Advanced Spectrum Analysis for Manufacturing, R & D
and General Purpose Testing
100 kHz to 7.1 GHz
WARRANTY
The Anritsu product(s) listed on the title page is (are) warranted against defects in
materials and workmanship for one year from the date of shipment.
Anritsu's obligation covers repairing or replacing products which prove to be defective during the warranty period. Buyers shall prepay transportation charges for
equipment returned to Anritsu for wa rranty repairs. Obligation is limited to the original purchaser. Anritsu is not liable for consequential damages.
LIMITATION OF WARRANTY
The foregoing warranty does not apply to Anritsu conn ecto rs that h ave failed du e to
normal wear. Also, the warranty does not apply to defects resulting from improper
or inadequate maintenance by the Buyer, unauthorized modification or misuse, or
operation outside the environmental specifications of the product. No other warranty is expressed or implied, and the remedies provided herein are the Buyer's
sole and exclusive remedies.
TRADEMARK ACKNOWLEDGMENTS
Windows, Windows 2000 and Windows XP are registered trademarks of the
Microsoft Corporation. Intel Pentium is a trademark of Intel Corporation. VxWo rks is
a registered trademark, and WindML is a trademark of Wind River Systems, Inc. NI
is a trademark of National Instruments. Spectrum Analyzer is a trademark of Anritsu
Company.
NOTICE
Anritsu Company has prepared this manual for use by Anritsu Company personnel
and customers as a guide for the proper installation, operation and maintenance of
Anritsu Company equipment and computer programs. The drawings, specifications,
and information contained herein are the property of Anritsu Company, and any
unauthorized use or disclosure 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 sa le of the equipment or software programs with out the
prior written consent of Anritsu Company. All other trademarks contained herein are
the property of their respective owners.
UPDATES
Updates to this manual, if any, may be downloaded from the Anritsu internet site at:
http://www.us.anritsu.com.
VxWorks Runtime License
2000-11892000-1372
NI Device License
2000-1486
March 2007 10580-00159
Copyright 2007 Anritsu Company Revision B
WindML Ta rg et Lice nse
Equipment marked with the Crossed-out Wheelie Bin
symbol complies with the European Parliament and
Council Directive 2002/96/EC (the “WEEE Directive”) in
For Products placed on the EU market after August 13,
2005, please contact your local Anritsu representative at
the end of the product's useful life to arrange disposal in
accordance with your initial contract and the local law.
the European Union.
Safety Symbols Used on Equipment and in Manuals
The following safety symbols are used inside or on the equipment near operation locations to provide information about safety items and operation precautions. Ensure
that you clearly understand the meanings of the symbols and take the necessary precautions before operating the equipment. Some or all of the following five symbols
may or may not be used on all Anritsu equipment. In addition, there may be other
labels attached to products that are not shown in the diagrams in this manual.
This indicates a prohibited operation. The prohibited operation is indicated
symbolically in or near the barred circle.
This indicates a compulsory safety precaution. The required operation is
indicated symbolically in or near the circle.
This indicates a warning or caution. The contents are indicated symbolically
in or near the triangle.
This indicates a note. The contents are described in the box.
These indicate that the marked part should be recycled.
For Safety
Warning: Always refer to the operation manual when
working near locations at which the alert mark,
shown on the left, is attached. If the operation,
etc., is performed without heeding the advice in
the operation manual, there is a risk of personal
injury. In addition, the equipment performance
may be reduced. Moreover, this alert mark is
sometimes used with other marks and
descriptions indicating other dangers.
Warning: When supplying power to this equipment,
connect the accessory 3-pin power cord to a 3pin grounded power outlet. If a grounded 3-pin
outlet is not available, use a conversion adapter
and ground the green wire, or connect the
frame ground on the rear panel of the
equipment to ground. If power is supplied
without grounding the equipment, there is a risk
of receiving a severe or fatal electric shock.
Warning: This equipment can not be repaired by the
operator. D
equipment covers or to disassemble internal
components. Only qualified service technicians
with a knowledge of electrical fire and shock
hazards should service this equipment. There
are high-voltage parts in this equipment
presenting a risk of severe injury or fatal electric
shock to untrained personnel. In additi on, there
is a risk of damage to precision components.
This chapter provides a description, performance specifications, optional accessories, preventive maintenance, and calibration requirements for the Anritsu Economy Spectrum Analyzer model listed below. Throughout this manual, this instrument may be referred to as a
Spectrum Analyzer.
ModelFrequency Range
MS2717A100 kHz to 7.1 GHz
Description
The Anritsu Economy Spectrum Analyzer is a synthesizer-based economy spectrum analyzer that provides quick and accurate measurement results. Measurements can be easily
made using the main instrument functions: frequency, span, amplitude and bandwidth. Dedicated keys for common functions and a familiar calculator-type keypad are available for fast
data entry.
Time and date stamping of measurement data is automatic. The internal memory provides
for the storage and recall of more than 1000 measurement setups and more than 1000 traces.
The bright, high-resolution color liquid crystal display (LCD) provides easy viewing in a
variety of lighting conditions.
The Anritsu Economy Spectrum Analyzer is designed for monitoring, measuring, and analyzing signal environments. 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. A menu option provides for an audible alert when the limit value is exceeded.
Anritsu Master Software Tools, a PC-based software program, provides for storing measurement data. Master Software Tools can also convert the Spectrum Analyzer display into several graphic formats.
Measurements stored in internal memory can be downloaded to a PC using the included
USB or Ethernet cables. Once stored, the graphic trace can then be displayed, scaled, or
enhanced with markers and limit lines. Historical graphs can be overlaid with current data
using the PC mouse in a drag-and-drop fashion. The underlying data can be extracted and
used in spreadsheets or for other analytical tasks.
Options
The following options are available for the MS2717A Spectrum Analyzer:
OptionDescription
MS2717A-009Modulation Measurement and Demodulation Hardware
The following standard accessories are supplied with the MS2717A:
Part NumberDescription
10580-00159MS2717A User's Guide
2300-498Master Software Tools Program CD ROM
2000-1360USB A/5-pin mini-B Cable
2000-1371Ethernet Cable, 7 feet (213 cm)
2000-135864 MB Compact Flash Memory Module
One year Warranty (includes firmware and software)
The following optional accessories are available for the MS2717A:
Part NumberDescription
2000-135864 MB Compact Flash Memory Module
42N50A-30 30 dB, 50W, Bi-dir., DC-18 GHz, N(m) to N(f) Attenuator
34NN50A Precision Adapter, DC to 18 GHz, 50W, N(m) to N(m)
34NFNF50Precision Adapter, DC to 18 GHz, 50W, N(f) to N(f)
15NNF50-1.5BTest port cable armored, 1.5 meter, N(m) to N(f), 18.0 GHz
15NN50-1.5CTest port cable armored, 1.5 meter , N( m) to N(m), 6 GHz
15NN50-3.0CTest port cable armored, 3.0 meter , N( m) to N(m), 6 GHz
15NN50-5.0C Test port cable armored, 5.0 meter , N( m) to N(m), 6 GHz
15NNF50-1.5CTest port cable armored, 1.5 meter, N(m) to N(f), 6 GHz
15NNF50-3.0C Test port cable armored, 3.0 meter, N(m) to N(f), 6 GHz
15NNF50-5.0CTest port cable armored, 5.0 meter, N(m) to N(f), 6 GHz
15ND50-1.5CTest port cable armored, 1.5 meter , N(m) to 7/16 DIN(m), 6.0 GHz
15NDF50-1.5C Test port cable armored, 1.5 meter, N(m) to 7/16 DIN(f), 6.0 GHz
3-806-152Ethernet Cable, Crossover
2300-498Master Software Tools Program CD ROM
1091-27Adapter, Type-N male to SMA female
510-90Adapter, 7/16 DIN (f) to N(m), DC to 7.5 GHz, 50 ohm
510-91Adapter, 7/16 DIN (f)-N(f), DC to 7.5 GHz, 50 ohm
510-92Adapter, 7/16 DIN(m)–N(m), DC to 7.5 GHz, 50 ohm
1-2
510-93Adapter, 7/16 DIN(m)-N(f), DC to 7.5 GHz, 50 ohm
510-96Adapter 7/16 DIN (m) to 7/16 DIN(m), DC to 7.5 GHz, 50 ohm
Part NumberDescription
510-97Adapter 7/16 DIN(f) to 7/16 DIN(f), 7.5 GHz, 50 ohm
760-240MS2717A Transit Case
MS2717A-001Rack Mount Kit (no slides)
10580-00159Anritsu User’s Guide, Model MS2717A
10580-00160Anritsu Programming Manual, Model MS2717A
10580-00161Anritsu Maintenance Manual, Model MS2717A
For a complete list of accessories available for the MS2717A, refer to the MS2717A Spectrum Analyzer Technical Datasheet, Anritsu part number 11410-00390, available online at
www.us.anritsu.com.
1-3
Performance Specifications
Frequency
Frequency Range:100 kHz to 7.1 GHz
Tuning Resolution: 1 Hz
Frequency Reference:Aging: ±1 ppm/10 years
Accuracy: ±1 ppm (25°C ± 25°C) + aging (standard)
Accuracy: ±3 ppm (25°C ± 25°C) + aging (Option 9)
Frequency Span: 10 Hz to 7.1 GHz plus 0 Hz (zero span)
Sweep Time: Minimum 200 ms, 10 µs in zero span
Sweep Trigger: Free run, Single, Video, External
Resolution Bandwidth: (–3 dB width) 10 Hz to 3 MHz in 1-3 sequence ± 10%
Video Bandwidth: (–3 dB) 1 Hz to 3 MHz in 1-3 sequence
SSB Phase Noise: –100 dBc/Hz max at 10, 20 and 30 kHz offset from carrier
–102 dBc/Hz max at 100 kHz offset from carrier
Capture Bandwidth8 MHz
Amplitude
Measurement Range: DANL to +30 dBm
Overall Amplitude
Accuracy (95%)
20–30ºC, 10 dB input
attenuation, preamplifier
off, 0 dBm to –50 dBm±0.9 dB, 100 kHz to 3 GHz
±1.25 dB, >3 GHz to 7.1 GHz
Displayed Average Noise Level (DANL in 10 Hz RBW, 0 dB attenuation, preamp on)
Frequency TypicalMax
>10 MHz to 1 GHz –155 –151
>1 GHz to 2.2 GHz –152 –149
>2.2 GHz to 2.8 GHz –147 –143
>2.8 GHz to 4.0 GHz –150 –149
>4.0 GHz to 6.5 GHz –150 –144
>6.5 GHz to 7.1 GHz –149 –144
Display Range: 1 to 15 dB/div in 1dB steps. Ten divisions displayed.
RF Channel Power ±0.7 dB typical±0.7 dB typical
(15ºC to 30ºC)(±1.25 dB max)(±1.25 dB max)
Occupied Bandwidth ±100 kHz ±100 kHz
Residual ACLR
ACLR Accuracy ±0.8 dB ACLRŠ–45 dB±1.0 dB ACLRŠ–45 dB
at 5 MHz offset at 5 MHz offset
Freqency Error ±10 Hz + Time Base Error±10 Hz + Time Base Error
1
–54 dB typical –54 dB typical
at 5 MHz offsetat 5 MHz offset
–59 dB typical –57 dB typical
at 10 MHz offsetat 10 MHz offset
±0.8 dB for ACLRŠ–50 dB±1.0 dB for ACLRŠ–50 dB
at 10 MHz offsetat 10 MHz offset
99% confidence level99% confidence level
WCDMA Demodulator (Option 45, requires Option 9)
Frequency Range824–894 MHz,2300–2700 MHz
1710–2170 MHz
EVM Accuracy
Residual EVM 2.5% typical 2.5% typical
1
(3GPP Test Model 4) ±2.5% for EVM £20%
±2.5%; EVM £25%
(3GPP Test Model 5)
±2.5%; EVM £20%
Code Domain Power±0.5 dB for code ±0.5 dB for code
channel power Š25 dBchannel power Š25 dB
16, 32, 64 DCPH 16, 32, 64 DCPH
(test model 1)(test model 1)
16, 32 DCPH 16, 32 DCPH
(test model 2, 3)(test model 2, 3)
CPICH (dBm) ±0.8 dB typical ±0.8 dB typical
Scrambling Code 3 seconds 3 seconds
1
Depends on reference level, input signal level and single channel conditions.
1-5
General
Max Continuous Input: 10 dB attenuation, +30 dBm, ±50 VDC
RF Input VSWR: 2.0:1 maximum, 1.5:1 typical (Š10 dB attenuation)
InterfacesType N female RF Connector
BNC female connectors for ext reference and ext trigger
RJ45 connector for Ethernet 10/100-Base T
USB 2.0 (full-speed)
Compact Flash
2.5 mm 3-wire cellular headset connector
Environmental:MIL-PRF-28800F class 2
Operating: –10º C to 55º C, humidity 85%
Storage: –51º C to 71º C
Altitude: 4600 meters, operating and non-operating
AC Input Power90V to 250 VAC, 50-60 Hz, 400 VA maximum
Electromagnetic Compatibility:
Meets European Community requirements for CE marking.
Size: 372 x 242 x 339 mm (14.7 x 9.6 x 13.4 in.)
Weight: 5.6 kg (< 12 lbs.) typical
For a complete list of MS2717A specifications, refer to the MS2717A Spectrum Analyzer Technical Datasheet, Anritsu part number 11410-00390, available online at
www.us.anritsu.com.
1-6
Preventive Maintenance
MS2717A preventive maintenance consists of cleaning the unit and inspecting and cleaning
the RF connector on the instrument and all accessories. Clean the MS2717A with a soft, lintfree cloth dampened with water or water and a mild cleaning solution.
CAUTION
To avoid damaging the display or case, do not use solvents or abrasive cleaners.
Clean the RF connectors and center pins with a cotton swab dampened with denatured alcohol. Visually inspect the connectors. The fingers of N(f) connectors and the pins of N(m)
connectors should be unbroken and uniform in appearance. If you are unsure whether the
connectors are good, gauge the connectors to confirm that their dimensions are correct.
Calibration Requirements
The MS2717A loads factory calibration data during start-up, eliminating the need for daily
calibration checks.
Although the MS2717A does not require daily calibration, Anritsu recommends annual calibration and performance verification by local Anritsu service centers. Anritsu service centers are listed in this chapter.
ESD Cautions
The MS2717A, like other high performance instruments, is susceptible to ESD damage.
Very often, coaxial cables and antennas build up a static charge, which, if allowed to discharge by connecting directly to the MS2717A without discharging the static charge, may
damage the MS2717A input circuitry. MS2717A operators should be aware of the potential
for ESD damage and take all necessary precautions.
Operators should exercise practices outlined within industry standa rds such as JEDEC-625
(EIA-625), MIL-HDBK-263, and MIL-STD-1686, which pertain to ESD and ESDS devices,
equipment, and practices. As these apply to the MS2717A, it is recommended that any static
charges that may be present be dissipated before connecting coaxial cables or antennas to the
MS2717A. This may be as simple as temporarily attaching a short or load device to the cable
or antenna prior to attaching to the MS2717A. 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.
1-7
Replacing the Line Fuse
The MS2717A line fuse value is printed on the rear panel next to the power connector.
CAUTION
Before changing the fuse, always remove the power cord from the power outlet. There is
a risk of receiving a fatal electric shock if the fuse is replaced with the power cord connected. Always use a new fuse of the type and rating specified by the fuse markings on
the rear panel of the instrument.
To replace the line fuse:
Step 1.Turn off the rear panel power switch and disconnect the MS2717A from the
power source.
Step 2.Using a small flat-blade screwdriver, carefully pry under the tab above the rear
panel power switch to open the cover and gain access to the fuse holders (refer to
the figure below).
Figure 1-1. Replacing the Line Fuse
Step 3.Slide the fuse out of the fuse holder.
Step 4.If the fuse is defective, replace the fuse with a new fuse of the type and rating
specified by the fuse markings on the rear panel of the instrument.
Step 5.Reinstall the fuse holder in the rear panel power connector.
Step 6.Close the cover to secure the fuse holder in place. The cover will close with an
audible snap.
Step 7.Reconnect the MS2717A to the power source and turn on the rear panel po wer
switch.
1-8
Rack Mount Kit
The MS2717A Rack Mount Kit (part number MS2717A-001) allows the unit to be mounted
to a standard 19-inch equipment rack. Follow the instructions below to install the kit.
Step 1.Turn off the rear panel power switch and disconnect the MS2717A from the
power source.
Step 2.Using a small flat blade screwdriver, carefully pry the cover plates from the front
sides of the unit to expose the rack mount bracket mounting holes.
REMOVE
COVER PLATE
Figure 1-2. Rack Mount Bracket Mounting Holes
Step 3.Align the rack mount brackets (part number 65642) wit h the screw ho les and
insert the mounting screws (905-2620) as shown. Tighten using a #1 Phillips
screw driver.
Figure 1-3. Insert the Mounting Screws
Step 4.Repeat the process on the other side. The unit is ready to be mounted into an
instrument rack.
1-9
Anritsu Service Centers
UNITED STATES
ANRITSU COMPANY
490 Jarvis Drive
Morgan Hill, CA 95037-2809
Telephone: (408) 776-8300
1-800-ANRITSU
FAX: 408-776-1744
ANRITSU COMPANY
10 New Maple Ave., Unit 305
Pine Brook, NJ 07058
Telephone: (973) 227-8999
1-800-ANRITSU
FAX: 973-575-0092
ANRITSU COMPANY
1155 E. Collins Blvd
Richardson, TX 75081
Telephone: 1-800-ANRITSU
FAX: 972-671-1877
AUSTRALIA
ANRITSU PTY. LTD.
Unit 21, 270 Ferntree Gully Road
Notting Hill, VIC 3168
Australia
Telephone: 03-9558-8177
FAX: 03-9558-8255
FRANCE
ANRITSU S.A
9 Avenue du Quebec
Zone de Courtaboeuf
91951 Les Ulis Cedex
Telephone: 016-09-21-550
FAX: 016-44-61-065
ANRITSU CORPORATION LTD.
Service Center:
8F Hyunjuk Building
832-41, Yeoksam Dong
Kangnam-Ku
Seoul, South Korea 135-080
Telephone: 82-2-553-6603
FAX: 82-2-553-6605
UNITED KINGDOM
ANRITSU LTD.
200 Capability Green
Luton, Bedfordshire
LU1 3LU, England
Telephone: 015-82-433200
FAX: 015-82-731303
Chapter 2
A
Quick Start Guide
Introduction
This chapter provides a brief overview of the Anritsu MS2717A Spectrum Analyzer. The
intent of this chapter is to provide a starting point for making basic measurements. For more
detailed information, see Chapter 3, Key Functions and Chapter 4, Measurement Fundamen-tals.
Turning the MS2717A On for the First Time
No initial setup is required. After unpacking, the MS2717A is ready for use. The MS2717A
is equipped with automatic line-power sensing and will operate with line voltages from 90V
to 250 VAC, at 50-60 Hz, 400 V A maximum. The MS2717A is intended for Installation Category (Over Voltage Category) II.
Step 1.Connect the AC line cord to the AC Input on the rear panel of the instrument and
to an adequate mains supply.
CAUTION
When supplying power to this equipment, connect the accessory 3-pin
power cord to a 3-pin grounded power outlet. If a grounded 3-pin outlet is
not available, use a conversion adapter and ground the green wire. If
power is supplied without grounding the equipment, there is a risk of
receiving a severe or fatal electric shock.
Step 2.Switch the AC Power rocker switch on the rear panel to “1” to apply the line volt-
age to the power supply.
AC POWER
ON/OFF
C LINE INPUT
Figure 2-1. MS2717A AC Input
2-1
Step 3.Set the instrument to Operate by pressing the illuminated Standby/Operate (On/
S
Off) front panel button.
TANDBY/OPERATE BUTTON
Figure 2-2. MS2717A On/Off Button
The MS2717A takes about forty-five seconds to complete power up and load the application
software. At the completion of this process, the instrument is ready to use.
For information on making measurements with the Spectrum Analyzer, refer to “Making a
Spectrum Analyzer Measurement,” later in this chapter. For advanced applications, refer to
Chapter 4, Measurement Fundamentals, and Chapter 5, Transmitter Measurements.
2-2
Front Panel Overview
S
SO
S
The menu-driven interface is easy to use and requires little training. Hard keys on the front
panel are used to initiate function-specific menus. There are five function hard keys located
below the display. In Spectrum Analyzer mode, the function hard keys are:
quency),
mode, the function hard keys are:
Marker.
There are 21 hard keys and a rotary knob located to the right of the display. Eight of the hard
keys are dual purpose, depending on the current mode of operation. The dual-purpose keys
are labeled with a number on the key itself, and the alternate function printed on the panel
above the key. Use the shift key to access the functions printed on the panel. The
key, used for aborting data entry, is the round button located above the soft keys. The rotary
knob and the keypad can both be used to change the value of an active parameter.
There are also eight soft keys to the right of the display which change function depending
upon the current menu selection. The current soft key function is indicated in the active
function block to the right of the display. The locations of the different keys are shown in
Figure 2-2, below.
Amplitude, Span, BW (Bandwidth) and Marker. In WCDMA Signal Analyzer
Freq (Frequency), Amplitude, Setup, Measurements and
FT KEY
Freq (Fre-
Escape
ACTIVE FUNCTION
BLOCK
ESCAPE KEY
SHIFT KEY
ROTARY KNOB
KEYPAD
FUNCTION
HARD KEY
Figure 2-3. MS2717A Overview
Ventilation Ports
It is important to keep the ventilation ports on the top and sides of the intrument clear of
obstructions at all times for proper ventilation and cooling of the instrument.
RF IN
2-3
Display Overview
Figure 2-3 illustrates some of the key information areas of the MS2717A display. Refer to
Chapter 3, Key Functions, for more detailed key descriptions.
Real Time
Instrument
Settings
Summary
Clock
Display Area
Soft Key
Labels
Hard Key Labels
Figure 2-4. Display Overview
2-4
Optional Data Window
Back Panel Connectors
SLO
N
JAC
A
The connectors and indicators located on the back panel are shown in Figure 2-4 and
described below.
EXTERNAL TRIGGER
AC POWER
ON/OFF
C LINE INPUT
COMPACT
Figure 2-5. Back Panel Connectors
When supplying power to this equipment, connect the accessory 3-pin
power cord to a 3-pin grounded power outlet. If a grounded 3-pin outlet is
not available, use a conversion adapter and ground the green wire. If
power is supplied without grounding the equipment, there is a risk of
receiving a severe or fatal electric shock. The MS2717A is equipped with
automatic line-power sensing and will operate with line voltages from 90V
to 250 VAC, at 50-60 Hz, 400 VA maximum.
FLASH
IN
CELLULAR
HEADSET
T
CAUTION
EXTERNAL
REFERENCE
FREQUENCY
RJ45 LAN
CONNECTIO
USB PORT
K
LAN Connection
The RJ-45 connector is used to connect the MS2717A to a local area network. Integrated
into this connector are two LEDs. The amber LED indicates the presence of LAN voltages—
a live LAN connection—while the green LED flashes to show that LAN traffic is present.
The instrument IP address is set by pressing the
by the
System Options soft key and the Ethernet Config soft key. The instrument Ethernet
Shift key, then the System (8) key followed
address can be set automatically using DHCP, or manually by entering the desired IP
address, gateway address and subnet mask.
Dynamic Host Configuration Protocol (DHCP) is an Internet protocol that automates the
process of setting IP addresses for devices that use TCP/IP, and is the most common method
of configuring a device for network use. To determine if a network is set up for DHCP, connect the MS2717A to the network and select DHCP protocol in the
Ethernet Config menu.
2-5
Turn the MS2717A off, and then on. If the network is set up for DHCP, the assigned IP
address should be displayed briefly after the power up sequence.
To display the IP address with the instrument on, press the
then the
displayed as shown in Figure 2-5.
Figure 2-6. IP Address Assigned Using DHCP
System Options soft key and the Ethernet Config soft key. The IP address will be
Shift key, then the System key,
More about DHCP
DHCP stands for Dynamic Host Configuration Protocol. It is a protocol that allows a server
to dynamically assign IP addresses to devices that are connected to the network. Most networks include a DHCP server to manage IP addresses. When a DHCP server is available on
the network, DHCP is the preferred IP address mode.
When using DHCP, no setup is required to lease and use a dynamic IP address. In a dynamic
IP operation, the IP address in use may change from use to use. The DHCP server hands out
IP addresses on a first come, first served basis. As soon as the device is disconnected from
the network, the IP address that it was using becomes available to lease to the next unit
requesting an IP address. Normally there is some amount of lag time on the DHCP server
end, so if the device is connected again reasonably soon, it may end up with the same
address.
NOTE: The MS2717A must be connected to the network before it is turned
on for DHCP to work. Key elements of the DHCP lease are only performed
during the instrument's startup operations, or when switching from manual
to DHCP.
When a DHCP server is not available, a Static IP address can be used. A Static IP address is
a fixed address. Once set, it will always remain the same and care must be taken to not conflict with other equipment on the network.
When using a static IP address on an established network, always request a Static IP address
from the network administrator. Randomly choosing a Static IP address on an established
network may result in duplicate IP addresses or other conflicts.
Three parameters must be set prior to using a Static IP address:
2-6
IP Address
This is the Static IP address on the network.
Default Gateway
Often when a static IP address is assigned, a default gateway is also identified. If the
default gateway is unknown, type in the Static IP address so that the Static IP address and
Default Gateway are the same number.
Subnet Mask
This parameter is usually extracted from the Static IP address based on the class of the
address and determines the destination of any broadcast messages that might be sent from
the instrument. It can be customized if necessary. The subnet mask may also be provided
with the Static IP address.
Example 1
In this example, a Static IP address has been chosen because there is no network available.
The instrument is connected to the network port on the PC with a crossover Ethernet cable
(not included). This is also referred to as Direct Connect:
IP Address: 10.0.0.2
Default Gateway: 10.0.0.2
Subnet Mask: 255.255.0.0
Example 2
In this example, the Static IP address has been assigned with an associated gateway and subnet mask:
IP Address: 153.56.100.42
Default Gateway: 153.56.100.1
Subnet Mask: 255.255.252.0
There are a few tools built into the Microsoft Windows operating system that can assist in
making some determinations about the network the PC is plugged into. Typing
command prompt will display information about the in-use parameters of the PC and its network connection. Below is an example of the typical results expected.
NOTE: The ipconfig display does not report if the information is from a
DHCP server or a Static IP setup.
Y:\>ipconfig
Windows 2000 IP Configuration
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix. : us.anritsu.com
Another tool that can find out if a selected IP address is already on the network is
is a harmless way to determine if an address is found on the network, and if it is found, for it
to reply. Greatly simplified, ping sends out a request to a specific address to determine if it is
there. If it is found, it will respond by sending back what was sent to it. If it is not found, the
response will be "
Y:\>ping 172.26.202.172
Pinging 172.26.202.172 with 32 bytes of data:
Reply from 172.26.202.172: bytes=32 time<10ms TTL=128
Reply from 172.26.202.172: bytes=32 time<10ms TTL=128
Reply from 172.26.202.172: bytes=32 time<10ms TTL=128
Reply from 172.26.202.172: bytes=32 time<10ms TTL=128
request timed out" meaning that there was no reply from that IP address.
ipconfig at a
ping. Ping
2-7
Ping statistics for 172.26.202.172:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
USB Interface
The USB 2.0 interface can be used to connect the MS2717A directly to a PC. The first time
the MS2717A is connected to a PC, the normal USB device detection by the computer operating system will take place. The CD-ROM shipped with the instrument contains a driver for
Windows 2000 and Windows XP that is installed when Master Software Tools is installed.
Drivers are not available for earlier versions of the Windows operating system. During the
driver installation process, place the CD-ROM in the computer drive and specify that the
installation wizard should search the CD-ROM for the driver.
Cellular Headset Jack
The cellular headset jack provides audio output from the built-in AM/FM/SSB demodulator
and other audio signals for testing and troubleshooting wireless communication systems.
The jack accepts a 2.5 mm 3-wire miniature phone plug such as those commonly used with
cellular telephones.
Ext Trigger
A TTL signal applied to the
sweep to occur. This mode is used in zero span, and triggering occurs on the rising edge of
the signal. After the sweep is complete, the resultant trace is displayed until the next trigger
signal arrives.
External Trigger female BNC input connector causes a single
Ext Freq Ref
BNC female connector for connection of an external frequency reference or external trigger.
Select the
nal reference from the list presented. Valid frequencies are 1 MHz, 1.2288 MHz, 1.544
MHz, 2.4576 MHz, 4.8 MHz, 4.9152 MHz, 5 MHz, 9.8304 MHz, 10 MHz, 13 MHz and
19.6608 MHz at amplitude from -10 dBm to +10 dBm.
RF In
50W Type-N female connector.
Compact Flash
The MS2717A is shipped with a 64 MB Compact Flash Memory Module, Anritsu Part
Number 2000-1358. The removable compact flash card can be any size, although it must be
a minimum of 64 MB to be able to hold the entire contents of the internal flash memory.
Ext Ref Freq soft key under the System menu to select the frequency of the exter-
2-8
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