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