
Telit EVK2 User Guide
1vv0300704 Rev.13- 2012/06/25
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page
16 of 149
CS1139B
MODULE INTERFACE
CONNECTORS
RS232
LEVEL TRANSLATOR
RS232
STACKED
AUDIO
SPEAKER
SERIAL PORTS
SELECTION
USB
RS232
AUDIO LINES
SELECTION
AUDIO 2
AUDIO 1
USB
USB to RS232 INTERFACE
CURRENT
LIMITER
SIM CARD
HOLDER
CHARGER ON
STATUS
LED
ON
RESET
CHARGE
LED
Li-Ion
Battery
B
A
TT RE
G
R
EG VAR
.
+6V
CHARGER
+3.8V
STEP DOWN
CONVERTER
+(5-40)V
+(5-40)V
Figure 3:
CS1139B
circuital displacement
2.1.
PCB characteristics
Material :
FR4
Thickness:
0, 95 mm
Surface finishing:
Chemical gold plate Ni 5um/ Au 0,1um
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