3.
Component Function ......................................................................................................................... 34
Antenna Connector ..................................................................................................................... 34
SIM Slot ..................................................................................................................................... 34
3G LED ...................................................................................................................................... 35
Debug Connector ........................................................................................................................ 35
SD Slot ....................................................................................................................................... 35
USB Port (USB) ......................................................................................................................... 35
RS-232C Interface (COM B)...................................................................................................... 36
LED Indicator ............................................................................................................................. 37
Reset Switch ............................................................................................................................... 37
Shut Down Switch ...................................................................................................................... 37
DIP Switch (SW1, SW2) ............................................................................................................ 38
LAN Port (LAN A, LAN B)....................................................................................................... 39
CNT1) /DO0, DO1) .................................................................................................................... 40
Other Function................................................................................................................................... 42
Counter function ......................................................................................................................... 42
Digital Filter ............................................................................................................................... 43
4.
Specifications .................................................................................................................................... 45
Power Requirements................................................................................................................... 48
Physical Dimensions .................................................................................................................. 49
Antenna Steerable Range ........................................................................................................... 50
Standard SIM size ...................................................................................................................... 50
5.
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