{"id":37637,"date":"2026-09-22T15:55:13","date_gmt":"2026-09-22T12:55:13","guid":{"rendered":"https:\/\/esi.edu.sa\/?page_id=37637"},"modified":"2026-09-22T20:25:19","modified_gmt":"2026-09-22T17:25:19","slug":"optical-fiber-systems","status":"publish","type":"page","link":"https:\/\/esi.edu.sa\/en\/optical-fiber-systems\/","title":{"rendered":"Optical Fiber Systems"},"content":{"rendered":"<div class=\"gb-container 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24px;font-family:inherit;font-size:16px;font-weight:700;letter-spacing:.2px;color:#fff;background:var(--esi-brand-600);border:none;border-radius:999px;cursor:pointer;box-shadow:var(--esi-shadow-brand);transition:background .2s var(--esi-ease),transform .2s var(--esi-ease)}\n.esi-lp .wpforms-form button.wpforms-submit:hover{background:var(--esi-brand-700);color:#fff}\n.esi-lp .wpforms-form button.wpforms-submit:active{transform:translateY(1px)}\n.esi-lp .wpforms-form label.wpforms-error{margin-top:6px;font-size:13.5px;font-weight:600;color:var(--esi-warm-ink)}\n.esi-lp .wpforms-form input.wpforms-error,.esi-lp .wpforms-form select.wpforms-error,.esi-lp .wpforms-form textarea.wpforms-error{border-color:var(--esi-warm-500)}\n.esi-lp .wpforms-confirmation-container-full,.esi-lp div[submit-success]>.wpforms-confirmation-container-full{margin:0;padding:16px 20px;color:var(--esi-brand-700);background:var(--esi-brand-50);border:1px solid var(--esi-brand-400);border-radius:16px}\n@media (max-width:860px){\n.esi-lp-nav__links{display:none}\n.esi-lp-nav .esi-btn{margin-inline-start:auto;flex:0 0 auto}\n.esi-lp .esi-lp-hero__media.is-missing{display:none}\n}\n@media (min-width:861px){\n.esi-lp .esi-lp-hero{background:linear-gradient(150deg,var(--esi-brand-600),var(--esi-brand-900));color:#fff}\n.esi-lp .esi-lp-hero__media{position:absolute;inset:0;aspect-ratio:auto}\n.esi-lp .esi-lp-hero__media::after{background:linear-gradient(to right,rgba(12,55,68,.94) 0%,rgba(12,55,68,.86) 36%,rgba(12,55,68,.42) 66%,rgba(12,55,68,.16) 100%),linear-gradient(to top,rgba(12,55,68,.5),rgba(12,55,68,0) 40%)}\n.esi-lp .esi-lp-hero__in{display:flex;align-items:center;min-height:min(70vh,640px);padding-block:clamp(56px,7vw,96px)}\n.esi-lp .esi-lp-hero .esi-kicker{color:var(--esi-accent)}\n.esi-lp .esi-lp-hero .esi-kicker::before{background:var(--esi-accent)}\n.esi-lp .esi-lp-hero h1{color:#fff}\n.esi-lp .esi-lp-hero h1 span{color:var(--esi-accent)}\n.esi-lp .esi-lp-hero .esi-lp-hero__lead{color:rgba(255,255,255,.86)}\n.esi-lp .esi-lp-hero .esi-pill{color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22)}\n.esi-lp .esi-lp-hero .esi-pill--warm{background:rgba(252,96,12,.3);border-color:rgba(252,96,12,.55)}\n.esi-lp .esi-lp-hero .esi-btn--primary{color:var(--esi-brand-700);background:#fff;box-shadow:none}\n.esi-lp .esi-lp-hero .esi-btn--primary:hover{background:var(--esi-surface-2);color:var(--esi-brand-700)}\n.esi-lp .esi-lp-hero .esi-btn--ghost{color:#fff;background:transparent;border-color:rgba(255,255,255,.4)}\n.esi-lp .esi-lp-hero .esi-btn--ghost:hover{border-color:var(--esi-accent);color:#fff}\n}\n@media (max-width:640px){\n.esi-lp .esi-lp-journey__svg{display:none}\n.esi-lp .esi-lp-journey__steps{grid-template-columns:1fr;gap:0;text-align:start}\n.esi-lp .esi-lp-journey__steps li{position:relative;padding:10px 0 14px 0;padding-inline-start:26px;border-inline-start:2px solid var(--esi-line-strong)}\n.esi-lp .esi-lp-journey__steps li::before{content:\"\";position:absolute;inset-inline-start:-8px;top:16px;width:14px;height:14px;border-radius:999px;background:var(--esi-brand-600);border:3px solid var(--esi-surface);box-shadow:0 0 0 2px var(--esi-brand-400)}\n.esi-lp .esi-lp-journey__steps li:last-child::before{background:var(--esi-warm-ink);box-shadow:0 0 0 2px var(--esi-warm-500)}\n}\n@media (max-width:560px){\n.esi-lp-sticky__in{justify-content:center}\n.esi-lp-sticky__t{width:100%;text-align:center}\n.esi-lp-sticky__cta{width:100%;flex-direction:column;align-items:stretch;gap:8px}\n.esi-lp-sticky__open{text-align:center}\n.esi-lp-sticky .esi-btn{width:100%}\n.esi-lp-hero__cta .esi-btn,.esi-lp-band__cta .esi-btn{width:100%}\n.esi-lp-modal__close{inset-inline-end:6px}\n}\n@media (prefers-reduced-motion:reduce){\n.esi-lp *,.esi-lp *::before,.esi-lp *::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;transition-delay:0s !important}\n.esi-lp--js .esi-reveal{opacity:1;transform:none}\n.esi-lp-sticky{transform:none}\n.esi-lp .esi-lp-journey__pulse{animation:none;opacity:0}\n}\n@media print{.esi-lp-nav,.esi-lp-sticky,.esi-lp-modal{display:none}}\n.esi-lp-nav__lang{display:flex;align-items:center;flex:0 0 auto;font-size:14px}.esi-lp-nav__lang ul{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}.esi-lp-nav__lang li{list-style:none}.esi-lp-nav__lang a{display:flex;align-items:center}.esi-lp-nav__lang img{display:block;width:22px;height:auto;border-radius:3px}\n<\/style>\n\n<section class=\"esi-lp\" id=\"esi-lp\" dir=\"ltr\" lang=\"en\" data-kind=\"course\">\n<!-- ESI \u00b7 Optical Fiber Systems \u00b7 English LTR registration page \u00b7 no payment on page.\n     TODO before publishing: 1) set the WPForms ID below (id=\"FORM_07_EN\"). 2) Photos hot-linked from Unsplash (free) \u2014 recommended: re-upload to esi.edu.sa and replace src; a dead URL falls back to the teal gradient automatically. -->\n  <div class=\"esi-lp-nav\">\n    <div class=\"esi-lp-wrap esi-lp-nav__in\">\n      <a class=\"esi-lp-nav__brand\" href=\"https:\/\/esi.edu.sa\/\"><img decoding=\"async\" style=\"height:60px;\" src=\"https:\/\/esi.edu.sa\/wp-content\/uploads\/2025\/05\/logo.png\" alt=\"Engineering Sciences Institute for Training\"><\/a>\n      <nav class=\"esi-lp-nav__links\" aria-label=\"Page links\">\n        <a href=\"#esi-lp-overview\">Overview<\/a>\n        <a href=\"#esi-lp-curriculum\">Modules<\/a>\n        <a href=\"#esi-lp-audience\">Who should attend<\/a>\n        <a href=\"#esi-lp-admission\">FAQ<\/a>\n      <\/nav>\n      <span class=\"esi-lp-nav__lang\">\n<div role=\"navigation\" aria-label=\"Language Switcher\" class=\"wpml-ls-statics-shortcode_actions wpml-ls wpml-ls-legacy-list-horizontal\">\n\t<ul><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-ar wpml-ls-first-item wpml-ls-last-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/esi.edu.sa\/\" hreflang=\"ar\" lang=\"ar\" class=\"wpml-ls-link\" aria-label=\"Switch to Arabic\" title=\"Switch to Arabic\">\n\t\t\t\t\t                                    <img decoding=\"async\"\n            class=\"wpml-ls-flag\"\n            src=\"https:\/\/esi.edu.sa\/wp-content\/uploads\/flags\/ar.png\"\n            alt=\"Arabic\"\n            loading=\"lazy\"\n            width=18\n            height=12\n    \/><\/a>\n\t\t\t<\/li><\/ul>\n<\/div>\n<\/span>\n      <a class=\"esi-btn esi-btn--primary\" href=\"#esi-lp-apply\" data-esi-lp-open=\"\">Register now<\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"esi-lp-hero\" id=\"esi-lp-top\">\n    <figure class=\"esi-lp-img esi-lp-hero__media\" data-esi-lp-img=\"\" data-label=\"\"><picture><source media=\"(max-width:860px)\" srcset=\"https:\/\/images.unsplash.com\/photo-1604869515882-4d10fa4b0492?auto=format&amp;fit=crop&amp;w=1200&amp;h=750&amp;q=75\"><img src=\"https:\/\/images.unsplash.com\/photo-1604869515882-4d10fa4b0492?auto=format&amp;fit=crop&amp;w=2400&amp;h=1000&amp;q=75\" srcset=\"https:\/\/images.unsplash.com\/photo-1604869515882-4d10fa4b0492?auto=format&amp;fit=crop&amp;w=1600&amp;h=667&amp;q=75 1600w, https:\/\/images.unsplash.com\/photo-1604869515882-4d10fa4b0492?auto=format&amp;fit=crop&amp;w=2400&amp;h=1000&amp;q=75 2400w\" sizes=\"100vw\" alt=\"Light travelling through optical fiber strands\" width=\"2400\" height=\"1000\" fetchpriority=\"high\" decoding=\"async\"><\/picture><\/figure>\n    <div class=\"esi-lp-wrap esi-lp-hero__in\">\n      <div class=\"esi-lp-hero__copy\">\n        <span class=\"esi-kicker\">Technical training course<\/span>\n        <h1>Optical Fiber Systems: Fundamentals, Installation, Testing &amp; Troubleshooting<span>From fiber fundamentals to OTDR and network design<\/span><\/h1>\n        <p class=\"esi-lp-hero__lead\">This course provides practical knowledge of optical fiber systems \u2014 covering fiber fundamentals, cable construction, connectors, ODFs, splicing, testing, troubleshooting and fiber network design. Participants also learn fiber network topologies, redundancy, link budgets, engineering margins and advanced fiber technologies.<\/p>\n        <div class=\"esi-lp-hero__cta\">\n          <button type=\"button\" class=\"esi-btn esi-btn--primary\" data-esi-lp-open=\"\">Register your seat<\/button>\n          <a class=\"esi-btn esi-btn--ghost\" href=\"#esi-lp-curriculum\">View the modules<\/a>\n        <\/div>\n        <div class=\"esi-lp-hero__meta\"><span class=\"esi-pill\">4 modules<\/span><span class=\"esi-pill\">29 topics<\/span><span class=\"esi-pill\">4 days \/ 32 hours<\/span><span class=\"esi-pill\">Practical, hands-on<\/span><span class=\"esi-pill\">Engineering Sciences Institute<\/span><span class=\"esi-pill esi-pill--warm\">Registration open \u2014 no payment required online<\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <span data-esi-lp-sentinel=\"\" aria-hidden=\"true\"><\/span>\n\n  <section class=\"esi-lp-section esi-lp-section--tint\" id=\"esi-lp-apply\" aria-labelledby=\"esi-lp-apply-t\">\n    <div class=\"esi-lp-wrap esi-lp-apply__in\">\n      <div class=\"esi-lp-apply__copy\">\n        <span class=\"esi-kicker\">Registration<\/span>\n        <h2 id=\"esi-lp-apply-t\">Register for this course<\/h2>\n        <p style=\"margin-top:14px\">Complete the form and the ESI admissions team will contact you to confirm your seat and the course schedule.<\/p>\n        <ul class=\"esi-checklist esi-lp-apply__points\"><li><span>Optical Fiber Systems \u2014 Fundamentals, Installation, Testing &amp; Troubleshooting.<\/span><\/li><li><span>4 training modules \u00b7 29 topics \u00b7 4 days \/ 32 hours.<\/span><\/li><li><span>Practical course delivered by the Engineering Sciences Institute for Training.<\/span><\/li><li><span>No payment is required to register \u2014 you will be contacted to complete the process.<\/span><\/li><\/ul>\n        <a class=\"esi-lp-contact\" href=\"tel:920009474\"><svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M6.5 3h3l1.5 4-2 1.5a12 12 0 0 0 5.5 5.5l1.5-2 4 1.5v3a2 2 0 0 1-2.2 2A16.5 16.5 0 0 1 4.5 5.2 2 2 0 0 1 6.5 3Z\"><\/path><\/svg><span>Enquiries: ESI unified number <span class=\"esi-mono\">920009474<\/span><\/span><\/a>\n      <\/div>\n      <div>\n        <div class=\"esi-lp-formhost\" data-esi-lp-host=\"\"><!-- TODO: set the correct WPForms ID --><div data-esi-lp-form=\"\"><div class=\"wpforms-container wpforms-container-full\" id=\"wpforms-37668\"><form id=\"wpforms-form-37668\" class=\"wpforms-validate wpforms-form\" data-formid=\"37668\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/en\/wp-json\/wp\/v2\/pages\/37637\" data-token=\"0424d51eae356a2545d1501ebc19bafd\" data-token-time=\"1792752741\"><noscript class=\"wpforms-error-noscript\">Please enable JavaScript in your browser to complete this form.<\/noscript><div class=\"wpforms-field-container\"><div id=\"wpforms-37668-field_13-container\" class=\"wpforms-field wpforms-field-radio wpforms-conditional-trigger\" data-field-type=\"radio\" data-field-id=\"13\"><label class=\"wpforms-field-label\">Registration Type <span class=\"wpforms-required-label\">*<\/span><\/label><ul id=\"wpforms-37668-field_13\" class=\"wpforms-field-required\"><li class=\"choice-1 depth-1\"><input type=\"radio\" id=\"wpforms-37668-field_13_1\" name=\"wpforms[fields][13]\" value=\"Individual\" required ><label class=\"wpforms-field-label-inline\" for=\"wpforms-37668-field_13_1\">Individual<\/label><\/li><li class=\"choice-2 depth-1\"><input type=\"radio\" id=\"wpforms-37668-field_13_2\" name=\"wpforms[fields][13]\" value=\"Organisation\" required ><label class=\"wpforms-field-label-inline\" for=\"wpforms-37668-field_13_2\">Organisation<\/label><\/li><\/ul><\/div><div id=\"wpforms-37668-field_14-container\" class=\"wpforms-field wpforms-field-text wpforms-conditional-field wpforms-conditional-show\" data-field-type=\"text\" data-field-id=\"14\" style=\"display:none;\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_14\">Organisation \/ Company Name <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_14\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][14]\" required><\/div><div id=\"wpforms-37668-field_1-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"1\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_1\">Full Name (in English) <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_1\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][1]\" required><\/div><div id=\"wpforms-37668-field_2-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_2\">First Name (in Arabic) <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" required><\/div><div id=\"wpforms-37668-field_3-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_3\">Second Name (in Arabic) <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_3\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][3]\" required><\/div><div id=\"wpforms-37668-field_4-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_4\">Third Name (in Arabic) <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_4\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][4]\" required><\/div><div id=\"wpforms-37668-field_5-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"5\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_5\">Last Name (in Arabic) <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_5\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][5]\" required><\/div><div id=\"wpforms-37668-field_6-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"6\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_6\">National ID Number <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_6\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][6]\" required><\/div>\t\t<div id=\"wpforms-37668-field_15-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"15\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-37668-field_15\" >Gender Notes (in<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-37668-field_15\" class=\"wpforms-field-medium\" name=\"wpforms[fields][15]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-37668-field_7-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"7\"><label class=\"wpforms-field-label\" for=\"wpforms-37668-field_7\">Nationality <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-37668-field_7\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][7]\" placeholder=\"e.g., Saudi, Egyptian\" required><\/div><div id=\"wpforms-37668-field_8-container\" class=\"wpforms-field wpforms-field-phone\" data-field-type=\"phone\" data-field-id=\"8\"><label 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      <label class=\"muzamna-consent-label\" for=\"muzamna-consent-37668\">\r\n                <input type=\"checkbox\"\r\n                       id=\"muzamna-consent-37668\"\r\n                       name=\"muzamna_privacy_consent\"\r\n                       value=\"1\"\r\n                       data-consent-input\r\n                       required \/>\r\n                <span class=\"muzamna-consent-text\">\r\n                    I have read the <a href=\"https:\/\/esi.edu.sa\/en\/privacy-policy\/\" target=\"_blank\" rel=\"noopener\">Privacy Policy<\/a> in full, understand its terms, and consent to how my data is collected and processed.                    <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span>\r\n                <\/span>\r\n            <\/label>\r\n            <div class=\"muzamna-consent-error\" role=\"alert\" hidden>\r\n                You must agree to the privacy policy to continue.\n            <\/div>\r\n        <\/div>\r\n        <button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-37668\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"Submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Submit<\/button><\/div><\/form><\/div>  <!-- .wpforms-container --><\/div><\/div>\n        <div class=\"esi-lp-formcard\">\n          <span class=\"esi-kicker\">Registration form<\/span>\n          <h3>Complete your registration<\/h3>\n          <p>The form opens on this page without leaving it, and takes under two minutes.<\/p>\n          <button type=\"button\" class=\"esi-btn esi-btn--primary\" data-esi-lp-open=\"\">Open registration form<\/button>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section\" aria-label=\"Quick facts\">\n    <div class=\"esi-lp-wrap\"><div class=\"esi-lp-stats esi-reveal\"><div class=\"esi-lp-stat esi-lp-stat--hl\"><div class=\"esi-lp-stat__k\">Modules<\/div><div class=\"esi-lp-stat__v\">4 modules<\/div><div class=\"esi-lp-stat__note\">29 topics across the programme<\/div><\/div><div class=\"esi-lp-stat\"><div class=\"esi-lp-stat__k\">Topics<\/div><div class=\"esi-lp-stat__v\">29 topics<\/div><div class=\"esi-lp-stat__note\">Across 4 modules<\/div><\/div><div class=\"esi-lp-stat\"><div class=\"esi-lp-stat__k\">Duration<\/div><div class=\"esi-lp-stat__v\">4 days<\/div><div class=\"esi-lp-stat__note\">32 training hours \u00b7 dates confirmed on registration<\/div><\/div><div class=\"esi-lp-stat\"><div class=\"esi-lp-stat__k\">Registration<\/div><div class=\"esi-lp-stat__v\">Open<\/div><div class=\"esi-lp-stat__note\">Register online \u2014 no payment required on this page<\/div><\/div><\/div><\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section\" id=\"esi-lp-overview\" aria-labelledby=\"esi-lp-overview-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-grid esi-grid--wide\">\n        <div class=\"esi-card esi-lp-overview__main\">\n          <figure class=\"esi-lp-img esi-lp-overview__fig\" data-esi-lp-img=\"\" data-label=\"Course image \u2014 add an optical-fiber photo (1600 \u00d7 900)\"><\/figure>\n          <span class=\"esi-kicker\">Course overview<\/span>\n          <h2 id=\"esi-lp-overview-t\">Optical Fiber Systems: Fundamentals, Installation, Testing &amp; Troubleshooting<\/h2>\n          <p style=\"margin-top:16px\">This course provides practical knowledge of optical fiber systems, covering fiber fundamentals, cable construction, connectors, ODFs, splicing, testing, troubleshooting and fiber network design.<\/p>\n          <p>The program combines theory with hands-on practice on optical test instruments and OTDR trace interpretation, through to fiber core planning, network design and the principles of protection and redundancy.<\/p>\n          <div class=\"esi-panel esi-lp-goal\"><div class=\"esi-lp-goal__k\">Course goal<\/div><p>Provide the essential knowledge and hands-on skills to understand, install, test, troubleshoot and design optical fiber systems and networks.<\/p><\/div>\n        <\/div>\n        <div class=\"esi-lp-overview__aside\">\n          <div class=\"esi-lp-accred\">\n            <div class=\"esi-lp-accred__k\">Training provider<\/div>\n            <div class=\"esi-lp-accred__t\">Engineering Sciences Institute for Training<\/div>\n            <p>A practical technical course combining theory, hands-on exercises and optical test-instrument practice for fiber-optic and telecom professionals.<\/p>\n            <div class=\"esi-lp-accred__rule\"><\/div><dl class=\"esi-lp-accred__codes\"><div><dt>Structure<\/dt><dd>4 modules \u00b7 29 topics<\/dd><\/div><div><dt>Duration<\/dt><dd>4 days \/ 32 hours<\/dd><\/div><\/dl>\n          <\/div>\n          <div class=\"esi-card\">\n            <div class=\"esi-lp-stat__k\" style=\"margin-bottom:14px\">Course objectives \u2014 at a glance<\/div>\n            <ul class=\"esi-checklist\"><li><span>Understand the fundamentals of fiber-optic communication.<\/span><\/li><li><span>Explain how light travels through optical fiber.<\/span><\/li><li><span>Differentiate between single-mode and multimode fiber.<\/span><\/li><li><span>Understand fiber wavelengths, attenuation, dB and dBm.<\/span><\/li><li><span>Identify fiber cable components, cores, ODFs, connectors, pigtails and patch cords.<\/span><\/li><\/ul>\n            <p style=\"margin-top:14px;font-size:14px\"><a href=\"#esi-lp-objectives\">See all 10 objectives<\/a><\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section esi-lp-section--tint esi-lp-why\" aria-labelledby=\"esi-lp-why-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-sechead esi-reveal\"><span class=\"esi-kicker\">Why this course<\/span><h2 id=\"esi-lp-why-t\">Built on practice, not theory alone<\/h2><\/div>\n      <div class=\"esi-grid esi-grid--auto\"><div class=\"esi-card esi-card--hover\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 16a8 8 0 0 1 16 0\"><\/path><path d=\"M12 16l3.5-5\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><path d=\"M4 16h2M18 16h2M6.3 10.3l1.4 1.4M17.7 10.3l-1.4 1.4M12 8v2\"><\/path><\/svg><\/div><h3>Fiber fundamentals: how light travels, single-mode vs multimode<\/h3><\/div><div class=\"esi-card esi-card--hover\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M2 12h3l2-6 3 12 3-9 2 5 2-2h5\"><\/path><\/svg><\/div><h3>Attenuation, dB vs dBm and fiber wavelengths<\/h3><\/div><div class=\"esi-card esi-card--hover\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 3l8 4.5v9L12 21l-8-4.5v-9L12 3Z\"><\/path><path d=\"M4 7.5l8 4.5 8-4.5M12 12v9\"><\/path><\/svg><\/div><h3>Cables, ODF, connectors &amp; fusion splicing<\/h3><\/div><div class=\"esi-card esi-card--hover\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M6 3h8l4 4v14H6z\"><\/path><path d=\"M14 3v4h4M9 12h6M9 16h4\"><\/path><\/svg><\/div><h3>Reading OTDR traces &amp; calculating link budgets<\/h3><\/div><div class=\"esi-card esi-card--hover\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 3l7 3v6c0 4.5-3 7.5-7 9-4-1.5-7-4.5-7-9V6l7-3Z\"><\/path><path d=\"M9 12l2 2 4-4\"><\/path><\/svg><\/div><h3>Testing with OPM, light source, VFL &amp; OTDR<\/h3><\/div><div class=\"esi-card esi-card--hover\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"6\" cy=\"18\" r=\"2.5\"><\/circle><circle cx=\"18\" cy=\"6\" r=\"2.5\"><\/circle><path d=\"M8.5 18H13a3 3 0 0 0 3-3v-1a3 3 0 0 1 3-3h-3.5\"><\/path><\/svg><\/div><h3>Network topologies, redundancy, protection &amp; design<\/h3><\/div><\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section\" id=\"esi-lp-curriculum\" aria-labelledby=\"esi-lp-curriculum-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-sechead esi-reveal\"><span class=\"esi-kicker\">Training contents<\/span><h2 id=\"esi-lp-curriculum-t\">Course modules<\/h2><p>4 modules covering 29 topics, from fiber fundamentals to OTDR testing and network design.<\/p><\/div>\n      <div class=\"esi-lp-journey esi-reveal\" aria-label=\"Course journey across the modules\"><svg class=\"esi-lp-journey__svg\" viewBox=\"0 0 1000 150\" aria-hidden=\"true\"><path class=\"esi-lp-journey__track\" d=\"M125 78 C 200 42, 300 42, 375 60 C 470 82, 530 82, 625 60 C 720 42, 800 42, 875 78\"><\/path><path class=\"esi-lp-journey__line\" pathLength=\"1\" d=\"M125 78 C 200 42, 300 42, 375 60 C 470 82, 530 82, 625 60 C 720 42, 800 42, 875 78\"><\/path><g class=\"esi-lp-journey__node\" style=\"--i:0\"><circle class=\"esi-lp-journey__ring\" cx=\"125\" cy=\"78\" r=\"16\"><\/circle><circle class=\"esi-lp-journey__dot\" cx=\"125\" cy=\"78\" r=\"7\"><\/circle><\/g><g class=\"esi-lp-journey__node\" style=\"--i:1\"><circle class=\"esi-lp-journey__ring\" cx=\"375\" cy=\"60\" r=\"16\"><\/circle><circle class=\"esi-lp-journey__dot\" cx=\"375\" cy=\"60\" r=\"7\"><\/circle><\/g><g class=\"esi-lp-journey__node\" style=\"--i:2\"><circle class=\"esi-lp-journey__ring\" cx=\"625\" cy=\"60\" r=\"16\"><\/circle><circle class=\"esi-lp-journey__dot\" cx=\"625\" cy=\"60\" r=\"7\"><\/circle><\/g><g class=\"esi-lp-journey__node esi-lp-journey__node--end\" style=\"--i:3\"><circle class=\"esi-lp-journey__pulse\" cx=\"875\" cy=\"78\" r=\"16\"><\/circle><circle class=\"esi-lp-journey__ring\" cx=\"875\" cy=\"78\" r=\"16\"><\/circle><circle class=\"esi-lp-journey__dot\" cx=\"875\" cy=\"78\" r=\"7\"><\/circle><\/g><\/svg><ol class=\"esi-lp-journey__steps\" style=\"--n:4\"><li><span class=\"esi-lp-journey__k\">Module 1<\/span><strong>Fundamentals<\/strong><span class=\"esi-lp-journey__d\">6 topics<\/span><\/li><li><span class=\"esi-lp-journey__k\">Module 2<\/span><strong>Cables &amp; Splicing<\/strong><span class=\"esi-lp-journey__d\">7 topics<\/span><\/li><li><span class=\"esi-lp-journey__k\">Module 3<\/span><strong>Testing &amp; Faults<\/strong><span class=\"esi-lp-journey__d\">7 topics<\/span><\/li><li><span class=\"esi-lp-journey__k\">Module 4<\/span><strong>Network Design<\/strong><span class=\"esi-lp-journey__d\">9 topics<\/span><\/li><\/ol><\/div>\n      <div class=\"esi-acc esi-reveal\" data-esi-acc=\"\"><div class=\"esi-acc__item is-open\"><button type=\"button\" class=\"esi-acc__head\" aria-expanded=\"true\" aria-controls=\"esi-lp-mod-1\"><span class=\"esi-acc__no\">01<\/span><span class=\"esi-acc__tt\">Module 1 \u2013 Fiber Optics Fundamentals<\/span><span class=\"esi-acc__count\">6 topics<\/span><span class=\"esi-acc__tog\" aria-hidden=\"true\"><svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"><\/path><\/svg><\/span><\/button><div class=\"esi-acc__body\" id=\"esi-lp-mod-1\" role=\"region\" aria-label=\"Module 1 \u2013 Fiber Optics Fundamentals\"><div><div class=\"esi-acc__content\"><ul class=\"esi-checklist\"><li><span>Why fiber optics are used.<\/span><\/li><li><span>How light travels inside optical fiber.<\/span><\/li><li><span>Single-mode and multimode fiber.<\/span><\/li><li><span>Fiber wavelengths.<\/span><\/li><li><span>Attenuation.<\/span><\/li><li><span>dB versus dBm.<\/span><\/li><\/ul><\/div><\/div><\/div><\/div><div class=\"esi-acc__item\"><button type=\"button\" class=\"esi-acc__head\" aria-expanded=\"false\" aria-controls=\"esi-lp-mod-2\"><span class=\"esi-acc__no\">02<\/span><span class=\"esi-acc__tt\">Module 2 \u2013 Cables, ODF, Connectors &amp; Splicing<\/span><span class=\"esi-acc__count\">7 topics<\/span><span class=\"esi-acc__tog\" aria-hidden=\"true\"><svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"><\/path><\/svg><\/span><\/button><div class=\"esi-acc__body\" id=\"esi-lp-mod-2\" role=\"region\" aria-label=\"Module 2 \u2013 Cables, ODF, Connectors &amp; Splicing\"><div><div class=\"esi-acc__content\"><ul class=\"esi-checklist\"><li><span>Fiber cable construction.<\/span><\/li><li><span>Fiber core identification.<\/span><\/li><li><span>Optical Distribution Frame (ODF).<\/span><\/li><li><span>Pigtails versus patch cords.<\/span><\/li><li><span>Fiber connectors.<\/span><\/li><li><span>Fusion splicing.<\/span><\/li><li><span>Causes of high splice loss.<\/span><\/li><\/ul><\/div><\/div><\/div><\/div><div class=\"esi-acc__item\"><button type=\"button\" class=\"esi-acc__head\" aria-expanded=\"false\" aria-controls=\"esi-lp-mod-3\"><span class=\"esi-acc__no\">03<\/span><span class=\"esi-acc__tt\">Module 3 \u2013 Testing &amp; Troubleshooting<\/span><span class=\"esi-acc__count\">7 topics<\/span><span class=\"esi-acc__tog\" aria-hidden=\"true\"><svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"><\/path><\/svg><\/span><\/button><div class=\"esi-acc__body\" id=\"esi-lp-mod-3\" role=\"region\" aria-label=\"Module 3 \u2013 Testing &amp; Troubleshooting\"><div><div class=\"esi-acc__content\"><ul class=\"esi-checklist\"><li><span>Optical Power Meter.<\/span><\/li><li><span>Light Source.<\/span><\/li><li><span>Visual Fault Locator (VFL).<\/span><\/li><li><span>Optical Time-Domain Reflectometer (OTDR).<\/span><\/li><li><span>Reading and interpreting OTDR traces.<\/span><\/li><li><span>Fiber link budget.<\/span><\/li><li><span>Fiber fault identification and troubleshooting.<\/span><\/li><\/ul><\/div><\/div><\/div><\/div><div class=\"esi-acc__item\"><button type=\"button\" class=\"esi-acc__head\" aria-expanded=\"false\" aria-controls=\"esi-lp-mod-4\"><span class=\"esi-acc__no\">04<\/span><span class=\"esi-acc__tt\">Module 4 \u2013 Fiber Network Design &amp; Advanced Concepts<\/span><span class=\"esi-acc__count\">9 topics<\/span><span class=\"esi-acc__tog\" aria-hidden=\"true\"><svg width=\"16\" height=\"16\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"><\/path><\/svg><\/span><\/button><div class=\"esi-acc__body\" id=\"esi-lp-mod-4\" role=\"region\" aria-label=\"Module 4 \u2013 Fiber Network Design &amp; Advanced Concepts\"><div><div class=\"esi-acc__content\"><ul class=\"esi-checklist\"><li><span>Review of fiber fundamentals.<\/span><\/li><li><span>Fiber network topologies.<\/span><\/li><li><span>Fiber network architecture.<\/span><\/li><li><span>Fiber core planning and allocation.<\/span><\/li><li><span>Link budget and engineering margin.<\/span><\/li><li><span>Fiber redundancy and protection.<\/span><\/li><li><span>Advanced fiber technologies.<\/span><\/li><li><span>Troubleshooting scenarios.<\/span><\/li><li><span>Final quiz.<\/span><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section esi-lp-section--tint\" id=\"esi-lp-objectives\" aria-labelledby=\"esi-lp-objectives-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-sechead esi-reveal\"><span class=\"esi-kicker\">Course objectives<\/span><h2 id=\"esi-lp-objectives-t\">What you will be able to do<\/h2><p>By the end of the course, participants will be able to:<\/p><\/div>\n      <ul class=\"esi-checklist esi-checklist--cols esi-reveal\"><li><span>Understand the fundamentals of fiber-optic communication.<\/span><\/li><li><span>Explain how light travels through optical fiber.<\/span><\/li><li><span>Differentiate between single-mode and multimode fiber.<\/span><\/li><li><span>Understand fiber wavelengths, attenuation, dB and dBm.<\/span><\/li><li><span>Identify fiber cable components, cores, ODFs, connectors, pigtails and patch cords.<\/span><\/li><li><span>Understand fusion splicing and the causes of high splice loss.<\/span><\/li><li><span>Use basic fiber testing equipment, including optical power meters, light sources, VFL and OTDR.<\/span><\/li><li><span>Interpret OTDR traces and calculate fiber link budgets.<\/span><\/li><li><span>Understand fiber network architecture, topologies and core allocation.<\/span><\/li><li><span>Apply basic principles of fiber redundancy, protection and troubleshooting.<\/span><\/li><\/ul>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section\" id=\"esi-lp-audience\" aria-labelledby=\"esi-lp-audience-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-sechead esi-reveal\"><span class=\"esi-kicker\">Target audience<\/span><h2 id=\"esi-lp-audience-t\">Who should attend<\/h2><\/div>\n      <div class=\"esi-lp-aud esi-reveal\"><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Fiber-optic engineers.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Telecom and transmission engineers.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Fiber installation and maintenance technicians.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">O&amp;M and field-service teams.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Network design and planning professionals.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Testing and commissioning engineers.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Technical supervisors and project engineers.<\/div><\/div><\/div><div class=\"esi-card\"><div class=\"esi-lp-ico\" aria-hidden=\"true\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"9\" cy=\"8\" r=\"3.2\"><\/circle><path d=\"M3 20c.6-3.3 2.9-5 6-5s5.4 1.7 6 5\"><\/path><circle cx=\"17\" cy=\"9\" r=\"2.4\"><\/circle><path d=\"M15.5 14.6c2.6.2 4.6 1.8 5.5 4.4\"><\/path><\/svg><\/div><div><div class=\"esi-lp-aud__t\">Professionals involved in fiber-optic network deployment and maintenance.<\/div><\/div><\/div><\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section esi-lp-section--tint\" id=\"esi-lp-admission\" aria-labelledby=\"esi-lp-admission-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-grid esi-grid--wide\">\n        <div>\n          <span class=\"esi-kicker\">Course details<\/span><h2 id=\"esi-lp-admission-t\">The course in brief<\/h2>\n          <ul class=\"esi-checklist\" style=\"margin-top:22px\"><li><span>Course: Optical Fiber Systems \u2014 Fundamentals, Installation, Testing &amp; Troubleshooting.<\/span><\/li><li><span>Structure: 4 training modules \u00b7 29 topics.<\/span><\/li><li><span>Duration: 4 days \/ 32 training hours.<\/span><\/li><li><span>Format: practical technical training with hands-on exercises.<\/span><\/li><li><span>Training provider: Engineering Sciences Institute for Training.<\/span><\/li><li><span>Registration: online form on this page \u2014 no payment required online.<\/span><\/li><\/ul>\n        <\/div>\n        <div>\n          <span class=\"esi-kicker\">FAQ<\/span><h2>Quick answers before you register<\/h2>\n          <div class=\"esi-faq\" style=\"margin-top:22px\"><details class=\"esi-faq__item\" open=\"\"><summary><span class=\"esi-faq__q\">What does the course cover?<\/span><span class=\"esi-faq__pm\" aria-hidden=\"true\"><svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"><\/path><\/svg><\/span><\/summary><div class=\"esi-faq__a\"><ul class=\"esi-checklist\"><li><span>Module 1: Fiber Optics Fundamentals<\/span><\/li><li><span>Module 2: Cables, ODF, Connectors &amp; Splicing<\/span><\/li><li><span>Module 3: Testing &amp; Troubleshooting<\/span><\/li><li><span>Module 4: Fiber Network Design &amp; Advanced Concepts<\/span><\/li><\/ul><\/div><\/details><details class=\"esi-faq__item\"><summary><span class=\"esi-faq__q\">Who should attend?<\/span><span class=\"esi-faq__pm\" aria-hidden=\"true\"><svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"><\/path><\/svg><\/span><\/summary><div class=\"esi-faq__a\"><ul class=\"esi-checklist\"><li><span>Fiber-optic, telecom and transmission engineers<\/span><\/li><li><span>Fiber installation \/ maintenance technicians and O&amp;M teams<\/span><\/li><li><span>Network design, planning, testing and commissioning professionals<\/span><\/li><\/ul><\/div><\/details><details class=\"esi-faq__item\"><summary><span class=\"esi-faq__q\">Is the course practical?<\/span><span class=\"esi-faq__pm\" aria-hidden=\"true\"><svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"><\/path><\/svg><\/span><\/summary><div class=\"esi-faq__a\"><p>Hands-on practice with the optical power meter, light source, VFL and OTDR, reading OTDR traces, calculating link budgets, and fiber fault troubleshooting.<\/p><\/div><\/details><details class=\"esi-faq__item\"><summary><span class=\"esi-faq__q\">How long is the course, and when does it start?<\/span><span class=\"esi-faq__pm\" aria-hidden=\"true\"><svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"><\/path><\/svg><\/span><\/summary><div class=\"esi-faq__a\"><p>The recommended duration is 4 days \/ 32 training hours. Dates and schedule are confirmed by the ESI team when you register. Submit the form and the team will contact you with the next available intake.<\/p><\/div><\/details><details class=\"esi-faq__item\"><summary><span class=\"esi-faq__q\">How do I register?<\/span><span class=\"esi-faq__pm\" aria-hidden=\"true\"><svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"><\/path><\/svg><\/span><\/summary><div class=\"esi-faq__a\"><ul class=\"esi-checklist\"><li><span>Complete the registration form on this page (it takes under two minutes).<\/span><\/li><li><span>The ESI admissions team will contact you to confirm your seat, the schedule and any remaining details.<\/span><\/li><li><span>For enquiries: ESI unified number <span class=\"esi-mono\">920009474<\/span>.<\/span><\/li><\/ul><\/div><\/details><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"esi-lp-section\" id=\"esi-lp-enroll\" aria-labelledby=\"esi-lp-enroll-t\">\n    <div class=\"esi-lp-wrap\">\n      <div class=\"esi-lp-band\">\n        <div>\n          <div class=\"esi-lp-band__k\">Registration open<\/div>\n          <h2 id=\"esi-lp-enroll-t\">Reserve your seat: Optical Fiber Systems<\/h2>\n          <p>Register your interest today. The ESI admissions team will contact you to confirm your seat and the course schedule \u2014 no payment is required at this stage.<\/p>\n          <div class=\"esi-lp-band__cta\">\n            <button type=\"button\" class=\"esi-btn esi-btn--onDark\" data-esi-lp-open=\"\">Register now<\/button>\n            <a class=\"esi-btn esi-btn--outlineDark\" href=\"https:\/\/wa.me\/966531663555\" rel=\"nofollow noopener\" target=\"_blank\">Talk to our team<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"esi-lp-summary\"><div class=\"esi-lp-summary__row\"><span class=\"esi-lp-summary__k\">Modules<\/span><span class=\"esi-lp-summary__v\">4 modules<\/span><\/div><div class=\"esi-lp-summary__rule\"><\/div><div class=\"esi-lp-summary__row\"><span class=\"esi-lp-summary__k\">Topics<\/span><span class=\"esi-lp-summary__v\">29<\/span><\/div><div class=\"esi-lp-summary__rule\"><\/div><div class=\"esi-lp-summary__row\"><span class=\"esi-lp-summary__k\">Duration<\/span><span class=\"esi-lp-summary__v\">4 days \/ 32 hours<\/span><\/div><div class=\"esi-lp-summary__rule\"><\/div><div class=\"esi-lp-summary__row\"><span class=\"esi-lp-summary__k\">Focus<\/span><span class=\"esi-lp-summary__v\">Fiber \u00b7 OTDR \u00b7 network design<\/span><\/div><div class=\"esi-lp-summary__rule\"><\/div><div class=\"esi-lp-summary__row\"><span class=\"esi-lp-summary__k\">Registration<\/span><span class=\"esi-lp-summary__v esi-lp-summary__v--hl\">Open \u00b7 no payment online<\/span><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <footer class=\"esi-lp-foot\">\n    <div class=\"esi-lp-wrap esi-lp-foot__in\">\n      <div class=\"esi-lp-foot__brand\"><span class=\"esi-lp-mark\" aria-hidden=\"true\">ESI<\/span><span>Engineering Sciences Institute for Training \u00b7 <span class=\"esi-mono\">esi.edu.sa<\/span><\/span><\/div>\n      <div class=\"esi-lp-foot__links\"><a href=\"#esi-lp-overview\">Overview<\/a><a href=\"#esi-lp-curriculum\">Modules<\/a><a href=\"#esi-lp-admission\">FAQ<\/a><\/div>\n      <div class=\"esi-lp-foot__legal\">Optical Fiber Systems \u00b7 All rights reserved<\/div>\n    <\/div>\n  <\/footer>\n\n  <div class=\"esi-lp-modal\" data-esi-lp-modal=\"\" aria-hidden=\"true\" role=\"dialog\" aria-modal=\"true\" aria-label=\"Registration form\">\n    <div class=\"esi-lp-modal__dialog\"><button type=\"button\" class=\"esi-lp-modal__close\" data-esi-lp-close=\"\" aria-label=\"Close form\">\u2715<\/button><div class=\"esi-lp-modal__pane\" data-esi-lp-pane=\"\"><\/div><\/div>\n  <\/div>\n\n  <div class=\"esi-lp-sticky\" data-esi-lp-sticky=\"\">\n    <div class=\"esi-lp-wrap esi-lp-sticky__in\">\n      <div class=\"esi-lp-sticky__t\"><span class=\"esi-lp-sticky__n\">Optical Fiber Systems<\/span><span class=\"esi-lp-sticky__s\">4 modules \u00b7 29 topics \u00b7 no payment required online<\/span><\/div>\n      <div class=\"esi-lp-sticky__cta\"><span class=\"esi-lp-sticky__open\">Registration open<\/span><button type=\"button\" class=\"esi-btn esi-btn--primary\" data-esi-lp-open=\"\">Register your seat<\/button><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<script>\nvar ESI_LP_CONFIG = { formMode: \"popup\" };\n(function () {\n\"use strict\";\nvar root = document.currentScript ? 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