User Guide

Nokia Customer Care System Module
Company Confidential RH-21
Issue 2 07/2004  2004 Nokia Corporation. Page 3
Contents
Page No
Transceiver RH-21......................................................................................................... 5
Introduction ..................................................................................................................5
Operational Modes .......................................................................................................6
Engine Module .............................................................................................................6
Environmental Specifications ................................................................................... 6
Temperature Conditions............................................................................................ 6
Baseband Module ........................................................................................................7
UEM ............................................................................................................................7
UEM introduction ..................................................................................................... 7
Regulators.................................................................................................................. 7
RF Interface............................................................................................................... 9
Charging Control....................................................................................................... 9
Digital Interface......................................................................................................... 9
Audio Codec.............................................................................................................. 9
UI Drivers................................................................................................................ 10
AD Converters......................................................................................................... 10
UPP8M .................................................................................................................... 10
Blocks...................................................................................................................... 10
Flash Memory ............................................................................................................10
Introduction ............................................................................................................. 10
User Interface Hardware .............................................................................................. 11
LCD ...........................................................................................................................11
Introduction ............................................................................................................. 11
Interface................................................................................................................... 11
Keyboard ....................................................................................................................11
Introduction ............................................................................................................. 11
Power Key ............................................................................................................... 11
Lights .........................................................................................................................11
Introduction ............................................................................................................. 11
Interfaces ................................................................................................................. 11
Technical Information ............................................................................................. 11
Vibra ..........................................................................................................................12
Introduction ............................................................................................................. 12
Interfaces ................................................................................................................. 12
Audio Hardware........................................................................................................... 12
Earpiece .....................................................................................................................12
Introduction ............................................................................................................. 12
Microphone ................................................................................................................12
Introduction ............................................................................................................. 12
MIDI Speaker ............................................................................................................12
Introduction ............................................................................................................. 12
Battery ........................................................................................................................13
Phone Battery .............................................................................................................13
Introduction ............................................................................................................. 13
Interface................................................................................................................... 13
Battery Connector ......................................................................................................14
Accessories Interface ................................................................................................... 15