Chapter 2
Functions and Operations
Introduction
This chapter provides a brief overview of the Site Master functions and operations, provid
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ing the user with a starting point for making basic measurements. For more detailed infor
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mation, refer to the specific chapters for the measurements being made.
The Site Master is designed specifically for field environments and applications requiring
mobility. As such, it is a lightweight, handheld, battery operated unit which can be easily
carried to any location, and is capable of up to 1.5 hours of continuous operation from a
field replaceable battery for extended time in the field. Built-in energy conservation fea
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tures allow battery life to be further extended. The Site Master can also be powered by a
12.5 Vdc external source. The external source can be either the Anritsu AC-DC Adapter
(P/N 40-168) or 12.5 Vdc Automotive Cigarette Lighter Adapter (P/N 806-141). Both items
are standard accessories.
Test Connector Panel
The connectors and indicators located on the test panel (Figure 2-1) are listed and described
below. The illustration depicts an S331D with Option 50, T1/E1 installed.
12.5-15VDC
(3A)
12.5 to 15 Vdc @ 3A input to power the unit or for battery charging.
WARNING
When using the AC-DC Adapter, always use a three-wire power cable connected
to a three-wire power line outlet. If power is supplied without grounding the equip
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ment in this manner, there is a risk of receiving a severe or fatal electric shock, or
damaging the equipment.
2-1
Spectrum Analyzer
RF Out /
T1/E1
GPS Antenna
Ext Freq Ref / Ext Trigger
RECEIVE TRANSMIT
RF In 50Reflection 50
+43 dBm MAX 50 VDC MAX
Serial
Interface
External Power
12.5 - 15V DC
(1350 mA)
Battery Charging
+23 dBm MAX 50 VDC MAX
CAUTION
AVOID STATIC
DISCHARGE
ERIAL INTERFA
E
EXTERNAL POWER
EXTERNAL FREQ REF /
EXT TRIGGER
EXTERNAL POWER LED
BATTERY
CHARGING
LED
RF IN
GPS ANTENNA
RF OUT
T1/E1 (S331D OPTION 50) or
FREQUENCY CONVERTER
(S332DOPTION6)or
POWER MONITOR DETECTOR
(OPTION 5)
CONNECTOR
!
Figure 2-1. S331D Test Connector Panel (with Option 50)
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