{"id":6736,"date":"2023-05-08T10:35:58","date_gmt":"2023-05-08T08:35:58","guid":{"rendered":"https:\/\/wp.delphin.de\/?post_type=glossar&#038;p=6736"},"modified":"2026-03-13T10:42:51","modified_gmt":"2026-03-13T09:42:51","slug":"100-basetx","status":"publish","type":"glossar","link":"https:\/\/www.delphin.de\/en\/glossar\/100-basetx\/","title":{"rendered":"100Base-TX (Fast Ethernet, IEEE 802.3u)"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The Standard <strong>100Base-TX<\/strong> is a further development of 10Base-T and belongs to the so-called <strong>Fast Ethernet<\/strong>-technologies. It describes how Ethernet networks with a <strong>Transmission rate of 100 Mbit\/s<\/strong> are operated via copper lines. Here, too, a <strong>Star topology<\/strong> used: Each device (e.g. PC, printer) is connected to a central network device such as a switch or hub.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The most important features:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cabling:<\/strong><br>100Base-TX uses <strong>Category 5 twisted pair cable (Cat5)<\/strong> or better. Although there are eight wires in a network cable (four wire pairs), with 100Base-TX only <strong>two wire pairs actively used<\/strong>:\n<ul class=\"wp-block-list\">\n<li>A pair for the <strong>Send<\/strong> from data<\/li>\n\n\n\n<li>A pair for the <strong>Receive<\/strong> from data<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Transmission speed:<\/strong><br>maximum <strong>100 Mbit\/s<\/strong> (ten times faster than 10Base-T)<\/li>\n\n\n\n<li><strong>Maximum cable length per connection:<\/strong><br><strong>100 m<\/strong> between end device and switch\/hub<\/li>\n\n\n\n<li><strong>Topology:<\/strong><br>Star-shaped - each terminal device has its own line to the distributor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks to these properties, 100Base-TX is suitable for networks in which <strong>higher data rates<\/strong> are required than with 10Base-T, e.g. for file sharing, network printers or Internet access with more bandwidth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is a <strong>Clear comparison table<\/strong> for the three standards:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Feature<\/strong><\/th><th><strong>10Base-T<\/strong><\/th><th><strong>100Base-TX<\/strong><\/th><th><strong>1000Base-T<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>IEEE standard<\/strong><\/td><td>IEEE 802.3 (Clause 14)<\/td><td>IEEE 802.3u<\/td><td>IEEE 802.3 (Clause 40)<\/td><\/tr><tr><td><strong>Designation<\/strong><\/td><td>Ethernet<\/td><td>Fast Ethernet<\/td><td>Gigabit Ethernet<\/td><\/tr><tr><td><strong>Max. transmission rate<\/strong><\/td><td>10 Mbit\/s<\/td><td>100 Mbit\/s<\/td><td>1 Gbit\/s<\/td><\/tr><tr><td><strong>Cabling<\/strong><\/td><td>Twisted pair, Cat3 or better<\/td><td>Twisted pair, Cat5 or better<\/td><td>Twisted pair, Cat5e or better<\/td><\/tr><tr><td><strong>Used wire pairs<\/strong><\/td><td>2 pairs (1x transmit, 1x receive)<\/td><td>2 pairs (1x transmit, 1x receive)<\/td><td>4 pairs (transmit + receive simultaneously)<\/td><\/tr><tr><td><strong>Max. Segment length<\/strong><\/td><td>100 m<\/td><td>100 m<\/td><td>100 m<\/td><\/tr><tr><td><strong>Topology<\/strong><\/td><td>Star (hub\/switch as center)<\/td><td>Star (switch as center)<\/td><td>Star (switch as center)<\/td><\/tr><tr><td><strong>Downwards compatible<\/strong><\/td><td>-<\/td><td>to 10Base-T<\/td><td>to 10Base-T and 100Base-TX<\/td><\/tr><tr><td><strong>Typical use<\/strong><\/td><td>Small, simple networks<\/td><td>Faster office\/industry networks<\/td><td>Today's standard in the office &amp; home network<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"featured_media":0,"template":"","class_list":["post-6736","glossar","type-glossar","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.delphin.de\/en\/wp-json\/wp\/v2\/glossar\/6736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.delphin.de\/en\/wp-json\/wp\/v2\/glossar"}],"about":[{"href":"https:\/\/www.delphin.de\/en\/wp-json\/wp\/v2\/types\/glossar"}],"wp:attachment":[{"href":"https:\/\/www.delphin.de\/en\/wp-json\/wp\/v2\/media?parent=6736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}