Lexmark Platinum Pro900 User's Guide - Page 127
What is an IP address?, What is TCP/IP?, How do I locate IP addresses?, For Windows users
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What is an IP address? An IP address is a unique number used by devices (such as a wireless printer, computer, or wireless access point) on an IP network to locate and communicate with each other. Devices on an IP network can communicate with each other only if they have unique and valid IP addresses. A unique IP address means no two devices on the same network have the same IP address. An IP address is a group of four numbers separated by periods. An example of an IP address is 192.168.100.110. What is TCP/IP? Networks are able to function because computers, printers, and other devices are able to send data to each other, either through cables or by using wireless signals. This transfer of data is made possible by sets of data transmission rules called protocols. A protocol can be thought of as a language, and like a language, it has rules allowing participants to communicate with each other. Different types of networks use different protocols, but Transmission Control Protocol/Internet Protocol (TCP/IP) is the most popular. TCP/IP is used to send data over the Internet as well as over most corporate and home networks. Because computers do not understand words and instead rely upon numbers for communication, TCP/IP requires that every device on a network using TCP/IP to communicate must have an IP address. IP addresses are essentially unique computer names in a numeric format, used to transfer data around a network. IP addresses allow TCP/IP to confirm requests for and receipt of data by various devices on the network. How do I locate IP addresses? For Windows users 1 Click , or click Start and then click Run. 2 In the Start Search or Run box, type cmd. 3 Press Enter, or click OK. The Command Prompt window opens. 4 Type ipconfig, and then press Enter. The IP address appears as four sets of numbers separated by periods, such as 192.168.0.100. For Macintosh users 1 From the Apple menu, choose About This Mac. 2 Click More Info. 3 From the Contents pane, choose Network. 4 If you are connected over a wireless network, choose AirPort from the Active Services list. How to locate a printer IP address • You can locate the printer IP address by viewing the printer network setup page. Networking 127