2201R Mobile Tester User Guide
Chapter 3 Performing manual tests and measurements in GSM mode
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Introduction
The 2201R Mobile Tester with the 2231 GSM Option allows tests and measurements at GSM mobile phones, or in
the GSM mode of multi-standard phones.
Setting up network and test parameters
This section makes you familiar with the parameters of the 2201R Mobile Tester necessary to successfully perform
standard measurements.
Defining the main network settings
From the start menu, press the GSM soft key to enter the GSM Tests menu. The Network Settings section in that
menu provides access to some basic parameters such as the frequency channels being used by the 2201R and the
mobile phone.
BCCH Channel
In this field, enter the channel number of the base channel carrying the broadcast information and which is used to
set up a communication between the mobile phone and the base station (simulated by the 2201R). See Table 7 on
page 42 for valid channel numbers and frequency bands.
Note
The base channel number cannot be changed during a call.
Note
The 2201R uses the channel number to determine the frequency band. However, GSM 1800 and GSM
1900 partly use the same channel numbers. The 2201R indicates next to the channel number entered
which band it refers to. Use the Upper GSM Band selection field in the GSM/GPRS Parameters menu
to select between the GSM 1800 and GSM 1900 bands.
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