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Rohde & Schwarz DVMS4, Getting Started

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Rohde & Schwarz DVMS4 Getting Started Download Page 55

Maintenance

R&S

®

 DVMS4

49

Getting Started 2113.7625.02 ─ 10

9

 

Maintenance

The R&S

 

DVMS does not need periodic maintenance. Clean the outside of the instru-

ment when necessary and check the rated data from time to time.

If any problem arises, contact one of our customer support centers. The addresses of
our customer support centers are provided at the beginning of this manual.

9.1

 

Cleaning the Instrument

Shock hazard

Before cleaning the R&S

 

DVMS, make sure that the R&S

 

DVMS is disconnected from

all power supplies.

1. Clean the outside of the R&S

 

DVMS using a soft, lint–free dust cloth.

2. Make sure that vents are unobstructed.

Instrument damage caused by cleaning agents

Cleaning agents contain substances that can damage the R&S

 

DVMS, e.g. cleaning

agents that contain a solvent can damage the front panel labeling or plastic parts.
Never use cleaning agents such as solvents (thinners, acetone, etc.), acids, bases, or
other substances.

9.2

 

Replacing the Fuses

The R&S

 

DVMS is protected by two fuses (IEC

 

127

 

– T

 

3.15

 

H/250

 

V) that are a part of

the AC power connector.

Shock hazard

Before replacing a fuse, make sure that the R&S

 

DVMS is disconnected from all power

supplies.
Always use fuses supplied by Rohde & Schwarz as spare parts, or fuses of the same
type and rating.

Replacing the Fuses

Summary of Contents for DVMS4

Page 1: ...R S DVMS4 DTV Monitoring System Getting Started Getting Started Version 10 2113762502 E ÚI2 ...

Page 2: ...r valuable contribution to embedded computing 2019 Rohde Schwarz GmbH Co KG Mühldorfstr 15 81671 München Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 Email info rohde schwarz com Internet www rohde schwarz com Subject to change Data without tolerance limits is not binding R S is a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners 2113 7625 02 Version 1...

Page 3: ...sic Safety Instructions and the product documentation in a safe place and pass them on to the subsequent users Riesgo de lesiones y daños en el instrumento El instrumento se debe usar de manera adecuada para prevenir descargas eléctricas incendios lesiones o daños materiales No abrir la carcasa del instrumento Lea y cumpla las Instrucciones de seguridad elementales suministradas con el instrumento...

Page 4: ...die Produktdokumentation gut auf und geben Sie diese an weitere Benutzer des Produkts weiter Risque de blessures et d endommagement de l appareil L appareil doit être utilisé conformément aux prescriptions afin d éviter les électrocutions incendies dommages corporels et matériels N ouvrez pas le boîtier de l appareil Lisez et respectez les consignes de sécurité fondamentales fournies avec l appare...

Page 5: ...the instruments according to their size with the largest instrument on the bottom Do not stack more than three in struments directly on top of each other Instruments may only be stacked if their feet and housing allow horizon tal stacking If these conditions are not met the instru ments must be installed in a rack in order to avoid the risk of personal injury and ma terial damage Incorrect order I...

Page 6: ...os por orden de su tamaño No amontonar nunca más de tres aparatos uno sobre el otro Los aparatos solamente deberán ser amontonados si los piés y la caja del aparato correspondiente hacen posible amontonarlos de forma horizontal Si no se cumplen estas con diciones deberán ser montados los aparatos en una caja apta para este propósito De esta manera evitarán el riesgo de daños en perso nas y daños e...

Page 7: ...e der Größe nach stapeln Nicht mehr als drei Geräte direkt übereinander stellen Geräte dürfen nur gestapelt werden wenn Gerätefüße und Gehäuseteile waa gerechtes Stapeln ermöglichen Wenn diese Bedingungen nicht erfüllt sind müssen die Geräte in ein Gestell eingebaut werden So vermei den Sie das Risiko von Personenschäden und Schäden am Gerät falsche Reihenfolge inkompatible Füße zu viele Geräte ge...

Page 8: ...e placés sur une surface stable et plane et empilés en fonction de leur taille sans jamais dépasser trois appareils Empiler uniquement des appareils dont les pieds et boîtiers permettent un positionnement horizontal En cas d impossibilité les appareils doivent êtres intégrés dans une baie afin d éviter des dom mages corporels et matériels mauvaise séquence pieds incompatibles trop d appareils empi...

Page 9: ...sories 11 2 1 4 Warranty Conditions 11 2 2 Putting Up the Instrument 11 2 2 1 Placing the Instrument on a Bench Top 11 2 2 2 Mounting the Instrument in a Rack 12 3 Interfaces and Connectors 13 3 1 Front Panel 13 3 1 1 Display 13 3 1 2 Keys 14 3 1 3 Status Display LEDs 14 3 2 Rear Panel 15 3 2 1 AC Power Supply Connector 15 3 2 2 LAN Interface 15 3 2 3 USB Interfaces 16 3 2 4 TS Interface 16 3 2 5 ...

Page 10: ...Rate of the Connected TS 30 6 5 2 Checking the Net Bit Rate of the Connected TS 31 6 5 3 Activating the Monitoring Error for TS Bit Rate Monitoring 33 6 5 4 Checking the Content of the PSI Table PAT 34 7 Operating the R S DVMS in a LAN 36 7 1 Connecting the R S DVMS to the Network 37 7 2 Connecting the R S DVMS to a Computer 37 7 2 1 Windows 7 Operating System 37 7 2 2 Other Operating Systems 38 7...

Page 11: ...ntents R S DVMS4 5 Getting Started 2113 7625 02 10 8 3 2 Backup and Restore Application 45 9 Maintenance 49 9 1 Cleaning the Instrument 49 9 2 Replacing the Fuses 49 9 3 Storing the Instrument 50 Index 51 ...

Page 12: ...Contents R S DVMS4 6 Getting Started 2113 7625 02 10 ...

Page 13: ...and gives instructions how to prevent personal injury or damage caused by dangerous situations Safety information is provided as follows In the Basic Safety Instructions safety issues are grouped according to subjects For example one subject is electrical safety The Basic Safety Instructions are delivered with the R S DVMS in different languages Throughout the documentation safety instructions are...

Page 14: ...e Help directory is also updated 1 4 Product Documentation Getting started This manual is delivered with the R S DVMS in printed form It is an excerpt from the user manual see below and provides the information needed to set up the R S DVMS and start working with it Also a sample application is described For instructions on installation see the release notes The printed getting started manual also...

Page 15: ...s program code File names commands coding samples and screen output are distinguished by their font Input Input to be entered by the user is displayed in italics Links Links are displayed in blue font References References to other parts of the documentation are enclosed by parentheses Conventions for procedure descriptions When describing how to operate the R S DVMS several alternative methods ma...

Page 16: ...the shipping container and cushioning material for damage 2 Unpack the cardboard box see Chapter 2 1 2 Unpacking the Cardboard Box on page 10 3 Check the housing and handle for visible damages or loose parts 2 1 2 Unpacking the Cardboard Box Proceed as follows 1 Open the cardboard box 2 Remove the accessories packed into the box 3 Take the instrument out of the packaging 4 Remove the shock protect...

Page 17: ...does not exceed the range specified in the data sheet All fan openings are unobstructed and the airflow perforations are unimpeded The minimum distance from the wall is at least 10 cm Failure to meet these conditions can damage the instrument or other devices in the test setup If necessary use proper protective equipment to protect DUTs against electrostatic dis charge in the event of human contac...

Page 18: ...ing on top of the instrument if the instrument is not in a level position Before folding out the feet at the instrument bottom read the safety instructions for instruments with fold out feet at the beginning of this manual carefully 2 2 2 Mounting the Instrument in a Rack The R S DVMS is designed for installation in a 19 rack mount The rack adapter is already integrated in the cabinet of the R S D...

Page 19: ...ut levels are not exceeded warm up does not affect normal operation 3 1 Front Panel This chapter gives a short overview of the status displays and connectors on the front panel The inscriptions on your R S DVMS match the captions of the connector descriptions Figure 3 1 Front panel view 3 1 1 Display Displays basic information on the R S DVMS on several pages for example firmware version serial nu...

Page 20: ...s the unit is also displayed Switches the marked status parameters on off On Off state Confirms OK and closes message windows 3 1 3 Status Display LEDs The basic status is indicated by LEDs 3 1 3 1 POWER Displays the power supply status LED off No power is supplied R S DVMS is switched off LED green Power is supplied Further information Chapter 3 2 1 AC Power Supply Connector on page 15 3 1 3 2 RE...

Page 21: ...l view example 3 2 1 AC Power Supply Connector Further information Chapter 4 1 Connecting to the AC Power Supply on page 24 Chapter 5 Switching On or Off the Instrument on page 26 Chapter 9 2 Replacing the Fuses on page 49 3 2 2 LAN Interface The 1 gigabit LAN interface 1000 Base T can be used to connect the R S DVMS to a local network for remote control printouts and data transfer The assignment ...

Page 22: ...SB 3 0 interface supplies up to 900 mA Further information Chapter 4 2 Connecting External Devices on page 24 Electromagnetic interference EMI can affect the measurement results To avoid any impact make sure that the following conditions are met Use suitable double shielded cables Do not use USB connecting cables exceeding 1 m Use only USB devices that remain within the permissible EMI limits 3 2 ...

Page 23: ...ch as RF frequency offset TS bit rate or PCR drift offset To activate this input use the Setup menu For details refer to the user manual or help system 3 2 4 4 1 PPS REF IN This BNC jack is used as input for the 1PPS 1 pulse per second reference pulse The 1PPS reference pulse input of the R S DVMS is used for measuring the network delay in DVB T distribution networks Use a signal derived from an e...

Page 24: ...yellow Input is used for monitoring but synchronization cannot be achieved TS IN This BNC socket is used to feed in an MPEG2 transport stream signal conforming to the DVB ASI EN 50083 9 2002 or SMPTE SMPTE 310M interface standards An LED indicates the TS IN status LED off Input is not used for monitoring LED green Input is used for monitoring Synchronization state is valid for the trans port strea...

Page 25: ...atus LED off Input is not used for monitoring LED green Input is used for monitoring Synchronization state is valid for both RF signal and related transport stream LED yellow Input is used for monitoring but synchronization cannot be achieved TS IN This BNC socket is used to feed in an MPEG2 transport stream signal conforming to the DVB ASI EN 50083 9 2002 or SMPTE SMPTE 310M interface standards A...

Page 26: ...faces tab see the user manual or help system RF IN This BNC socket female connector DVMS is used to feed in an RF signal conform ing to the DVB T2 ETSI EN 302 755 standard An LED indicates the RF IN status LED off Input is not used for monitoring LED green Input is used for monitoring Synchronization state is valid for both RF signal and related transport stream LED yellow Input is used for monito...

Page 27: ...is not off or flashing To help locating a connector socket you can let its status LED flash blue Instrument Configuration dialog Signal Interfaces tab see the user manual or help system RF IN This F socket female connector DVMS is used to feed in an RF signal conforming to the DVB S EN 300421 DVB S2 EN 302307 or DIRECTV legacy modulation standards An LED indicates the RF IN status LED off Input is...

Page 28: ...1 and TS IN OUT 2 Each of these two BNC sockets is used either as input or output for MPEG2 transport streams If used as an input feed in an MPEG2 transport stream signal conforming to the DVB ASI EN 50083 9 2002 or SMPTE SMPTE310M interface standards If used as an output this socket provides an MPEG2 transport stream signal conforming to the DVB ASI EN 50083 9 2002 interface standard The output c...

Page 29: ...ct Signal Interface See the user manual or help system The assignment of the RJ45 connector supports twisted pair category 7 STP cables in a star configuration STP for shielded twisted pair Two LEDs indicate the status of the LAN connection Yellow LED left LED off Connection speed is 10 Mbit s or 100 Mbit s LED on steady Connection speed is 1000 Mbit s Green LED right LED off No connection LED on ...

Page 30: ...ta sheet for the requirements of voltage and frequency Shock hazard Observe the basic safety instructions at the beginning of this manual especially the instructions on electrical safety 1 If you use the S S2 receiver module R S DVMS B51 connect this module before switching on the R S DVMS see Chapter 3 2 8 S S2 Receiver Module R S DVMS B51 on page 21 2 Connect the R S DVMS to the AC power supply ...

Page 31: ...e to the R S DVMS at any time All USB devices are Plug Play Windows 7 automatically searches for a suitable device driver 2 If Windows 7 does not find a suitable driver it prompts you to specify a directory that contains the driver software If the driver software is on a CD ROM connect a USB CD ROM drive to the R S DVMS before proceeding Before connecting an external device that is not a USB devic...

Page 32: ...s are correctly connected and are not overloaded Failure to meet these conditions can damage the instrument or other devices in the test setup To switch on the R S DVMS Connect the R S DVMS to the AC power supply as described in Chapter 4 1 Connecting to the AC Power Supply on page 24 The LED under POWER changes to green The R S DVMS starts booting The front panel display shows the boot screen wit...

Page 33: ...R S DVMS stores the current configuration settings automatically The R S DVMS starts booting again 3 When the front panel display shows the boot screen disconnect the R S DVMS from the AC power supply All LEDs on the front panel go out 5 3 Checking the Provided Software Options The R S DVMS can be equipped with software options To check whether the installed options correspond to the options indic...

Page 34: ... a TS generator i e R S DVSG or by any other DVB compliant TS ASI source The R S DVMS is locally operated by using an LCD monitor DVI input required at least 1024 x 768 pixels and a USB mouse 6 2 Setting Up the R S DVMS The required connectors are on the rear panel of the R S DVMS For details on the connectors see Chapter 3 Interfaces and Connectors on page 13 1 Connect the TS ASI output of the TS...

Page 35: ...ialog 5 Under Monitoring Configuration select Config DVB 6 4 Checking the TS Synchronization Before any measurement can be performed the TS synchronization within the R S DVMS TS analyzer must achieve the Locked state To check the current state perform the following steps 1 In the toolbar click View Selector 2 In the View Selector dialog click the icon for the statistics log measurement 3 Click Co...

Page 36: ...nel the LED corresponding to the TS IN input switches to yellow The following measurements can only be performed if TS synchronization is in the Locked state 6 5 Performing the Measurement Since the measurement results strongly depend on the content of the TS input signal the following examples use basic parameters and measurements valid for all kind of MPEG2 TS signals 6 5 1 Checking the Gross Bi...

Page 37: ...port stream packets per second including TS packet header and TS packet payload 6 5 2 Checking the Net Bit Rate of the Connected TS To check the net bit rate value of the TS you have to change the calculation method for the TS bit rate measurement from gross to net values 1 In the toolbar select Monitoring Configuration 2 Select the Extended Checks I tab On this tab you can see all settings for bi...

Page 38: ...fault settings for the monitoring TS bit rate To modify the calculation method do the following a Activate the TS option b Open the Profile list and select the MGB1 payld 1 1 predefined setting 5 Click OK to close the configuration dialog The monitoring view is displayed 6 In the TS ID XXXX line max min column read the current net bit rate of the connected TS in this example Figure 6 2 XXXX 2018 P...

Page 39: ...ivate monitoring errors by changing the monitoring limit of the parameter TS bit rate 1 In the toolbar select Monitoring Configuration 2 Select the Extended Checks I tab see Figure 6 1 In the second line in the Upper Bit Rate field set the limit to a value of approx 1 Mbit s below the current TS bit rate as checked in Chapter 6 5 2 Checking the Net Bit Rate of the Connected TS on page 31 3 Click O...

Page 40: ...re added but the Statistics Counter is incremented When the monitoring error disappears a new log entry is inserted informing you that the error has disappeared and how long the error has lasted For further details see the user manual or help system 9 Stop reporting the monitoring faults by deactivating the TS bit rate monitoring a In the toolbar select Monitoring Configuration b Select the Extend...

Page 41: ...Table PES T2 MI interpreter 3 Under INPUT expand the PSI SI node and select the PAT element 1 Network PID NIT referenced by program number 0 2 Program map PID PMT referenced by program number 1 The results pane shows the content of the PAT in tabular form For details see user manual or help system program association table PAT Performing the Measurement ...

Page 42: ...rewall configuration is adapted accordingly you can use the interface for example for Transferring data Printing on network printers Operating controlling the R S DVMS from a remote computer To use network resources access must be granted To share files on the R S DVMS with other network users access to instrument resources e g the hard drives must also be granted All these administration tasks ar...

Page 43: ...g so can damage the instrument software To connect the R S DVMS to the network 1 Fulfill all prerequisites mentioned above 2 Make sure to switch off the R S DVMS This way you ensure that the R S DVMS detects the network connection reliably and works without any disruptions 3 Connect the R S DVMS to the network using a CAT 7 RJ 45 cable To disconnect the R S DVMS from the network 1 Make sure to swi...

Page 44: ...ss 7 3 Configuring the Network Card Under Windows 7 network card drivers do not need to be installed separately If the R S DVMS is connected to the LAN Windows 7 automatically detects the network connection and activates the required drivers The configuration tasks depend on whether your network has a DHCP server or not If necessary ask your network administrator If you are not familiar with LAN c...

Page 45: ...or The IP address is set using the Windows 7 Start menu For details see the Windows 7 help system 7 4 Firewall Settings By default the Windows firewall is activated to protect the R S DVMS from an attack of hostile users and programs The Windows firewall suppresses all network communi cation which is not initialized by the R S DVMS itself or which is not defined as an exception To enable data tran...

Page 46: ...the set tings do not conform to the default settings Risk of causing instrument unusability To prevent malfunctions and to avoid instrument repair only install service packs approved by Rohde Schwarz In particular do not use service packs for other Windows 7 editions 8 1 1 Login Windows 7 requires that you identify yourself by entering a user name and password in a login window The R S DVMS provid...

Page 47: ...Existing instrument software must always be modified using only update software released by Rohde Schwarz 8 3 Backup and Restore of the System Partition Before you start a backup or restore of the system partition make sure that the hard ware watchdog is disabled See Chapter 8 3 1 Prerequisite for Backup and Restore on page 41 8 3 1 Prerequisite for Backup and Restore As a prerequisite for the bac...

Page 48: ...S DVMS4 42 Getting Started 2113 7625 02 10 Tip The navigation in the BIOS settings is explained in the lower right pane 4 Select the Advanced tab 5 Select HW Monitor 6 Press ENTER Backup and Restore of the System Partition ...

Page 49: ...ftware R S DVMS4 43 Getting Started 2113 7625 02 10 Watchdog Timeout is already selected 7 Press ENTER to open the Watchdog Timeout dialog 8 Select Disabled 9 Press ENTER Backup and Restore of the System Partition ...

Page 50: ...44 Getting Started 2113 7625 02 10 10 Select the Save Exit tab Save Changes and Exit is already selected 11 Press ENTER 12 Press ENTER to save the changes and proceed with the system boot Backup and Restore of the System Partition ...

Page 51: ...choose between various states Factory default state If for example the system crashes you can restore the factory default state Intermediate states that you have saved For example you can back up the current system partition before a firmware update or provide different system configurations for different environments In the restore process the system partition is deleted formatted and written new...

Page 52: ...R S DVMS4 46 Getting Started 2113 7625 02 10 The main dialog is displayed It provides access to all functions of the backup and restore application Figure 8 1 Main dialog example Backup and Restore of the System Partition ...

Page 53: ...ion 1 In the main dialog see Figure 8 1 select Create Backup The Create Backup dialog is displayed Under Description the current version of the firmware is displayed 2 Enter a name for the backup and the date If necessary you can add information to the description 3 Select Start Backup During the backup process a progress information dialog is displayed You can ter minate at any time Cancel After ...

Page 54: ...ring process a progress information dialog is displayed You can terminate at any time Cancel After the process has been finished the application is closed automatically and the R S DVMS is restarted Note If you activate Keep open when finished the progress information dialog remains open until you close it 8 3 2 3 Deleting a Backup Using this function you can delete the selected instrument install...

Page 55: ...the R S DVMS using a soft lint free dust cloth 2 Make sure that vents are unobstructed Instrument damage caused by cleaning agents Cleaning agents contain substances that can damage the R S DVMS e g cleaning agents that contain a solvent can damage the front panel labeling or plastic parts Never use cleaning agents such as solvents thinners acetone etc acids bases or other substances 9 2 Replacing...

Page 56: ...red for a longer period of time it must be protected against dust Repack the R S DVMS as it was originally packed when transporting or shipping The two protective foam plastic parts prevent the control elements and connectors from being damaged The antistatic packing foil avoids any undesired electrostatic charging to occur If you do not use the original packaging provide for sufficient padding to...

Page 57: ...5 USB 16 Conventions 9 Creating a basic configuration example 28 Cursor keys 14 D Designated purpose 7 DNARROW key 14 Documentation 8 Getting started 8 On the R S DVMS 8 Online help 8 User manual 8 DVB T H receiver module 17 DVB T T2 receiver module 18 DVB T2 receiver module 20 E Electromagnetic interference 24 External devices 24 F FAULT status display 14 Firewall settings 39 Firmware Options 27 ...

Page 58: ... RIGHTARROW key 14 S S S2 receiver module 21 Safety information 7 Sample application 28 Activating the TS bit rate monitoring 33 Checking the gross bit rate 30 Checking the net bit rate 31 Checking the PSI table PAT 34 Checking the TS synchronization 29 Creating a basic configuration 28 Requirements 28 Setup 28 Shipping damage inspection 10 Software Installing 41 Software options Installing 40 Sta...

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