Cinterion
®
Java Terminals Hardware Interface Description
2.1 Key Features at a Glance
19
EHSxT_BGS5T_HID_v02 2014-05-23
Confidential / Preliminary
Page 19 of 70
Interfaces
USB interfaces USB 2.0 Slave interface
RS232 RS-232 interface for AT commands and data:
• Supports RTS/CTS hardware handshake
• Supports software XON/XOFF flow control
• Multiplex ability according to GSM 07.10 Multiplexer protocol
• Baud rates from 1200bps to 230400bps
• Autobauding supported
Weidmueller connector 20-pin (8-pin and 12-pin) header with GPIO interface, external power sup-
ply, ADC, SPI, I²C and RS-485 option, depending on variant
Power connector 6-pole Western connector (female) for power supply, ignition, power down
signal
SIM card reader Supported SIM cards: 3V, 1.8V
Antenna Antenna connected via female SMA connector
Power on/off, Reset
Power on DTR line at RS-232 interface, IGT_IN line at power connector or watchdog
Power off Normal switch-off by AT^SMSO or external On/Off push button
Automatic switch-off in case of critical temperature conditions
Reset Orderly shutdown and reset by AT command
Emergency restart via RST_IN line at power connector or via watchdog
Special features
Real time clock Timer functions via AT commands
Phonebook SIM card and terminal
(Hardware) Watchdog Configurable watchdog to control module
Feature Implementation