MC55i Terminal Hardware Interface Description
1.2 Terms and Abbreviations
15
MC55i_Terminal_HD_v01.201a Page 10 of 47 2010-04-16
Confidential / Released
LVD Low voltage Directive
Mbps Mbits per second
MMI Machine Machine Interface
MO Mobile Originated
MS Mobile Station
MT Mobile Terminated
NC Not Connected
NTC Negative Temperature Coefficient
PA Power Amplifier
PCB Printed Circuit Board
PCM Pulse Code Modulation
PCS Personal Communication System
PD Power Down
PDU Protocol Data Unit
R&TTE Radio and Telecommunication Terminal Equipment
RAM Random Access Memory
RF Radio frequency
RI Ring Indication
ROM Read Only Memory
RX Receive direction
SIM Subscriber Identification Module
SMS Short Message Service
SRAM Static Random Access Memory
SW Software
TDD Time Division Duplex
TDMA Time Division Multiple Access
TX Transmit direction
UART Universal Asynchronous Receiver and Transmitter
VAD Voice Activity Detection
ZIF Zero Insertion Force
Table 1: Terms and abbreviations
Abbreviation Description