{"id":2507,"date":"2025-10-23T22:52:29","date_gmt":"2025-10-23T14:52:29","guid":{"rendered":"https:\/\/ceshi.tfngw.com\/?page_id=2507"},"modified":"2025-12-29T09:52:17","modified_gmt":"2025-12-29T01:52:17","slug":"f4-otdr","status":"publish","type":"page","link":"https:\/\/www.tfngj.com\/ar\/%d8%ac%d9%85%d9%8a%d8%b9-%d9%85%d8%ae%d8%aa%d8%a8%d8%b1%d9%8a-otdr\/f4-otdr\/","title":{"rendered":"F4 OTDR"},"content":{"rendered":"<div class=\"wp-block-cover alignfull is-light wp-duotone-unset-1\" style=\"border-radius:0px;margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0;font-size:clamp(3.615rem, 3.615rem + ((1vw - 0.2rem) * 4.856), 7.5rem);min-height:468px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1280\" class=\"wp-block-cover__image-background wp-image-2167 size-full\" alt=\"\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-scaled.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-scaled.webp 2560w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-300x150.webp 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-1024x512.webp 1024w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-768x384.webp 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-1536x768.webp 1536w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-2048x1024.webp 2048w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-18x9.webp 18w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/back-1-600x300.webp 600w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#349aca\"><\/span><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-container-core-cover-is-layout-ad1af2a0 wp-block-cover-is-layout-constrained\"><h1 class=\"wp-block-heading alignfull has-text-align-center has-neutral-0-color has-text-color has-link-color has-5-x-large-font-size wp-elements-fb68f1083f8ee29aebb15e66c35a2d5b\" style=\"margin-right:0;margin-left:0;text-transform:capitalize\" id=\"f4series-compact-otdr\">\u0645\u0642\u064a\u0627\u0633 OTDR OTDR \u0645\u062f\u0645\u062c \u0645\u0646 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 F4-Series<\/h1>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-content-justification-center is-layout-constrained wp-container-core-group-is-layout-df757ecc wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0;padding-top:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-right:var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal));padding-bottom:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-left:var(--wp--style--root--padding-left, var(--wp--custom--gap--horizontal))\">\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:calc( 0.25 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)))\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignwide is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\"><div class=\"yoast-breadcrumbs\"><span><span><a href=\"https:\/\/www.tfngj.com\/ar\/\">\u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/span> &gt; <span><a href=\"https:\/\/www.tfngj.com\/ar\/%d8%ac%d9%85%d9%8a%d8%b9-%d9%85%d8%ae%d8%aa%d8%a8%d8%b1%d9%8a-otdr\/\">\u062c\u0645\u064a\u0639 \u0623\u062c\u0647\u0632\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 OTDR<\/a><\/span> &gt; <span class=\"breadcrumb_last\" aria-current=\"page\">F4 OTDR<\/span><\/span><\/div><\/div>\n\n\n\n<div class=\"wp-block-columns alignwide are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-b9f7452e wp-block-columns-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--x-large)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><h2 class=\"wp-block-heading has-4-x-large-font-size\" id=\"highlights\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#2588cc\" class=\"has-inline-color\">\u0623\u0628\u0631\u0632 \u0627\u0644\u0645\u0644\u0627\u0645\u062d<\/mark><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\" style=\"margin-right:0;margin-left:0;padding-right:0;padding-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7.png\" alt=\"\u062c\u0647\u0627\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 OTDR\" class=\"wp-image-2508\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7.png 800w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7-300x300.png 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7-150x150.png 150w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7-768x768.png 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7-12x12.png 12w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7-600x600.png 600w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u900f\u660e\u56fe-7-100x100.png 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-left:var(--wp--preset--spacing--small);flex-basis:66.66%\"><ul style=\"margin-right:0;--plover--style--block-gap:0;\" class=\"wp-block-list\">\n<li>\u0634\u0627\u0634\u0629 \u0644\u0645\u0633 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0648\u0636\u0648\u062d \u0645\u0642\u0627\u0633 8 \u0628\u0648\u0635\u0629 \u0648\u0623\u0632\u0631\u0627\u0631 \u062a\u0639\u0645\u0644 \u0628\u0627\u0644\u0644\u0645\u0633 \u062a\u062c\u0639\u0644\u0647\u0627 \u0633\u0647\u0644\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645<\/li>\n\n\n\n<li>\u0646\u0637\u0627\u0642 \u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a 35\/33 \u062f\u064a\u0633\u064a\u0628\u0644<\/li>\n\n\n\n<li>\u0645\u0646\u0637\u0642\u0629 \u0639\u0645\u064a\u0627\u0621 \u0644\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0628\u062d\u062f \u0623\u062f\u0646\u0649 0.8 \u0645\u062a\u0631<\/li>\n\n\n\n<li>\u062a\u062a\u064a\u062d \u0648\u062d\u062f\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0629 \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 \u0636\u0648\u0621 \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u062f\u0648\u0646 \u0641\u0642\u062f\u0627\u0646<\/li>\n\n\n\n<li>\u064a\u062a\u0648\u0641\u0631 \u0643\u0644 \u0645\u0646 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0623\u062d\u0627\u062f\u064a \u0648\u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0648 OTDR \u0627\u0644\u0645\u062f\u0645\u062c<\/li>\n<\/ul>\n\n\n<ul class=\"wp-block-list is-style-check-circle\" style=\"\">\n<li>OPM\u060c VFL<\/li>\n\n\n\n<li>\u0645\u0648\u0642\u0639 \u0627\u0644\u062e\u0644\u0644<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0641\u0642\u062f \u0627\u0644\u0628\u0635\u0631\u064a<\/li>\n\n\n\n<li>\u0627\u0644\u0639\u064a\u0646 \u0627\u0644\u0628\u0635\u0631\u064a\u0629 (\u0639\u0631\u0636 \u0627\u0644\u062e\u0631\u064a\u0637\u0629)<\/li>\n\n\n\n<li>\u0628\u0644\u0648\u062a\u0648\u062b<\/li>\n<\/ul>\n\n\n\n<p style=\"margin-right:0\">\u062a\u0642\u062f\u0645 TFN \u062c\u0647\u0627\u0632 OTDR \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0639\u0627\u0644\u064a \u0627\u0644\u0623\u062f\u0627\u0621 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0636\u0648\u0626\u064a\u0629 \u0628\u0633\u0631\u0639\u0629 \u0648\u062f\u0642\u0629. \u064a\u062a\u0645\u064a\u0632 F4 OTDR \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0646 \u0628\u064f\u0639\u062f \u0648\u0627\u062e\u062a\u0628\u0627\u0631 OTDR.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.tfngj.com\/ar\/contact-us\/\">\u0637\u0644\u0628 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/11\/f4-1.webp\" alt=\"\u062c\u0647\u0627\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 F4 OTDR\" style=\"width:384px;height:auto\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/11\/f4-2.webp\" alt=\"TFN OTDR TESETTR\" style=\"width:385px;height:auto\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/11\/f4-7.webp\" alt=\"\u062c\u0647\u0627\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 TFN OTDR\" style=\"width:385px;height:auto\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading alignwide has-text-align-left has-4-x-large-font-size\" style=\"padding-top:var(--wp--preset--spacing--x-small);padding-left:0rem\" id=\"specifications\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#2588cc\" class=\"has-inline-color\">\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/mark><\/h2>\n\n\n\n<figure class=\"wp-block-table alignwide is-style-stripes has-large-font-size\" style=\"margin-right:8rem;margin-left:8rem;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><table class=\"has-background\" style=\"background-color:#90caf191\"><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0627\u0644\u0637\u0631\u0627\u0632\/\u0627\u0644\u0635\u0646\u0641<\/td><td class=\"has-text-align-center\" data-align=\"center\">F4<\/td><td class=\"has-text-align-center\" data-align=\"center\">F4-V1<\/td><td class=\"has-text-align-center\" data-align=\"center\">F4-V2<\/td><td class=\"has-text-align-center\" data-align=\"center\">F4-SMV<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0627\u0644\u0637\u0648\u0644 \u0627\u0644\u0645\u0648\u062c\u064a (\u0646\u0627\u0646\u0648\u0645\u062a\u0631)<\/td><td class=\"has-text-align-center\" data-align=\"center\">1310\/1550<\/td><td class=\"has-text-align-center\" data-align=\"center\">1310\/1550<\/td><td class=\"has-text-align-center\" data-align=\"center\">1310\/1550<\/td><td class=\"has-text-align-center\" data-align=\"center\">850\/1300\/1310\/1550<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a (\u062f\u064a\u0633\u064a\u0628\u0644)<\/td><td class=\"has-text-align-center\" data-align=\"center\">35\/33<\/td><td class=\"has-text-align-center\" data-align=\"center\">42\/40<\/td><td class=\"has-text-align-center\" data-align=\"center\">45\/43<\/td><td class=\"has-text-align-center\" data-align=\"center\">26\/30\/37\/35<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0645\u064a\u062a\u0629 \u0644\u0644\u062d\u062f\u062b (\u0645)<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.8<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.8<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062a\u0648\u0647\u064a\u0646 \u0627\u0644\u0645\u064a\u062a\u0629 (\u0645)<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0646\u0637\u0627\u0642 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 <\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">500 \u0645\u062a\u0631 \/ 1 \u0643\u0645 \/ 1 \u0643\u0645 \/ 2 \u0643\u0645 \/ 4 \u0643\u0645 \/ 8 \u0643\u0645 \/ 16 \u0643\u0645 \/ 32 \u0643\u0645 \/ 64 \u0643\u0645 \/ 128 \u0643\u0645 \/ 256 \u0643\u0645<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">5ns\/10ns\/50ns\/160ns\/320ns\/500ns\/1000ns\/5000ns\/10000ns\/ 20000ns<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u062f\u0642\u0629 \u0627\u0644\u0645\u0633\u0627\u0641\u0629<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">\u00b1(0.75 \u0645+ \u0641\u0627\u0635\u0644 \u0623\u062e\u0630 \u0627\u0644\u0639\u064a\u0646\u0627\u062a + 0.005%* \u0645\u0633\u0627\u0641\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0645\u0648\u0635\u0644 \u0628\u0635\u0631\u064a<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">FC\/PC \uff08\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644 SC\u060c ST\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">OPM<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">-50 \u062f\u064a\u0633\u064a\u0628\u0644 ~ + 26 \u062f\u064a\u0633\u064a\u0628\u0644<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0627\u0644\u0628\u0637\u0627\u0631\u064a\u0629<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">15600 \u0645\u0644\u0644\u064a \u0623\u0645\u0628\u064a\u0631\/\u0633\u0627\u0639\u0629. \u0648\u0642\u062a \u0627\u0644\u0627\u0633\u062a\u0639\u062f\u0627\u062f \u0623\u0643\u062b\u0631 \u0645\u0646 10 \u0633\u0627\u0639\u0627\u062a<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u0627\u0644\u0648\u0632\u0646<\/td><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"8\">1.1 \u0643\u062c\u0645<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons alignwide is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-ghost\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/pdf\/F4-OTDR.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u0644\u062a\u0646\u0632\u064a\u0644 \u0627\u0644\u064a\u062f\u0648\u064a<\/a><\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading alignwide has-large-font-size\" id=\"please-note-1-the-f4v1-f4v2-and-f4smv-are-a-custom-edition-2-the-f4-is-not-equipped-with-a-fiber-microscope\">\u064a\u0631\u062c\u0649 \u0645\u0644\u0627\u062d\u0638\u0629 \u0645\u0627 \u064a\u0644\u064a: 1. F4-V1 \u0648F4-V2 \u0648F4-SMV \u0647\u064a \u0625\u0635\u062f\u0627\u0631 \u0645\u062e\u0635\u0635. 2. F4 \u063a\u064a\u0631 \u0645\u0632\u0648\u062f\u0629 \u0628\u0645\u062c\u0647\u0631 \u0644\u064a\u0641\u064a.<\/h3>\n\n\n<h2 class=\"wp-block-heading alignwide has-4-x-large-font-size\" style=\"margin-top:var(--wp--preset--spacing--x-large)\" id=\"product-demo\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#2588cc\" class=\"has-inline-color\">\u0639\u0631\u0636 \u0627\u0644\u0645\u0646\u062a\u062c<\/mark><\/h2>\n\n\n\n<div style=\"display: flex; justify-content: center;\">\n  <iframe loading=\"lazy\" width=\"560\" height=\"315\" \n    src=\"https:\/\/www.youtube.com\/embed\/lYkyWmgW_7c?si=k3rtb-Zww1p7E0aQ\" \n    title=\"\u0645\u0634\u063a\u0644 \u0641\u064a\u062f\u064a\u0648 \u064a\u0648\u062a\u064a\u0648\u0628\" frameborder=\"0\" \n    allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" \n    referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen>\n  <\/iframe>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-bd93ecdd wp-block-columns-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--2-x-large)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><h2 class=\"wp-block-heading has-2-x-large-font-size\" id=\"use-cases\">\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645<\/h2>\n\n\n\n<p>\u0627\u062e\u062a\u0628\u0627\u0631 \u0642\u0628\u0648\u0644 \u0623\u0646\u0638\u0645\u0629 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0635\u0631\u064a\u0629.<\/p>\n\n\n\n<p>\u062a\u0637\u0648\u064a\u0631 \u0648\u0625\u0646\u062a\u0627\u062c \u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0635\u0631\u064a\u0629<\/p>\n\n\n\n<p>\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0628\u0646\u0627\u0621 \u0648\u0625\u0635\u0644\u0627\u062d \u0646\u0638\u0627\u0645 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a.  <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1440\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524.jpg\" alt=\"\" class=\"wp-image-2492\" style=\"border-radius:0.5rem\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524.jpg 1920w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524-300x225.jpg 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524-1024x768.jpg 1024w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524-768x576.jpg 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524-1536x1152.jpg 1536w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524-16x12.jpg 16w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pok-rie-33563-189524-600x450.jpg 600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-1024x681.jpg\" alt=\"\" class=\"wp-image-2431\" style=\"border-radius:0.5rem\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-1024x681.jpg 1024w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-300x200.jpg 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-768x511.jpg 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-1536x1022.jpg 1536w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-18x12.jpg 18w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2-600x399.jpg 600w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-brett-sayles-5073493-2.jpg 1919w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1278\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936.jpg\" alt=\"\" class=\"wp-image-2448\" style=\"border-radius:0.5rem\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936.jpg 1920w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936-300x200.jpg 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936-1024x682.jpg 1024w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936-768x511.jpg 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936-1536x1022.jpg 1536w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936-18x12.jpg 18w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-pixabay-371936-600x399.jpg 600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-1024x768.jpg\" alt=\"\" class=\"wp-image-2576\" style=\"border-style:none;border-width:0px;border-radius:0.5rem\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-1024x768.jpg 1024w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-300x225.jpg 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-768x576.jpg 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-1536x1152.jpg 1536w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-16x12.jpg 16w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978-600x450.jpg 600w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/pexels-teresa-wang-2156262362-34261978.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-content-justification-center is-layout-constrained wp-container-core-group-is-layout-df757ecc wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0;padding-top:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-right:var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal));padding-bottom:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-left:var(--wp--style--root--padding-left, var(--wp--custom--gap--horizontal))\">\n<div style=\"height:calc( 0.25 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)))\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns alignwide are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-dd24a1c2 wp-block-columns-is-layout-flex\" style=\"margin-right:8rem;margin-left:8rem;font-size:clamp(2.111rem, 2.111rem + ((1vw - 0.2rem) * 2.111), 3.8rem);\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:34%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4.jpg\" alt=\"\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0635\u0631\u064a\u0629 OTDR\" class=\"wp-image-2521\" srcset=\"https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4.jpg 800w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4-300x300.jpg 300w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4-150x150.jpg 150w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4-768x768.jpg 768w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4-12x12.jpg 12w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4-600x600.jpg 600w, https:\/\/www.tfngj.com\/wp-content\/uploads\/2025\/10\/\u4e3b\u56fe4-100x100.jpg 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66%\"><h2 class=\"wp-block-heading has-4-x-large-font-size\" id=\"otdr\">OTDR <\/h2>\n\n\n\n<p style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.281), 1.1rem);\">\u064a\u062a\u0645\u064a\u0632 \u0645\u0642\u064a\u0627\u0633 OTDR \u0628\u062e\u064a\u0627\u0631\u0627\u062a \u0625\u0639\u062f\u0627\u062f \u0645\u0631\u0646\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u062a\u0643\u0648\u064a\u0646\u0627\u062a \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0637\u0631\u0641\u064a\u0629 \u0648\u0627\u0644\u0625\u0637\u0644\u0627\u0642. \u0648\u0647\u0648 \u064a\u062f\u0639\u0645 \u0639\u062a\u0628\u0627\u062a \u0627\u0644\u0646\u062c\u0627\u062d\/\u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u062e\u0635\u064a\u0635\u060c \u0648\u064a\u0645\u064a\u0632 \u0628\u0635\u0631\u064a\u064b\u0627 \u0645\u0624\u0647\u0644\u0627\u062a \u0627\u0644\u062d\u062f\u062b\u060c \u0648\u064a\u064f\u0646\u0634\u0626 \u062a\u0642\u0627\u0631\u064a\u0631 PDF \u0645\u0641\u0635\u0644\u0629\u060c \u0648\u064a\u0633\u0645\u062d \u0628\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0646\u062d\u0646\u064a\u0627\u062a SOR \u0645\u062a\u0639\u062f\u062f\u0629 \u0645\u0639 \u0637\u0631\u0642 \u062a\u062d\u0644\u064a\u0644 \u0645\u062a\u0642\u062f\u0645\u0629 \u0645\u062b\u0644 \u0637\u0631\u0642 \u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0631\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0646\u0642\u0627\u0637 \u0648 LSA.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:calc( 0.25 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)))\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-neutral-0-color has-text-color has-background has-link-color wp-elements-7748c3e6f2d1f570b91bd45eb6ba8a13 has-global-padding is-layout-constrained wp-container-core-group-is-layout-aecdc57f wp-block-group-is-layout-constrained\" style=\"background:linear-gradient(135deg,rgb(0,74,173) 0%,rgb(93,224,230) 100%);margin-top:0;margin-bottom:0;padding-top:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-right:var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal));padding-bottom:calc( 0.5 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)));padding-left:var(--wp--style--root--padding-left, var(--wp--custom--gap--horizontal))\">\n<div style=\"height:calc( 0.25 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)))\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:52px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignwide is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-660567f9 wp-block-group-is-layout-flex\" style=\"margin-top:0\"><h2 class=\"wp-block-heading alignwide has-text-align-center has-neutral-0-color has-text-color has-link-color has-4-x-large-font-size wp-elements-638531729a1c2751c8cebbb935ae7be1\" id=\"real-experiences-with-the-tfn-otdr\">\u062a\u062c\u0627\u0631\u0628 \u062d\u0642\u064a\u0642\u064a\u0629 \u0645\u0639 \u0645\u0642\u064a\u0627\u0633 TFN OTDR<\/h2>\n<\/div>\n\n\n\n<div style=\"height:0rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-bb131731 wp-block-columns-is-layout-flex\" style=\"padding-right:var(--wp--preset--spacing--x-small);padding-left:var(--wp--preset--spacing--x-small)\">\n<div class=\"wp-block-column has-global-padding is-layout-constrained wp-container-core-column-is-layout-f3454425 wp-block-column-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--10);padding-right:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10);padding-left:var(--wp--preset--spacing--10)\">\n<div class=\"wp-block-group has-global-padding is-content-justification-center is-layout-constrained wp-container-core-group-is-layout-553cd11f wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--medium);margin-bottom:var(--wp--preset--spacing--medium);padding-right:0;padding-left:0\">\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-f34c8a65 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-layout-flow wp-container-core-group-is-layout-15eb98a8 wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading has-text-align-center is-testimonial-name has-neutral-0-color has-text-color has-link-color has-small-font-size wp-elements-d8e7dd3988a1b23dd016bf062a1605a3\" style=\"line-height:1\" id=\"eric-h\">\u0625\u0631\u064a\u0643 \u0647\u0640.<\/h3>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:0\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center is-testimonial-review\">\u201c\u0633\u0647\u0644 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0644\u0644\u063a\u0627\u064a\u0629. \u0623\u0646\u0627 \u0639\u0645\u064a\u0644 \u0645\u062e\u0644\u0635 \u0644\u0640 TFN \u0645\u0646\u0630 \u0633\u0646\u0648\u0627\u062a. \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0641\u0646\u064a \u0631\u0627\u0626\u0639\u060c \u0648\u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0645\u0648\u062b\u0648\u0642 \u0628\u0647\u0627 \u062f\u0627\u0626\u0645\u0627\u064b\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0623\u0633\u0631\u0639 \u0628\u0643\u062b\u064a\u0631. \u0642\u064a\u0645\u0629 \u0643\u0628\u064a\u0631\u0629 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0633\u0639\u0631.\u201d<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--10);padding-right:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10);padding-left:var(--wp--preset--spacing--10)\">\n<div class=\"wp-block-group has-global-padding is-content-justification-center is-layout-constrained wp-container-core-group-is-layout-3e9bf817 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--medium);margin-bottom:var(--wp--preset--spacing--medium)\">\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-f34c8a65 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-layout-flow wp-container-core-group-is-layout-15eb98a8 wp-block-group-is-layout-flow\"><h4 class=\"wp-block-heading has-text-align-center is-testimonial-name has-neutral-0-color has-text-color has-link-color has-small-font-size wp-elements-533bdc2318177fbe9c4d82640910e6fc\" style=\"line-height:1\" id=\"scott-n\">\u0633\u0643\u0648\u062a \u0646.<\/h4>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:0\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center is-testimonial-review\">\u201c\u0644\u0642\u062f \u0627\u0634\u062a\u0631\u064a\u062a \u0645\u0624\u062e\u0631\u064b\u0627 \u062c\u0647\u0627\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0636\u0648\u0626\u064a\u0629 otdr\u060c \u0648\u0644\u0645 \u0623\u0643\u0646 \u0645\u062a\u062d\u0645\u0633\u064b\u0627 \u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0634\u0631\u0627\u0621. \u0641\u0647\u0648 \u0635\u063a\u064a\u0631 \u0627\u0644\u062d\u062c\u0645 \u0648\u0633\u0631\u064a\u0639\u060c \u0648\u0642\u062f \u0623\u0635\u0628\u062d \u0623\u062f\u0627\u062a\u0646\u0627 \u0627\u0644\u0645\u0641\u0636\u0644\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0635\u0631\u064a\u0629. \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u062f\u0642\u064a\u0642\u0629 \u0644\u0644\u063a\u0627\u064a\u0629\u201d<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:calc( 0.25 * var(--wp--style--root--padding-right, var(--wp--custom--gap--horizontal)))\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-4-x-large-font-size\" id=\"faqs\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#2588cc\" class=\"has-inline-color\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/mark><\/h2>\n\n\n\n<details class=\"wp-block-details has-border-color is-layout-flow wp-block-details-is-layout-flow\" style=\"border-color:#4083ca;border-width:2px;line-height:1.8\" open><summary>\u0645\u0627 \u0647\u064a \u0627\u0644\u0644\u063a\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062f\u0639\u0645\u0647\u0627 F4 OTDR\u061f<\/summary>\n<p>\u064a\u062f\u0639\u0645 \u0625\u0635\u062f\u0627\u0631 OTDR \u0627\u0644\u062e\u0627\u0635 \u0628\u0646\u0627 \u0627\u0644\u0644\u063a\u0629 \u0627\u0644\u0625\u0646\u062c\u0644\u064a\u0632\u064a\u0629 \u0644\u0644\u0625\u0635\u062f\u0627\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u060c \u0648\u064a\u062f\u0639\u0645 \u0627\u0644\u0625\u0635\u062f\u0627\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\u064a \u0627\u0644\u0644\u063a\u0629 \u0627\u0644\u0631\u0648\u0633\u064a\u0629 \u0648\u0627\u0644\u0625\u0633\u0628\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0639\u0631\u0628\u064a\u0629.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-border-color is-layout-flow wp-block-details-is-layout-flow\" style=\"border-color:#4083ca;border-width:2px\"><summary>\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0647\u0644\u0629 \u0627\u0644\u0632\u0645\u0646\u064a\u0629\u061f<\/summary>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0646\u062a\u062c\u0627\u062a\u0646\u0627 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629\u060c \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0645\u062a\u0648\u0641\u0631\u0629 \u0641\u064a \u0627\u0644\u0645\u062e\u0632\u0648\u0646 \u0648\u062c\u0627\u0647\u0632\u0629 \u0644\u0644\u0634\u062d\u0646\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0647\u0644\u0629 \u0627\u0644\u0632\u0645\u0646\u064a\u0629 \u062a\u0633\u062a\u063a\u0631\u0642 \u062d\u0648\u0627\u0644\u064a 7-10 \u0623\u064a\u0627\u0645. \u0623\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0646\u062a\u062c\u0627\u062a\u0646\u0627 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0629\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0647\u0644\u0629 \u0627\u0644\u0632\u0645\u0646\u064a\u0629 \u0647\u064a \u062d\u0648\u0627\u0644\u064a 25-30 \u064a\u0648\u0645\u064b\u0627.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-border-color is-layout-flow wp-block-details-is-layout-flow\" style=\"border-color:#4083ca;border-width:2px\"><summary>\u0647\u0644 \u062a\u062f\u0639\u0645 \u0627\u0644\u062a\u062f\u0631\u064a\u0628 \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a\u061f<\/summary>\n<p>\u0646\u062d\u0646 \u0646\u062f\u0639\u0645 \u0627\u0644\u0639\u0631\u0648\u0636 \u0627\u0644\u062a\u0648\u0636\u064a\u062d\u064a\u0629 \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a\u060c \u0648\u064a\u0645\u0643\u0646\u0643 \u0623\u064a\u0636\u064b\u0627 \u0645\u0634\u0627\u0647\u062f\u0629 \u0627\u0644\u0628\u0631\u0627\u0645\u062c \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u064a\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 F7 OTDR \u0639\u0644\u0649 YouTube (\u0627\u0644\u0623\u0645\u0631 \u0646\u0641\u0633\u0647 \u064a\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 F4).<\/p>\n<\/details>\n\n\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Highlights TFN offers a high-performance multi-function OTDR for fast and accurate optical fiber testing. F4 OTDR also features Ethernet test, remote test, and OTDR test. Specifications Model \/ Item F4 F4-V1 F4-V2 F4-SMV Wavelength(nm) 1310\/1550 1310\/1550 1310\/1550 850\/1300\/1310\/1550 Dynamic Range(dB) 35\/33 42\/40 45\/43 26\/30\/37\/35 Event Dead Zone(m) 1 0.8 0.8 1 Attenuation Dead Zone(m) 6 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":1407,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2507","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>F4 OTDR - 850\/1300\/1310\/1550 nm - Fiber Optic Test Equipment<\/title>\n<meta name=\"description\" content=\"The F4 OTDR offers high accuracy and various testing options for professionals for efficient fiber testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tfngj.com\/ar\/\u062c\u0645\u064a\u0639-\u0645\u062e\u062a\u0628\u0631\u064a-otdr\/f4-otdr\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"F4 OTDR - 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