MC55i Terminal Hardware Interface Description
2.1 Key Features at a Glance
17
MC55i_Terminal_HD_v01.201a Page 17 of 47 2010-04-16
Confidential / Released
Audio Speech codecs:
• Half rate HR (ETS 06.20)
• Full rate FR (ETS 06.10)
• Enhanced full rate EFR (ETS 06.50/06.60/06.80)
• Adaptive Multi Rate AMR
Echo cancellation, DTMF, 7 ringing tones
Software
AT commands Hayes 3GPP TS 27.007, TS 27.005, Cinterion
Firmware update Upgradeable via serial interface.
Interfaces
Serial interface • RS-232 interface, bi-directional bus for AT commands and data.
• Multiplex ability according to GSM 07.10 Multiplexer protocol
• Baud rates from 300bps to 115200bps
• Autobauding supports: 1200, 2400, 4800, 9600, 19200, 38.400, 57600
and 115200bps
• Supports RTS/CTS hardware handshake and software XON/XOFF
flow control
Audio Analog (Microphone, Earpiece)
SIM card reader Supported SIM cards: 3V, 1.8V
Antenna Connected via antenna FME connector
Power on/off, Reset
Power on DTR line at RS232 interface or IGT_IN line at power connector
Power off • Normal switch-off by AT^SMSO or On/Off push button
• Emergency switch-off via EMERGOFF line at power connector
• Automatic switch-off in case of critical temperature and voltage condi-
tions
Reset Orderly shutdown and reset by AT command or power down signal.
Special features
Real time clock Timer functions via AT commands
Phonebook SIM card and phone
Feature Implementation
To Next Page
Loading...