Anritsu MS27201A User manual

Part Number: 10580-00480
Revision: B
Published: July 2023
Copyright 2023 Anritsu Company
Anritsu Company
490 Jarvis Drive
Morgan Hill, CA 95037-2809
USA
User Guide
Remote Spectrum Monitor MS27201A
High-Performance RF Spectrum Monitor

Front-2 PN: 10580-00480 Rev. B MS27201A UG
Unauthorized Use or Disclosure
Anritsu Company has prepared the product user documentation for use by Anritsu Company personnel and
customers as a guide for the proper installation, operation, and maintenance of Anritsu Company equipment and
software programs. The drawings, specifications, and information contained therein are the property of Anritsu
Company, and any unauthorized use of these drawings, specifications, and information is prohibited; they shall not be
reproduced, copied, or used in whole or in part as the basis for manufacture or sale of the equipment or software
programs without the prior written consent of Anritsu Company.
Export Management
The Anritsu products identified herein and their respective manuals may require an Export License or approval by
the government of the product country of origin for re-export from your country. Before you export these products or
any of their manuals, please contact Anritsu Company to confirm whether or not these items are export-controlled.
When disposing of export-controlled items, the products and manuals must be broken or shredded to such a degree
that they cannot be unlawfully used for military purposes.

MS27201A UG PN: 10580-00480 Rev. B Contents-1
Table of Contents
Chapter 1—General Information
1-1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Additional Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2 Instrument Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Available Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Available Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-3 Instrument Care and Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Ventilation and Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Connector Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
ESD Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1-4 Calibration and Verification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1-5 Contacting Anritsu for Sales and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Chapter 2—Instrument Overview
2-1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-2 Connector Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Rear Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2-3 Turning On the MS27201A RSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-4 MS27201A PC Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Vision Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-5 PC Requirements for MS27201A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2-7 Connecting to the MS27201A or Localhost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2-8 GUI Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Common GUI Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Data Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Scroll Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
2-9 Title Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2-10 Selecting the Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-11 System Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

Contents-2 PN: 10580-00480 Rev. B MS27201A UG
Table of Contents (Continued)
2-12 Settings Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Display Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Ethernet Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
GNSS (GPS) Settings (Option 31). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
Screenshot Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Language Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Date Time Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Port Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Options Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
Advanced Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Reset Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35
2-13 Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36
FTP Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36
Remote Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
2-14 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37
Event Log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
Self Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
Service Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39
2-15 Tools Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40
IQ STREAMING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40
DISCOVERY TOOL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-41
PDF REPORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42
2-16 Software Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
Installing the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
Appendix A—Notification Messages and Troubleshooting
A-1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
A-2 Self-Test Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
A-3 Informational Notifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5
A-4 Warning Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-10
A-5 Error Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-13
A-6 UDP Discovery Tool Firewall Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-16
A-7 System Override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-18
Appendix B—Software Option Upgrades
B-1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B-2 Exporting a Software Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B-3 Importing Software License . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

MS27201A UG PN: 10580-00480 Rev. B 1-1
Chapter 1 — General Information
1-1 Introduction
The MS27201A Remote Spectrum Monitor (RSM) User Guide is part of a set of manuals that cover all of the
instrument functions and their use. This manual covers the instrument overview, system functions, and other
common features, along with a brief guide to basic measurement concepts and setups. Most instrument
operations are covered in specific chapters of this manual as listed below. Remote programming is covered in
the programming manual. Additionally, the MS27201A RSM offers a remote PC software that replicates the
instrument user interface on your PC screen and allows network connection to an instrument or the ability to
recall data and perform on-screen measurement analysis without a connection to an instrument (refer to
“MS27201A PC Software” on page 2-4).
Before You Begin
•Read the Remote Spectrum Monitor Product Information, Compliance, and Safety Guide (PN:
10100-00064) for important safety, legal, and regulatory notices before operating the equipment.
Additional Documentation
For additional information and literature covering your product, visit the product page of your instrument and
select the Library tab:
https://www.anritsu.com/en-US/test-measurement/products/ms2720xa
For more information and literature on Vision Spectrum Monitoring Application Software visit the product
page and select the Library tab:
https://www.anritsu.com/en-us/test-measurement/products/mx280001a
Table 1-1. Related Manuals
Document Part Number Description
10100-00064 Product Information, Compliance, and Safety Notices
11410-02833 MS27201A Remote Spectrum Monitor Technical Data Sheet
10580-00481 MS27201A Remote Spectrum Monitor Programming Manual
10580-00418 Vision™ MX280001A Spectrum Monitoring Application Software User Guide
10580-00447
Field Master Series Spectrum Analyzer Measurement Guide
Zero Span IF Output (Option 89)
Gated Sweep (Option 90)
AM/FM Modulation Measurement (Option 509)
10580-00448 Field Master Series Real-Time Spectrum Analyzer (RTSA) Measurement Guide
(Option 199)
10580-00449
Field Master Series 5GNR Measurement Guide (Option 888)
GNSS Receiver (Option 31)
Gated Sweep (Option 90)
10580-00450 Field Master Series LTE Signal Analyzer Measurement Guide (Option 883)
Gated Sweep (Option 90)
10580-00451 Field Master Series Pulse Analyzer Measurement Guide (Option 421)
10580-00490 Field Master Series IQ Capture/Streaming Measurement Guide (Options 124/126 and
Options 125/127)

1-2 Instrument Description General Information
1-2 PN: 10580-00480 Rev. B MS27201A UG
Document Conventions
The following conventions are used throughout the MS27201A documentation set.
Instrument Identification
When identifying a frequency option for the MS27201A, that option number is appended after the model
number; example: MS27201A-0709.
User Interface
The MS27201A user interface consists of menus, buttons, toolbars, and dialog boxes.
User Interface Navigation
Elements in navigation paths are separated as follows: MARKER > PEAK SEARCH > NEXT PEAK.
1-2 Instrument Description
The MS27201A RSM is a synthesizer-based spectrum monitor that provides quick and accurate measurement
results. The instrument is designed for monitoring, measuring, and analyzing signal environments.
Measurements can easily be made by using the main instrument functions: frequency, span, amplitude, and
bandwidth. A full range of marker capabilities (such as peak, center, and delta functions) are provided for
faster, more comprehensive analysis of displayed signals. Upper and lower multi-segmented limit lines are
available to create quick, simple pass/fail measurements.
Time and date stamping of measurement data is automatic. The internal memory provides for the storage and
recall of up to 1000 measurement setups and up to 1000 traces. Measurements and setups can be stored
internally on the instrument or on a USB memory device for later recall.
Available Models
Table 1-2 lists the frequency options available with the MS27201A RSM.
Note Not all after-market USB memory devices are compatible with Remote Spectrum Monitor. The USB
memory device must contain a single partition using FAT32, exFAT, NTFS and ext4 file formats.
Table 1-2. Remote Spectrum Monitor Frequency Options
Model Frequency Range
MS27201A-0709 Remote Spectrum Monitor, 9 kHz to 9 GHz
MS27201A-0714 Remote Spectrum Monitor, 9 kHz to 14 GHz
MS27201A-0720 Remote Spectrum Monitor, 9 kHz to 20 GHz
MS27201A-0726 Remote Spectrum Monitor, 9 kHz to 26.5 GHz
MS27201A-0732 Remote Spectrum Monitor, 9 kHz to 32 GHz
MS27201A-0743 Remote Spectrum Monitor, 9 kHz to 43.5 GHz
MS27201A-0754 Remote Spectrum Monitor, 9 kHz to 54 GHz

General Information 1-2 Instrument Description
MS27201A UG PN: 10580-00480 Rev. B 1-3
Available Options
Available options for the Remote Spectrum Monitor are listed in Table 1-3.
Table 1-3. Available Options
Option Description
MS27201A-0031 GNSS Receiver (requires external GPS antenna)
MS27201A-0089 Zero Span IF Output
MS27201A-0090 Gated Sweep
MS27201A-0104 110 MHz Analysis Bandwidth
MS27201A-0124 IQ Waveform Capture
MS27201A-0125 IQ Waveform Streaming (requires Option 124)
MS27201A-0126 IQ Waveform Capture (non-export-controlled)
MS27201A-0127 IQ Waveform Streaming (non-export-controlled) (requires Option 126)
MS27201A-0128 Vector Signal Analysis enabled (requires Option 124 or 26)
MS27201A-0199 Real-Time Spectrum Analyzer
MS27201A-0400 Vision Monitor enabled
MS27201A-0407 Vision High-Speed Port Scanner enabled
MS27201A-0421 Pulse Analyzer
MS27201A-0509 AM/FM Modulation Measurement
MS27201A-0883 LTE FDD/TDD Measurements (requires GNSS Receiver MS27201A-0031)
MS27201A-0888 5GNR Downlink Measurements (requires GNSS Receiver MS27201A-0031)
MS27201A-xxxx-0097 Accredited Calibration to ISO17025 and ANSI/NCSL Z540-1 (xxxx is the frequency
Option number)
MS27201A-xxxx-0098 Standard Calibration to ISO17025 and ANSI/NCSL Z540-1 (xxxx is the frequency Option
number)
MS27201A-xxxx-0099 Premium Calibration to ISO17025 and ANSI/NCSL Z540-1 plus test data
(xxxx is the frequency Option number)

1-3 Instrument Care and Preventive Maintenance General Information
1-4 PN: 10580-00480 Rev. B MS27201A UG
1-3 Instrument Care and Preventive Maintenance
Instrument care and preventive maintenance consist of proper operation in a suitable environment, occasional
cleaning of the instrument, and inspecting and cleaning the RF connectors and all accessories before use.
Clean the instrument with a soft, lint-free cloth dampened with water or water and a mild cleaning solution.
Ventilation and Cooling
The Remote Spectrum Monitor provides active cooling of the internal components to prevent damage from
overheating. The airflow vents on the edges and bottom of the instrument must be kept clear and unobstructed
while the instrument is powered on. When using the Remote Spectrum Monitor on a desktop, bench or the
instrument can be placed flat on its back to facilitate increased airflow.
Connector Care
Clean the RF connectors and center pins with a cotton swab dampened with denatured alcohol. Visually
inspect the connectors. The fingers of the N(f) and K(f) connectors and the pins of the N(m) and K(m)
connectors should be unbroken and uniform in appearance. If you are unsure whether the connectors are
undamaged, gauge the connectors to confirm that the dimensions are correct. Visually inspect the test port
cable(s). The test port cable should be uniform in appearance and not stretched, kinked, dented, or broken.
To prevent damage to your instrument, do not use pliers or a plain wrench to tighten the Type-N and Type-K
connectors. The recommended torque is 12 lbf·in to 15 lbf·in (1.36 N·m to 1.70 N·m). Inadequate torque
settings can affect measurement accuracy. Over-tightening connectors can damage the cable, the connector,
the instrument, or all of these items.
Visually inspect connectors for general wear, cleanliness, and for damage such as bent pins or connector rings.
Repair or replace damaged connectors immediately. Dirty connectors can limit the accuracy of your
measurements. Damaged connectors can harm the instrument. Connection of cables carrying an electrostatic
potential, excess power, or excess voltage can damage the connector, the instrument, or both.
Connecting Procedure
1. Carefully align the connectors. The male connector center pin must slip concentrically into the contact
fingers of the female connector.
2. To tighten, turn the connector nut, not the connector body. Major damage can occur to the center
conductor and to the outer conductor if the connector body is twisted.
3. If you use a torque wrench, initially tighten by hand so that approximately 1/8 turn or 45 degrees of
rotation remains for the final tightening with the torque wrench.
4. Relieve any side pressure on the connection (such as from long or heavy cables) in order to assure
consistent torque. Use an open-end wrench to keep the connector body from turning while tightening
with the torque wrench. Do not over-torque the connector.
Disconnecting Procedure
1. If a wrench is needed, use an open-end wrench to keep the connector body from turning while loosening
with a second wrench.
2. Complete the disconnection by hand, turning only the connector nut.
3. Pull the connectors straight apart without twisting or bending.
Caution To avoid damaging the case, do not use solvents or abrasive cleaners.
Caution Do not operate or store the Remote Spectrum Monitor in extreme environments. Refer to the
instrument Technical Data Sheet for the specified operating and storage conditions.

General Information 1-4 Calibration and Verification
MS27201A UG PN: 10580-00480 Rev. B 1-5
ESD Caution
The Remote Spectrum Monitor, like other high performance instruments, is susceptible to electrostatic
discharge (ESD) damage. Coaxial cables and antennas often build up a static charge, which (if allowed to
discharge by connecting directly to the instrument without discharging the static charge) may damage the
Remote Spectrum Monitor input circuitry. Instrument operators must be aware of the potential for ESD
damage and take all necessary precautions.
Operators should exercise practices outlined within industry standards such as JEDEC-625 (EIA-625),
MIL-HDBK-263, and MIL-STD-1686, which pertain to ESD and ESDS devices, equipment, and practices.
Because these apply to the Remote Spectrum Monitor, it is recommended that any static charges that may be
present be dissipated before connecting coaxial cables or antennas to the instrument. This may be as simple as
temporarily attaching a short or load device to the cable or antenna prior to attaching to the Remote Spectrum
Monitor. It is important to remember that the operator may also carry a static charge that can cause damage.
Following the practices outlined in the above standards will ensure a safe environment for both personnel and
equipment.
1-4 Calibration and Verification
The Remote Spectrum Monitor comes fully calibrated from the factory and there are no field-adjustable
components. Anritsu recommends annual calibration and performance verification by local Anritsu service
centers.
1-5 Contacting Anritsu for Sales and Service
To contact Anritsu, visit the following URL and select the services in your region:
http://www.anritsu.com/contact-us

1-5 Contacting Anritsu for Sales and Service General Information
1-6 PN: 10580-00480 Rev. B MS27201A UG