Cinterion®Java Terminals Hardware Interface Description
Contents
114
EHSxT_BGS5T_HID_v02 2014-05-23
Confidential / Preliminary
Page 3 of 70
Contents
0 Document History...................................................................................................... 7
1 Introduction.................................................................................................................8
1.1 Related Documents ...........................................................................................9
1.2 Terms and Abbreviations...................................................................................9
1.3 Regulatory and Type Approval Information .....................................................11
1.3.1 Directives and Standards....................................................................11
1.3.2 Safety Precautions..............................................................................14
1.4 Product Label...................................................................................................16
2 Product Concept.......................................................................................................17
2.1 Key Features at a Glance................................................................................17
3 Interface Description ................................................................................................20
3.1 Overview..........................................................................................................20
3.2 Block Diagram..................................................................................................21
3.3 Terminal Circuit................................................................................................22
3.4 Operating Modes .............................................................................................23
3.5 RS-232 Interface..............................................................................................24
3.5.1 9-Pole D-sub Connector .....................................................................24
3.6 USB Interface...................................................................................................25
3.7 Weidmueller GPIO Interface............................................................................25
3.8 Power Supply...................................................................................................29
3.8.1 Turn Java Terminals on......................................................................30
3.8.2 Reset Java Terminals.........................................................................30
3.8.3 Turn Java Terminals off......................................................................30
3.8.4 Disconnecting power supply...............................................................31
3.9 Automatic thermal shutdown............................................................................32
3.10 Hardware Watchdog........................................................................................32
3.11 RTC..................................................................................................................32
3.12 SIM Interface....................................................................................................33
3.13 Status LEDs.....................................................................................................34
3.14 RF Antenna Interface.......................................................................................35
4 Electrical and Environmental Characteristics........................................................36
4.1 Absolute Maximum Ratings.............................................................................36
4.2 Operating Temperatures..................................................................................37
4.3 Storage Conditions ..........................................................................................38
4.4 Electrical Specifications of the Application Interface........................................39
4.4.1 On/Off Control.....................................................................................39
4.4.2 RS-232 Interface.................................................................................39
4.4.3 USB Interface......................................................................................39
4.4.4 Weidmueller GPIO Interface...............................................................40
4.5 Power Supply Ratings......................................................................................41
4.6 Antenna Interface.............................................................................................43
