User manual LINKSYS WCF11

[. . . ] Instant WirelessTM Series Wireless Network CF Card Use this Guide to install: WCF11 User Guide COPYRIGHT & TRADEMARKS Copyright © 2001 Linksys, All Rights Reserved. Instant WirelessTM is a registered trademark of Linksys. Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation. All other trademarks and brand names are the property of their respective proprietors. [. . . ] Ad hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation. An integrated wireless and wired LAN is called an Infrastructure configuration. Infrastructure is applicable to enterprise scale for wireless access to central database, or wireless application for mobile workers. Roaming is the ability of a portable computer user to communicate continuously while moving freely throughout an area greater than that covered by a single Access Point. Before using the roaming function, the workstation must make sure that it is the same channel number with the Access Point of dedicated coverage area. To achieve true seamless connectivity, the wireless LAN must incorporate a number of different functions. Each node and Access Point, for example, must always acknowledge receipt of each message. Each node must maintain contact with the wireless network even when not actually transmitting data. Achieving these functions simultaneously requires a dynamic RF networking technology that links Access Points and nodes. In such a system, the user's end node undertakes a search for the best possible access to the system. First, it evaluates such factors as signal strength and quality, as well as the message load currently being carried by each Access Point and the distance of each Access Point to the wired backbone. Based on that information, the node next selects the right Access Point and registers its address. Communications between end node and host computer can then be transmitted up and down the backbone. As the user moves on, the end nodes RF transmitter regularly checks the system to determine whether it is in touch with the original Access Point or whether it should seek a new one. When a node no longer receives acknowledgment from its original Access Point, it undertakes a new search. Upon finding a new Access Point, it then reregisters, and the communication process continues. A specific Ad hoc LAN is called a Basic Service Set (BSS). Computers in a BSS must be configured with the same BSS ID. Troubleshooting Common Problems and Solutions This chapter provides solutions to problems usually occurring during the installation and operation of the Network CF Card. Read the description below to solve your problems. If you can't find an answer here, check the Linksys website at www. linksys. com. My PDA does not recognize the Wireless CF Network Card. · Make sure that the Network CF Card is properly inserted into the CompactFlash port. [. . . ] A series of instructions that performs a particular task is called a "program. " The two major categories of software are "system software" and "application software. " System software is made up of control programs such as the operating system and database management system (DBMS). Application software is any program that processes data for the user. A common misconception is that software is data. Software tells the hardware how to process the data. [. . . ]