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TC65 Hardware Interface Description
Strictly confidential / Draft
s
TC65_HD_V00.521
Page 11 of 99
24.05.2005
Abbreviation Description
PPP Point-to-point
protocol
PSK
Phase Shift Keying
PSU
Power Supply Unit
R&TTE
Radio and Telecommunication Terminal Equipment
RAM
Random Access Memory
RF Radio
Frequency
RMS
Root Mean Square (value)
ROM Read-only
Memory
RTC
Real Time Clock
RTS
Request to Send
Rx Receive
Direction
SAR
Specific Absorption Rate
SELV
Safety Extra Low Voltage
SIM
Subscriber Identification Module
SMS
Short Message Service
SPI
Serial Peripheral Interface
SRAM
Static Random Access Memory
TA
Terminal adapter (e.g. GSM engine)
TDMA
Time Division Multiple Access
TE
Terminal Equipment, also referred to as DTE
Tx Transmit
Direction
UART
Universal asynchronous receiver-transmitter
URC
Unsolicited Result Code
USB
Universal Serial Bus
USSD
Unstructured Supplementary Service Data
VSWR
Voltage Standing Wave Ratio
Phonebook abbreviations
FD
SIM fixdialing phonebook
LD
SIM last dialing phonebook (list of numbers most recently dialed)
MC
Mobile Equipment list of unanswered MT calls (missed calls)
ME
Mobile Equipment phonebook
ON
Own numbers (MSISDNs) stored on SIM or ME
RC
Mobile Equipment list of received calls
SM SIM
phonebook