4112221
Rev 7.2
June 19, 2013
44
User Guide
Interfaces
5.2.1.1.
SIM Socket Pin Description
Refer to the following table for the pin description of the SIM socket.
Table 28.
SIM Socket Pin Description
Pin #
Signal
I/O
I/O Type
Reset State
Description
1
SIMVCC
O
2V9 / 1V8
SIM Power Supply
2
SIMRST
O
2V9 / 1V8
O
SIM RESET
3
SIMCLK
O
2V9 / 1V8
O
SIM Clock
7
SIMDATA
I/O
2V9 / 1V8
Pull up*
SIM DATA
8
SIMPRES
I
1V8
Pull low**
SIM Card Detect
*
SIM-IO pull up is about 1
0KΩ.
**
SIMPRES pull low is about 100KΩ.
5.2.2.
RF Interface
The FX Series can have up to three RF interfaces, depending on the variant. Refer to the following
table for the list of available RF interfaces per FX Series variant.
Table 29.
Available RF Interface
FX Series Variant
Main RF Interface
Secondary RF
Interface
GPS RF Interface
FXT009
FX100
The main antenna connector allows the transmission of radio frequency (RF) signals from the device
to an external customer supplied antenna. This interface is an SMA type connector and its nominal
impedance is 50
.
Figure 25. Main RF Connector
The secondary RF interface is used in FX100 for 3G diversity antenna connection. It is an SMA type
connector and its nominal impedance is 50
.
Figure 26. Secondary RF Connector for FX100
