Cinterion BGS2-E, Обзор аппаратуры

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BGS2-E/BGS2-W Hardware Interface Overview
1.2 Terms and Abbreviations
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BGS2_HIO_v01.300 Page 8 of 29 2011-03-08
Confidential / Released
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MT Mobile Terminated
NTC Negative Temperature Coefficient
OEM Original Equipment Manufacturer
PA Power Amplifier
PAP Password Authentication Protocol
PBCCH Packet Switched Broadcast Control Channel
PCB Printed Circuit Board
PCL Power Control Level
PCM Pulse Code Modulation
PCN Personal Communications Network, also referred to as DCS 1800
PCS Personal Communication System, also referred to as GSM 1900
PDU Protocol Data Unit
PLL Phase Locked Loop
PPP Point-to-point protocol
PSK Phase Shift Keying
PSU Power Supply Unit
PWM Pulse Width Modulation
R&TTE Radio and Telecommunication Terminal Equipment
RAM Random Access Memory
RF Radio Frequency
RMS Root Mean Square (value)
RoHS Restriction of the use of certain hazardous substances in electrical and electronic
equipment.
ROM Read-only Memory
RTC Real Time Clock
RTS Request to Send
Rx Receive Direction
SAR Specific Absorption Rate
SAW Surface Accoustic Wave
SELV Safety Extra Low Voltage
SIM Subscriber Identification Module
SMD Surface Mount Device
SMS Short Message Service
SMT Surface Mount Technology
SRAM Static Random Access Memory
TA Terminal adapter (e.g. GSM module)
TDMA Time Division Multiple Access
TE Terminal Equipment, also referred to as DTE
Abbreviation Description