User Manual

SDB670 – SERVICE MANUAL TNM-M-E-0032
May 13 Page 15 ABBREVIATIONS
LIST OF ABBREVIATIONS
Abbreviation Meaning
OMAP Open Multimedia Applications Platform
PA Power Amplifier
PABX Private Automatic Branch Exchange
PC Personal Computer
PCB Printed Circuit Board
PLL Phase Locked Loop
PMIC Power Management Multi-Channel Integrated Circuit
PMR Private Mobile Radio
PSU Power Supply Unit
PTT Push (Press) To Talk
PWM Pulse Width Modulation
R&TTE Radio and Telecommunications Terminal Equipment
RAM Random Access Memory
RF Radio Frequency
RSSI Received Signal Strength Indicator
RTS Request To Send (RS232 flow control signal)
RX Receiver
SDB Simoco Digital Base
SDRAM Synchronous Dynamic Random Access Memory
SINAD Signal to Noise plus Distortion
SIP Session Initiation Protocol
SM Site Master
SW SoftWare
TCXO Temperature Compensated Crystal Oscillator
TX Transmitter
UHF Ultra High Frequency
USB Universal Serial Bus
VAC Voltage Alternating Current
VAC
(2)
Virtual Area Controller
VCO Voltage Controlled Oscillator
VCTCXO Voltage Controlled Temperature Compensated Crystal Oscillator
VDC Voltage Direct Current
VHF Very High Frequency
VM VAC Master
VoIP Voice over Internet Protocol
VSWR Voltage Standing Wave Ratio
WEEE Waste Electrical and Electronic Equipment