Hardware Design V1.00

Smart Machine Smart Decision
SIM2000S_Hardware_Design_V1.00 52 2014-02-27
II. Terms and Abbreviations
Table 51: Terms and abbreviations
Abbreviation Description
CDMA Code Division Multiple Access
RUIM Removable User Identity Module
ADC Analog-to-Digital Converter
CS Coding Scheme
CSD Circuit Switched Data
CTS Clear to Send
DTE Data Terminal Equipment (typically computer, terminal, printer)
DTR Data Terminal Ready
DTX Discontinuous Transmission
ESD Electrostatic Discharge
ETS European Telecommunication Standard
IMEI International Mobile Equipment Identity
Li-ion Lithium-Ion
MO Mobile Originated
MS Mobile Station (CDMA engine), also referred to as TE
MT Mobile Terminated
PAP Password Authentication Protocol
PBCCH Packet Broadcast Control Channel
PCB Printed Circuit Board
PDU Protocol Data Unit
PPP Point-to-point protocol
RF Radio Frequency
RMS Root Mean Square (value)
RX Receive Direction
SMS Short Message Service
TE Terminal Equipment, also referred to as DTE
TX Transmit Direction
UART Universal Asynchronous Receiver & Transmitter
BC0 The 800 MHz cellular band
BC1 The PCS band
Phonebook abbreviations
FD RUIM fix dialing phonebook
LD RUIM last dialing phonebook (list of numbers most recently dialed)
MC Mobile Equipment list of unanswered MT calls (missed calls)
ON RUIM (or ME) own numbers (MSISDNs) list
RC Mobile Equipment list of received calls
SM RUIM phonebook