Clock/Enable Common to Level <ECL> High: 0 to –1.0 V, Low: –1.5 to –2.5 V data/clock en- <TTL> High: +1.8 to +5.0 V, Low: 0 to +1.0 V able <Variable> Shown below Termination ECL: –2 V, TTL: GND voltage...
  • Page 146 Appendix A Specifications (3) DVB-SPI interface Item Specifications Common Connector D_Sub 25 (Female) (I/O) Table Pin Contact Assignment Signal Signal Clock A Clock B System GND System GND Data 7 A (MSB) Data 7 B (MSB) Data 6 A Data 6 B Data 5 A Data 5 B Data 4 A...
  • Page 147 Appendix A Specifications Item Specifications Input signal Common to Level (LVDS) 0.1 to 2.0 Vp-p Clock, Data DVALID, PSYNC Data Data out of PN Data are not compared for “Sync,” “16 Valid extra range bytes” or “PID.” Clock Frequency 10 kHz to 13.5 MHz (byte clock) Duty 50% ±10%...
  • Page 148 Appendix A Specifications • Timing [1] When 187 bytes of 204-byte packet are measurement target: (1)+187+(16) p16 sync 186 187 … p16 sync Data [7:0] Dvalid Psync Clock [2] When 187 bytes of 188-byte packet are measurement target: (1)+187 187 sync 186 187 sync Data [7:0] Dvalid...
  • Page 149 Appendix A Specifications (4) DVB-ASI interface Item Specifications Common Connector BNC (75 Ω) (I/O) Termination 75 Ω Frequency 270 MHz (internal clock) Packet type [1] 204: (1)+187+ (16) packets [2] 188: (1)+187 packets [3] 204: (1+3)+184+ (16) packets [4] 188: (1+3)+184 packets [5] 204: (1)+203 packets [6] 204: (1+3)+200 packets Output...
  • Page 150 Appendix A Specifications (5) External clock input Item Specifications <ECL> High: 0 to −1.0 V, Low: −1.5 to −2.5 V Level <TTL> High: +1.8 to +5.0 V, Low: 0 to +1.0 V Terminal voltage conditions ECL: −2 V, TTL: GND Threshold voltage conditions ECL: −1.3 V, TTL: +1.4 V Termination...

  • Page 151: Appendix B Initial Value List

    Appendix B Initial Value List Initial values at factory shipment and after executing the *RST com- mand (initialization) as well as automatically saved items are shown be- low. Initial value Result of *RST Auto Item (at factory ship- command execu- save ment) tion (initialization)
  • Page 152 Appendix B Initial Value List B-2.

  • Page 153: Appendix C Performance Test Result Sheet

    Appendix C Performance Test Result Sheet Model Name: MP8931A Bit Error Rate Tester Serial No.: ______________________________ Ambient Temperature: _____________ °C Relative Humidity _____________ % • NRZ Output Interface (Common for Data and Clock) Output Level Specifications Result −0.9 V (ECL High) ±0.2 V...
  • Page 154 Appendix C Performance Test Result Sheet C-2.

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