{"id":44,"date":"2015-08-21T14:57:39","date_gmt":"2015-08-21T14:57:39","guid":{"rendered":"http:\/\/wiki.thomasandsofia.com\/?p=44"},"modified":"2015-09-06T20:22:26","modified_gmt":"2015-09-06T20:22:26","slug":"ccent-3-s01-e09-lans-understanding-the-physical-connections","status":"publish","type":"post","link":"https:\/\/wiki.thomasandsofia.com\/?p=44","title":{"rendered":"CCENT 3 S01 E09 \u2013 LANS: Understanding the Physical Connections"},"content":{"rendered":"<h3>A View of Network Cards on PCs and Cisco Devices<\/h3>\n<p>Cable<\/p>\n<ul>\n<li>Thin Net<\/li>\n<li>Would tap into a baseball bat sized with a vampire like connection.<\/li>\n<\/ul>\n<p>Cat-5: Transceiver<\/p>\n<ul>\n<li>Category 5: Unshielded Twisted Pair (UTP)<\/li>\n<li>Most Popular<\/li>\n<li>Higher the Category, the more twists, the more twists, the better the signal strength.<\/li>\n<li>Connection: RJ-45<\/li>\n<li>Max Distance: 100 meters<\/li>\n<\/ul>\n<p>Multi-Mode Fiber<\/p>\n<ul>\n<li>Allows multiple light signals simultaniously<\/li>\n<li>Max distance: 275 meters to a few miles<\/li>\n<li>Connection: Varies<\/li>\n<li>Less Distance and not as clean as &#8220;Single-Mode&#8221;<\/li>\n<\/ul>\n<p>Single-Mode Fiber<\/p>\n<ul>\n<li>Typically difficult to work with.\n<ul>\n<li>Often requires specialized technicians<\/li>\n<li>Solid glass core<\/li>\n<li>Fragile<\/li>\n<\/ul>\n<\/li>\n<li>Distance: Hundreds of miles<\/li>\n<li>Connection types also vary and are expensive<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Understanding Ethernet Cabling<\/h3>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/wiki.thomasandsofia.com\/wp-content\/uploads\/2015\/08\/t568a-t568b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49\" src=\"http:\/\/wiki.thomasandsofia.com\/wp-content\/uploads\/2015\/08\/t568a-t568b.jpg\" alt=\"t568a-t568b\" width=\"396\" height=\"286\" srcset=\"https:\/\/wiki.thomasandsofia.com\/wp-content\/uploads\/2015\/08\/t568a-t568b.jpg 396w, https:\/\/wiki.thomasandsofia.com\/wp-content\/uploads\/2015\/08\/t568a-t568b-300x217.jpg 300w, https:\/\/wiki.thomasandsofia.com\/wp-content\/uploads\/2015\/08\/t568a-t568b-150x108.jpg 150w\" sizes=\"auto, (max-width: 396px) 100vw, 396px\" \/><\/a><\/p>\n<ul>\n<li>Separate the 8 wires into strands<\/li>\n<li>Arrange the wires into a standard (T568B Most Common!)<\/li>\n<li>Slip over the connector and crimp.<\/li>\n<li>Use the same standard on both ends to create a straight-through cable.\n<ul>\n<li>Used for UNLIKE device connections, PC to Switch, Switch to Router, etc.<\/li>\n<\/ul>\n<\/li>\n<li>Use BOTH T568-A and T568-B to create a Crossover Cable (aka Null Modem)\n<ul>\n<li>Used for LIKE device connections, PC to PC, Switch to Switch, Router to Router, etc.<\/li>\n<\/ul>\n<\/li>\n<li>Failure to use one of these standards will result in a cable that will not work reliably over the stated distance.<\/li>\n<\/ul>\n<p>There are usually &#8220;Patch Panels&#8221; between wall outlets and the Switch. This makes it much easier to change or move switches.<\/p>\n<h3>The Two Types of Ethernet Cables<\/h3>\n<p><b>Straight-Through<\/b><\/p>\n<ul>\n<li>Used for UNLIKE device connections, PC to Switch, Switch to Router, etc.<\/li>\n<\/ul>\n<p><b>Cross-Over<\/b><\/p>\n<ul>\n<li>Used for LIKE device connections, PC to PC, Switch to Switch, Router to Router, etc.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A View of Network Cards on PCs and Cisco Devices Cable Thin Net Would tap into a baseball bat sized with a vampire like connection. Cat-5: Transceiver Category 5: Unshielded Twisted Pair (UTP) Most Popular Higher the Category, the more twists, the more twists, the better the signal strength. Connection: RJ-45 Max Distance: 100 meters ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/wiki.thomasandsofia.com\/?p=44\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,3,9,2],"tags":[],"class_list":["post-44","post","type-post","status-publish","format-standard","hentry","category-cabling-and-connections","category-ccent","category-lans","category-networking"],"_links":{"self":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/44","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=44"}],"version-history":[{"count":10,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/44\/revisions"}],"predecessor-version":[{"id":190,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/44\/revisions\/190"}],"wp:attachment":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}