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IS-136 MS
and
IS-136 DB
Software Option 897 926/897 807
Operating Instructions
50_is136
Doc. Version: 9907-121-A for IS-136 MS
10
Doc. Version: 9611-110-A for IS-136 DB
Acterna Muenchen GmbH, Gutenbergstr. 2 – 4, D-85737 Ismaning
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+49 (89) 9 96 41-0
Fax: +49 (89) 9 96 41-160

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Table of Contents
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Summarization of Contents

General preparations
Check procedure
Steps to verify the correct firmware versions and hardware components are installed and configured.
Loading system program
Select power unit
Configures the unit for RF power measurements (WATT or dBm).
Select pre-attenuation
Enters compensation value for pre-attenuation in RF level measurements.
Select EMF/50Ω
Selects RF output level measurement mode (EMF or 50 Ohm).
Handoff Procedures
Change analog/digital traffic channel
Tests mobile's ability to change traffic channels and verify performance.
Manual change of channel
Procedure for manually changing traffic channels and verifying signaling adoption.
Automatic change of channel
Configures the AUTO HANDOFF mask for automated traffic channel testing.
Change SAT
Tests mobile's ability to switch SAT and maintain connection.
Change analog/digital power level
Tests mobile's correct switching to different power levels.
Change DVCC
Tests mobile's ability to switch DVCC and maintain connection.
Change time slot
Tests mobile's correct switching to different time slots.
Change time alignment
Tests mobile's execution of time alignment instructions.
Change transfer rate
Tests half-rate mobile functionality in full-rate mode.
Combined changes
Explains combining multiple parameter changes for handoff procedures.
Modulation Quality
Constellation display
Visual assessment of modulation quality using graphic display.
Numeric display
Displays detailed modulation measurement figures numerically.
Available display modes
Describes different display modes for modulation analysis (dots, lines, statistics).
Mobile-Assisted Handoff (MAHO)
Test with 2nd RF generator
Tests MAHO capability using a second RF generator.
Test without 2nd RF generator
Tests MAHO capability without a second RF generator.
Application Notes
Requirements for operation
Specifies hardware and software requirements for RS-232 interface functionality.
Control commands and transmission protocol
Details control commands and transmission protocol settings for the RS-232 interface.

Table of Contents