Pinouts of Connectors

Some hardware related abbreviations

Some terms and abbreviations

ACK

ACKnowledge

ADC

Analog�to�Digital Converter

CRC

Cyclic Redundancy Check

CSMA/CD

Carrier Sense Multiple Access with Collision Detect

CTS

Clear To Send

DAC

Digital�to�Analog Converter

DCD

Data Carrier Detect, officially known as Received Line Signal Detector

DCE

Data Communications Equipment

DSR

Data Set Ready, officially known as DCE Ready

DTE

Data Terminal Equipment

DTMF

Dual Tone Multi Frequency

DTR

Data Terminal Ready, officialy known as DTE Ready

EMI

Electromagnetic Interference

ENQ

Enquiry

EOT

End Of Transmission

FBUS

Full Duplex Serial Bus in NOKIA�s phones

GND

GrouND

GPS

Global Positioning System (recevier)

GPIO

General Purpose Input/Output

HDLC

High level Data Link Control

IR

InfraRed

IC

Integrated Circuit

IO

Input/Output

ISO

International Standards Organisation

ISU

Information Symbol Unit

JTAG

Joint Test Action Group, commonly used as a synonym for boundary scan (IEEE 1149.1) testing

LAN

Local Area Network

LLC

Logical Link Control

MAC

Media Access Control

MBUS

1�wire half duplex serial bus in NOKIA�s phones

MDI

Medium Dependent Interface

MII

Medium Independent Interface

MMC

MultiMediaCard

Modem

MOdulator DEModulator. A device for connecting two DTEs.

NAK

Negative AcKnowledge

NIC

Network Interface Card

OSI

Open Systems Interconnect

PDA

Personal Digital Assistant

PCM

Pulse Code Modulation

PDA

Personal Digital Assistant, almost same with HandHeld computer

PHY

Physical

RTS

Request To Send

RxD, Rx, RD

Received Data

SAS

Single Attached Station

SD

SecureDigital

SDRAM

Synchronous Dynamic RAM

SGND

Signal GrouND

SPI

Serial Peripheral Interface

STP

Shielded Twisted Pair

UTP

Unshielded Twisted Pair

UART

Universal Asynchronous Receiver Transmitter

WAN

Wide Area Network

TxD, Tx, TD

Transmitted Data
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