{"id":33161,"date":"2025-12-09T18:54:58","date_gmt":"2025-12-09T15:54:58","guid":{"rendered":"https:\/\/esi.edu.sa\/?post_type=courses&#038;p=33161"},"modified":"2025-12-09T18:57:12","modified_gmt":"2025-12-09T15:57:12","slug":"optical-fibers-level-1","status":"publish","type":"courses","link":"https:\/\/esi.edu.sa\/en\/courses\/optical-fibers-level-1\/","title":{"rendered":"Optical fibers &#8211; Level 1 and basic practical application"},"content":{"rendered":"<p><strong>Day 1: Introduction to Optical Fiber<\/strong><\/p>\n<p>*Theoretical*<br \/>\n&#8211; Concept and evolution of optical communications.<br \/>\n&#8211; Components of an optical system (Transmitter \u2013 Receiver \u2013 Fiber).<br \/>\n&#8211; Reflection, refraction, and Numerical Aperture (NA).<br \/>\n&#8211; Types of optical fibers (Single-Mode Fiber \u2013 SMF; Multi-Mode Fiber \u2013 MMF).<\/p>\n<p>*Practical*<br \/>\n&#8211; Hands-on identification of fiber optic cables.<br \/>\n&#8211; Inspection of cable layers using stripping tools.<\/p>\n<p>&#8212;<\/p>\n<p><strong>Day 2: FTTX and PON Networks<\/strong><\/p>\n<p>*Theoretical*<br \/>\n&#8211; Concept of FTTX and its variants (FTTH, FTTB, FTTC).<br \/>\n&#8211; Elements of a PON network (OLT, ONU, ODN).<br \/>\n&#8211; GPON, XG-PON, and XGS-PON technologies.<\/p>\n<p>*Practical*<br \/>\n&#8211; Connecting OLT\u2013Splitter\u2013ONT units on a training panel.<br \/>\n&#8211; Measuring optical loss using a Power Meter.<\/p>\n<p>&#8212;<\/p>\n<p><strong>Day 3: Fundamentals of WDM and DWDM<\/strong><\/p>\n<p>*Theoretical*<br \/>\n&#8211; Concept of Wavelength Division Multiplexing (WDM) and wavelength combining.<br \/>\n&#8211; Differences between WDM, DWDM, and CWDM.<br \/>\n&#8211; Functions of MUX, DEMUX, Splitter, Coupler, and Attenuator.<\/p>\n<p>*Practical*<br \/>\n&#8211; Hands-on connection of MUX and DEMUX units.<br \/>\n&#8211; Measuring loss per channel.<\/p>\n<p>&#8212;<\/p>\n<p><strong>Day 4: Basics of Optical Isolation and Supervisory Channels<\/strong><\/p>\n<p>*Theoretical*<br \/>\n&#8211; Concept of Optical Isolation.<br \/>\n&#8211; Supervisory channels (OSC and ESC) and their roles.<\/p>\n<p>*Practical*<br \/>\n&#8211; Experiment with an Optical Isolator.<br \/>\n&#8211; Reading OSC channel using a test instrument.<\/p>\n<p>&#8212;<\/p>\n<p><strong>Day 5: Field Survey and Preliminary Design<\/strong><\/p>\n<p>*Theoretical*<br \/>\n&#8211; Steps of a Site Survey.<br \/>\n&#8211; Fundamentals of High-Level Design (HLD).<br \/>\n&#8211; Overview of infrastructure components (ODF, OTB, FDH, Manholes).<\/p>\n<p>*Practical*<br \/>\n&#8211; Conducting a (virtual or hands-on) Site Survey.<br \/>\n&#8211; Preparing a basic Loss Budget.<\/p>\n","protected":false},"author":1,"featured_media":33158,"template":"","course_category":[46,38],"class_list":["post-33161","courses","type-courses","status-publish","has-post-thumbnail","hentry","course_category-computer","course_category-it-en","infinite-scroll-item","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/courses\/33161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/courses"}],"about":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/types\/courses"}],"author":[{"embeddable":true,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":3,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/courses\/33161\/revisions"}],"predecessor-version":[{"id":33164,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/courses\/33161\/revisions\/33164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/media\/33158"}],"wp:attachment":[{"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/media?parent=33161"}],"wp:term":[{"taxonomy":"course_category","embeddable":true,"href":"https:\/\/esi.edu.sa\/en\/wp-json\/wp\/v2\/course_category?post=33161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}