What are TIA/EIA standards?
The TIA/EIA standards specify the minimum requirements for multiproduct and multivendor environments. They allow for the planning and the installation of LAN systems without dictating the use of specific equipment giving LAN designers the freedom to create options for improvement and expansion. 47 – 239 Engineering Journal and Workbook, Vol. I, 2nd Ed. . Chapter 5 Copyright 2002 Cisco Systems, Inc. 11. What are patch panels? Patch panels are convenient groupings of RJ-45 jacks. They come in 12, 24, and 48 ports, and typically are rack mounted. The front sides are RJ-45 jacks; the back sides are punch-down blocks that provide connectivity or conducting paths. They are classified as Layer 1 components. 12. How many conductors does an RJ-45 jack have? An RJ-45 jack/connector is made up of eight conductors, four individual pairs. 13. What is a shared media environment? A shared media environment occurs when multiple hosts have access to the same medium. If several PCs are attached to the s
