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Keysight Wireless Test Solutions
S8780A Wireless Device Solution / E6680A Test Set

Getting Started Guide

7 Troubleshooting

The following topics can be found in this section:

“Identifying Problems” on page 114
“Returning Your Test Set for Service” on page 115

Содержание S8780A

Страница 1: ...Getting Started Guide Keysight Wireless Test Solutions S8780A Wireless Device Solution featuring E6680A Wireless Test Set ...

Страница 2: ...mmercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Software The EULA and the license set forth therein does not require or permit among other things that Keysight 1 Furnish...

Страница 3: ... Technologies http www keysight com find contactus To receive the latest updates by email subscribe to Keysight Email Updates at the following URL http www keysight com find MyKeysight Information on preventing instrument damage can be found at www keysight com find PreventingInstrumentRepair Is your product software up to date Periodically Keysight releases software updates to fix known defects a...

Страница 4: ...4 ...

Страница 5: ...aration 13 Declaration of Conformity 13 Ventilation 14 Power Requirements 14 Using Accessories 15 Location and Mounting 15 Weight and Dimensions 15 Lifting 15 Electrical Safety 16 Protecting against electrostatic discharge 17 Instrument Maintenance 18 Cleaning the Instrument 18 Cleaning the connectors 18 Quick Start 19 Initial Inspection 20 Shipping Problems 20 Purpose and Function 21 Options and ...

Страница 6: ...elp System 50 Command Interface 52 Operating Tasks 55 TRX Selection 56 Using HiSLIP 57 Using Socket Ports 57 Using VXI 11 SICL 57 Using Telnet Connection 58 Receiver Setup 59 Source Setup 64 Port Configuration 67 Port usage 68 SCPI commands for port setup 71 Configuration Example Tx 7 Rx 4 72 Configuration Example Tx 4 Rx 7 73 Configuration Example TxRx 7 74 Configuration Example TxRx 4 75 Configu...

Страница 7: ...eation of accounts 94 Licensing New Application Software After Initial Purchase 95 Transporting a License Between Test Sets 97 Windows Security 100 Windows Firewall 101 Virus protection 102 Spyware protection 102 System Maintenance 103 Back up 103 System Restore 103 Disk defragmenting 103 USB Connections 104 Hard Drive Partitioning and Use 104 Hard Drive Recovery Process 105 Troubleshooting 113 Wh...

Страница 8: ...8 Getting Started Guide Contents ...

Страница 9: ...ements and Symbols on page 10 Safety on page 11 Environmental Conditions Operating on page 12 EMC Electromagnetic Compatibility on page 13 Ventilation on page 14 Power Requirements on page 14 Using Accessories on page 15 Location and Mounting on page 15 Weight and Dimensions on page 15 Electrical Safety on page 16 Protecting against electrostatic discharge on page 17 Instrument Maintenance on page...

Страница 10: ...re practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in personal inj...

Страница 11: ...ctive as well as current editions of the following standards dates and editions are cited in the Declaration of Conformity IEC EN 61010 1 Canada CSA C22 2 No 61010 1 USA UL std no 61010 1 Acoustic statement European Machinery Directive Acoustic noise emission LpA 70 dB Operator position Normal operation mode per ISO 7779 General Safety Notices If this product is not used as specified the protectio...

Страница 12: ...n Samples of this product have been type tested in accordance with the Keysight Environmental Test Manual and verified to be robust against the environmental stresses of Storage Transportation and End use those stresses include but are not limited to temperature humidity shock vibration altitude and power line conditions Test Methods are aligned with IEC 60068 2 and levels are similar to MIL PRF 2...

Страница 13: ...SPR 11 ICES NMB 001 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada South Korean Class A EMC declaration This equipment is Class A suitable for professional use and is for use in electromagnetic environments outside of the home Declaration of Conformity The Declaration of Conformity for any Keysight product can be found on the website http...

Страница 14: ...se the test set to overheat Another area of concern is verification that the maximum ambient operating temperature of the instrument s is not exceeded by cabinet installation Keysight recommends forced air convection whenever an instrument s are installed in a cabinet and further recommends that the maximum operating temperature of the cabinet be reduced 10 C from the lowest of the maximum operati...

Страница 15: ...dered when using accessories such as a keyboard or a mouse Install the instrument so that the detachable power cord is readily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LIN...

Страница 16: ... a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device This instrument has an auto ranging line voltage input Ensure the supply voltage is within the specified range and voltage fluctuations do not exceed 10 percent of the nominal supply volt...

Страница 17: ...d before removing any assembly from the test set Be sure that all instruments are properly earth grounded to prevent build up of static charge Perform work on all components or assemblies at a static safe workstation Keep static generating materials at least one meter away from all components Store or transport components in static shielding containers Always handle printed circuit board assemblie...

Страница 18: ...ct the instrument from mains before cleaning Use a dry cloth slightly dampened with water to clean the external case parts Do not attempt to clean internally Cleaning connectors with alcohol shall only be done with the instrument s power cord removed and in a well ventilated area Allow all residual liquid alcohol to evaporate and the fumes to dissipate prior to energizing the instrument ...

Страница 19: ...ions S8780A Wireless Device Solution E6680A Test Set Getting Started Guide 2 Quick Start The following topics can be found in this section Initial Inspection on page 20 Purpose and Function on page 21 Options and Licenses on page 22 ...

Страница 20: ... or the contents of the container are incomplete Contact the nearest Keysight Technologies office Keep the shipping materials for the carrier s inspection If you must return a test set to Keysight Technologies use the undamaged original or comparable shipping materials See Returning Your Test Set for Service on page 115 Item Deliverable Description Getting Started Guide this document Provides firs...

Страница 21: ...t supports wireless device testing with up to four transmit receive modules Figure 2 1 E6680A Front Panel Each TRX unit in the E6680A system chassis supports eight RFIO ports For more information on the ports and their rules of usage see Port Configuration on page 67 Figure 2 2 E6680A RF Interface ...

Страница 22: ...dules M9414A designated TRX2 TRX3 and TRX4 E6680A B2X 200 MHz Bandwidth for a specified TRX module E6680A B4X 400 MHz Bandwidth for a specified TRX module E6680A B8X 800 MHz Bandwidth for a specified TRX module E6680A M44 True MIMO up to 4x4 in one chassis E6680A 250 E6680A 251 E6680A 252 Waveform License 50 pack 1 to 3 always included in E6680A E6680A BTS Downlink Measurement Capability E6680A MS...

Страница 23: ...B8X 800 MHz bandwidth on TRX added by E6680AU TRX above E6680AU BTS Add Downlink Measurement Capability E6680AU BU1 Bandwidth upgrade from 200 MHz to 400 MHz on a specified TRX module E6680AU BU2 Bandwidth upgrade from 200 MHz to 800 MHz on a specified TRX module E6680AU BU3 Bandwidth upgrade from 400 MHz to 800 MHz on a specified TRX module E6680AU M44 Add true MIMO up to 4x4 in one chassis Plann...

Страница 24: ...ensing License Manager as illustrated below Figure 2 3 Keysight License Manager The licenses available are described in the table below Licenses in this table which begin with a Y support both measurement and waveform generation licenses beginning with a V support measurement only Designation Description V9060EM0E Test set measurement always included in E6680A V9065EM1E Sequence analyzer uplink ap...

Страница 25: ...ment V9077EM2E 802 11be measurement Y9077EM2E 802 11be waveform and measurement Y9080EM0E LTE LTE A FDD waveform and measurement Y9080EM3E NB IoT eMTC waveform and measurement Y9081EM0E Bluetooth waveform and measurement Y9082EM0E LTE LTE A TDD waveform and measurement Y9085EM0E 5G NR non signaling waveform and measurement Planned Future Applications V9071EM0E GSM EDGE Evo measurement V9073EM0E W ...

Страница 26: ...26 Getting Started Guide Quick Start Options and Licenses ...

Страница 27: ...ns S8780A Wireless Device Solution E6680A Test Set Getting Started Guide 3 Exterior Features The following topics can be found in this section Front Panel Features on page 28 Rear Panel Features on page 33 Labels and Symbols on page 34 ...

Страница 28: ...res The photo below shows the front panel of the E6680A Figure 3 1 E6680A front panel These sections of the front panel are described separately as follows 1 See Controller interface on page 29 2 See TRX connectors on page 30 3 See Reference on page 31 4 See System status on page 32 ...

Страница 29: ...supply to the controller is good and the system should boot USER Not used 3 Trig This BNC trigger connector is not used by the E6680A 4 LAN1 LAN2 Two TCP IP Interface connectors that are used for remote test set operation Choose the LAN 1 port to have an IP address assigned to the test set dynamically using DHCP If your local network does not support DHCP choose the LAN 2 port to use a private sta...

Страница 30: ...r output or as full duplex port input and output 9 Trig 1 Trig 2 These BNC connectors are for triggers configurable as input or output triggers They can be set up as source triggers or receiver triggers 10 TRXn Status This LED indicates the status of the TRX module The LED lights green when the measurement application software is loaded for the TRX The light turns red if the TRX develops an error ...

Страница 31: ...indicates the status of the frequency reference Green frequency reference is operating normally Red frequency reference is unlocked Off frequency reference has lost power or lost connection to the controller 2 10 MHz Out This BNC connector provides a 10 MHz output reference signal 3 Ref In This BNC connector accepts a 1 MHz to 110 MHz input reference signal ...

Страница 32: ...It is never on continuously 2 Fan This green LED is off when the chassis is turned off It is on continuously when the fans are running normally The LED flashes whenever a fan is stopped or running too slowly 3 Power This blue LED is off when the chassis is turned off It is on continuously when all supply voltages are normal The LED flashes whenever a supply voltage is outside its normal range 5 On...

Страница 33: ...owered up by the front panel ON Standby pushbutton This is the recommended setting When the switch is in the manual position the chassis is powered up by the Inhibit input signal on the rear panel INHIBIT VOLTAGE MON DB 9 connector 5 INHIBIT VOLTAGE MON This DB 9 connector provides access for testing of internal power supply voltages The voltages by Pin are 1 Logic Gnd 2 5 VDC 3 Rsrvd 4 3 3 VDC 5 ...

Страница 34: ...ndicate product compliance with the Industry Canadian Interference Causing Equipment Standard ICES 001 This is also a symbol of an Industrial Scientific and Medical Group 1 Class A product CISPR 11 Clause 4 This symbol indicates separate collection for electrical and electronic equipment mandated under EU law as of August 13 2005 All electric and electronic equipment are required to be separated f...

Страница 35: ...ce Solution E6680A Test Set Getting Started Guide 4 User Interface This is a basic introduction to the E6680A s user interface The following topics can be found in this section Launch Icons on page 36 Screen Interface on page 39 Command Interface on page 52 ...

Страница 36: ...identifies them by SCPI address At a minimum TRX1 must be installed and cannot be disabled using this tool However the other TRXs if installed can be enabled or disabled using the checkboxes in the left column When the desired TRXs are selected in the checkboxes click Run Selected to activate them The UpdateFPGA button is used when installing a new TRX into an E6680A which was purchased without it...

Страница 37: ...Getting Started Guide 37 User Interface Launch Icons This screen is displayed while the software is loading Figure 4 3 Application greeting screen ...

Страница 38: ... E6680A s measurement applications will be preloaded into memory at startup Preloading the most frequently used applications is a convenience however selecting fewer of them for preload shortens the startup time and uses less memory Figure 4 4 Configure X Series applications A selector at the lower left of the window allows you specify which application will be running when the E6680A starts up ...

Страница 39: ...nterface Screen Interface The overall appearance of the display interface is illustrated below Different parts of it are discussed in more detail in the following sections Figure 4 5 Application display interface with results window for Channel Power ...

Страница 40: ...40 Getting Started Guide User Interface Screen Interface Elements of the interface are discussed in more detail in the following sections Figure 4 6 Elements of the display interface ...

Страница 41: ...ct a measurement screen for viewing and configuration to add another screen click the button at the right of the existing tabs Figure 4 7 Screen tabs Clicking on the currently selected tab brings up the Mode Meas View dialog to change settings for that screen Figure 4 8 Mode Meas View dialog ...

Страница 42: ...alog which allows you to access various information screens and settings interfaces The tabs on the left side let you access various configuration screens Figure 4 9 System Settings The System Settings screens include System I O Config User Interface Power On Restore Defaults Alignments Licensing Security Diagnostics Service ...

Страница 43: ...3 User Interface Screen Interface Preset Clicking this icon opens a menu which provides access to the various ways in which settings can be restored to a default condition or a condition you defined earlier Figure 4 10 Preset ...

Страница 44: ...ant settings for the measurement in a series of annotation panels which can be clicked on to reveal menu choices for them The panel at the far left for example allows you to toggle between continuous and single measurement modes and also to restart or pause a measurement Figure 4 11 Meas Bar ...

Страница 45: ...ted menu is usually divided into separate sub menus any of which can be selected by clicking on the tabs to the right for example the tabs on the right of the Amplitude menu represent the Y Scale and Range sub menus Which items are included on a menu depend on which measurement is currently active and sometimes on how other settings have been configured Figure 4 12 Menus and sub menus ...

Страница 46: ...ow the results of a measurement The number of windows and the type of information displayed in them varies from measurement to measurement For example the Modulation Analysis measurement example below shows a constellation diagram two graphical displays and a table of numerical data Figure 4 13 Measurement Display for Modulation Analysis ...

Страница 47: ...rted Guide 47 User Interface Screen Interface The Power vs Time measurement below is simpler showing only one graph for RF Envelope and one table of numerical data Figure 4 14 Measurement Display for Power vs Time ...

Страница 48: ...arted Guide User Interface Screen Interface Control Bar This provides controls and information displays related to various instrument functions that are independent of the current measurement Figure 4 15 Control Bar ...

Страница 49: ... up by finding the icon representing them in the Windows taskbar Although the graphics for any two TRXs will look alike as in the illustration below hovering the mouse over one of them will display its TRX number and a small graphic representation of its measurement screen Figure 4 16 Reopening minimized windows ...

Страница 50: ...between for example the WLAN mode and the 5GNR mode separate help systems for these modes are installed on the system Figure 4 17 Opening the help content Within the help system information can be found either by using the Search window at the upper right or by navigating the Contents tab at the left However when you are looking for information specific to a menu selection or other feature of the ...

Страница 51: ... setting as a selection This selection opens the help content to a page which is specific to that feature For example the help page for Avg Hold Number in the Meas Setup Settings menu explains the feature provides the syntax for the equivalent SCPI commands in complete and abbreviated forms and specifies the default value Preset and range Min Max of the possible settings Figure 4 18 Accessing help...

Страница 52: ... variable ampl but in an actual command this variable be replaced by an actual value such as 10 Where a command parameter must be one of a limited set of choices the alternatives are listed with vertical lines separating the choices OFF ON 0 1 The SCPI syntax allows for certain elements of a command to be omitted for brevity Where a command name is given in a mixture of upper case and lower case l...

Страница 53: ...lso be shortened to FREQ CENT 16 GHz Detailed information about the SCPI commands and how they are used is provided in the help file for the measurement application you are running There is not always a command equivalent for a function of the screen interface some functions which relate only to the display do not need a command Also there is not always a screen interface equivalent for a command ...

Страница 54: ...54 Getting Started Guide User Interface Command Interface ...

Страница 55: ...t Getting Started Guide 5 Operating Tasks The following topics can be found in this section TRX Selection on page 56 Receiver Setup on page 59 Source Setup on page 64 Port Configuration on page 67 Alignments on page 83 LAN Address Configuration on page 87 Managing Licenses on page 89 ...

Страница 56: ...ced in numerical order in the PXIe chassis beginning with TRX1 on the left Figure 5 1 Identifying application windows for different TRXs Although the test set as a whole is assigned only one IP address for the entire PXIe chassis the individual TRXs within the chassis can be differentiated in network communication with the test set The means of identifying a TRX depends upon the connection method ...

Страница 57: ...p3 INSTR Using Socket Ports Use sockets 5025 5125 5225 and 5325 TRX1 5025 TRX2 5125 TRX3 5225 TRX4 5325 Using VXI 11 SICL Use inst0 through inst3 TRX1 TCPIP0 IP Address inst0 INSTR TRX2 TCPIP0 IP Address inst1 INSTR TRX3 TCPIP0 IP Address inst2 INSTR TRX4 TCPIP0 IP Address inst3 INSTR HiSLIP High Speed LAN Instrument Protocol is the recommended interface for connection to the E6680A because of its...

Страница 58: ...58 Getting Started Guide Operating Tasks TRX Selection Using Telnet Connection Use telnet ports 5023 5123 5223 5323 TRX1 5023 TRX2 5123 TRX3 5223 TRX4 5323 ...

Страница 59: ... Mode Measurement View Selector which you can use to select a particular kind of measurement In this example WLAN has been selected under Mode and the selections under Measurement are the measurements available in that mode For some measurements there are also selections to be made under View In the example illustrated below the Channel Power measurement is selected Click OK to run this mode measu...

Страница 60: ...re made from the menus which can be accessed by selecting the dropdown button near the upper right of the display Figure 5 4 Accessing Menus Selecting a menu from the dropdown list displays the menu selections usually the selections are indented under multiple tabs shown at the right ...

Страница 61: ...Getting Started Guide 61 Operating Tasks Receiver Setup For example the Amplitude menu has three tabs the selections under the Y Scale and Range tabs are shown below Figure 5 5 Measurement Menus ...

Страница 62: ...or a value to be entered 17 GHz some choices cause a more elaborate selection screen to appear in the display In the example illustrated below Trigger Trigger Settings Diagram opens an interactive display the trigger source can be changed from Free Run to Ext 1 by clicking on the graphic Figure 5 6 Trigger Settings Diagram ...

Страница 63: ... open is a configuration window such as the Meas Setup Summary Table which gathers together multiple settings on one screen to make it easier to review them Figure 5 7 Meas Setup Summary Table The menu choices are different for each measurement For more detailed information see the help file for the 5G application ...

Страница 64: ... source function of the E6680A relates to generation of test signals to be transmitted to the DUT Not all measurement scenarios require these signals but many do Most source settings are made from the Input Output RF Source menu illustrated below Figure 5 8 RF Source Menu ...

Страница 65: ...Getting Started Guide 65 Operating Tasks Source Setup The Modulation Setup ARB Setup window can be used to configure various functions of the arbitrary waveform generator Figure 5 9 ARB Setup Window ...

Страница 66: ... a waveform file that is saved in a location on the disk drive click the File icon at the bottom of the screen and click the Recall icon which appears This opens the Recall window from there select Waveform and Recall From File and navigate to the appropriate file path to load the file Figure 5 10 Recalling an ARB file For more detailed information about source setup see the help file for the 5G a...

Страница 67: ...analyzer and RF source these communicate with a set of eight RFIO ports through the RF interface matrix illustrated below Each RFIO port can be an input port accepting a signal to be analyzed as an output port providing an RF stimulus or as a full duplex port doing both Figure 5 11 TRX RF interface matrix ...

Страница 68: ...airs 6 and 1 2 and 5 3 and 8 Examples in the following pages show only 4 and 7 but the same could be done for the other three pairs in each case Figure 5 12 Paired ports RFIO 4 and RFIO 7 The pairing of ports in this way places some restrictions on how they are used see Port combinations for paired ports on page 69 RF power in full duplex mode Any port can be used in full duplex mode Tx Rx in the ...

Страница 69: ... in full duplex mode simultaneous transmit receive the other port is unavailable for use because all the resources of the pair are assigned to the full duplex port The possible combinations of settings for a port pair are illustrated below Figure 5 13 Supported settings for paired ports It is also possible to use one of these ports for Tx and a port from a different pair as Rx For example port RFI...

Страница 70: ... select the port from the RF Output Port dropdown list To set the Rx RF Input Port go to the menu Input Output Input menu and select the port from the RF Input Port dropdown list These menus are illustrated below Figure 5 14 Setting the output and input ports When an unused port is set to NONE this applies a ground termination to the port to optimize port isolation ...

Страница 71: ... can be 1 through 8 For full duplex mode set the same port as both input and output An unused port can be set to NONE instead of RFIO n Example to set up RFIO 7 as the output port send the command FEED RF PORT OUTP RFIO7 Broadcast command The SCPI command for broadcast mode see Configuration Examples Broadcast Mode on page 76 is FEED RF PORT OUTP BROadcast P12 P34 P1234 P56 P78 P5678 OFF The P par...

Страница 72: ... for receive Figure 5 15 Example Tx 7 Rx 4 Set up the RF Input using this menu setting or its equivalent command Input Output Input RF Input Port RFIO 4 Command FEED RF PORT INP RFIO4 Then set up the RF Output using this menu setting or its equivalent command Input Output RF Source RF Output RFIO 7 Command FEED RF PORT OUTP RFIO7 ...

Страница 73: ... for receive Figure 5 16 Example Tx 4 Rx 7 Set up the RF Input using this menu setting or its equivalent command Input Output Input RF Input Port RFIO 7 Command FEED RF PORT INP RFIO7 Then set up the RF Output using this menu setting or its equivalent command Input Output RF Source RF Output RFIO 4 Command FEED RF PORT OUTP RFIO4 ...

Страница 74: ...ull duplex mode on page 68 Figure 5 17 Example TxRx 7 Set up the RF Input using this menu setting or its equivalent command Input Output Input RF Input Port RFIO 7 Command FEED RF PORT INP RFIO7 Then set up the RF Output using this menu setting or its equivalent command Input Output RF Source RF Output RFIO 7 Command FEED RF PORT OUTP RFIO7 ...

Страница 75: ...ull duplex mode on page 68 Figure 5 18 Example TxRx 4 Set up the RF Input using this menu setting or its equivalent command Input Output Input RF Input Port RFIO 4 Command FEED RF PORT INP RFIO4 Then set up the RF Output using this menu setting or its equivalent command Input Output RF Source RF Output RFIO 4 Command FEED RF PORT OUTP RFIO4 ...

Страница 76: ...broadcast mode In this example the output ports are RFIO 5 6 7 and 8 It would be also be possible to use ports RFIO 5 and 6 or ports RFIO 7 and 8 Figure 5 19 Example broadcast mode ports 5 8 Set up the RF Output using this command FEED RF PORT OUTP BROadcast P5678 Broadcast mode is set up only by means of SCPI commands not by making menu selections ...

Страница 77: ...ts are grouped above the diagonal line on the TRX front panel It would be also be possible to use ports RFIO 1 and 2 or ports RFIO 3 and 4 Figure 5 20 Example broadcast mode ports 1 4 Set up the RF Output using this command FEED RF PORT OUTP BROadcast P1234 Broadcast mode is set up only by means of SCPI commands not by making menu selections ...

Страница 78: ...re configured as Rx ports that is input ports they capture the data stream from the first and second antenna ports of the DUT The RF Input Port Mode must be set to List so that the sequence can change the input port path from one acquisition to the next In the Meas Setup RF Input Port Mode menu select List The equivalent SCPI commands is SENSe LSEQuencer PORT INPut MODE LIST Figure 5 21 2X2 switch...

Страница 79: ...e three separate acquisitions are used for the three separate ports and must be integrated Set up acquisition integration as follows in the Meas Setup Acquisition Setup Acquisition Integration menu select Primary for the first acquisition and Switch MIMO for the second and third The equivalent SCPI commands are SENSe LSEQuencer ACQuire 1 512 SETup INTegration PRIMary SENSe LSEQuencer ACQuire 1 512...

Страница 80: ...mbers In MIMO testing a single TRX is designated the primary and it controls the other TRX or TRXs used For the MIMO Modulation Analysis measurement go to the Meas Setup MIMO Type menu and select 2x2 3x3 or 4x4 This setting determines whether the display shows two three or four constellation diagrams for the measurement The equivalent SCPI command is SENSe EVMMimo TYPe M2M2 M3M3 M4M4 Here is an ex...

Страница 81: ...uration Here is an example of 3x3 MIMO Figure 5 24 3X3 true MIMO connections In the example setup shown here TRX 1 runs the MIMO Modulation Analysis measurement and is also configured to control TRX 2 and 3 which collect the second and third data streams ...

Страница 82: ...tion Here is an example of 4x4 MIMO Figure 5 25 4X4 true MIMO connections In the example setup shown here TRX 1 runs the MIMO Modulation Analysis measurement and is also configured to control TRX 2 to 4 which collect the second third and fourth data streams ...

Страница 83: ...ons the alignments are not run automatically either at startup or afterward you must run them explicitly The System Settings Alignments Align Now menu is illustrated below Figure 5 26 Alignments Align Now menu The TRX s internal temperature and the time since the most recent alignment can be checked by selecting System Settings Alignments Show Alignment Statistics as illustrated below Figure 5 27 ...

Страница 84: ...rmance for both the source and the receiver Align Source Perform all alignments needed to get the best RF and IF performance for the source Align Analyzer Perform all alignments needed to get the best RF and IF performance for the analyzer Align Fast To save time perform most of the source and analyzer alignments Align LO Leakage Perform only the LO Leakage relative alignments for both the source ...

Страница 85: ... All alignment typically takes less than 9 minutes to run To run the alignment select System Settings Alignments Align Now Align Fast or send the SCPI command CAL INT FAST The alignment process requires a 45 minute preliminary warm up period after applying power or after restarting the XSA application when the application is not running power is not applied to the TRXs therefore an application shu...

Страница 86: ...ign Source or send the SCPI commands CAL INT SOUR WAI 2 Select System Settings Alignments Align Now Align Analyzer or send the SCPI commands CAL INT REC WAI 3 Select System Settings Alignments Align Now Align LO Leakage or send the SCPI commands CAL INT LOL WAI Any alignment process requires a 45 minute preliminary warm up period after applying power or after restarting the XSA application when th...

Страница 87: ...er name can be used to find the test set on the LAN However to see the System Show System screen and find this information it is necessary either to connect a monitor to the front panel monitor port or else to use the LAN 2 port to connect test set to a PC directly Figure 5 28 Checking the LAN address Using the LAN 1 port to connect the test set directly to the public LAN is potentially insecure b...

Страница 88: ...er Configuring the LAN Hostname The Computer Name or hostname is pre configured from the factory It must be a unique name so that it does not conflict with other equipment on your LAN The pre configured Computer Name is K E6680A xxxxx where xxxxx represents the last 5 digits of the test set serial number To change the Computer Name consult the Microsoft Windows Help and Support Center IP Address G...

Страница 89: ...hich licenses are installed open the Keysight License Manager from the Windows Start menu It can also be opened by clicking the gear icon at the upper left to open the System Settings screen and clicking Licensing License Manager The licenses installed on the test set are listed with information provided about license types and expiration dates in the illustrated example Fixed indicates a node loc...

Страница 90: ...n one instrument computer at a time but may be transferred to another using a certified USB dongle available for additional purchase with Keysight part number E8900 D10 Floating single site Networked instruments computers can access a license from a server one at a time Multiple licenses can be purchased for concurrent usage KeysightCare Software Support Subscriptions Perpetual licenses are sold w...

Страница 91: ...Set Operating System The following topics can be found in this section Keysight Software Installed on page 92 User Accounts on page 93 Licensing New Application Software After Initial Purchase on page 95 Transporting a License Between Test Sets on page 97 Windows Security on page 100 System Maintenance on page 103 ...

Страница 92: ... an open Windows environment so you can install non approved software on the test set However installation of non approved software may affect test set performance Keysight does not warrant the performance of the test set with non approved software installed If you install programs other than those that Keysight has tested it could cause problems with the test set s applications If this happens yo...

Страница 93: ...s on the test set Add or change user accounts and passwords Change Firewall settings Change Windows settings Change the time and date Run any application User login The default user account that ships from the factory is Instrument with the password measure4u This user is a member of the Standard Users group Using the Instrument account you can perform the following operations Access files on the ...

Страница 94: ...tion that each user s My Documents folder is mapped to the D drive This is to avoid overwriting the user s data in the event the Keysight Recovery must be performed Also this facilitates convenient backup by copying the contents of the D drive to external media All users accounts created by the factory already have My Documents mapped to the D drive Please map all new users My Documents folders to...

Страница 95: ...strument model and serial number combination The license key will only install itself on that instrument The installation procedure is as follows No calibration is required after a test set application installation Step Action Notes 1 Redeem the Option Upgrade Entitlement Certificate Follow the instructions on the certificate Log into MyKeysight at http www keysight com my and go to the Keysight S...

Страница 96: ...s the license file This may take a few minutes Upon completion the Keysight License Manager displays a Successful License Installation message On the License tab of the System System Information window verify that the new license is listed 5 Restart the E6680A Application Close the E6680A Application and re launch it to activate the new license Step Action Notes ...

Страница 97: ...keyboard USB mouse We will refer to the test set from which the transportable license will be removed as the source instrument We will refer to the test set which will receive the transportable license as the target instrument The installation procedure is as follows Step Action Notes 1 Connect the USB devices to the source instrument Connect the USB flash drive USB keyboard and USB mouse to the U...

Страница 98: ...e license and not a node locked perpetual license Although you are deleting the transportable license the ultimate action will be to transport it The information in this dialog box will be used to issue a new license for the target instrument 6 Get New License from KSM Transportation Web page Follow these steps 1 Insert USB flash drive into PC that is connected to the internet 2 On the PC locate t...

Страница 99: ...el of the USB flash drive for it to be recognized by the target instrument 8 Install License File in Target Instrument Follow these steps 1 With the target instrument running insert the USB flash drive into one of the front panel USB ports After a few minutes you should see a message saying Successful License Installation 2 Cycle power on the target instrument 3 Once the test set has re booted the...

Страница 100: ...et Windows operating system is protected Use an internet firewall Get the latest critical Windows updates Use up to date antivirus software To check the status or make changes in the security settings for your test set click Start Control Panel and then Security and Maintenance The following window appears Figure 6 1 Security and Maintenance ...

Страница 101: ...m and Security window to check the firewall status of your test set The test set is shipped with the Windows Firewall enabled Windows Firewall exceptions for programs and ports have been added to allow proper operation of the test set over a network Modifying these settings may prevent the test set from operating properly ...

Страница 102: ... set See the section on 3rd Party software verified by Keysight on page 92 for anti virus software that has been tested by Keysight Spyware protection The Review your computer s status and resolve issues window described above also shows the status of spyware protection There is no anti spyware software installed on the test set This should not be a problem if you do not use the test set for a lot...

Страница 103: ...form back ups at times when the Server PC is not being used for normal operations as it may impact the test set s overall performance System Restore The Windows operating system has the capability to restore the system to a previous point in time System Restore is enabled with default settings as provided by Microsoft However System Restore is not 100 successful Therefore it is not the recommended...

Страница 104: ...ion contains the Windows operating system and software installed by Keysight This is an Open System which means you can install additional software However only a limited set of software applications are tested for use with the Keysight measurement software The installation and or use of other software is not warranted and could interfere with the operation of the measurement software If instrumen...

Страница 105: ...ograms saved on the D or E drives Any upgrades that were made to the Keysight measurement application software Restoring the original factory system software will not synchronize the code in the Field Programmable Gate Arrays FPGAs on the various hardware assemblies As a result you may see an error dialog box appear during the final boot up at the end of the recovery process This typically occurs ...

Страница 106: ...nstructions to recover the image of the C drive Follow these steps 1 Press 2 then press Enter to select the recovery 2 Press 1 then press Enter to continue 3 Press 1 then Enter to confirm 4 Wait for the reboot After exiting the Keysight Recovery System the test set reboots Additional recovery steps may be required to fully recover the system to a more current working state This could involve resto...

Страница 107: ...ministrator You must be able to transfer a large file 6 MByte to the E6680A being updated File Download 1 Go to http www keysight com find E6680A and go to the Technical Support section select the Driver Firmware Software tab 2 Download the executable file by clicking on the file link Save the file to a location of your choice If you do not have the ability to download files directly to the C driv...

Страница 108: ...ware version completes in approximately 15 minutes 1 Connect a USB keyboard and mouse to the E6680A 2 If the E6680A is not already running power it up and allow it to boot up completely 3 Close the E6680A measurement application if it is running Right click in the application window and select elect Utility File from the right click menu select the Exit softkey and click OK in the confirmation win...

Страница 109: ...s installation may involve updating of FPGA devices within the E6680A During the installation DO NOT power off the E6680A for ANY reason Interrupting the FPGA update process can place the instrument in an unusable state requiring it to be returned to Keysight for repair Step Notes 1 Double click on the installer file and click Yes in the confirmation window that appears The installer is an executa...

Страница 110: ...it while the previous version of the software is uninstalled 4 Wait while the new version of the software is installed During installation you might see additional windows showing that FPGA changes are being made However not all software updates involve such changes Step Notes ...

Страница 111: ...o boot from USB first and the internal drive second If this is the case failure to remove the USB device will result in an error as the instrument attempts to boot from it 7 Verify that the new software is installed Select System System Information On the window which opens look for the Instrument S W Revision entry on the System tab and verify it matches the revision of the installer Additional r...

Страница 112: ... opens the System window 2 Click Advanced System Settings in the left pane This opens the System Properties window 3 In the Startup and Recovery section click Settings This opens the Startup and Recovery window 4 Under the System Startup section uncheck the Time to display a list of operating systems checkbox or select the Time to display recovery option when needed checkbox and change the number ...

Страница 113: ...Solutions S8780A Wireless Device Solution E6680A Test Set Getting Started Guide 7 Troubleshooting The following topics can be found in this section Identifying Problems on page 114 Returning Your Test Set for Service on page 115 ...

Страница 114: ...he instrument restart the Windows operating system 2 A source of valuable information is the Event Viewer which can be opened from the Windows Start menu enter the name Event Viewer in the search field to locate this utility Figure 7 1 Event Viewer The Event Viewer window makes it possible to find information on recent administrative events such as errors and warnings Look under Applications and S...

Страница 115: ...o order replacement parts contact the nearest Keysight Technologies office listed under Locations for Keysight Technologies on page 116 In any correspondence or telephone conversations refer to your test set by its product number full serial number and software revision To access your product information select System Information on the System menu this relates mainly to installed software and lic...

Страница 116: ...a Pacific Australia 1 800 629 485 China 800 810 0189 Hong Kong 800 938 693 India 1 800 112 929 Japan 0120 421 345 Korea 080 769 0800 Malaysia 1 800 888 848 Singapore 1 800 375 8100 Taiwan 0800 047 866 Other Asia Pacific countries 65 6375 8100 Europe Middle East Austria 0800 001122 Belgium 0800 58580 Finland 0800 523252 France 0805 980333 Germany 0800 6270999 Ireland 1800 832700 Israel 1 809 343051...

Страница 117: ...This information is subject to change without notice Keysight Technologies 2020 Edition 1 November 2020 www keysight com ...

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