Service Manual

XFIN-BLADE-SM
GLOSSARY AND ABBREVIATIONS PAGE 77
A. GLOSSARY AND ABBREVIATIONS
TX Transmit
RX Receive
DSP Digital Signal Processor
USB Universal Serial Bus
MII Media-Independent Interface
JTAG Joint Test Action Group
EMI Electro-Magnetic Interference
GPIO General Purpose Input/Output
PCB Printed Circuit Board
PHY PHYsical layer interface
SDRAM Synchronous Dynamic Random Access Memory
UART Universal Asynchronous Receiver-Transmitter
MMI Man-Machine Interface
RTC Real Time Clock
PA Power Amplifier
CoDec Coder/Decoder
TSC Trunked Site Controller
RTS Request To Send (RS232 flow control signal)
CTS Clear To Send (RS232 flow control signal)
PSTN Public Switched Telephone Network
TBR Technical Basis for Regulation
LVD Low Voltage Directorate
NIC Network Interface Controller
LCD Liquid Crystal Display
SPORT Serial PORT of the digital signal processor
ROM Read Only Memory
NC Not Connected
E&M Ear and Mouth
DAA Data Access Arrangement