Specifications

TC35 / TC37 Hardware Interface Description
TC35_37_HD_02_V03.10 - Released Page 10 of 92 21.12.2001
Abbreviation Description
HiZ High Impedance
HR Half Rate
IC Integrated Circuit
IMEI International Mobile Equipment Identity
I/O Input/Output
ISO International Standards Organization
ITU International Telecommunications Union
kbps kbits per second
LED Light Emitting Diode
Li-Ion Lithium-Ion
Mbps Mbits per second
MMI Man Machine Interface
MO Mobile Originated
MS Mobile Station (GSM engine), also referred to as TE
MSISDN Mobile Station International ISDN number
MT Mobile Terminated
NTC Negative Temperature Coefficient
PCB Printed Circuit Board
PCL Power Control Level
PCN Personal Communications Network, also referred to as DCS 1800
PCS Personal Communication System
PDU Protocol Data Unit
PLL Phase Locked Loop
PPP Point-to-point protocol
PSU Power Supply Unit
R&TTE Radio and Telecommunication Terminal Equipment
RAM Random Access Memory
RF Radio Frequency
ROM Read-only Memory
RMS Root Mean Square (value)
RTC Real Time Clock
Rx Receive Direction
SAR Specific Absorption Rate
SELV Safety Extra Low Voltage
SIM Subscriber Identification Module
SMS Short Message Service
SRAM Static Random Access Memory