90 relations: ASCII, Bit, Bit error rate, Bit rate, Breakout box, Capacitance, Centronics, Character encoding, Clock signal, Computer, Computer terminal, Crosstalk, Current loop, D-subminiature, Data Carrier Detect, Data circuit-terminating equipment, Data signaling rate, Data terminal equipment, Data Terminal Ready, Dial-up Internet access, Differential signaling, Digital current loop interface, Digital Data Communications Message Protocol, Distinctive ring, Duplex (telecommunications), EIA-530, Electronic Industries Alliance, Embedded system, Fishfinder, Flow control (data), Gender changer, Global Positioning System, Ground loop (electricity), Handshaking, High-Level Data Link Control, Input/output, Interrupt, ITU-T, Logic analyzer, Logic level, Loopback, Microsoft, MIL-STD-188, Modem, Modular connector, Mouse (computing), NMEA 0183, Null modem, Numerical control, Operating system, ..., Optical isolator, Oscilloscope, PC System Design Guide, Personal computer, Pinout, Plug compatible, Point of sale, Printer (computing), Programmable logic controller, Relay, Router (computing), RS-232, RS-422, RS-423, RS-449, RS-485, Serial communication, Serial port, Server (computing), Servo drive, Short circuit, Single-ended signaling, Slew rate, Synchronous Data Link Control, System console, Technical standard, Telecommunication, Telecommunications Industry Association, Teleprinter, Terminal emulator, The Art of Electronics, Time series, Toshiba Tecra, Unbalanced line, Uninterruptible power supply, USB, Variable-frequency drive, Wake-on-ring, Winfield Hill, X.25. Expand index (40 more) » « Shrink index
ASCII, abbreviated from American Standard Code for Information Interchange, is a character-encoding scheme (the IANA prefers the name US-ASCII).
New!!: RS-232 and ASCII ·
A bit is the basic unit of information in computing and digital communications.
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In digital transmission, the number of bit errors is the number of received bits of a data stream over a communication channel that have been altered due to noise, interference, distortion or bit synchronization errors.
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In telecommunications and computing, bit rate (sometimes written bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.
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A breakout box is a critical piece of electrical test equipment used to support integration testing, expedite maintenance, and streamline the troubleshooting process at the system, subsystem, and component level by simplifying the access to test signals.
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Capacitance is the ability of a body to store an electrical charge.
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Centronics Data Computer Corporation was an American manufacturer of computer printers, now remembered primarily for the parallel interface that bears its name.
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In computing, a character encoding is used to represent a repertoire of characters by some kind of an encoding system.
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In electronics and especially synchronous digital circuits, a clock signal is a particular type of signal that oscillates between a high and a low state and is utilized like a metronome to coordinate actions of digital circuits.
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A computer is a general-purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically.
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A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying data from, a computer or a computing system.
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In electronics, crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel.
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In electrical signalling an analog current loop is used where a device must be monitored or controlled remotely over a pair of conductors.
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The D-subminiature or D-sub is a common type of electrical connector.
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Data Carrier Detect, abbreviated as DCD, or alternately Carrier Detect abbreviated as CD, is a control signal present inside an RS-232 serial communications cable that goes between a computer and another device, such as a modem.
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A data circuit-terminating equipment (DCE) is a device that sits between the data terminal equipment (DTE) and a data transmission circuit.
In telecommunication, data signaling rate (DSR), also known as gross bit rate, is the aggregate rate at which data pass a point in the transmission path of a data transmission system.
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Data terminal equipment (DTE) is an end instrument that converts user information into signals or reconverts received signals.
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Data Terminal Ready (DTR) is a control signal in RS-232 serial communications, transmitted from data terminal equipment (DTE), such as a computer, to data communications equipment (DCE), for example a modem, to indicate that the terminal is ready for communications and the modem may initiate a communications channel.
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Dial-up Internet access is an early form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line.
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Differential signaling is a method for electrically transmitting information using two complementary signals.
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For digital serial communications, a current loop is a communication interface that uses current instead of voltage for signaling.
Digital Data Communications Message Protocol (DDCMP) is a byte-oriented communications protocol devised by Digital Equipment Corporation in 1974 to allow communication over point-to-point network links for the company's DECnet Phase I network protocol.
Distinctive ring, marketed under a variety of names, is a service offered by a telephone company that establishes additional telephone numbers on the same line as an existing number, each number ringing with a distinctive ringing pattern.
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A duplex communication system is a point-to-point system composed of two connected parties or devices that can communicate with one another in both directions.
Currently known as TIA-530-A, but often called EIA-530, or RS-530, is a balanced serial interface standard that generally uses a 25-pin connector, originally created by the Telecommunications Industry Association.
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The Electronic Industries Alliance (EIA; until 1997 Electronic Industries Association) was a standards and trade organization composed as an alliance of trade associations for electronics manufacturers in the United States.
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
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A fishfinder or sounder (Australia) is an instrument used to locate fish underwater by detecting reflected pulses of sound energy, as in sonar.
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In data communications, flow control is the process of managing the rate of data transmission between two nodes prevent a fast sender from overwhelming a slow receiver.
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A gender changer or "gender-bender", is a hardware device placed between two cable connectors of the same type and gender.
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The Global Positioning System (GPS) is a space-based navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.
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In an electrical system, a ground loop is an equipment and wiring configuration which results in excessive unwanted current in a conductor connecting two points that are supposed to be at the same electric potential, often ground, but are actually at different potentials.
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In information technology, telecommunications, and related fields, handshaking is an automated process of negotiation that dynamically sets parameters of a communications channel established between two entities before normal communication over the channel begins.
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High-Level Data Link Control (HDLC) is a bit-oriented code-transparent synchronous data link layer protocol developed by the International Organization for Standardization (ISO).
In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.
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In systems programming, an interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.
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The ITU Telecommunication Standardization Sector (ITU-T) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU); it coordinates standards for telecommunications.
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A logic analyzer is an electronic instrument that captures and displays multiple signals from a digital system or digital circuit.
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In digital circuits, a logic level is one of a finite number of states that a digital signal can have.
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Loopback, or loop-back, refers to the routing of electronic signals, digital data streams, or flows of items back to their source without intentional processing or modification.
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Microsoft Corporation (commonly referred to as Microsoft) is an American multinational technology company headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services.
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MIL-STD-188 is a series of U.S. military standards relating to telecommunications.
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A modem (modulator-demodulator) is a device that modulates signals to encode digital information and demodulates signals to decode the transmitted information.
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A modular connector is an electrical connector that was originally designed for use in telephone wiring, but has since been used for many other purposes.
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In computing, a mouse is a pointing device that detects two-dimensional motion relative to a surface.
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NMEA 0183 is a combined electrical and data specification for communication between marine electronics such as echo sounder, sonars, anemometer, gyrocompass, autopilot, GPS receivers and many other types of instruments.
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Null modem is a communication method to directly connect two DTEs (computer, terminal, printer, etc.) using an RS-232 serial cable.
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Numerical control (NC) is the automation of machine tools that are operated by precisely programmed commands encoded on a storage medium, as opposed to controlled manually by hand wheels or levers, or mechanically automated by cams alone.
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An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
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An optical isolator, or optical diode, is an optical component which allows the transmission of light in only one direction.
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An oscilloscope, previously called an oscillograph, and informally known as a scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.
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The PC System Design Guide (also known as the PC 97, PC 98, PC 99, or PC 2001 specification) is a series of hardware design requirements and recommendations for IBM PC compatible personal computers, compiled by Microsoft and Intel Corporation during 1997–2001.
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A personal computer is a general-purpose computer whose size, capabilities and original sale price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer operator.
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In electronics, a pinout (sometimes written "pin-out") is a cross-reference between the contacts, or pins, of an electrical connector or electronic component, and their functions.
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A plug-compatible machine is one that has been designed to be backwards compatible with a prior machine.
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The point of sale (POS) is the time and place where a retail transaction is completed.
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In computing, a printer is a peripheral which makes a persistent human readable representation of graphics or text on paper or similar physical media.
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A programmable logic controller, PLC, or programmable controller is a digital computer used for automation of typically industrial electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures.
A relay is an electrically operated switch.
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A router is a networking device that forwards data packets between computer networks.
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In telecommunications, RS-232 is a standard for serial communication transmission of data.
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RS-422, also known as TIA/EIA-422, is a technical standard originated by the Electronic Industries Alliance that specifies electrical characteristics of a digital signaling circuit.
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RS/EIA/TIA-423 is a standard for serial communications.
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The RS-449 specification, also known as EIA-449 or TIA-449, defines the functional and mechanical characteristics of the interface between data terminal equipment and data communications equipment.
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TIA-485-A, also known as ANSI/TIA/EIA-485, TIA/EIA-485, EIA-485 or RS-485, is a standard defining the electrical characteristics of drivers and receivers for use in balanced digital multipoint systems. The standard is published by the Telecommunications Industry Association/Electronic Industries Alliance (TIA/EIA). Digital communications networks implementing the EIA-485 standard can be used effectively over long distances and in electrically noisy environments. Multiple receivers may be connected to such a network in a linear, multi-drop configuration. These characteristics make such networks useful in industrial environments and similar applications. The EIA once labeled all its standards with the prefix "RS" (Recommended Standard), but the EIA-TIA officially replaced "RS" with "EIA/TIA" to help identify the origin of its standards. The EIA has officially disbanded and the standard is now maintained by the TIA. The RS-485 standard is superseded by TIA-485, but often engineers and applications guides continue to use the RS designation.
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In telecommunication and computer science, serial communication is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus.
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In computing, a serial port is a serial communication physical interface through which information transfers in or out one bit at a time (in contrast to a parallel port).
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A server is both a running instance of some software that is capable of accepting requests from clients, and the computer that executes such software.
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A servo drive is a special electronic amplifier used to power electric servomechanisms.
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A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path, often where essentially no (or a very low) electrical impedance is encountered.
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Single-ended signaling is the simplest and most commonly used method of transmitting electrical signals over wires.
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In electronics, slew rate is defined as the maximum rate of change of output voltage per unit of time and is expressed as volts per second.
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Synchronous Data Link Control (SDLC) is a computer communications protocol.
The system console, computer console, root console, operator's console, or simply console is the text entry and display device for system administration messages, particularly those from the BIOS or boot loader, the kernel, from the init system and from the system logger.
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A technical standard is an established norm or requirement in regard to technical systems.
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Telecommunication occurs when the exchange of information between two or more entities (communication) includes the use of technology.
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The Telecommunications Industry Association (TIA) is accredited by the American National Standards Institute (ANSI) to develop voluntary, consensus-based industry standards for a wide variety of Information and Communication Technologies (ICT) products, and currently represents nearly 400 companies.
A teleprinter (teletypewriter, Teletype or TTY) is an electromechanical typewriter that can be used to send and receive typed messages from point to point and point to multipoint over various types of communications channels.
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A terminal emulator, terminal application, term, or tty for short, is a program that emulates a video terminal within some other display architecture.
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The Art of Electronics, by Paul Horowitz and Winfield Hill, is a popular textbook dealing with analog and digital electronics.
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A time series is a sequence of data points, typically consisting of successive measurements made over a time interval.
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The Toshiba Tecra (dynabook TECRA in Japan) is series of business laptops manufactured by Toshiba.
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In electrical engineering, an unbalanced line is a transmission line, often coaxial cable, whose conductors have unequal impedances with respect to ground; as opposed to a balanced line.
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An uninterruptible power supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source, typically mains power, fails.
USB, short for Universal Serial Bus, is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.
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A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.
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Wake-on-Ring (WOR), sometimes referred to as Wake-on-Modem (WOM), is a specification that allows supported computers and devices to "wake up" or turn on from a sleeping, hibernating or "soft off" state (e.g. ACPI state G1 or G2), and begin operation.
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Winfield Hill is the Director of the Electronics Engineering Laboratory at the Rowland Institute at Harvard University.
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X.25 is an ITU-T standard protocol suite for packet switched wide area network (WAN) communication.
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Cisco serial port, Data Set Ready, Data set ready, EIA--232, EIA-232, EIA/TIA-232, EIA/TIA-574, EIA232, Eia Rs-232C, RS 232, RS-232 RTS/CTS, RS-232 devices, RS-232C, RS-232c, RS232, RS232C, RS232c, Ring Indicator, Ring indicator, Rs 232, Rs-232, Rs-232C, Rs-232c, Rs232, Rs232C, Rs232c, Serial port pinouts, TIA-574, V.24.