R&S FSPN User manual

R&S®FSPN
Phase Noise Analyzer and VCO
Tester
User Manual
1179436302
Version 01
(;Ý[Í2)

This document describes the following R&S®FSPN models:
●R&S®FSPN8 (1322.8003K06)
●R&S®FSPN26 (1322.8003K24)
© 2021 Rohde & Schwarz GmbH & Co. KG
Mühldorfstr. 15, 81671 München, Germany
Phone: [phone] - 0
Email: [email protected]
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.
1179.4363.02 | Version 01 | R&S®FSPN
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol, e.g. R&S®FSPN is indicated as
R&S FSPN.

Contents
R&S®FSPN
3User Manual 1179.4363.02 ─ 01
Contents
1 Safety and Regulatory Information.....................................................11
1.1 Safety Instructions...................................................................................................... 11
1.2 Warning Messages in the Documentation................................................................ 13
1.3 Korea Certification Class A........................................................................................14
2 Documentation Overview....................................................................15
2.1 Getting Started Manual...............................................................................................15
2.2 User Manuals and Help...............................................................................................15
2.3 Service Manual............................................................................................................ 15
2.4 Instrument Security Procedures................................................................................16
2.5 Printed Safety Instructions........................................................................................ 16
2.6 Data Sheets and Brochures....................................................................................... 16
2.7 Release Notes and Open Source Acknowledgment (OSA).....................................16
2.8 Application Notes, Application Cards, White Papers, etc.......................................16
3 Getting Started..................................................................................... 17
3.1 Preparing for Use........................................................................................................ 17
3.1.1 Lifting and Carrying....................................................................................................... 17
3.1.2 Unpacking and Checking.............................................................................................. 17
3.1.3 Choosing the Operating Site......................................................................................... 17
3.1.4 Setting Up the R&S FSPN............................................................................................ 18
3.1.5 Connecting the AC Power.............................................................................................19
3.1.6 Switching the Instrument On and Off............................................................................ 20
3.1.7 Connecting to LAN........................................................................................................ 21
3.1.8 Connecting a Keyboard.................................................................................................22
3.1.9 Connecting an External Monitor....................................................................................23
3.1.10 Windows Operating System..........................................................................................24
3.1.11 Logging On....................................................................................................................26
3.1.12 Checking the Supplied Options.....................................................................................27
3.1.13 Performing a Self-Alignment......................................................................................... 27
3.1.14 Considerations for Test Setup....................................................................................... 28
3.2 Instrument Tour...........................................................................................................29
3.2.1 Front Panel View...........................................................................................................29

Contents
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4User Manual 1179.4363.02 ─ 01
3.2.2 Rear Panel View............................................................................................................37
3.3 Operating the Instrument........................................................................................... 41
3.3.1 Understanding the Display Information......................................................................... 41
3.3.2 Accessing Functions..................................................................................................... 50
3.3.3 Changing the Focus...................................................................................................... 53
3.3.4 Entering Data................................................................................................................ 53
3.3.5 Displaying Results.........................................................................................................56
3.3.6 Remote Control............................................................................................................. 63
3.4 Trying Out the Instrument.......................................................................................... 64
3.4.1 Initial Setup................................................................................................................... 65
3.4.2 Measurements.............................................................................................................. 66
3.4.3 Result Evaluation.......................................................................................................... 70
3.4.4 Measurement Configuration..........................................................................................76
4 Applications..........................................................................................79
4.1 R&S MultiView............................................................................................................. 79
4.2 Running a Sequence of Measurements.................................................................... 80
4.2.1 The Sequencer Concept............................................................................................... 80
4.2.2 Sequencer Settings.......................................................................................................81
4.2.3 How to Set Up the Sequencer.......................................................................................81
5 Measurements and Result Displays...................................................83
5.1 Basics on Phase Noise Measurements.....................................................................83
5.1.1 Residual Effects............................................................................................................ 83
5.2 Performing Measurements.........................................................................................84
5.3 Selecting Measurements............................................................................................ 86
5.4 Result Displays........................................................................................................... 87
6 Common Measurement Settings........................................................ 97
6.1 Configuration Overview..............................................................................................97
6.2 Input Source................................................................................................................ 99
6.2.1 RF Input........................................................................................................................ 99
6.2.2 Baseband Input........................................................................................................... 100
6.3 Level Characteristics................................................................................................ 101
6.3.1 Signal Attenuation....................................................................................................... 101

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6.3.2 Amplitude Characteristics........................................................................................... 102
6.3.3 Diagram Scale.............................................................................................................104
6.4 Frequency.................................................................................................................. 105
6.5 Noise Measurement Configuration..........................................................................110
6.5.1 Triggered Measurements (Phase Noise CW)..............................................................110
6.5.2 Measurement Range...................................................................................................110
6.5.3 Noise Configuration..................................................................................................... 111
6.5.4 Integrated Measurement Configuration.......................................................................116
6.5.5 Spot Noise Information................................................................................................119
6.5.6 Spur Display................................................................................................................120
6.5.7 Frequency Stability Configuration............................................................................... 122
6.6 DC Source Configuration......................................................................................... 123
6.7 VCO Characterization Configuration.......................................................................126
6.7.1 Sweep Configuration...................................................................................................127
6.7.2 Trace Configuration.....................................................................................................129
6.8 Spot Noise vs Tune Configuration...........................................................................130
6.8.1 Trace Configuration.....................................................................................................130
6.9 PN Transient Analysis Configuration......................................................................131
6.9.1 Frequency Configuration.............................................................................................132
6.9.2 Trigger Configuration...................................................................................................133
6.9.3 Data Acquisition.......................................................................................................... 136
6.9.4 Amplitude Configuration..............................................................................................137
6.9.5 Diagram Scale.............................................................................................................138
6.9.6 Settling Time............................................................................................................... 140
6.9.7 Frequency Deviation................................................................................................... 140
6.9.8 Trace Configuration.....................................................................................................141
6.9.9 Marker Configuration...................................................................................................141
6.9.10 Limit Lines................................................................................................................... 142
7 Common Analysis and Display Functions...................................... 143
7.1 Result Display Configuration...................................................................................143
7.1.1 Basic Result Displays..................................................................................................143
7.1.2 Laying out the Result Display with the SmartGrid.......................................................143
7.2 Zoomed Displays...................................................................................................... 147

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6User Manual 1179.4363.02 ─ 01
7.2.1 Single Zoom Versus Multiple Zoom............................................................................ 147
7.2.2 Zoom Functions.......................................................................................................... 149
7.2.3 How to Zoom Into a Diagram...................................................................................... 150
7.3 Trace Configuration.................................................................................................. 152
7.3.1 Basics on Traces.........................................................................................................152
7.3.2 Trace Configuration.....................................................................................................155
7.3.3 Trace Export and Import..............................................................................................158
7.3.4 Copying Traces........................................................................................................... 162
7.3.5 Trace Math.................................................................................................................. 163
7.3.6 Trace Labels................................................................................................................163
7.3.7 How to Configure Traces.............................................................................................164
7.3.8 References..................................................................................................................165
7.4 Markers...................................................................................................................... 165
7.4.1 Basics on Markers and Marker Functions...................................................................165
7.4.2 Marker Settings........................................................................................................... 167
7.4.3 Marker Search Settings and Positioning Functions.................................................... 171
7.5 Limit Lines................................................................................................................. 174
7.5.1 Basics on Limit Lines.................................................................................................. 174
7.5.2 Limit Line Settings and Functions............................................................................... 177
7.5.3 How to Define Limit Lines........................................................................................... 181
8 Data Management.............................................................................. 185
8.1 Restoring the Default Instrument Configuration (Preset)..................................... 185
8.2 Storing and Recalling Instrument Settings and Measurement Data.................... 186
8.2.1 Quick Save/Quick Recall.............................................................................................187
8.2.2 Configurable Storage and Recall................................................................................ 189
8.2.3 How to Save and Load Instrument Settings................................................................194
8.3 Import/Export Functions.......................................................................................... 195
8.4 Creating Screenshots of Current Measurement Results and Settings................197
8.4.1 Print and Screenshot Settings.....................................................................................197
8.4.2 How to Store or Print Screenshots of the Display....................................................... 206
9 General Instrument Setup................................................................. 210
9.1 Alignment...................................................................................................................210
9.1.1 Basics on Alignment....................................................................................................210

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7User Manual 1179.4363.02 ─ 01
9.1.2 Alignment Settings...................................................................................................... 212
9.1.3 How to Perform a Self-Test......................................................................................... 215
9.1.4 How to Align the Instrument........................................................................................ 215
9.1.5 How to Align the Touchscreen.....................................................................................216
9.2 Display Settings........................................................................................................ 216
9.2.1 Display Settings.......................................................................................................... 216
9.2.2 How to Configure the Colors for Display and Printing.................................................225
9.2.3 How to Work with the Soft Front Panels......................................................................226
9.3 Reference Frequency Settings................................................................................ 227
9.4 System Configuration Settings................................................................................230
9.4.1 Hardware Information..................................................................................................230
9.4.2 Information on Versions and Options.......................................................................... 231
9.4.3 System Messages.......................................................................................................232
9.4.4 Firmware Updates.......................................................................................................233
9.4.5 General Configuration Settings................................................................................... 235
9.5 Service Functions..................................................................................................... 236
9.5.1 R&S Support Information............................................................................................ 236
9.5.2 Self-test Settings and Results..................................................................................... 237
9.5.3 Calibration Signal Display........................................................................................... 238
9.5.4 Service Functions........................................................................................................240
9.5.5 Hardware Diagnostics................................................................................................. 241
10 Network and Remote Operation....................................................... 243
10.1 Remote Control Basics.............................................................................................243
10.1.1 Remote Control Interfaces and Protocols................................................................... 243
10.1.2 SCPI (Standard Commands for Programmable Instruments).....................................251
10.1.3 VISA Libraries............................................................................................................. 252
10.1.4 Messages....................................................................................................................252
10.1.5 SCPI Command Structure...........................................................................................253
10.1.6 Command Sequence and Synchronization.................................................................261
10.1.7 Status Reporting System............................................................................................ 263
10.1.8 General Programming Recommendations..................................................................278
10.2 The IECWIN Tool........................................................................................................279
10.3 Network and Remote Control Settings................................................................... 280

Contents
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8User Manual 1179.4363.02 ─ 01
10.3.1 General Network Settings........................................................................................... 280
10.3.2 GPIB Settings..............................................................................................................282
10.3.3 Compatibility Settings..................................................................................................285
10.3.4 LAN Settings............................................................................................................... 286
10.3.5 Remote Errors.............................................................................................................288
10.3.6 Returning to Manual Mode ("Local")........................................................................... 289
10.4 How to Set Up a Network and Remote Control...................................................... 290
10.4.1 How to Configure a Network....................................................................................... 291
10.4.2 How to Operate the Instrument Without a Network.....................................................297
10.4.3 How to Log on to the Network.....................................................................................297
10.4.4 How to Share Directories (only with Microsoft Networks)........................................... 300
10.4.5 How to Control the R&S FSPN via the Web Browser Interface.................................. 300
10.4.6 How to Deactivate the Web Browser Interface............................................................301
10.4.7 How to Set Up Remote Desktop................................................................................. 302
10.4.8 How to Start a Remote Control Session from a PC.................................................... 309
10.4.9 How to Return to Manual Operation............................................................................310
11 Remote Control.................................................................................. 311
11.1 Conventions Used in SCPI Command Descriptions..............................................311
11.2 Common Suffixes......................................................................................................312
11.3 Common Commands................................................................................................ 312
11.4 Selecting the Operating Mode and Application..................................................... 316
11.4.1 Selecting Mode and Applications................................................................................316
11.4.2 Performing a Sequence of Measurements..................................................................319
11.4.3 Programming Example: Performing a Sequence of Measurements...........................321
11.5 Measurements and Result Displays........................................................................323
11.5.1 Measurement Selection.............................................................................................. 323
11.5.2 Performing Measurements..........................................................................................325
11.5.3 Querying Results.........................................................................................................327
11.5.4 Programming Examples..............................................................................................336
11.6 Common Measurement Settings............................................................................. 337
11.6.1 Remote Commands to Configure the Input Source.................................................... 337
11.6.2 Output......................................................................................................................... 339
11.6.3 Remote Commands to Configure User Ports..............................................................348

Contents
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9User Manual 1179.4363.02 ─ 01
11.6.4 Remote Commands to Configure Level Characteristics............................................. 350
11.6.5 Remote Commands to Configure the Frequency........................................................356
11.6.6 Phase Noise Measurement Configuration.................................................................. 360
11.6.7 VCO Characterization Configuration...........................................................................379
11.6.8 Spot Noise vs Tune Configuration...............................................................................382
11.6.9 Transient Analysis.......................................................................................................386
11.7 Common Analysis and Display Functions............................................................. 402
11.7.1 Display Configuration..................................................................................................402
11.7.2 Zoom........................................................................................................................... 410
11.7.3 Trace Configuration.....................................................................................................413
11.7.4 Marker......................................................................................................................... 425
11.7.5 Limit Lines...................................................................................................................438
11.8 Managing Settings and Results...............................................................................450
11.8.1 Managing Files............................................................................................................450
11.8.2 Selecting Items to Store..............................................................................................456
11.8.3 Saving and Loading Instrument Settings.................................................................... 459
11.8.4 Storing and Printing Screenshots................................................................................462
11.8.5 Saving Measurement Results..................................................................................... 473
11.8.6 Examples: Managing Data..........................................................................................474
11.9 Configuring the R&S FSPN...................................................................................... 477
11.9.1 Basic Instrument Setup...............................................................................................477
11.9.2 Configuring the Reference Frequency........................................................................ 478
11.9.3 Calibrating the R&S FSPN and Checking Temperature..............................................483
11.9.4 Customizing the Screen Layout.................................................................................. 486
11.9.5 Configuring Network and Remote Control.................................................................. 492
11.9.6 Configuring HUMS...................................................................................................... 497
11.9.7 Checking the System Configuration............................................................................503
11.9.8 Using Service Functions............................................................................................. 507
11.9.9 Reference: Command Set of 5052 Emulation.............................................................509
11.9.10 Reference: Command Set of Emulated PSA Models..................................................511
11.10 Using the Status Register........................................................................................ 515
11.10.1 General Status Register Commands.......................................................................... 515
11.10.2 Reading Out the CONDition Part................................................................................ 516

Contents
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10User Manual 1179.4363.02 ─ 01
11.10.3 Reading Out the EVENt Part.......................................................................................516
11.10.4 Controlling the ENABle Part........................................................................................517
11.10.5 Controlling the Negative Transition Part......................................................................518
11.10.6 Controlling the Positive Transition Part....................................................................... 518
11.11 Programming Examples........................................................................................... 519
11.11.1 Service Request..........................................................................................................519
12 Troubleshooting.................................................................................528
12.1 Collecting Information for Support..........................................................................528
12.2 Contacting Customer Support.................................................................................530
13 Transporting....................................................................................... 531
14 Maintenance, Storage, Transport and Disposal..............................532
14.1 Cleaning..................................................................................................................... 532
14.2 Storage.......................................................................................................................532
14.3 Transporting.............................................................................................................. 532
14.4 Disposal..................................................................................................................... 533
List of commands.............................................................................. 534
Index....................................................................................................546

Safety and Regulatory Information
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11User Manual 1179.4363.02 ─ 01
1 Safety and Regulatory Information
The product documentation helps you use the product safely and efficiently. Follow the
instructions provided here and in the Chapter 1.1, "Safety Instructions", on page 11.
Intended use
The product is intended for the development, production and verification of electronic
components and devices in industrial, administrative, and laboratory environments.
Use the product only for its designated purpose. Observe the operating conditions and
performance limits stated in the data sheet.
Target audience
Where do I find safety information?
Safety information is part of the product documentation. It warns you of potential dan-
gers and gives instructions on how to prevent personal injury or damage caused by
dangerous situations. Safety information is provided as follows:
●In Chapter 1.1, "Safety Instructions", on page 11. The same information is provi-
ded in many languages as printed "Safety Instructions". The printed "Safety
Instructions" are delivered with the product.
●Throughout the documentation, safety instructions are provided when you need to
take care during setup or operation.
1.1 Safety Instructions
Products from the Rohde & Schwarz group of companies are manufactured according
to the highest technical standards. To use the products safely, follow the instructions
provided here and in the product documentation. Keep the product documentation
nearby and offer it to other users.
Use the product only for its intended use and within its performance limits. Intended
use and limits are described in the product documentation such as the data sheet,
manuals and the printed "Safety Instructions". If you are unsure about the appropriate
use, contact Rohde & Schwarz customer service.
Using the product requires specialists or specially trained personnel. These users also
need sound knowledge of at least one of the languages in which the user interfaces
and the product documentation are available.
Never open the casing of the product. Only service personnel authorized by
Rohde & Schwarz are allowed to repair the product. If any part of the product is dam-
aged or broken, stop using the product. Contact Rohde & Schwarz customer service at
http://www.customersupport.rohde-schwarz.com.
Safety Instructions

Safety and Regulatory Information
R&S®FSPN
12User Manual 1179.4363.02 ─ 01
Lifting and carrying the product
The product is heavy. Do not move or carry the product by yourself. A single person
can only carry a maximum of 18 kg safely depending on age, gender and physical con-
dition. Look up the maximum weight in the data sheet. Use the product handles to
move or carry the product. Do not lift by the accessories mounted on the product.
Accessories are not designed to carry the weight of the product.
To move the product safely, you can use lifting or transporting equipment such as lift
trucks and forklifts. Follow the instructions provided by the equipment manufacturer.
Choosing the operating site
Only use the product indoors. The product casing is not waterproof. Water that enters
can electrically connect the casing with live parts, which can lead to electric shock,
serious personal injury or death if you touch the casing. If Rohde & Schwarz provides
accessories designed for your product, e.g. a carrying bag, you can use the product
outdoors.
Unless otherwise specified, you can operate the product up to an altitude of 2000 m
above sea level. The product is suitable for pollution degree 2 environments where
nonconductive contamination can occur. For more information on environmental condi-
tions such as ambient temperature and humidity, see the data sheet.
Setting up the product
Always place the product on a stable, flat and level surface with the bottom of the prod-
uct facing down. If the product is designed for different positions, secure the product so
that it cannot fall over.
If the product has foldable feet, always fold the feet completely in or out to ensure sta-
bility. The feet can collapse if they are not folded out completely or if the product is
moved without lifting it. The foldable feet are designed to carry the weight of the prod-
uct, but not an extra load.
If stacking is possible, keep in mind that a stack of products can fall over and cause
injury.
If you mount products in a rack, ensure that the rack has sufficient load capacity and
stability. Observe the specifications of the rack manufacturer. Always install the prod-
ucts from the bottom shelf to the top shelf so that the rack stands securely. Secure the
product so that it cannot fall off the rack.
Connecting to power
The product is an overvoltage category II product. Connect the product to a fixed
installation used to supply energy-consuming equipment such as household applian-
ces and similar loads. Keep in mind that electrically powered products have risks, such
as electric shock, fire, personal injury or even death.
Take the following measures for your safety:
●Before switching on the product, ensure that the voltage and frequency indicated
on the product match the available power source. If the power adapter does not
adjust automatically, set the correct value and check the rating of the fuse.
Safety Instructions

Safety and Regulatory Information
R&S®FSPN
13User Manual 1179.4363.02 ─ 01
●Only use the power cable delivered with the product. It complies with country-spe-
cific safety requirements. Only insert the plug into an outlet with protective conduc-
tor terminal.
●Only use intact cables and route them carefully so that they cannot be damaged.
Check the power cables regularly to ensure that they are undamaged. Also ensure
that nobody can trip over loose cables.
●If the product needs an external power supply, use the power supply that is deliv-
ered with the product or that is recommended in the product documentation or a
power supply that conforms to the country-specific regulations.
●Only connect the product to a power source with a fuse protection of maximum
20 A.
●Ensure that you can disconnect the product from the power source at any time.
Pull the power plug to disconnect the product. The power plug must be easily
accessible. If the product is integrated into a system that does not meet these
requirements, provide an easily accessible circuit breaker at the system level.
Cleaning the product
Use a dry, lint-free cloth to clean the product. When cleaning, keep in mind that the
casing is not waterproof. Do not use liquid cleaning agents.
Meaning of safety labels
Safety labels on the product warn against potential hazards.
Potential hazard
Read the product documentation to avoid personal injury or product damage.
Heavy product
Be careful when lifting, moving or carrying the product. Carrying the product requires a suffi-
cient number of persons or transport equipment.
Electrical hazard
Indicates live parts. Risk of electric shock, fire, personal injury or even death.
Hot surface
Do not touch. Risk of skin burns. Risk of fire.
Protective conductor terminal
Connect this terminal to a grounded external conductor or to protective ground. This connec-
tion protects you against electric shock if an electric problem occurs.
1.2 Warning Messages in the Documentation
A warning message points out a risk or danger that you need to be aware of. The sig-
nal word indicates the severity of the safety hazard and how likely it will occur if you do
not follow the safety precautions.
Warning Messages in the Documentation

Safety and Regulatory Information
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14User Manual 1179.4363.02 ─ 01
WARNING
Potentially hazardous situation. Could result in death or serious injury if not avoided.
CAUTION
Potentially hazardous situation. Could result in minor or moderate injury if not avoided.
NOTICE
Potential risks of damage. Could result in damage to the supported product or to other
property.
1.3 Korea Certification Class A
이 기기는 업무용(A급) 전자파 적합기기로서 판매자 또는 사용자는 이 점을 주의하시기
바라며, 가정외의 지역에서 사용하는 것을 목적으로 합니다.
Korea Certification Class A

Documentation Overview
R&S®FSPN
15User Manual 1179.4363.02 ─ 01
2 Documentation Overview
This section provides an overview of the R&S FSPN user documentation. Unless
specified otherwise, you find the documents on the R&S FSPN product page at:
www.rohde-schwarz.com/manual/FSPN
2.1 Getting Started Manual
Introduces the R&S FSPN and describes how to set up and start working with the
product. Includes basic operations, typical measurement examples, and general infor-
mation, e.g. safety instructions, etc.
A printed version is delivered with the instrument. A PDF version is available for down-
load on the Internet.
2.2 User Manuals and Help
The user manual contains the description of all instrument modes and functions. It also
provides an introduction to remote control, a complete description of the remote control
commands with programming examples, and information on maintenance, instrument
interfaces and error messages. Includes the contents of the getting started manual.
The contents of the user manual are available as help in the R&S FSPN. The help
offers quick, context-sensitive access to the complete information for the instrument
and its firmware.
The user manual is also available for download or for immediate display on the Inter-
net.
2.3 Service Manual
Describes the performance test for checking the rated specifications, module replace-
ment and repair, firmware update, troubleshooting and fault elimination, and contains
mechanical drawings and spare part lists.
The service manual is available for registered users on the global Rohde & Schwarz
information system (GLORIS):
https://gloris.rohde-schwarz.com
Service Manual

Documentation Overview
R&S®FSPN
16User Manual 1179.4363.02 ─ 01
2.4 Instrument Security Procedures
Deals with security issues when working with the R&S FSPN in secure areas. It is
available for download on the Internet.
2.5 Printed Safety Instructions
Provides safety information in many languages. The printed document is delivered with
the product.
2.6 Data Sheets and Brochures
The data sheet contains the technical specifications of the R&S FSPN. It also lists the
firmware applications and their order numbers, and optional accessories.
The brochure provides an overview of the instrument and deals with the specific char-
acteristics.
See www.rohde-schwarz.com/brochure-datasheet/FSPN
2.7 Release Notes and Open Source Acknowledgment
(OSA)
The release notes list new features, improvements and known issues of the current
firmware version, and describe the firmware installation.
The open-source acknowledgment document provides verbatim license texts of the
used open source software.
See www.rohde-schwarz.com/firmware/FSPN
2.8 Application Notes, Application Cards, White Papers,
etc.
These documents deal with special applications or background information on particu-
lar topics.
See www.rohde-schwarz.com/application/FSPN
Application Notes, Application Cards, White Papers, etc.

Getting Started
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17User Manual 1179.4363.02 ─ 01
3 Getting Started
Note: the following chapters are identical to those in the printed R&S FSPN Getting
Started manual.
3.1 Preparing for Use
Here, you can find basic information about setting up the instrument for the first time.
3.1.1 Lifting and Carrying
The carrying handles are designed to lift or carry the instrument. Do not apply exces-
sive external force to the handles.
See "Lifting and carrying the product" on page 12.
3.1.2 Unpacking and Checking
1. Unpack the R&S FSPN carefully.
2. Retain the original packing material. Use it when transporting or shipping the
R&S FSPN later.
3. Using the delivery notes, check the equipment for completeness.
4. Check the equipment for damage.
If the delivery is incomplete or equipment is damaged, contact Rohde & Schwarz.
3.1.3 Choosing the Operating Site
Specific operating conditions ensure proper operation and avoid damage to the prod-
uct and connected devices. For information on environmental conditions such as ambi-
ent temperature and humidity, see the data sheet.
See also "Choosing the operating site" on page 12.
Electromagnetic compatibility classes
The electromagnetic compatibility (EMC) class indicates where you can operate the
product. The EMC class of the product is given in the data sheet under "General data".
●Class B equipment is suitable for use in:
– Residential environments
– Environments that are directly connected to a low-voltage supply network that
supplies residential buildings
Preparing for Use

Getting Started
R&S®FSPN
18User Manual 1179.4363.02 ─ 01
●Class A equipment is intended for use in industrial environments. It can cause
radio disturbances in residential environments due to possible conducted and radi-
ated disturbances. It is therefore not suitable for class B environments.
If class A equipment causes radio disturbances, take appropriate measures to
eliminate them.
3.1.4 Setting Up the R&S FSPN
The R&S FSPN is designed for use on a bench top or in a rack.
See also:
●"Setting up the product" on page 12
●"Intended use" on page 11
3.1.4.1 Placing the Product on a Bench Top
To place the product on a bench top
1. Place the product on a stable, flat and level surface. Ensure that the surface can
support the weight of the product. For information on the weight, see the data
sheet.
2. WARNING! A stack of products can fall over and cause injury. Never stack more
than two products. Otherwise, mount them in a rack.
Stack as follows:
● All products must have the same dimensions (width and length).
● Do not exceed a total load of 50 kg placed on the product at the bottom of the
stack.
Left = Stacked correctly
Right = Stacked incorrectly, too many products
3. NOTICE! Overheating can damage the product.
Prevent overheating as follows:
Preparing for Use

Getting Started
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19User Manual 1179.4363.02 ─ 01
● Keep a minimum distance of 10 cm between the fan openings of the product
and any object in the vicinity.
● Do not place the product next to heat-generating equipment such as radiators
or other products.
3.1.4.2 Mounting the R&S FSPN in a Rack
To prepare the rack
1. Observe the requirements and instructions in "Setting up the product" on page 12.
2. NOTICE! Insufficient airflow can cause overheating and damage the product.
Design and implement an efficient ventilation concept for the rack.
To mount the R&S FSPN in a rack
1. Use an adapter kit to prepare the R&S FSPN for rack mounting.
a) Order the rack adapter kit designed for the R&S FSPN. For the order number,
see the data sheet.
b) Mount the adapter kit. Follow the assembly instructions provided with the
adapter kit.
2. Lift the R&S FSPN to shelf height.
3. Grab the handles and push the R&S FSPN onto the shelf until the rack brackets fit
closely to the rack.
4. Tighten all screws in the rack brackets with a tightening torque of 1.2 Nm to secure
the R&S FSPN in the rack.
To unmount the R&S FSPN from a rack
1. Loosen the screws at the rack brackets.
2. Remove the R&S FSPN from the rack.
3. If placing the R&S FSPN on a bench top again, unmount the adapter kit from the
R&S FSPN. Follow the instructions provided with the adapter kit.
3.1.5 Connecting the AC Power
In the standard version, the R&S FSPN is equipped with an AC power supply connec-
tor.
The R&S FSPN can be used with different AC power voltages and adapts itself auto-
matically to it. Refer to the datasheet for the requirements of voltage and frequency.
For safety information, see "Connecting to power" on page 12.
Preparing for Use

Getting Started
R&S®FSPN
20User Manual 1179.4363.02 ─ 01
To connect the AC power
1. Plug the AC power cable into the AC power connector on the rear panel of the
instrument. Only use the AC power cable delivered with the R&S FSPN.
2. Plug the AC power cable into a power outlet with ground contact.
The required ratings are listed next to the AC power connector and in the data
sheet.
For details on the connector, refer to Chapter 3.2.2.2, "AC Power Supply Connection
and Main Power Switch", on page 38.
3.1.6 Switching the Instrument On and Off
Table 3-1: Overview of power states
Status LED on Power key Position of main power switch
Off gray [0]
Standby orange [I]
Ready green [I]
To switch on the R&S FSPN
The R&S FSPN is off but connected to power.
1. Set the switch on the power supply to position [I].
See Chapter 3.2.2.2, "AC Power Supply Connection and Main Power Switch",
on page 38.
The LED of the Power key is orange.
See Chapter 3.2.1.2, "Power Key", on page 31.
2. Press the Power key.
See Table 3-1.
The LED changes to green.
The R&S FSPN boots.
After booting, the instrument is ready for operation.
Warm-up time for OCXO
When the instrument is switched on, the OCXO requires an extended warm-up time
(see data sheet).
Preparing for Use