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Site Master S251C Product Brochure
Discover Whats Possible
®
©Anritsu November, 2005. All trademarks are registered
trademarks of their respective companies. Data is subject to
change without notice. For more recent specifications, visit
www.us.anritsu.com
PN: 11410-00232, Rev. D
SALES CENTERS:
United States (800) ANRITSU
Europe 44 (0) 1582-433433
Microwave Measurement Division
Canada (800) ANRITSU
Japan 81 (46) 223-1111
490 Jarvis Drive, Morgan Hill, CA 95037-2809
South America 55 (21) 2527-6922
Asia-Pacific (852) 2301-4980
http://www.us.anritsu.com
Site Master S251C
Broadband Two-Port Transmission Line and Antenna Analyzer
625 MHz to 2500 MHz
Site Master S251C
Model S251C
(625 MHz to 2500 MHz), Built in DTF
Standard Accessories Include
Users Guide
Soft Carrying Case
AC-DC Adapter with Power Cord
Automotive Cigarette Lighter/12 Volt DC Adapter
One Year Warranty
CD ROM containing Fault Location (DTF), Smith Chart and Software
Management Tools
Serial Interface Cable
Rechargeable Battery, NiMH
Optional Accessories
Option 5
RF Power Monitor (RF Detector not included)
Option 10B
Bias Tee, Voltage-Switchable 15V or 12V, Current-Switchable 1A
surge/650 mA steady state or 460 mA surge/244 mA steady state
5400-71N50
RF Detector, N(m), 50 Ohm, 1 to 3000 MHz
560-7N50B
RF Detector, N(m), 50 Ohm, 10 MHz to 20 GHz
1N50C
Limiter, N(m) to N(f), 50 Ohm, 10 MHz to 50 GHz
22N50
Precision N(m) Short/Open, 18 GHz
22NF50
Precision N(f) Short/Open, 18 GHz
SM/PL
Precision N(m) Load, 42 dB, 4.0 GHz
SM/PLNF
Precision N(f) Load, 42 dB, 4.0 GHz
OSLN50LF
Precision Open/Short/Load, DC to 4.0 GHz, 50 Ohm, N(m)
OSLNF50LF
Precision Open/Short/Load, DC to 4.0 GHz, 50 Ohm, N(f)
2000-767
Precision Open/Short/Load, 7/16 (m), 4.0 GHz
2000-768
Precision Open/Short/Load, 7/16 (f), 4.0 GHz
15NN50-1.5C
Test Port Cable Armored, 1.5 meter, N(m) to N(m), 6.0 GHz
15NN50-3.0C
Test Port Cable Armored, 3.0 meter, N(m) to N(m), 6.0 GHz
15NN50-5.0C
Test Port Cable Armored, 5.0 meter, N(m) to N(m), 6.0 GHz
15NNF50-1.5C Test Port Cable Armored, 1.5 meter, N(m) to N(f), 6.0 GHz
15NNF50-3.0C Test Port Cable Armored, 3.0 meter, N(m) to N(f), 6.0 GHz
15NNF50-5.0C Test Port Cable Armored, 5.0 meter, N(m) to N(f), 6.0 GHz
15ND50-1.5C
Test 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
34NN50A
Precision N(m) to N(m) Adapter, 18 GHz
34NFNF50
Precision N(f) to N(f) Adapter, 18 GHz
42N50A-30
Attenuator, 30 dB, 50 Watt, DC to 18 GHz, N(m) to N(f)
510-90
Adapter 7/16(f) to N(m), 7.5 GHz
510-91
Adapter 7/16(f) to N(f), 7.5 GHz
510-92
Adapter 7/16(m) to N(m), 7.5 GHz
510-93
Adapter 7/16(m) to N(f), 7.5 GHz
510-96
Adapter 7/16 DIN(m) to 7/16 DIN(m), 7.5 GHz
510-97
Adapter 7/16 DIN(f) to 7/16 DIN(f), 7.5 GHz
800-109
Detector Extender Cable, 7.6 m (25 ft.)
800-110
Detector Extender Cable, 15.2 m (50 ft.)
800-111
Detector Extender Cable, 30.5 m (100 ft.)
800-112
Detector Extender Cable, 61.0 m (200 ft.)
48258
Spare Soft Carrying Case
40-115
Spare AC/DC Adapter
806-141
Spare Automotive Cigarette Lighter/12 Volts DC adapter
800-441
Spare Serial Interface Cable
760-235
Transit Cases for Anritsu Site Master
2300-347
Anritsu Handheld Software Tools
10580-00065
Anritsu Site Master S251C Users Guide
633-27
Rechargeable Battery, NiMH (C Series only)
2000-1029
Battery Charger, NiMH with Universal Power Supply
551-1691
USB to RS232 Adapter Cable
Printers
2000-1214
HP DeskJet Printer, Model 450: Includes printer cable, 2000-
1216 black print cartridge and U.S. power cord. Also includes
2000-753 serial-to-parallel Centronics converter cable and 1091-
310 Centronics-to DB25 adapter. Rechargeable battery is optional
and is not included.
2000-753
Null Modem Serial-to-Parallel Centronics Converter Cable
1091-310
Adapter 36-pin Centronics female-to-DB25 female
2000-1216
Black Print Cartridge
2000-663
Power Cable (Europe) for DeskJet Printer
2000-664
Power Cable (Australia) for DeskJet Printer
2000-666
Power Cable (Japan) for DeskJet Printer
2000-667
Power Cable (S. Africa) for DeskJet Printer
2000-1217
Rechargeable Battery for DeskJet Printer, Model 450
2000-1218
Power Cable (U.K.) for DeskJet Printer
Ordering Information
SiteMaster
The Worlds Leading Cable and Antenna System Analyzer
MS2712
S331C Site Master
Site
Master
MS2712
MT8212A Cell Master
Cell
Master











The Leading Cable and Antenna Analyzer for Wireless Professionals
Site Master S251C for 2-Port/Tower Top Applications
Performance enhancing design trends such as high sector-
to-sector isolation, tower-mounted amplifiers and duplexed
antennas add new complexities to site installation, deploy-
ment, maintenance and troubleshooting. To help simplify
performance verification for these systems, a second test
port for isolation, gain and insertion loss measurements
is required. Addressing this need, the Site Master S251C
features a second test-port for testing sector-to-sector isola-
tion, tower-mounted amplifiers and duplexed antennas.
Gain
The Site Master S251C, features a selectable output power
at +6 dBm or 30 dBm and an optional, built-in Bias Tee,
to enable two-port insertion gain measurement of Tower
Mounted Amplifiers (TMA) without the need of an
external supply
through the PDU
(Power Distribution
Unit) and an exter-
nal attenuator. This
greatly simplifies the
technicians task of
verifying amplifier
and system performance during installation or periodic
maintenance and troubleshooting intervals. Site Masters
industry leading high RF interference immunity allows
test signal injection between antennas with a minimum
of interference induced distortion and is designed to
perform both installation and maintenance tests from
ground level.
Isolation
Improving isolation between antenna sectors can reduce
cell-to-cell RF Interference and improve system coverage
and capacity. To
address this meas-
urement require-
ment, the Site
Master S251C
features high dynam-
ic range, which
ensures that antenna
isolation is accurate-
ly measured during
deployment and
during periodic maintenance intervals including the
extremely high >90 dB isolation ranges required at
RF-RF repeater sites.
Measuring antenna isolation during periodic maintenance
intervals conveniently verifies antenna position after harsh
weather. If the antenna has been moved from the installed
mounting angle, the change in side lobe and back lobe
coupling magnitudes between the antennas causes a clear
performance change. Tx-Rx isolation of duplexers and
filters is easily tested with Site Masters >90 dB dynamic
range. Filters are easily aligned and verified to
manufacturers specifications.
Amplifier Gain Test Measurement
2-PORT
SITE
MASTER
RF IN
RF OUT
LNA
Accurately measure antenna isolation with
Site Masters high dynamic range.
2-PORT
SITE
MASTER
RF IN
RF OUT
ANTENNA
ANTENNA
ISOLATION
Site Masters high dynamic range enables
LNA measurements at ground level.
2-PORT
SITE
MASTER
RF IN
RF OUT
LNA
ANTENNA
TEST
SIGNAL
ANTENNA
LNA
DUPLEXER
Tx
Rx
Gain/Insertion, Fault Location, Return Loss/SWR and Cable Loss Measurements
High Immunity to Live Site RF Interference
Built-in-Bias Tee
RF Source 625 to 2500 MHz at 10 kHz steps
Trace Storage with Date/Time Stamp, Alphanumeric Labeling (Up to 200 Memory Locations)
Cable List Pop-up Menu Contains Over Ninety Cable Types and Three Frequency Band Presets
Easy-to-Use
Site Masters S251C menu driven interface
requires little training and simplifies the
field engineers and technicians task
of deployment, site-to-site maintenance
and troubleshooting by identifying,
recording and solving problems without
sacrificing measurement accuracy.
Store ten test setups for fast repeatable testing.
Store up to 200 measurement traces in nonvolatile
memory.
Multilingual user interface features on screen menus
and messages in 6 different languages.
Powerful Data Analysis Software
Powerful data analysis software comes
with every Site Master unit, providing users
with an easy method of analyzing system
performance, trends and problems in
addition to professional report generation.
Site Master PC software is Windows 95/98/2000/ME
and NT workstation compatible and supports long
alpha-numeric file names for descriptive data labeling.
Store an unlimited number of data traces for
comparison to historical performance.
Quickly and easily download data traces from the Site
Master to a PC database with a single menu selection.
Accurate, Repeatable
Measurements
Utilizing vector error correction, Site
Master delivers accurate, reliable and
repeatable Return Loss/SWR and Fault
Location measurements. Site Masters high
immunity to interference allows users to
conduct measurements of an active site
without the loss