User's Manual

Product specification
4
1.3 TERMS AND ABBREVIATION
ADC Analog to Digital Converter
CODEC Coder-Decoder
CLIP Calling Line Identification Presentation
COLP Connected Line Identification Presentation
CLIR Calling Line Identification Restriction
COLR Connected Line Identification Restriction
CTS Clear To Send
CSD Circuit Switched Data
CS Codec Scheme
DCS Digital Communications System
DSR Data Set Ready
DTR Data Terminal Ready
ENS Enhanced network selection
EONS Enhanced operator name string
ESD Electrostatic Discharge
ETS European Telecommunication Standard
FAX Facsimile
HSCSD High Speed Circuit Switched Data
HSDPA High Speed Downlink Packet Access
IC Integrated Circuit
IEEE Institute of Electrical and Electronics Engineers
I/O Input / Output
ISO International Standards Organization
ITU International Telecommunication Union
JTAG Joint Test Action Group
Kbps kilobit per second
LCD Liquid Crystal Display
LED Light Emitting Diode
Mbps Megabit per second
PBCCH Packet Broadcast Channel
PCB Printed Circuit Board
PCM Pulse Code Modulation
PCS Personal Communication System
PWM Pulse Width Modulation
RAM Random Access Memory
RF Radio Frequency
RI Ring Indication
RMS Root Mean Square
RTS Ready To Send
RX Reception
SIM Subscriber Identification Module
SMS Short Message Service
TBC To Be Confirmed
TBD To Be Defined
TX Transmission
UART Universal Asynchronous Receiver and Transmitter
UMTS Universal Mobile Telecommunications System
USB Universal Serial Bus
USIM Universal Subscriber Identity Module
USSD Unstructured Supplementary Service Data
1.4 CONVENTIONS
Throughout this document, DTE (data terminal equipment) indicates the equipment which masters and controls
the module device by sending AT commands via its serial interface.
DCE (data communication equipment) indicates the module device.