I/O is a very old term for Input/Output. Originally, it was used in programming and digital circuit design to refer to functions or circuits that dealt specifically with input and/or output functionality of hardware or software.
Over the years, it has developed other meanings and it is a rarely used term today.
Note: The 1/0 button you see on many electronic devices is simply the power button. It’s not the Input/Output button, there’s no such thing. 1/0 (One/Zero) is the international symbol for On/Off.
IDF –Intermediate Distribution Frame
IDF is a free-standing or wall-mounted rack for managing and interconnecting the telecommunications cable between end user devices and a main distribution frame (MDF). For example, an IDF at a school might be located in each building routing the cabling to an MDF in the library media center. The MDF would contain cabling that would interconnect to the to the other buildings on site and to the Wide Area Network.

IDOC –Intermediate DOCument
IDoc is a standard data structure for electronic data interchange (EDI) between application programs written for the popular
SAP business system or between an SAP application and an external program. IDocs serve as the vehicle for data transfer in SAP's Application Link Enabling (ALE) system. IDocs are used for
Asynchronous transactions: each IDoc generated exists as a self-contained text file that can then be transmitted to the requesting workstation without connecting to the central
Database. Another SAP mechanism, the Business Application Programming
Interface (
BAPI) is used for
Synchronous transactions.
IEEE –Institute of Electrical and Electronics Engineers
The IEEE (Eye-triple-E) is a non-profit, technical professional association of more than 380,000 individual members in 150 countries. Through its members, the IEEE is a leading authority in technical areas ranging from computer engineering, biomedical technology and telecommunications, to electric power, aerospace and consumer electronics, among others.The IEEE has created the 802 specifications which pertain to networking and are applicable to our industry.

IETF –Internet Engineering Task Force
The IETF is the body that defines standard Internet operating
Protocols such as
TCP/IP. The IETF is supervised by the Internet Society Internet Architecture Board (IAB). IETF members are drawn from the Internet Society's individual and organization membership. Standards are expressed in the form of Requests for Comments (
RFCs).
An imager or imaging scanner typically uses a bank of LEDs for a light source and a camera to capture a scanned image or Barcode. Unlike Laser and CCD scanners, imagers can capture actual images as the name implies, such as signatures, the contents of trailers, and the condition of packages.



Infrared light (light not in the visible
Wavelengths) is used in some
Barcode scanners. Sometimes dark laminate is placed over the barcode for security reasons. An infrared scanner would be required to read the barcode through the laminate.
Infrared light is also used in data communications for small networks such as
IrDA. One example of infrared communications is your TV remote control.

Intellitrack started off as a PSC product and then broke away to form their own company. IntelliTrack® WMS is a low end and fairly easy-to-use warehouse management solution available in both Batch and Real-Time RF versions. IntelliTrack WMS includes advanced warehouse management capabilities, including directed Picking and put-away, cubing, wave management, and Cross Docking. Intellitrack’Data Management Software provides modular solutions for:
Inventory
Stock Room
Fixed Assets
Check in / Check out.
As a noun, an interface is either:
1. A user interface, consisting of the set of dials, knobs, operating system commands, graphical display formats, and other devices provided by a computer or a program to allow the user to communicate and use the computer or program. A graphical user interface (
GUI) provides its user a more or less "picture-oriented" way to interact with technology. A GUI is usually a more satisfying or user-friendly interface to a computer system.
2. A programming interface, consisting of the set of statements, functions, options, and other ways of expressing program instructions and data provided by a program or language for a programmer to use.
3. The physical and logical arrangement supporting the attachment of any device to a connector or to another device.
As a verb, to interface means to communicate with another person or object. With hardware equipment, to interface means making an appropriate physical connection so that two pieces of equipment can communicate or work together effectively.
Interleaved 2 of 5 (I 2 of 5)
Interleaved
2 of 5 is a
Barcode Symbology that is used for many applications and is also referred to as USS
ITF 2/5, ITF and I 2of 5 (pronounced Eye 2 of 5). It is a high-density numeric barcode type that can only encode 0 -9. It is based on 2 of 5 but also encodes information in the spaces.

See
Symbologies (List) for a list of common symbologies.
Intermec –Interface Mechanisms
Intermec designs, manufactures and sells data collection equipment such as scanners, readers/decoders,
Barcode printers, print media, and other devices. In 1998, Intermec bought Norand, a competitor.


Interoperability is the ability of a system or a product to workwith other systems or products without special effort on the part of the customer. Interoperability has become a quality of increasing importance for information technology products in today’s open systems frame of thinking.
For instance, Symbol’s 802.1b handheld data collection computer and a laptop with a Cisco 802.11b radio PC Card will communicate with Intermec’s 802.11b Access Point. These products are said to be interoperable.
An RFID interrogator is analogous to the Barcode scanner. Also known as a reader, the interrogator sends an RF signal to an RFID Transponder (tag). The tag draws power from the signal and responds with a signal of its own. The interrogator then reads the signal from the tag and passes the data in digital form to a computer system.
Transponder (Tag)

Interrogator (reader)
An intranet is a private networkthat is contained within an enterprise. It may consist of many interlinked local area networks (
LAN) and also use leased lines in the Wide Area Network (
WAN). Typically, an intranet includes connections through one or more
Gateway computers to the outside Internet. The main purpose of an intranet is to share company information and computing resources among employees. An intranet can also be used to facilitate working in groups and for teleconferences.
An intranet uses
TCP/IP,
HTTP, and other Internet
Protocols and in general looks like a private version of the Internet. With tunneling, companies can send private messages through the public network, using the public network with special encryption/decryption and other security safeguards to connect one part of their intranet to another.
Intrinsic safety is a protection concept employed in potentially explosive atmospheres. Intrinsic safety relies on the electrical apparatus being designed so that it is unable to release sufficient energy, by either thermal or electrical means, to cause an ignition of a flammable gas. The energies required to ignite various gas groups have been proven by experimentation.
EN5O 020:1994 and EN5O 014:1992 are British and European published standards for intrinsic safety.
Intermec and Symbol have an intrinsically safe hand held data collection computer for intrinsically safe environments.
IP – Internet Protocol. IP –Ingress Protection
The Internet
Protocol (IP) is the method or protocol by which data is sent from one computer to another on a network. Each computer (known as a host) on the network has at least one
IP Address that uniquely identifies it from all other computers on the network. When you send or receive data (for example, an e-mail note or a Web page), the message gets divided into little chunks called
Packets. Each of these packets contains both the sender's Internet address and the receiver's address as well as the data. Ingress Protection ratings refer to a device’s protection against solids and liquids. For example, IP64 indicates total protection against dust and wind blown rain.

In the most widely installed level of the Internet Protocol (IP) today, an IP address is a 32-Bit number that identifies each sender or receiver of information that is sent in Packets across the Internet or a network. Unlike a MAC address, an IP address is a logical address and is assigned to a computer, printer or other device on a network either manually or automatically by a DHCP Server.
192.168.220.19 is an example of an IP address. It is presented in four octets, each of which is 8 bits comprising a decimal number from 0 to 255.
An IP address has two parts –the network address and the host address. The network is the first X number of bits (varies depending on the network) and the host address is the remaining bits. Subnet Masks determine how much of the IP address is network address and how much is host address.
IrDA –Infrared Data Association
IrDA is an industry-sponsored organization set up in 1993 to create international standards for the hardware and software used in
Infrared communication links. In this special form of
RF transmission, a focused ray of light in the infrared
Frequency spectrum, measured in terahertz, or trillions of
Hertz (cycles per second), is modulated with information and sent from a transmitter to a receiver over a relatively short distance. Infrared radiation (IR) is the same technology used to control a TV set with a remote control. Infrared data communication is playing an important role in
Wireless data communication due to the popularity of laptop computers, personal digital assistants (
PDAs), digital cameras, mobile telephones, pagers, and other devices.
IRL –Intermec Reader Language
There has been debate as to whether IRL stands for Intermec Reader Language or Interactive Reader Language. In any case, IRL is an Intermec proprietary programming language used to write applications for the 94XX and 95XX series products as well as the Janus product line.
IRL is sort of a cross between assembler language and BASIC and was designed specifically for data collection applications.
ISBN –International Standard Book Number
The ISBN (International Standard Book Number) is a unique number assigned to a book title by its publisher for tracking and ordering purposes. An example is: ISBN 0-385-49531-5 which is the ISBN for Simon Singh's The Code Book, a book about cryptography. Publishers, retailers, libraries, and readers use the ISBN as a way to specify a particular book without confusion. The principles and procedures for international standard book numbering are contained in the International Organization for Standardization's Recommendation 2108. The ISBN number can be encoded in
Barcode Symbologies such as
EAN and
EAN/UCC14 (
Code 128).
See Symbologies (List) for a list of common symbologies.

ISDN –Integrated Services Digital Network
ISDN is a set of standards for digital transmission over ordinary telephone copper wire as well as over other media. Home and business users who install an ISDN line can see transmission speed up to 128 Kbps).
ISM –Industrial, Scientific and Medical
The FCC allocated certain Frequency bands in the mid-1980s to stimulate the production and use of Wireless network products in ISM industries. The bands encompass the frequency ranges 902 to 928 MHz, 2400 to 2483.5 MHz, and 5725 to 5850 MHz. The advantage of the ISM bands is that they are unlicensed, which avoids expensive and lengthy licensing by the regulatory authorities. As long as a device operating in the ISM bands meets special FCC regulations, it does not require a license as long as it does exceed a transmitting power limit of 1 watt.
ISO –International Organization for Standardization
ISO, founded in 1947, is a worldwide federation of national standards bodies from some 100 countries, one from each country. Among the standards it fosters is Open Systems Interconnection (OSI), a universal reference model for communication Protocols. Many countries have national standards organizations such as the American National Standards Institute (ANSI) that participate in and contribute to ISO standards making. According to ISO, "ISO" is not an abbreviation. It is a word, derived from the Greek isos, meaning "equal", which is the root for the prefix "iso-" that occurs in a host of terms, such as "isometric" (of equal measure or dimensions) and "isonomy" (equality of laws, or of people before the law). The name ISO is used around the world to denote the organization, thus avoiding the assortment of abbreviations that would result from the translation of "International Organization for Standardization" into the different national languages of members. Whatever the country, the short form of the organization's name is always ISO. ISO is the source of the ISO9000 standards.

A theoretical
Antenna with a uniform 3D or spherical radiation pattern, similar to the way light radiates from an unobstructed light bulb.
An isotropic antenna is said to have a 0db gain when compared to itself. Gain relative to an isotropic antenna is denoted with
dBi.
Gain can also be denoted in relation to a
Dipole Antenna,
dBd.

ISP –Internet Service Provider
An ISP is a company that provides individuals and other companies access to the Internet and other related services such as Web site building and virtual hosting. An ISP has the equipment and the telecommunication line access required to have a point-of-presenceon the Internet for the geographic area served. The larger ISPs have their own high-speed leased lines so that they are less dependent on the telecommunication providers and can provide better service to their customers.
IT –Information Technology
IT is a term that encompasses all forms of technology used to
create, store, exchange, and use informationin its various
forms (business data, voice conversations, still images, motion
pictures, multimedia presentations, and other forms, including
those not yet conceived). It's a convenient term for including
both telephony and computer technology in the same word. It
is the technology that is driving what has often been called
"the information revolution."
ITF –Interleaved Two of Five
Another name for the Interleaved 2 of 5 Symbology.
A variation of Interleaved 2 of 5that always encodes 14 digits and is used for outer case coding, the ITF 14 symbol is used for trade items not passing the point of sale and is ideal for use where the symbol is to be pre-printed onto cardboard.
A variation of
ITF that always encodes 14 digits and is used for outer case coding, the ITF-14 symbol is used for trade items not passing the point of sale and is ideal for use where the symbol is to be pre-printed onto cardboard. ITF-14 is one of the
Symbologies that can represent a Global Trade Item Number (
GTIN).
