Cinterion
®
LTE Terminals Hardware Interface Description
Contents
122
ELSxT_HID_v04 2018-09-04
Confidential / Preliminary
Page 4 of 102
4 Electrical and Environmental Characteristics........................................................ 48
4.1 Absolute Maximum Ratings ............................................................................. 48
4.2 Electrical Specifications of the Application Interface........................................ 49
4.2.1 On/Off Control..................................................................................... 49
4.2.2 RS-232 Interface................................................................................. 49
4.2.3 USB Interface...................................................................................... 49
4.2.4 GPIO Interface .................................................................................... 50
4.2.5 Ethernet Interface ............................................................................... 51
4.3 Maximum Power Supply Ratings ..................................................................... 52
4.4 Operating Temperatures.................................................................................. 56
4.5 Antenna Interface............................................................................................. 57
4.6 Storage Conditions .......................................................................................... 60
5 Mechanics, Mounting and Packaging ..................................................................... 61
5.1 Mechanical Dimensions ................................................................................... 61
5.2 Mounting the LTE Terminals............................................................................ 64
5.3 Packaging ........................................................................................................ 65
6 Full Type Approval.................................................................................................... 66
6.1 Gemalto M2M Reference Setup ...................................................................... 66
6.2 Restrictions ...................................................................................................... 67
6.3 CE Conformity.................................................................................................. 67
6.4 EMC ................................................................................................................. 67
6.5 Compliance with FCC and IC Rules and Regulations ..................................... 68
6.6 Compliance with Japanese Rules and Regulations......................................... 70
7 List of Parts and Accessories.................................................................................. 71
8 Appendix A: (Hardware) Watchdog......................................................................... 73
8.1 Reset Conditions.............................................................................................. 74
8.1.1 Reset stages ....................................................................................... 74
8.1.2 Reset Delay ........................................................................................ 75
8.2 Restart Conditions ........................................................................................... 75
8.3 Complete Watchdog Configuration .................................................................. 76
8.3.1 Watchdog (WD) Command Specification ........................................... 76
8.4 Qualified Watchdog Configuration ................................................................... 86
8.4.1 I
2
C Interface Command Specification ................................................. 86
8.5 Configuring GPIO Directions............................................................................ 92
8.5.1 Configuration using I
2
C Interface ........................................................ 93
8.5.2 Configuration using TXD0 Line of ASC0 Interface.............................. 94