User Manual

3. ABBREVIATIONS AND DEFINITIONS
16
LZ T 123 7605 P1C
3. Abbreviations and Definitions
Abbreviation Explanations
AMR Adaptive Multi Rate
CBM Cell Broadcast Message
CBS Cell Broadcast Service
CSD Circuit Switched Data
DCE Data Circuit Terminating Equipment
DTE Data Terminal Equipment
DTMF Dual Tone Multi Frequency
EFR Enhanced Full Rate
EMC Electro-Magnetic Compatibility
ETSI European Telecommunication Standards Institute
FR Full Rate
GPRS General Packet Radio Service
GSM Global System for Mobile Communication
High Side
Switch
Pin is driven high, to Vin, in the active state
HR Half Rate
HSCSD High Speed Circuit Switched Data
ITU-T International Telecommunication Union - Telecommunications
Standardisation Sector
Low Side
Switch
Pin is driven low in the active state. High state requires external pull up.
ME Mobile Equipment
MO Mobile Originated
MS Mobile Station
MT Mobile Terminated
PDU Protocol Data Unit
RLP Radio Link Protocol
RF Radio Frequency
RTC Real Time Clock
SIM Subscriber Identity Module
SMS Short Message Service