CM-42 Technical Description
PAGE 2 OF 38
SEM/CX-02:0076/DES A
1
INTRODUCTION TO THE TECHNICAL DESCRIPTION......................................................................................4
1.1
O
VERVIEW
........................................................................................................................................................4
1.2
H
OW TO READ THE MANUAL
...............................................................................................................................4
1.3
S
ERVICE AND
S
UPPORT
....................................................................................................................................4
1.3.1
Web Pages..............................................................................................................................................4
1.3.2
Component Suppliers..............................................................................................................................5
1.4
R
ELATED
D
OCUMENTS
......................................................................................................................................5
1.5
A
BBREVIATIONS
................................................................................................................................................6
2
INTEGRATING THE CM-42 MODULE..................................................................................................................7
2.1
O
VERVIEW
........................................................................................................................................................7
2.2
M
ECHANICAL
D
ESCRIPTION
...............................................................................................................................7
2.3
S
YSTEM
C
ONNECTOR
I
NTERFACE
......................................................................................................................9
2.3.1
Overview .................................................................................................................................................9
2.3.2
General Electrical And Logical Characteristics .....................................................................................13
2.3.3
Nominal Output Power Levels...............................................................................................................13
2.3.3.1
Power Consumption...................................................................................................................................... 14
2.3.3.2
Power Supply And Ground Signals............................................................................................................... 14
2.3.3.3
Module_PWR_EN_B .................................................................................................................................... 15
2.3.4
Audio Interface ......................................................................................................................................15
2.3.4.1
Analog Audio................................................................................................................................................. 16
2.3.4.2
Digital Audio.................................................................................................................................................. 17
2.3.5
Serial Data Interface .............................................................................................................................19
2.3.6
General Purpose Signals ......................................................................................................................20
2.3.7
System connector IO functionality.........................................................................................................21
2.3.8
Recommended Circuitry........................................................................................................................23
2.3.8.1
Status Group Recommended Circuitry ......................................................................................................... 23
2.3.8.2
Data Group Recommended Circuitry ............................................................................................................ 26
2.3.8.3
PCM Group Recommended Circuitry............................................................................................................ 27
2.3.8.4
Analog Audio Group Recommended Circuitry .............................................................................................. 28
2.4
A
NTENNA
C
ONNECTOR
...................................................................................................................................32
2.5
F
UNCTIONAL
D
ESCRIPTION
..............................................................................................................................33
2.5.1
Speech Calls .........................................................................................................................................33
2.5.2
Value Carrier Services ..........................................................................................................................34
2.5.3
Short Message Services .......................................................................................................................34
2.5.4
Services For Short Message Control ....................................................................................................35
2.5.5
Data Functionality .................................................................................................................................35
2.5.6
Over The Air Service Provisioning (OTA) .............................................................................................36
2.6
H
INTS
F
OR
I
NTEGRATING
T
HE
M
ODULE
............................................................................................................36
2.6.1
Precautions ...........................................................................................................................................36
2.6.2
Where To Install The Module ................................................................................................................36
2.6.3
Safety Standards...................................................................................................................................36
2.6.4
Antenna .................................................................................................................................................37
2.6.4.1
Antenna Type................................................................................................................................................ 37
2.6.4.2
Antenna Placement....................................................................................................................................... 37
2.6.4.3
Possible Communication Disturbances......................................................................................................... 37
2.7
T
ECHNICAL
D
ATA
............................................................................................................................................38
