Confidential / released – Siemens TC35i User Manual
Page 11

TC35i Terminal Hardware Interface Description
Confidential / Released
TC35i_T_HD_v01.05 Page
11/37
10.07.2003
Abbreviation
Description
Li-Ion
Lithium-Ion
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
TBD
To Be Defined
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