{"id":26297,"date":"2026-08-11T14:40:45","date_gmt":"2026-08-11T06:40:45","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=26297"},"modified":"2026-08-11T14:40:50","modified_gmt":"2026-08-11T06:40:50","slug":"festoonfiberflex-cap-quang-loose-tube-boc-cao-su-cho-festoon-va-simple-reeling","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/festoonfiberflex-cap-quang-loose-tube-boc-cao-su-cho-festoon-va-simple-reeling\/","title":{"rendered":"FESTOONFIBERFLEX \u2014 c\u00e1p quang loose\u2011tube b\u1ecdc cao su cho festoon v\u00e0 simple reeling"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"2d393c\" data-has-transparency=\"false\" style=\"--dominant-color: #2d393c;\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"567\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-1200x567.avif\" alt=\"\" class=\"wp-image-26298 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-1200x567.avif 1200w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-300x142.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-768x363.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-1536x726.avif 1536w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-400x189.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-800x378.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-832x393.avif 832w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-1664x787.avif 1664w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840-1248x590.avif 1248w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-1840.avif 1690w\" \/><\/figure>\n\n\n\n\n<!doctype html><html lang=\"vi\"><head><meta charset=\"utf-8\"><meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"><title>FESTOONFIBERFLEX \u00b7 C\u00e1p quang loose-tube cho festoon | Feichun Cable<\/title><meta name=\"description\" content=\"Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt FESTOONFIBERFLEX loose-tube optical cable: 6\/12\/18 fibres, 50\/125, 62.5\/125, E9\/125, 1200 N, b\u00e1n k\u00ednh 200 mm, festoon 240 m\/min v\u00e0 reeling 120 m\/min.\"><meta name=\"keywords\" content=\"FESTOONFIBERFLEX, festoon fibre optic cable, loose tube optical cable, crane optical cable, c\u00e1p quang c\u1ea7u tr\u1ee5c, STS crane fibre, cable tender, Feichun Cable\"><style>\n:root{--bg:#060a0e;--panel:#0d1921;--panel2:#102936;--ink:#e8f3f5;--muted:#a9bec7;--line:#294d5e;--cyan:#55dff7;--mint:#a6ded9;--gold:#f0c865;--red:#ff9297;--green:#70d29a;--violet:#b8a5ff;--orange:#ff9b61}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px\/1.7 Arial,Helvetica,sans-serif}.wrap{max-width:1840px;margin:auto;padding:0 28px}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}.hero{padding:74px 0;background:radial-gradient(circle at 8% 5%,rgba(85,223,247,.22),transparent 34%),radial-gradient(circle at 92% 8%,rgba(184,165,255,.2),transparent 35%),linear-gradient(135deg,#041018,#0c3c4b)}h1{font-size:49px;line-height:1.1;max-width:1760px;margin:18px 0}h2{margin:58px 0 18px;border-left:7px solid var(--cyan);padding-left:15px;line-height:1.25}h3{color:var(--cyan);margin-top:25px}.lead{font-size:21px;max-width:1740px;color:#effaff}.eyebrow{letter-spacing:2px;text-transform:uppercase;color:var(--gold);font-weight:bold}.badges{display:flex;gap:10px;flex-wrap:wrap}.badges span{background:#071821;border:1px solid var(--line);border-radius:22px;padding:8px 14px;font-weight:bold}.cards,.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:15px;margin:22px 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10px;vertical-align:top}th{background:var(--panel2);color:#f4f9fb;position:sticky;top:0;z-index:2}td.key{color:var(--cyan);font-weight:bold;white-space:nowrap}.group-start td{border-top:4px solid var(--gold)}.group-label{display:block;font-size:11px;color:var(--gold);letter-spacing:.4px;text-transform:uppercase}code{color:#f0d59e;background:#071821;padding:2px 5px;border-radius:4px;white-space:nowrap}.formula{white-space:pre-line;background:#071821;border:1px solid var(--line);padding:18px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.svg{border:1px solid var(--line);padding:10px;background:#071821;margin:22px 0}.svg svg{width:100%;height:auto;display:block}.svg-caption{font-size:13px;color:#91a9b4;margin:8px 2px 0}.small{font-size:12px;color:#91a9b4}.contact{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact div{background:#071821;border:1px solid var(--line);padding:15px}.source-list li{margin:9px 0}blockquote{margin:24px 0;padding:20px 24px;background:#071821;border-left:7px solid var(--gold);font-size:19px;color:#fff1c8}.pass{color:var(--mint);font-weight:bold}.hold{color:var(--gold);font-weight:bold}.fail{color:var(--red);font-weight:bold}footer{margin-top:58px;background:#02080c;padding:36px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}@media(max-width:900px){h1{font-size:32px}.toc ol{columns:1}.contact,.footer-grid{grid-template-columns:1fr}.hero{padding-top:50px}.wrap{padding:0 16px}table{min-width:900px}}\n<\/style><\/head><body>\n<header class=\"hero\"><div class=\"wrap\"><div class=\"eyebrow\">Feichun Cable \u00b7 Engineering note \u00b7 Vietnamese edition<\/div><h1>FESTOONFIBERFLEX \u2014 c\u00e1p quang loose\u2011tube b\u1ecdc cao su cho festoon v\u00e0 simple reeling<\/h1><p class=\"lead\">S\u00e1u \u1ed1ng l\u1ecfng quanh ph\u1ea7n t\u1eed \u0111\u1ee1 trung t\u00e2m \u00b7 6\/12\/18 s\u1ee3i \u00b7 50\/125, 62,5\/125 ho\u1eb7c E9\/125 \u00b7 hai l\u1edbp s\u1ee3i aramid ch\u1ed1ng xo\u1eafn \u00b7 PCP \u0111en \u00b7 1.200 N \u00b7 Rmin 200 mm \u00b7 festoon\/cable tender \u0111\u1ebfn 240 m\/min.<\/p><div class=\"badges\"><span>6 tubes<\/span><span>6 \/ 12 \/ 18 fibres<\/span><span>Loose tube + filling compound<\/span><span>2 aramid layers<\/span><span>1.200 N max<\/span><span>Rmin 200 mm<\/span><span>Reeling 120 m\/min<\/span><span>Festoon 240 m\/min<\/span><span>NO RANDOM WOUND REEL<\/span><\/div><\/div><\/header>\n<main class=\"wrap\">\n<section id=\"tom-tat\"><h2>K\u1ebft lu\u1eadn k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi ch\u1ecdn<\/h2><div class=\"cards\"><div class=\"card\"><div class=\"value\">6 tubes<\/div><p>Topology c\u1ed1 \u0111\u1ecbnh: s\u00e1u \u1ed1ng quanh central support; 1, 2 ho\u1eb7c 3 fibres\/tube t\u1ea1o t\u1ed5ng 6, 12 ho\u1eb7c 18 s\u1ee3i.<\/p><\/div><div class=\"card gold\"><div class=\"value\">200 mm<\/div><p>B\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u tuy\u1ec7t \u0111\u1ed1i, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 12,9D\u201315,4D trong d\u1ea3i OD catalogue.<\/p><\/div><div class=\"card green\"><div class=\"value\">1.200 N<\/div><p>Max permissible tensile force c\u1ee7a to\u00e0n c\u00e1p; l\u1ef1c ph\u1ea3i truy\u1ec1n qua h\u1ec7 ch\u1ecbu l\u1ef1c, kh\u00f4ng qua glass fibres.<\/p><\/div><div class=\"card red\"><div class=\"value\">No random wound<\/div><p>Kh\u00f4ng d\u00f9ng tang cu\u1ed1n ch\u1ed3ng ng\u1eabu nhi\u00ean v\u00ec crossover pressure, kink, torsion v\u00e0 microbending loss.<\/p><\/div><\/div><p class=\"note\"><strong>\u0110\u1ecbnh v\u1ecb:<\/strong> \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u quang tr\u00ean STS crane, RTG\/RMG, ship unloader, stacker\/reclaimer, trolley festoon v\u00e0 cable tender. Catalogue cho simple reeling \u0111\u1ebfn 120 m\/min nh\u01b0ng lo\u1ea1i tr\u1eeb random-wound reel; festoon\/cable tender \u0111\u1ebfn 240 m\/min.<\/p><\/section>\n\n<nav class=\"toc\"><strong>M\u1ee5c l\u1ee5c k\u1ef9 s\u01b0<\/strong><ol><li><a href=\"#nguon\">Ngu\u1ed3n &#038; phi\u00ean b\u1ea3n<\/a><\/li><li><a href=\"#ung-dung\">\u1ee8ng d\u1ee5ng<\/a><\/li><li><a href=\"#cau-truc\">C\u1ea5u tr\u00fac<\/a><\/li><li><a href=\"#mat-cat\">M\u1eb7t c\u1eaft<\/a><\/li><li><a href=\"#loose-tube\">C\u01a1 ch\u1ebf loose tube<\/a><\/li><li><a href=\"#fibre-type\">Lo\u1ea1i s\u1ee3i<\/a><\/li><li><a href=\"#optical\">Th\u00f4ng s\u1ed1 quang<\/a><\/li><li><a href=\"#matrix\">9 c\u1ea5u h\u00ecnh<\/a><\/li><li><a href=\"#budget\">Link budget<\/a><\/li><li><a href=\"#motion\">Festoon\/reeling<\/a><\/li><li><a href=\"#random\">No random wound<\/a><\/li><li><a href=\"#co-hoc\">B\u00e1n k\u00ednh &#038; tension<\/a><\/li><li><a href=\"#termination\">Termination<\/a><\/li><li><a href=\"#test\">IEC test route<\/a><\/li><li><a href=\"#fat\">FAT\/SAT<\/a><\/li><li><a href=\"#feichun\">Feichun design<\/a><\/li><li><a href=\"#faq\">FAQ<\/a><\/li><li><a href=\"#chung-nhan\">Ch\u1ee9ng nh\u1eadn<\/a><\/li><li><a href=\"#tham-khao\">Ngu\u1ed3n ch\u00ednh th\u1ee9c<\/a><\/li><\/ol><\/nav>\n\n<section id=\"nguon\"><h2>Ki\u1ec3m so\u00e1t ngu\u1ed3n d\u1eef li\u1ec7u v\u00e0 c\u00e1c \u0111i\u1ec3m kh\u00f4ng n\u00ean \u201ct\u1ef1 s\u1eeda\u201d<\/h2><div class=\"scroll\"><table><thead><tr><th>H\u1ea1ng m\u1ee5c<\/th><th>Catalogue PDF \u00b7 pp. 26\u201327<\/th><th>Current UTV Cavi page<\/th><th>C\u00e1ch x\u1eed l\u00fd<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Construction<\/td><td>50\/62,5\/9 \u00b5m; six tubes; PBTF; double aramid; PCP.<\/td><td>L\u1eb7p l\u1ea1i c\u00f9ng topology v\u00e0 chu\u1ed7i v\u1eadt li\u1ec7u PBTF.<\/td><td>Gi\u1eef nguy\u00ean PBTF; kh\u00f4ng \u00e2m th\u1ea7m \u0111\u1ed5i th\u00e0nh PBT.<\/td><\/tr><tr><td class=\"key\">Optical\/mechanical matrix<\/td><td>C\u00f3 attenuation, bandwidth, NA, MFD, dispersion, speed v\u00e0 9 sizes.<\/td><td>Kh\u00f4ng hi\u1ec3n th\u1ecb matrix\/speed trong ph\u1ea7n c\u00f4ng khai \u0111\u00e3 ki\u1ec3m tra.<\/td><td>Freeze c\u00e1c s\u1ed1 theo catalogue edition.<\/td><\/tr><tr><td class=\"key\">Marking<\/td><td>PALAZZO \u2013 FESTOONFIBERFLEX\u2026<\/td><td>U.T.V. CAVI manufactured BY PALAZZO\u2026<\/td><td>Ch\u1ec9 l\u00e0 reference marking; Feichun d\u00f9ng marking ri\u00eang.<\/td><\/tr><tr><td class=\"key\">\u201cAbsolute immunity\u201d<\/td><td>Marketing statement v\u1ec1 fibre-optic transmission.<\/td><td>L\u1eb7p l\u1ea1i statement n\u00e0y.<\/td><td>Gi\u1edbi h\u1ea1n k\u1ebft lu\u1eadn \u1edf glass data path; kh\u00f4ng m\u1edf r\u1ed9ng sang to\u00e0n h\u1ec7.<\/td><\/tr><tr><td class=\"key\">IEC fibre category<\/td><td>Kh\u00f4ng n\u00eau OM\/OS, IEC A\/B category ho\u1eb7c ITU\u2011T G-series.<\/td><td>Kh\u00f4ng b\u1ed5 sung category.<\/td><td>Kh\u00f4ng g\u00e1n category t\u1eeb core diameter m\u1ed9t m\u00ecnh.<\/td><\/tr><\/tbody><\/table><\/div><p class=\"warn\">50\/125, 62,5\/125 v\u00e0 9\/125 ch\u1ec9 m\u00f4 t\u1ea3 geometry c\u01a1 b\u1ea3n. \u0110\u1ec3 x\u00e1c nh\u1eadn OM1\/OM2\/OM3\/OM4\/OM5, OS1\/OS2 ho\u1eb7c B\u2011652\/B\u2011657 c\u1ea7n exact fibre specification, bandwidth method, attenuation, bending class, cutoff wavelength, PMD v\u00e0 certificate\/CoC \u0111\u00fang lot.<\/p><\/section>\n\n<section id=\"ung-dung\"><h2>\u1ee8ng d\u1ee5ng tr\u00ean thi\u1ebft b\u1ecb c\u1ea3ng v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u<\/h2><div class=\"grid\"><div class=\"box\"><h3>STS crane trolley<\/h3><p>Ethernet\/field data, camera, PLC remote I\/O ho\u1eb7c condition monitoring gi\u1eefa machinery house v\u00e0 trolley.<\/p><\/div><div class=\"box\"><h3>RTG\/RMG<\/h3><p>Backbone quang qua festoon\/cable tender khi tuy\u1ebfn c\u00e1p ch\u1ecbu acceleration, rung v\u00e0 UV.<\/p><\/div><div class=\"box\"><h3>Ship unloader<\/h3><p>Video, interlock data v\u00e0 diagnostics tr\u00ean tuy\u1ebfn di \u0111\u1ed9ng c\u00f3 b\u1ee5i, \u1ea9m, rung v\u00e0 loop d\u00e0i.<\/p><\/div><div class=\"box\"><h3>Stacker\/reclaimer<\/h3><p>Li\u00ean k\u1ebft \u0111i\u1ec1u khi\u1ec3n\/gi\u00e1m s\u00e1t d\u1ecdc boom ho\u1eb7c trolley; c\u1ea7n qu\u1ea3n l\u00fd tension v\u00e0 bending events.<\/p><\/div><div class=\"box\"><h3>Simple reeling<\/h3><p>\u0110\u1ebfn 120 m\/min v\u1edbi controlled winding; kh\u00f4ng d\u00f9ng random-layer reel.<\/p><\/div><div class=\"box\"><h3>EMI-heavy zones<\/h3><p>Glass path kh\u00f4ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb nh\u01b0 copper pair; endpoints v\u00e0 power system v\u1eabn c\u1ea7n EMC design.<\/p><\/div><\/div><\/section>\n\n<section id=\"cau-truc\"><h2>C\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng k\u1ef9 thu\u1eadt<\/h2><div class=\"scroll\"><table><thead><tr><th>Ph\u1ea7n t\u1eed<\/th><th>D\u1eef li\u1ec7u catalogue<\/th><th>Ch\u1ee9c n\u0103ng<\/th><th>Th\u00f4ng tin ph\u1ea3i kh\u00f3a<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Optical fibre<\/td><td>Core 50 \u00b5m, 62,5 \u00b5m ho\u1eb7c 9 \u00b5m; cladding 125 \u00b5m; coating 250 \u00b5m.<\/td><td>Truy\u1ec1n t\u00edn hi\u1ec7u; coating b\u1ea3o v\u1ec7 glass surface trong tube.<\/td><td>IEC\/ITU category, proof test, attenuation, bandwidth\/dispersion, coating type.<\/td><\/tr><tr><td class=\"key\">Loose tubes<\/td><td>S\u00e1u hollow tubes, basic material ghi \u201cPBTF\u201d, c\u00f3 filling compound.<\/td><td>T\u00e1ch fibre kh\u1ecfi strain c\u00e1p v\u00e0 gi\u1ea3m microbend; gel h\u1ed7 tr\u1ee3 m\u00f4i tr\u01b0\u1eddng\/\u0111\u1ec7m.<\/td><td>Tube OD\/ID, material code, excess fibre length, gel flow, kink resistance.<\/td><\/tr><tr><td class=\"key\">Identification<\/td><td>Tube color code ki\u1ec3u pilot-directional; 2\/3 fibres m\u1ed7i tube c\u00f3 m\u00e0u kh\u00e1c nhau.<\/td><td>Gi\u1eef mapping t\u1eeb fibre \u0111\u1ebfn splice tray v\u00e0 transceiver.<\/td><td>Approved color schedule, tube\/fibre numbering v\u00e0 as-built record.<\/td><\/tr><tr><td class=\"key\">Tube lay<\/td><td>S\u00e1u tubes \u0111\u1eb7c bi\u1ec7t laid-up quanh central support element.<\/td><td>Gi\u1eef symmetry v\u00e0 qu\u1ea3n l\u00fd strain\/torsion trong chuy\u1ec3n \u0111\u1ed9ng.<\/td><td>Lay length\/direction, central element material v\u00e0 diameter.<\/td><\/tr><tr><td class=\"key\">Anti-twist\/support<\/td><td>Hai l\u1edbp synthetic yarns b\u1eb1ng aramid fibres.<\/td><td>Chia t\u1ea3i k\u00e9o, h\u1ea1n ch\u1ebf torsion v\u00e0 b\u1ea3o v\u1ec7 tubes.<\/td><td>Yarn denier, coverage, angle, load transfer v\u00e0 termination method.<\/td><\/tr><tr><td class=\"key\">Outer sheath<\/td><td>PCP \u0111en; UV\/oil\/chemical resistant, t\u1ed1t h\u01a1n 5GM2.<\/td><td>Ch\u1ecbu m\u00e0i m\u00f2n, th\u1eddi ti\u1ebft, \u1ea9m v\u00e0 d\u1ea7u trong mobile duty.<\/td><td>Wall, hardness, tear\/abrasion, fluid list, UV\/ozone test evidence.<\/td><\/tr><\/tbody><\/table><\/div><p class=\"warn\"><strong>PBTF note:<\/strong> c\u1ea3 PDF v\u00e0 current webpage \u0111\u1ec1u d\u00f9ng chu\u1ed7i \u201cPBTF\u201d. PBT l\u00e0 v\u1eadt li\u1ec7u loose-tube ph\u1ed5 bi\u1ebfn trong ng\u00e0nh, nh\u01b0ng b\u00e0i kh\u00f4ng coi hai k\u00fd hi\u1ec7u l\u00e0 \u0111\u1ed3ng ngh\u0129a n\u1ebfu ch\u01b0a c\u00f3 material specification ho\u1eb7c approved drawing.<\/p><\/section>\n\n<div id=\"mat-cat\" class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1840 1120\" role=\"img\" aria-label=\"M\u1eb7t c\u1eaft c\u00e1p quang loose tube s\u00e1u \u1ed1ng\"><rect width=\"1840\" height=\"1120\" fill=\"#06131b\"\/><defs><pattern id=\"aramid\" width=\"24\" height=\"24\" patternUnits=\"userSpaceOnUse\"><path d=\"M-6 6L6-6M0 24L24 0M18 30L30 18\" stroke=\"#e5c65c\" stroke-width=\"4\"\/><path d=\"M0 0L24 24\" stroke=\"#9f8a38\" stroke-width=\"3\"\/><\/pattern><radialGradient id=\"gel\"><stop offset=\"0\" stop-color=\"#9deef7\"\/><stop offset=\"1\" stop-color=\"#207587\"\/><\/radialGradient><\/defs><g font-family=\"Arial,Helvetica\"><text x=\"55\" y=\"65\" fill=\"#55dff7\" font-size=\"36\" font-weight=\"700\">M\u1eb7t c\u1eaft ch\u1ee9c n\u0103ng \u00b7 18 fibres \/ 6 loose tubes<\/text><g transform=\"translate(610 590)\"><circle r=\"455\" fill=\"#10171b\" stroke=\"#29343a\" stroke-width=\"72\"\/><circle r=\"385\" fill=\"url(#aramid)\" stroke=\"#e7cc6f\" stroke-width=\"12\"\/><circle r=\"310\" fill=\"#38464c\" stroke=\"#71858d\" stroke-width=\"12\"\/><circle r=\"82\" fill=\"#202b30\" stroke=\"#a8bbc3\" stroke-width=\"12\"\/><text x=\"0\" y=\"8\" fill=\"#a8bbc3\" font-size=\"18\" text-anchor=\"middle\">support<\/text><g><g transform=\"translate(0 -205)\"><circle r=\"92\" fill=\"#d84a4a\" stroke=\"#f5a2a2\" stroke-width=\"9\"\/><circle r=\"66\" fill=\"url(#gel)\"\/><circle cx=\"-30\" cy=\"8\" r=\"10\" fill=\"#f7dc4c\"\/><circle cx=\"0\" cy=\"-25\" r=\"10\" fill=\"#f4f4f4\"\/><circle cx=\"30\" cy=\"8\" r=\"10\" fill=\"#55dff7\"\/><\/g><g transform=\"translate(178 -103)\"><circle r=\"92\" fill=\"#4ab96d\" stroke=\"#a9e6bb\" stroke-width=\"9\"\/><circle r=\"66\" fill=\"url(#gel)\"\/><circle cx=\"-30\" cy=\"8\" r=\"10\" fill=\"#ff8b51\"\/><circle cx=\"0\" cy=\"-25\" r=\"10\" fill=\"#b8a5ff\"\/><circle cx=\"30\" cy=\"8\" r=\"10\" fill=\"#111\"\/><\/g><g transform=\"translate(178 103)\"><circle r=\"92\" fill=\"#4f82d9\" stroke=\"#a9c5f3\" stroke-width=\"9\"\/><circle r=\"66\" fill=\"url(#gel)\"\/><circle cx=\"-30\" cy=\"8\" r=\"10\" fill=\"#e555a7\"\/><circle cx=\"0\" cy=\"-25\" r=\"10\" fill=\"#79d7ce\"\/><circle cx=\"30\" cy=\"8\" r=\"10\" fill=\"#ad7a43\"\/><\/g><g transform=\"translate(0 205)\"><circle r=\"92\" fill=\"#f3f3f3\" stroke=\"#b9c4c8\" stroke-width=\"9\"\/><circle r=\"66\" fill=\"url(#gel)\"\/><circle cx=\"-30\" cy=\"8\" r=\"10\" fill=\"#d84a4a\"\/><circle cx=\"0\" cy=\"-25\" r=\"10\" fill=\"#4ab96d\"\/><circle cx=\"30\" cy=\"8\" r=\"10\" fill=\"#4f82d9\"\/><\/g><g transform=\"translate(-178 103)\"><circle r=\"92\" fill=\"#9c68cc\" stroke=\"#d6b4f1\" stroke-width=\"9\"\/><circle r=\"66\" fill=\"url(#gel)\"\/><circle cx=\"-30\" cy=\"8\" r=\"10\" fill=\"#f7dc4c\"\/><circle cx=\"0\" cy=\"-25\" r=\"10\" fill=\"#f4f4f4\"\/><circle cx=\"30\" cy=\"8\" r=\"10\" fill=\"#55dff7\"\/><\/g><g transform=\"translate(-178 -103)\"><circle r=\"92\" fill=\"#ed8b42\" stroke=\"#ffd0a8\" stroke-width=\"9\"\/><circle r=\"66\" fill=\"url(#gel)\"\/><circle cx=\"-30\" cy=\"8\" r=\"10\" fill=\"#ff8b51\"\/><circle cx=\"0\" cy=\"-25\" r=\"10\" fill=\"#b8a5ff\"\/><circle cx=\"30\" cy=\"8\" r=\"10\" fill=\"#111\"\/><\/g><\/g><\/g><g font-size=\"23\"><path d=\"M825 220H1260\" stroke=\"#55dff7\" stroke-width=\"9\"\/><text x=\"1280\" y=\"228\" fill=\"#e8f3f5\">250 \u00b5m coated optical fibres<\/text><path d=\"M925 390H1260\" stroke=\"#d84a4a\" stroke-width=\"10\"\/><text x=\"1280\" y=\"398\" fill=\"#e8f3f5\">Six PBTF loose tubes + compound<\/text><path d=\"M900 565H1260\" stroke=\"#a8bbc3\" stroke-width=\"10\"\/><text x=\"1280\" y=\"573\" fill=\"#e8f3f5\">Central support \u00b7 material not published<\/text><path d=\"M930 750H1260\" stroke=\"#e5c65c\" stroke-width=\"12\"\/><text x=\"1280\" y=\"758\" fill=\"#e8f3f5\">Double aramid-yarn layers<\/text><path d=\"M900 930H1260\" stroke=\"#29343a\" stroke-width=\"15\"\/><text x=\"1280\" y=\"938\" fill=\"#e8f3f5\">Black PCP outer sheath<\/text><\/g><text x=\"55\" y=\"1070\" fill=\"#91a9b4\" font-size=\"20\">Topology 18-fibre minh h\u1ecda 3 fibres\/tube; 6F d\u00f9ng 1\/tube, 12F d\u00f9ng 2\/tube. K\u00edch th\u01b0\u1edbc kh\u00f4ng ph\u1ea3i production drawing.<\/text><\/g><\/svg><div class=\"svg-caption\">H\u00ecnh 1 \u2014 M\u1eb7t c\u1eaft tu\u00e2n theo s\u00e1u \u1ed1ng quanh ph\u1ea7n t\u1eed \u0111\u1ee1; kh\u00f4ng g\u00e1n v\u1eadt li\u1ec7u cho central support v\u00ec ngu\u1ed3n kh\u00f4ng c\u00f4ng b\u1ed1.<\/div><\/div>\n\n<section id=\"loose-tube\"><h2>V\u00ec sao loose tube ph\u00f9 h\u1ee3p chuy\u1ec3n \u0111\u1ed9ng l\u1eb7p<\/h2><p>Fibre \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed v\u1edbi controlled excess length trong \u1ed1ng, kh\u00f4ng d\u00e1n c\u1ee9ng to\u00e0n chi\u1ec1u d\u00e0i v\u00e0o sheath. Khi c\u00e1p k\u00e9o\/u\u1ed1n, tube v\u00e0 aramid nh\u1eadn ph\u1ea7n l\u1edbn bi\u1ebfn d\u1ea1ng; fibre c\u00f3 kho\u1ea3ng d\u1ecbch chuy\u1ec3n nh\u1ecf trong gel tr\u01b0\u1edbc khi strain truy\u1ec1n tr\u1ef1c ti\u1ebfp v\u00e0o glass.<\/p><div class=\"grid\"><div class=\"box\"><h3>Axial decoupling<\/h3><p>Excess fibre length gi\u1ea3m strain tr\u1ef1c ti\u1ebfp khi c\u00e1p ch\u1ecbu tension. Qu\u00e1 \u00edt g\u00e2y fibre strain; qu\u00e1 nhi\u1ec1u c\u00f3 th\u1ec3 t\u0103ng microbend.<\/p><\/div><div class=\"box\"><h3>Microbend control<\/h3><p>Tube roundness, gel, local crush v\u00e0 yarn pressure quy\u1ebft \u0111\u1ecbnh small-scale bending loss.<\/p><\/div><div class=\"box\"><h3>Macrobend control<\/h3><p>Rmin 200 mm gi\u1edbi h\u1ea1n \u0111\u01b0\u1eddng cong to\u00e0n c\u00e1p; connector pigtail c\u00f3 radius ri\u00eang.<\/p><\/div><div class=\"box\"><h3>Temperature window<\/h3><p>Ch\u00eanh thermal expansion gi\u1eefa glass, tube, yarn v\u00e0 PCP ph\u1ea3i n\u1eb1m trong excess-length window t\u1eeb \u221240 \u0111\u1ebfn +80\u00b0C fixed.<\/p><\/div><\/div><\/section>\n\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1840 900\" role=\"img\" aria-label=\"C\u01a1 ch\u1ebf excess fibre length trong loose tube\"><rect width=\"1840\" height=\"900\" fill=\"#06131b\"\/><g font-family=\"Arial,Helvetica\"><text x=\"55\" y=\"65\" fill=\"#55dff7\" font-size=\"36\" font-weight=\"700\">Loose-tube strain decoupling<\/text><path d=\"M100 310C430 120 710 500 1030 300S1510 130 1740 315\" fill=\"none\" stroke=\"#d84a4a\" stroke-width=\"115\"\/><path d=\"M100 310C430 120 710 500 1030 300S1510 130 1740 315\" fill=\"none\" stroke=\"#24798c\" stroke-width=\"78\"\/><path d=\"M100 300C270 210 345 360 505 260S740 390 900 280S1150 385 1320 270S1550 370 1740 300\" fill=\"none\" stroke=\"#f7dc4c\" stroke-width=\"9\"\/><path d=\"M100 330C270 240 345 390 505 290S740 420 900 310S1150 415 1320 300S1550 400 1740 330\" fill=\"none\" stroke=\"#55dff7\" stroke-width=\"9\"\/><text x=\"115\" y=\"530\" fill=\"#e8f3f5\" font-size=\"24\">Tube path<\/text><path d=\"M230 500L330 385\" stroke=\"#d84a4a\" stroke-width=\"7\"\/><text x=\"670\" y=\"610\" fill=\"#f7dc4c\" font-size=\"24\">Fibre c\u00f3 controlled excess length<\/text><path d=\"M880 570L930 330\" stroke=\"#f7dc4c\" stroke-width=\"7\"\/><rect x=\"95\" y=\"690\" width=\"1650\" height=\"130\" rx=\"18\" fill=\"#0d2029\" stroke=\"#294d5e\"\/><text x=\"130\" y=\"742\" fill=\"#e8f3f5\" font-size=\"22\">M\u1ee5c ti\u00eau thi\u1ebft k\u1ebf: \u0394attenuation th\u1ea5p trong bend\/tension\/temperature cycles.<\/text><text x=\"130\" y=\"785\" fill=\"#a9bec7\" font-size=\"20\">Kh\u00f4ng \u0111\u01b0\u1ee3c suy ra excess-length %, tube ID ho\u1eb7c gel specification t\u1eeb catalogue; c\u1ea7n drawing v\u00e0 type-test protocol.<\/text><\/g><\/svg><div class=\"svg-caption\">H\u00ecnh 2 \u2014 H\u00ecnh d\u1ecdc minh h\u1ecda c\u01a1 ch\u1ebf decoupling, kh\u00f4ng ph\u1ea3i t\u1ef7 l\u1ec7 h\u00ecnh h\u1ecdc th\u1ef1c t\u1ebf.<\/div><\/div>\n\n<section id=\"fibre-type\"><h2>50\/125, 62,5\/125 v\u00e0 E9\/125: \u0111i\u1ec1u g\u00ec \u0111\u00e3 bi\u1ebft, \u0111i\u1ec1u g\u00ec ch\u01b0a<\/h2><div class=\"scroll\"><table><thead><tr><th>Fibre<\/th><th>\u0110i\u1ec3m catalogue x\u00e1c nh\u1eadn<\/th><th>\u1ee8ng d\u1ee5ng th\u01b0\u1eddng xem x\u00e9t<\/th><th>Kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ef1 k\u1ebft lu\u1eadn<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">50\/125<\/td><td>Graded-index MM; attenuation\/bandwidth\/NA theo b\u1ea3ng.<\/td><td>Short-reach data v\u1edbi transceiver 850\/1300 nm t\u01b0\u01a1ng th\u00edch.<\/td><td>Kh\u00f4ng t\u1ef1 g\u1ecdi OM2\/OM3\/OM4\/OM5; thi\u1ebfu exact category v\u00e0 launch condition.<\/td><\/tr><tr><td class=\"key\">62,5\/125<\/td><td>Main type; graded-index MM; 1\/2\/3 fibres per tube.<\/td><td>Legacy multimode plants v\u00e0 equipment d\u00f9ng 62,5 \u00b5m.<\/td><td>Kh\u00f4ng ch\u1ec9 d\u1ef1a core size \u0111\u1ec3 cam k\u1ebft protocol reach.<\/td><\/tr><tr><td class=\"key\">E9\/125<\/td><td>Single-mode; MFD, attenuation v\u00e0 chromatic-dispersion limits \u0111\u01b0\u1ee3c n\u00eau.<\/td><td>Longer reach ho\u1eb7c high-bandwidth link v\u1edbi optics t\u01b0\u01a1ng th\u00edch.<\/td><td>Kh\u00f4ng t\u1ef1 g\u1ecdi OS1\/OS2, B\u2011652\/B\u2011657 ho\u1eb7c G.652.D; thi\u1ebfu category\/cutoff\/PMD\/bend class.<\/td><\/tr><\/tbody><\/table><\/div><p class=\"note\">IEC 60793\u20112\u201150:2025 \u0111\u1ecbnh ngh\u0129a nhi\u1ec1u class B single-mode categories. M\u1ed9t gi\u00e1 tr\u1ecb MFD 9,2 \u00b10,4 \u00b5m v\u00e0 attenuation 0,4\/0,3 dB\/km ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 ch\u1ecdn category c\u1ee5 th\u1ec3.<\/p><\/section>\n\n<section id=\"optical\"><h2>Ma tr\u1eadn th\u00f4ng s\u1ed1 quang \u2014 gi\u1eef nguy\u00ean catalogue<\/h2><div class=\"scroll\"><table class=\"optical\"><caption>Maximum attenuation, bandwidth, NA, MFD v\u00e0 chromatic dispersion<\/caption><thead><tr><th>Fibre type<\/th><th>Mode<\/th><th>Max \u03b1<br>850 nm<br>dB\/km<\/th><th>Max \u03b1<br>1300 nm<br>dB\/km<\/th><th>Max \u03b1<br>1310 nm<br>dB\/km<\/th><th>Max \u03b1<br>1550 nm<br>dB\/km<\/th><th>Bandwidth<br>850\/1300<br>MHz\u00b7km<\/th><th>Numerical<br>aperture<\/th><th>MFD @1310<br>\u00b5m<\/th><th>Dispersion @1300<br>ps\/(nm\u00b7km)<\/th><th>Dispersion @1550<br>ps\/(nm\u00b7km)<\/th><\/tr><\/thead><tbody><tr><td class=\"key\"><code>50\/125<\/code><\/td><td>Graded-index MM<\/td><td>2,8<\/td><td>0,8<\/td><td>\u2014<\/td><td>\u2014<\/td><td>\u2265400\/800<\/td><td>0,200 \u00b1 0,02<\/td><td>\u2014<\/td><td>\u2014<\/td><td>\u2014<\/td><\/tr><tr><td class=\"key\"><code>62,5\/125<\/code><\/td><td>Graded-index MM<\/td><td>3,0<\/td><td>0,9<\/td><td>\u2014<\/td><td>\u2014<\/td><td>\u2265160\/500<\/td><td>0,275 \u00b1 0,02<\/td><td>\u2014<\/td><td>\u2014<\/td><td>\u2014<\/td><\/tr><tr><td class=\"key\"><code>E9\/125<\/code><\/td><td>Single-mode<\/td><td>\u2014<\/td><td>\u2014<\/td><td>0,4<\/td><td>0,3<\/td><td>\u2014<\/td><td>\u2014<\/td><td>9,2 \u00b1 0,4<\/td><td><3,5<\/td><td><18<\/td><\/tr><\/tbody><\/table><\/div><p class=\"warn\">Catalogue header ghi bandwidth \u201cMHz\u201d; gi\u00e1 tr\u1ecb d\u1ea1ng 400\/800 v\u00e0 160\/500 trong th\u1ef1c h\u00e0nh \u0111\u01b0\u1ee3c hi\u1ec3u theo bandwidth\u2013length product. B\u00e0i hi\u1ec3n th\u1ecb MHz\u00b7km \u0111\u1ec3 tr\u00e1nh d\u00f9ng sai, nh\u01b0ng PO ph\u1ea3i x\u00e1c nh\u1eadn unit v\u00e0 test method c\u1ee7a revision ngu\u1ed3n.<\/p><\/section>\n\n<section id=\"matrix\"><h2>B\u1ea3ng \u0111\u1ea7y \u0111\u1ee7 \u2014 9 c\u1ea5u h\u00ecnh FESTOONFIBERFLEX<\/h2><div class=\"scroll\"><table><caption>Six tubes \u00b7 6\/12\/18 fibres \u00b7 catalogue edition<\/caption><thead><tr><th>Fibre count &#038; type<\/th><th>Fibres \/ tube<\/th><th>OD min<br>mm<\/th><th>OD max<br>mm<\/th><th>Mass approx.<br>kg\/km<\/th><th>Max tensile<br>N<\/th><\/tr><\/thead><tbody><tr class=\"group-start\"><td class=\"key\"><span class=\"group-label\">6 s\u1ee3i \u00b7 lo\u1ea1i ch\u00ednh<\/span><code>6G62,5\/125*<\/code><\/td><td>1<\/td><td>13,0<\/td><td>15,0<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr><td class=\"key\"><code>6G50\/125<\/code><\/td><td>1<\/td><td>13,0<\/td><td>15,0<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr><td class=\"key\"><code>6E9\/125<\/code><\/td><td>1<\/td><td>13,0<\/td><td>15,0<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr class=\"group-start\"><td class=\"key\"><span class=\"group-label\">12 s\u1ee3i<\/span><code>12G62,5\/125<\/code><\/td><td>2<\/td><td>13,0<\/td><td>15,0<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr><td class=\"key\"><code>12G50\/125<\/code><\/td><td>2<\/td><td>13,0<\/td><td>15,0<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr><td class=\"key\"><code>12E9\/125<\/code><\/td><td>2<\/td><td>13,0<\/td><td>15,0<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr class=\"group-start\"><td class=\"key\"><span class=\"group-label\">18 s\u1ee3i<\/span><code>18G62,5\/125<\/code><\/td><td>3<\/td><td>13,5<\/td><td>15,5<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr><td class=\"key\"><code>18G50\/125<\/code><\/td><td>3<\/td><td>13,5<\/td><td>15,5<\/td><td>230<\/td><td>1.200<\/td><\/tr><tr><td class=\"key\"><code>18E9\/125<\/code><\/td><td>3<\/td><td>13,5<\/td><td>15,5<\/td><td>230<\/td><td>1.200<\/td><\/tr><\/tbody><\/table><\/div><p class=\"note\"><strong>* Main type:<\/strong> 6G62,5\/125. C\u00e1c lo\u1ea1i c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c catalogue n\u00eau \u201con request\u201d. Mass 230 kg\/km v\u00e0 tension 1.200 N gi\u1eef nguy\u00ean cho c\u1ea3 ch\u00edn d\u00f2ng; OD t\u0103ng l\u00ean 13,5\u201315,5 mm cho nh\u00f3m 18 fibres.<\/p><\/section>\n\n<section id=\"budget\"><h2>Link budget: attenuation c\u1ee7a fibre ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n<\/h2><p class=\"formula\">Loss<sub>total<\/sub> = \u03b1<sub>fibre<\/sub> \u00d7 L + \u03a3loss<sub>connector<\/sub> + \u03a3loss<sub>splice<\/sub> + margin<sub>dynamic<\/sub> + margin<sub>ageing<\/sub>\nKh\u00f4ng d\u00f9ng \u03b1 \u00d7 L m\u1ed9t m\u00ecnh \u0111\u1ec3 ph\u00ea duy\u1ec7t link.<\/p><div class=\"scroll\"><table><caption>V\u00ed d\u1ee5 suy d\u1eabn cho 250 m fibre \u2014 ch\u1ec9 intrinsic fibre loss theo catalogue maxima<\/caption><thead><tr><th>Fibre<\/th><th>Wavelength<\/th><th>\u03b1 max<\/th><th>0,25 km \u00d7 \u03b1<\/th><th>Ch\u01b0a bao g\u1ed3m<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">50\/125<\/td><td>850 \/ 1300 nm<\/td><td>2,8 \/ 0,8 dB\/km<\/td><td>0,70 \/ 0,20 dB<\/td><td rowspan=\"3\">Connectors, splices, launch condition, transceiver margin, temperature, bend\/tension change v\u00e0 ageing.<\/td><\/tr><tr><td class=\"key\">62,5\/125<\/td><td>850 \/ 1300 nm<\/td><td>3,0 \/ 0,9 dB\/km<\/td><td>0,75 \/ 0,225 dB<\/td><\/tr><tr><td class=\"key\">E9\/125<\/td><td>1310 \/ 1550 nm<\/td><td>0,4 \/ 0,3 dB\/km<\/td><td>0,10 \/ 0,075 dB<\/td><\/tr><\/tbody><\/table><\/div><p class=\"warn\">Crane links th\u01b0\u1eddng ng\u1eafn n\u00ean connector\/splice v\u00e0 dynamic bend events c\u00f3 th\u1ec3 chi\u1ebfm ph\u1ea7n l\u1edbn budget. \u0110o insertion loss t\u1ea1i operating wavelength v\u00e0 l\u01b0u OTDR traces hai chi\u1ec1u tr\u01b0\u1edbc\/sau commissioning.<\/p><\/section>\n\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1840 900\" role=\"img\" aria-label=\"S\u01a1 \u0111\u1ed3 link budget v\u00e0 OTDR\"><rect width=\"1840\" height=\"900\" fill=\"#06131b\"\/><g font-family=\"Arial,Helvetica\"><text x=\"55\" y=\"65\" fill=\"#55dff7\" font-size=\"36\" font-weight=\"700\">Optical link evidence chain<\/text><rect x=\"70\" y=\"180\" width=\"260\" height=\"190\" rx=\"18\" fill=\"#0d2029\" stroke=\"#55dff7\" stroke-width=\"5\"\/><text x=\"200\" y=\"245\" text-anchor=\"middle\" fill=\"#55dff7\" font-size=\"25\" font-weight=\"700\">Launch lead<\/text><text x=\"200\" y=\"305\" text-anchor=\"middle\" fill=\"#e8f3f5\" font-size=\"20\">OTDR \/ source<\/text><rect x=\"420\" y=\"180\" width=\"260\" height=\"190\" rx=\"18\" fill=\"#0d2029\" stroke=\"#f0c865\" stroke-width=\"5\"\/><text x=\"550\" y=\"245\" text-anchor=\"middle\" fill=\"#f0c865\" font-size=\"25\" font-weight=\"700\">Connector A<\/text><text x=\"550\" y=\"305\" text-anchor=\"middle\" fill=\"#e8f3f5\" font-size=\"20\">event loss<\/text><rect x=\"770\" y=\"150\" width=\"520\" height=\"250\" rx=\"18\" fill=\"#0d2029\" stroke=\"#70d29a\" stroke-width=\"5\"\/><text x=\"1030\" y=\"225\" text-anchor=\"middle\" fill=\"#70d29a\" font-size=\"25\" font-weight=\"700\">Dynamic FESTOONFIBERFLEX<\/text><text x=\"1030\" y=\"285\" text-anchor=\"middle\" fill=\"#e8f3f5\" font-size=\"20\">\u03b1\u00d7L + bend\/tension variation<\/text><text x=\"1030\" y=\"335\" text-anchor=\"middle\" fill=\"#a9bec7\" font-size=\"19\">monitor during full travel<\/text><rect x=\"1380\" y=\"180\" width=\"260\" height=\"190\" rx=\"18\" fill=\"#0d2029\" stroke=\"#f0c865\" stroke-width=\"5\"\/><text x=\"1510\" y=\"245\" text-anchor=\"middle\" fill=\"#f0c865\" font-size=\"25\" font-weight=\"700\">Connector B<\/text><text x=\"1510\" y=\"305\" text-anchor=\"middle\" fill=\"#e8f3f5\" font-size=\"20\">event loss<\/text><path d=\"M330 275H420M680 275H770M1290 275H1380M1640 275H1760\" stroke=\"#55dff7\" stroke-width=\"8\"\/><path d=\"M90 650H1750\" stroke=\"#a9bec7\" stroke-width=\"6\"\/><path d=\"M90 650L410 620L425 720L445 625L775 600L800 690L825 605L1290 560L1320 680L1345 565L1700 540\" fill=\"none\" stroke=\"#55dff7\" stroke-width=\"7\"\/><text x=\"105\" y=\"805\" fill=\"#e8f3f5\" font-size=\"21\">Baseline OTDR: event position \u00b7 event loss \u00b7 reflectance \u00b7 slope \u00b7 end-to-end attenuation<\/text><\/g><\/svg><div class=\"svg-caption\">H\u00ecnh 3 \u2014 OTDR localization kh\u00f4ng thay th\u1ebf insertion-loss test; hai ph\u00e9p \u0111o ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c ti\u00eau kh\u00e1c nhau.<\/div><\/div>\n\n<section id=\"motion\"><h2>Motion, thermal v\u00e0 environmental envelope c\u1ee7a catalogue<\/h2><div class=\"scroll\"><table><caption>Gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c catalogue c\u00f4ng b\u1ed1 \u2014 kh\u00f4ng n\u1ed9i suy v\u01b0\u1ee3t ph\u1ea1m vi<\/caption><thead><tr><th>Parameter<\/th><th>Catalogue value<\/th><th>Engineering interpretation<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Fully flexible operation<\/td><td>\u221225 \u00b0C \u0111\u1ebfn +60 \u00b0C<\/td><td>Kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 khi c\u00e1p chuy\u1ec3n \u0111\u1ed9ng; ph\u1ea3i \u0111\u00e1nh gi\u00e1 \u0111\u1ed3ng th\u1eddi loop geometry, acceleration v\u00e0 optical variation.<\/td><\/tr><tr><td class=\"key\">Fixed installation<\/td><td>\u221240 \u00b0C \u0111\u1ebfn +80 \u00b0C<\/td><td>Ch\u1ec9 \u00e1p d\u1ee5ng khi c\u00e1p c\u1ed1 \u0111\u1ecbnh; kh\u00f4ng d\u00f9ng \u221240 \u00b0C l\u00e0m mobile limit.<\/td><\/tr><tr><td class=\"key\">Maximum tensile load<\/td><td>1.200 N<\/td><td>Gi\u1edbi h\u1ea1n c\u1ee7a to\u00e0n c\u00e1p; strain relief ph\u1ea3i b\u1eaft v\u00e0o sheath\/aramid load path.<\/td><\/tr><tr><td class=\"key\">Minimum bending radius<\/td><td>200 mm<\/td><td>L\u00e0 b\u00e1n k\u00ednh, kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1eddng k\u00ednh; ki\u1ec3m tra t\u1ea1i carrier, pulley, clamp v\u00e0 entry guide.<\/td><\/tr><tr><td class=\"key\">Simple reeling<\/td><td>\u0110\u1ebfn 120 m\/min; NO RANDOM WOUND REEL<\/td><td>Ch\u1ec9 controlled winding; speed kh\u00f4ng h\u1ee3p th\u1ee9c h\u00f3a crossover topology.<\/td><\/tr><tr><td class=\"key\">Festoon \/ cable tender<\/td><td>\u0110\u1ebfn 240 m\/min<\/td><td>Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 catalogue, kh\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9c l\u1eadp v\u1edbi acceleration, loop mass ho\u1eb7c carrier pitch.<\/td><\/tr><tr><td class=\"key\">Resistance to oil<\/td><td>According to VDE \/ IEC standard<\/td><td>Ngu\u1ed3n kh\u00f4ng n\u00eau edition, test fluid, duration ho\u1eb7c acceptance limit; PO\/FAT ph\u1ea3i kh\u00f3a c\u00e1c chi ti\u1ebft n\u00e0y.<\/td><\/tr><tr><td class=\"key\">Weather resistance<\/td><td>Unrestricted outdoor\/indoor use; UV resistant; moisture resistant<\/td><td>Kh\u00f4ng t\u1ef1 m\u1edf r\u1ed9ng th\u00e0nh salt-mist, immersion, chemical list ho\u1eb7c IP rating n\u1ebfu ch\u01b0a c\u00f3 test evidence.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"scroll\"><table><caption>Duty-specific controls<\/caption><thead><tr><th>Duty<\/th><th>Catalogue limit<\/th><th>Mechanical focus<\/th><th>Optical monitoring<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Festoon \/ cable tender<\/td><td>\u0110\u1ebfn 240 m\/min.<\/td><td>Loop depth, carrier spacing, acceleration, clamp transition, side pull.<\/td><td>Live received power\/error counters \u1edf full travel; periodic OTDR baseline comparison.<\/td><\/tr><tr><td class=\"key\">Simple reeling<\/td><td>\u0110\u1ebfn 120 m\/min.<\/td><td>Controlled winding, drum\/sheave radius, back-tension, fleet angle, no crossover crushing.<\/td><td>Monitor attenuation through wind\/unwind cycle and near layer transitions.<\/td><\/tr><tr><td class=\"key\">Random-wound reel<\/td><td class=\"fail\">Kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p.<\/td><td>Uncontrolled crossover, local pressure, slippage, kink v\u00e0 torsion.<\/td><td>Kh\u00f4ng \u201cch\u1ee9ng minh sau\u201d b\u1eb1ng m\u1ed9t OTDR t\u1ed1t; application n\u1eb1m ngo\u00e0i catalogue.<\/td><\/tr><\/tbody><\/table><\/div><\/section>\n\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1840 980\" role=\"img\" aria-label=\"Festoon, controlled reel v\u00e0 random wound reel\"><rect width=\"1840\" height=\"980\" fill=\"#06131b\"\/><g font-family=\"Arial,Helvetica\"><text x=\"55\" y=\"65\" fill=\"#55dff7\" font-size=\"36\" font-weight=\"700\">Permitted motion vs prohibited reel topology<\/text><rect x=\"55\" y=\"135\" width=\"780\" height=\"735\" rx=\"24\" fill=\"#0d2029\" stroke=\"#55dff7\" stroke-width=\"5\"\/><text x=\"105\" y=\"205\" fill=\"#55dff7\" font-size=\"29\" font-weight=\"700\">Festoon \u00b7 \u2264240 m\/min<\/text><path d=\"M120 290H770\" stroke=\"#9fb2ba\" stroke-width=\"14\"\/><g fill=\"#263940\" stroke=\"#a9bec7\" stroke-width=\"5\"><circle cx=\"210\" cy=\"290\" r=\"35\"\/><circle cx=\"390\" cy=\"290\" r=\"35\"\/><circle cx=\"570\" cy=\"290\" r=\"35\"\/><circle cx=\"750\" cy=\"290\" r=\"35\"\/><\/g><path d=\"M210 325Q300 720 390 325Q480 720 570 325Q660 720 750 325\" fill=\"none\" stroke=\"#090909\" stroke-width=\"38\"\/><text x=\"160\" y=\"795\" fill=\"#e8f3f5\" font-size=\"21\">loop geometry controlled<\/text><rect x=\"900\" y=\"135\" width=\"420\" height=\"735\" rx=\"24\" fill=\"#0d2029\" stroke=\"#f0c865\" stroke-width=\"5\"\/><text x=\"940\" y=\"205\" fill=\"#f0c865\" font-size=\"27\" font-weight=\"700\">Simple reel \u00b7 \u2264120<\/text><circle cx=\"1110\" cy=\"480\" r=\"175\" fill=\"#1b282e\" stroke=\"#8ca0a8\" stroke-width=\"40\"\/><circle cx=\"1110\" cy=\"480\" r=\"48\" fill=\"#06131b\"\/><path d=\"M950 420C1040 360 1180 360 1270 420M945 455C1040 395 1180 395 1275 455M945 490C1040 430 1180 430 1275 490\" fill=\"none\" stroke=\"#090909\" stroke-width=\"24\"\/><text x=\"950\" y=\"795\" fill=\"#e8f3f5\" font-size=\"20\">controlled layers<\/text><rect x=\"1380\" y=\"135\" width=\"405\" height=\"735\" rx=\"24\" fill=\"#0d2029\" stroke=\"#ff9297\" stroke-width=\"5\"\/><text x=\"1420\" y=\"205\" fill=\"#ff9297\" font-size=\"27\" font-weight=\"700\">Random wound \u00b7 NO<\/text><circle cx=\"1580\" cy=\"480\" r=\"175\" fill=\"#1b282e\" stroke=\"#8ca0a8\" stroke-width=\"40\"\/><circle cx=\"1580\" cy=\"480\" r=\"48\" fill=\"#06131b\"\/><path d=\"M1425 405C1580 555 1670 320 1740 505M1415 520C1510 330 1690 620 1745 410M1450 350C1600 620 1660 320 1730 570\" fill=\"none\" stroke=\"#ff9297\" stroke-width=\"21\"\/><path d=\"M1460 300L1720 690M1720 300L1460 690\" stroke=\"#ff9297\" stroke-width=\"18\"\/><text x=\"1440\" y=\"795\" fill=\"#ff9297\" font-size=\"20\">crossovers \u00b7 crush \u00b7 twist<\/text><\/g><\/svg><div class=\"svg-caption\">H\u00ecnh 4 \u2014 \u201cSimple reeling\u201d kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi m\u1ecdi lo\u1ea1i cable reel.<\/div><\/div>\n\n<section id=\"random\"><h2>V\u00ec sao random-wound reel b\u1ecb lo\u1ea1i tr\u1eeb<\/h2><div class=\"grid\"><div class=\"box\"><h3>Crossover pressure<\/h3><p>C\u00e1c v\u00f2ng c\u00e1p c\u1eaft ch\u00e9o t\u1ea1o line contact v\u00e0 local crush, l\u00e0m tube ovalization v\u00e0 microbend.<\/p><\/div><div class=\"box\"><h3>Layer slippage<\/h3><p>V\u00f2ng tr\u01b0\u1ee3t \u0111\u1ed9t ng\u1ed9t t\u1ea1o tension spike v\u01b0\u1ee3t \u0111i\u1ec1u khi\u1ec3n trung b\u00ecnh c\u1ee7a reel drive.<\/p><\/div><div class=\"box\"><h3>Stored torsion<\/h3><p>C\u00e1p b\u1ecb ch\u00e8n gi\u1eefa c\u00e1c l\u1edbp kh\u00f4ng gi\u1ea3i ph\u00f3ng xo\u1eafn, l\u00e0m tube lay v\u00e0 aramid package bi\u1ebfn d\u1ea1ng.<\/p><\/div><div class=\"box\"><h3>Unpredictable radius<\/h3><p>Local bend t\u1ea1i crossover c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n 200 mm d\u00f9 drum core \u0111\u1ee7 l\u1edbn.<\/p><\/div><\/div><p class=\"warn\">Kh\u00f4ng ph\u00ea duy\u1ec7t random-wound reel b\u1eb1ng c\u00e1ch gi\u1ea3m t\u1ed1c \u0111\u01a1n thu\u1ea7n. Topology ti\u1ebfp x\u00fac v\u1eabn kh\u00e1c; c\u1ea7n lo\u1ea1i c\u00e1p\/reel \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 th\u1eed ri\u00eang.<\/p><\/section>\n\n<section id=\"co-hoc\"><h2>200 mm v\u00e0 1.200 N: c\u00e1ch \u0111\u1ecdc \u0111\u00fang<\/h2><div class=\"scroll\"><table><thead><tr><th>Nh\u00f3m<\/th><th>OD range<\/th><th>200 mm \/ OD<\/th><th>Engineering interpretation<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">6\/12 fibres<\/td><td>13,0\u201315,0 mm<\/td><td>15,38D \u0111\u1ebfn 13,33D<\/td><td>Rmin tuy\u1ec7t \u0111\u1ed1i 200 mm; d\u00f9ng actual OD \u0111\u1ec3 ki\u1ec3m tra carrier\/pulley.<\/td><\/tr><tr><td class=\"key\">18 fibres<\/td><td>13,5\u201315,5 mm<\/td><td>14,81D \u0111\u1ebfn 12,90D<\/td><td>Kh\u00f4ng l\u00e0m tr\u00f2n xu\u1ed1ng 12D ho\u1eb7c d\u00f9ng nominal OD t\u00f9y \u00fd.<\/td><\/tr><tr><td class=\"key\">Tension<\/td><td colspan=\"2\">1.200 N max<\/td><td>Gi\u1edbi h\u1ea1n to\u00e0n c\u00e1p; termination ph\u1ea3i b\u1eaft aramid\/load path, fibre \u0111\u1ec3 slack.<\/td><\/tr><\/tbody><\/table><\/div><p class=\"note\">T\u1ef7 s\u1ed1 D \u1edf tr\u00ean l\u00e0 ph\u00e9p suy d\u1eabn t\u1eeb R=200 mm v\u00e0 OD catalogue, kh\u00f4ng ph\u1ea3i multiplier do catalogue c\u00f4ng b\u1ed1. V\u1edbi dynamic design, d\u00f9ng gi\u00e1 tr\u1ecb b\u1ea3o th\u1ee7 v\u00e0 approved system radius.<\/p><\/section>\n\n<section id=\"termination\"><h2>Termination v\u00e0 splice enclosure cho c\u00e1p di \u0111\u1ed9ng<\/h2><ol><li><strong>Strain relief:<\/strong> clamp\/grip ph\u1ea3i chuy\u1ec3n t\u1ea3i v\u00e0o sheath v\u00e0 aramid, kh\u00f4ng k\u1eb9p tubes ho\u1eb7c k\u00e9o pigtails.<\/li><li><strong>Breakout length:<\/strong> \u0111\u1ec3 \u0111\u1ee7 service loop cho splice tray nh\u01b0ng kh\u00f4ng t\u1ea1o unsupported loose-tube span t\u1ea1i moving entry.<\/li><li><strong>Tube management:<\/strong> tr\u00e1nh kink; tube bending v\u00e0 routing theo approved closure.<\/li><li><strong>Fibre slack:<\/strong> ki\u1ec3m so\u00e1t theo tray radius; kh\u00f4ng \u00e9p coating 250 \u00b5m v\u00e0o c\u1ea1nh s\u1eafc.<\/li><li><strong>Identification:<\/strong> ghi tube color, fibre color, port, equipment end v\u00e0 OTDR trace ID.<\/li><li><strong>Environmental seal:<\/strong> gland\/closure t\u01b0\u01a1ng th\u00edch PCP, \u1ea9m, d\u1ea7u v\u00e0 nhi\u1ec7t \u0111\u1ed9; ki\u1ec3m so\u00e1t compound migration.<\/li><li><strong>Spare fibres:<\/strong> test, terminate ho\u1eb7c park theo approved method; kh\u00f4ng \u0111\u1ec3 free fibre trong gland zone.<\/li><\/ol><\/section>\n\n<section id=\"test\"><h2>\u0110\u01b0\u1eddng th\u1eed nghi\u1ec7m IEC ph\u00f9 h\u1ee3p v\u1edbi optical moving cable<\/h2><div class=\"scroll\"><table><thead><tr><th>Evidence<\/th><th>Standard route<\/th><th>T\u1ea1i sao li\u00ean quan<\/th><th>Kh\u00f4ng \u0111\u01b0\u1ee3c suy ra<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Generic cable specification<\/td><td>IEC 60794\u20111\u20111:2023; guidance IEC 60794\u20111\u20112:2021.<\/td><td>Khung thu\u1ed9c t\u00ednh transmission, mechanical, environmental v\u00e0 cable elements.<\/td><td>Catalogue kh\u00f4ng tuy\u00ean b\u1ed1 automatic compliance v\u1edbi to\u00e0n b\u1ed9 series.<\/td><\/tr><tr><td class=\"key\">Tensile<\/td><td>IEC 60794\u20111\u2011101:2024, Method E1.<\/td><td>\u0110\u00e1nh gi\u00e1 optical\/mechanical response d\u01b0\u1edbi l\u1ef1c k\u00e9o.<\/td><td>1.200 N ch\u01b0a cho test length, duration ho\u1eb7c \u0394attenuation limit.<\/td><\/tr><tr><td class=\"key\">Attenuation monitoring<\/td><td>IEC 60793\u20111\u201146:2024.<\/td><td>Monitoring b\u1eb1ng transmitted power ho\u1eb7c backscatter trong mechanical\/environmental test.<\/td><td>Kh\u00f4ng thay link acceptance limits do project quy \u0111\u1ecbnh.<\/td><\/tr><tr><td class=\"key\">Tube kinking<\/td><td>IEC 60794\u20111\u2011307:2025, Method G7.<\/td><td>Loose tubes c\u00f3 th\u1ec3 kink t\u1ea1i routing\/termination.<\/td><td>Kh\u00f4ng gi\u1ea3 \u0111\u1ecbnh PBTF tube pass n\u1ebfu ch\u01b0a c\u00f3 report.<\/td><\/tr><tr><td class=\"key\">Compound flow<\/td><td>IEC 60794\u20111\u2011216:2025, Method F16.<\/td><td>Ki\u1ec3m tra filling\/flooding compound ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 quy \u0111\u1ecbnh.<\/td><td>Catalogue ch\u1ec9 n\u00f3i filling compound, kh\u00f4ng cho drip result.<\/td><\/tr><\/tbody><\/table><\/div><\/section>\n\n<section id=\"fat\"><h2>FAT\/SAT v\u00e0 acceptance plan<\/h2><div class=\"scroll\"><table><thead><tr><th>Gate<\/th><th>Ki\u1ec3m tra<\/th><th>Acceptance basis<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Document<\/td><td>Fibre type\/category, count, 6-tube map, PBTF code, OD\/mass, 200 mm, 1.200 N, motion duty.<\/td><td>Approved datasheet\/drawing; catalogue revision frozen.<\/td><\/tr><tr><td class=\"key\">Incoming fibre<\/td><td>Attenuation, bandwidth ho\u1eb7c dispersion\/MFD, coating diameter, proof-test evidence.<\/td><td>Exact fibre specification v\u00e0 lot CoC.<\/td><\/tr><tr><td class=\"key\">Cable dimensions<\/td><td>OD min\/max, tube layout, sheath, mass, marking v\u00e0 color map.<\/td><td>9-row matrix + approved drawing.<\/td><\/tr><tr><td class=\"key\">Optical baseline<\/td><td>Insertion loss \u1edf operating wavelengths; OTDR two-direction traces.<\/td><td>Project link budget, connector\/splice limits v\u00e0 fibre maxima.<\/td><\/tr><tr><td class=\"key\">Mechanical type test<\/td><td>Tension, bend\/repeated flex\/torsion theo agreed protocol; live \u0394attenuation.<\/td><td>Radius, load, cycles, speed, temperature v\u00e0 \u0394\u03b1 criteria \u0111\u00e3 duy\u1ec7t.<\/td><\/tr><tr><td class=\"key\">Environmental<\/td><td>Temperature cycle, compound flow, oil\/UV\/moisture, sheath integrity.<\/td><td>Exact standards, fluids v\u00e0 limits; kh\u00f4ng ch\u1ec9 \u201cVDE\/IEC\u201d.<\/td><\/tr><tr><td class=\"key\">SAT full travel<\/td><td>Live received power\/error counters, loop\/reel observation, then OTDR\/insertion loss.<\/td><td>Kh\u00f4ng intermittent event, permanent \u0394loss, kink, twist ho\u1eb7c sheath damage.<\/td><\/tr><\/tbody><\/table><\/div><\/section>\n\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1840 900\" role=\"img\" aria-label=\"Quy tr\u00ecnh nghi\u1ec7m thu c\u00e1p quang di \u0111\u1ed9ng\"><rect width=\"1840\" height=\"900\" fill=\"#06131b\"\/><g font-family=\"Arial,Helvetica\"><text x=\"55\" y=\"65\" fill=\"#55dff7\" font-size=\"36\" font-weight=\"700\">Optical mobile-cable release gate<\/text><g text-anchor=\"middle\"><rect x=\"55\" y=\"190\" width=\"310\" height=\"250\" rx=\"18\" fill=\"#0d2029\" stroke=\"#55dff7\" stroke-width=\"5\"\/><text x=\"210\" y=\"255\" fill=\"#55dff7\" font-size=\"25\" font-weight=\"700\">1 \u00b7 Freeze<\/text><text x=\"210\" y=\"318\" fill=\"#e8f3f5\" font-size=\"20\">fibre \u00b7 tubes \u00b7 duty<\/text><rect x=\"425\" y=\"190\" width=\"310\" height=\"250\" rx=\"18\" fill=\"#0d2029\" stroke=\"#f0c865\" stroke-width=\"5\"\/><text x=\"580\" y=\"255\" fill=\"#f0c865\" font-size=\"25\" font-weight=\"700\">2 \u00b7 Baseline<\/text><text x=\"580\" y=\"318\" fill=\"#e8f3f5\" font-size=\"20\">IL \u00b7 OTDR A\u2194B<\/text><rect x=\"795\" y=\"190\" width=\"310\" height=\"250\" rx=\"18\" fill=\"#0d2029\" stroke=\"#70d29a\" stroke-width=\"5\"\/><text x=\"950\" y=\"255\" fill=\"#70d29a\" font-size=\"25\" font-weight=\"700\">3 \u00b7 Mechanical<\/text><text x=\"950\" y=\"318\" fill=\"#e8f3f5\" font-size=\"20\">bend \u00b7 tension \u00b7 torsion<\/text><rect x=\"1165\" y=\"190\" width=\"310\" height=\"250\" rx=\"18\" fill=\"#0d2029\" stroke=\"#b8a5ff\" stroke-width=\"5\"\/><text x=\"1320\" y=\"255\" fill=\"#b8a5ff\" font-size=\"25\" font-weight=\"700\">4 \u00b7 Live monitor<\/text><text x=\"1320\" y=\"318\" fill=\"#e8f3f5\" font-size=\"20\">\u0394\u03b1 \u00b7 error counters<\/text><rect x=\"1535\" y=\"190\" width=\"250\" height=\"250\" rx=\"18\" fill=\"#0d2029\" stroke=\"#70d29a\" stroke-width=\"5\"\/><text x=\"1660\" y=\"255\" fill=\"#70d29a\" font-size=\"25\" font-weight=\"700\">5 \u00b7 SAT<\/text><text x=\"1660\" y=\"318\" fill=\"#e8f3f5\" font-size=\"20\">full travel<\/text><\/g><rect x=\"70\" y=\"565\" width=\"1700\" height=\"190\" rx=\"18\" fill=\"#0d2029\" stroke=\"#ff9297\" stroke-width=\"4\"\/><text x=\"120\" y=\"625\" fill=\"#ff9297\" font-size=\"27\" font-weight=\"700\">HOLD:<\/text><text x=\"120\" y=\"675\" fill=\"#e8f3f5\" font-size=\"21\">OM\/OS category ch\u01b0a x\u00e1c nh\u1eadn \u00b7 tube\/fibre map sai \u00b7 permanent \u0394loss \u00b7 random-wound reel \u00b7 R&lt;200 mm \u00b7 aramid kh\u00f4ng \u0111\u01b0\u1ee3c strain-relieved \u00b7 tube kink\/gel leak.<\/text><\/g><\/svg><div class=\"svg-caption\">H\u00ecnh 5 \u2014 Nghi\u1ec7m thu k\u1ebft h\u1ee3p measurement v\u00e0 motion evidence, kh\u00f4ng ch\u1ec9 ki\u1ec3m continuity quang.<\/div><\/div>\n\n<section id=\"feichun\"><h2>Feichun Cable: h\u01b0\u1edbng ph\u00e1t tri\u1ec3n optical festoon cable<\/h2><div class=\"grid\"><div class=\"box\"><h3>Controlled excess length<\/h3><p>Thi\u1ebft k\u1ebf fibre excess-length window theo temperature, tension, bend radius v\u00e0 lay \u0111\u1ec3 gi\u1ea3m strain\/microbend.<\/p><\/div><div class=\"box\"><h3>Six-tube symmetry<\/h3><p>Ki\u1ec3m so\u00e1t tube OD\/roundness, lay direction, central support v\u00e0 filler geometry cho 6\/12\/18 fibres.<\/p><\/div><div class=\"box\"><h3>Aramid load path<\/h3><p>Hai l\u1edbp yarn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ed3ng b\u1ed9 v\u1edbi gland\/grip \u0111\u1ec3 t\u1ea3i kh\u00f4ng truy\u1ec1n v\u00e0o tube\/fibre.<\/p><\/div><div class=\"box\"><h3>PCP dynamic sheath<\/h3><p>Compound \u0111\u01b0\u1ee3c ch\u1ecdn theo abrasion, tear, oil-fluid list, UV, moisture v\u00e0 cold-flex duty.<\/p><\/div><div class=\"box\"><h3>Optical dynamic monitoring<\/h3><p>Type test theo live attenuation\/error log; so s\u00e1nh OTDR v\u00e0 insertion loss tr\u01b0\u1edbc\/sau cycles.<\/p><\/div><div class=\"box\"><h3>Application-specific release<\/h3><p>Ch\u1ec9 kh\u00f3a OD, mass, speed v\u00e0 test limits sau khi c\u00f3 festoon\/reel geometry, travel, acceleration, tension, fibre category v\u00e0 link budget.<\/p><\/div><\/div><\/section>\n\n<section id=\"faq\"><h2>FAQ k\u1ef9 thu\u1eadt<\/h2><div class=\"grid\"><div class=\"box\"><h3>FESTOONFIBERFLEX c\u00f3 ho\u00e0n to\u00e0n mi\u1ec5n nhi\u1ec5m EMI?<\/h3><p>Glass path kh\u00f4ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb nh\u01b0 copper. Tuy nhi\u00ean transceiver, power, connector enclosure v\u00e0 grounding c\u1ee7a h\u1ec7 v\u1eabn c\u00f3 th\u1ec3 b\u1ecb nhi\u1ec5u\/surge.<\/p><\/div><div class=\"box\"><h3>6G62,5\/125 c\u00f3 ph\u1ea3i OM1?<\/h3><p>Kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ebft lu\u1eadn ch\u1ec9 t\u1eeb geometry. C\u1ea7n exact IEC\/category statement, bandwidth method v\u00e0 certificate.<\/p><\/div><div class=\"box\"><h3>E9\/125 c\u00f3 ph\u1ea3i G.652.D\/OS2?<\/h3><p>Kh\u00f4ng \u0111\u1ee7 d\u1eef li\u1ec7u. Catalogue kh\u00f4ng n\u00eau category, cutoff wavelength, PMD ho\u1eb7c bend class.<\/p><\/div><div class=\"box\"><h3>C\u00f3 th\u1ec3 d\u00f9ng random-wound reel n\u1ebfu ch\u1ea1y ch\u1eadm?<\/h3><p>Kh\u00f4ng theo catalogue. V\u1ea5n \u0111\u1ec1 l\u00e0 crossover\/contact topology, kh\u00f4ng ch\u1ec9 speed.<\/p><\/div><div class=\"box\"><h3>200 mm l\u00e0 diameter hay radius?<\/h3><p>Catalogue ghi minimum bending radii 200 mm, t\u1ee9c b\u00e1n k\u00ednh. Drum\/sheave diameter t\u01b0\u01a1ng \u1ee9ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo cable path th\u1ef1c t\u1ebf.<\/p><\/div><div class=\"box\"><h3>1.200 N c\u00f3 k\u00e9o tr\u1ef1c ti\u1ebfp v\u00e0o fibres kh\u00f4ng?<\/h3><p>Kh\u00f4ng. Load ph\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o sheath\/aramid\/support system; fibres c\u1ea7n strain-decoupled v\u00e0 service slack.<\/p><\/div><div class=\"box\"><h3>OTDR pass c\u00f3 \u0111\u1ee7 nghi\u1ec7m thu?<\/h3><p>Kh\u00f4ng. C\u1ea7n insertion loss, OTDR hai chi\u1ec1u, live dynamic monitoring v\u00e0 physical inspection.<\/p><\/div><div class=\"box\"><h3>PBTF c\u00f3 ph\u1ea3i l\u1ed7i ch\u00ednh t\u1ea3 c\u1ee7a PBT?<\/h3><p>Ngu\u1ed3n ch\u00ednh th\u1ee9c d\u00f9ng PBTF \u1edf c\u1ea3 PDF v\u00e0 webpage. Ch\u1ec9 approved material specification m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p x\u00e1c nh\u1eadn ho\u1eb7c s\u1eeda t\u00ean.<\/p><\/div><\/div><\/section>\n\n<section id=\"chung-nhan\"><h2>Ch\u1ee9ng nh\u1eadn v\u00e0 ph\u1ea1m vi \u00e1p d\u1ee5ng<\/h2><p>Engineered for maximum safety in demanding environments, our cable systems comply with global standards including ATEX, IECEx, VDE, CE, UKCA, EAC, and the Russian Fire Safety Certificate. They are the trusted choice for heavy-duty mining equipment, ship-to-shore cranes, RTG\/RMG cranes, and conveyor systems where high reliability is non-negotiable.<\/p><p class=\"warn\"><strong>Scope disclaimer:<\/strong> danh m\u1ee5c tr\u00ean m\u00f4 t\u1ea3 n\u0103ng l\u1ef1c h\u1ec7 s\u1ea3n ph\u1ea9m Feichun, kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u00e1p d\u1ee5ng cho m\u1ecdi optical festoon cable. Exact fibre, cable construction, fire class, market, hazardous-area system, certificate holder v\u00e0 standard edition ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed1i chi\u1ebfu tr\u01b0\u1edbc khi ghi compliance.<\/p><\/section>\n\n<section id=\"tham-khao\"><h2>Ngu\u1ed3n k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c<\/h2><ul class=\"source-list\"><li><a href=\"https:\/\/fi.prysmian.com\/sites\/fi.prysmian.com\/files\/2023-10\/Prysmian%20Group%20Crane%20cables%20Panzerflex%20%28EN%29.pdf\" target=\"_blank\" rel=\"nofollow noopener\">Prysmian Group \u2014 PANZERFLEX Cables Catalogue<\/a>: FESTOONFIBERFLEX construction, optical matrix v\u00e0 9 c\u1ea5u h\u00ecnh t\u1ea1i PDF pp. 26\u201327.<\/li><li><a href=\"https:\/\/www.utvcavi.com\/en\/prodotto\/festoonfiberflex\/\" target=\"_blank\" rel=\"nofollow noopener\">UTV Cavi \u2014 current FESTOONFIBERFLEX page<\/a>: current public construction v\u00e0 marking.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/68873\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60794\u20111\u20111:2023<\/a> v\u00e0 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/64652\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60794\u20111\u20112:2021<\/a>: generic cable requirements v\u00e0 test-method guidance.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/82653\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60794\u20111\u2011101:2024<\/a>: tensile Method E1.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/82394\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60793\u20111\u201146:2024<\/a>: monitoring changes in attenuation during mechanical\/environmental tests.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/68924\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60794\u20111\u2011307:2025<\/a>: loose-tube kinking Method G7.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/86533\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60794\u20111\u2011216:2025<\/a>: compound flow Method F16.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/77555\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60793\u20112\u201150:2025<\/a>: class B single-mode fibre categories.<\/li><\/ul><p class=\"small\">Ngu\u1ed3n ki\u1ec3m tra ng\u00e0y 11-08-2026. Product values \u0111\u01b0\u1ee3c freeze theo catalogue edition; IEC references l\u00e0 framework th\u1eed nghi\u1ec7m, kh\u00f4ng ph\u1ea3i tuy\u00ean b\u1ed1 r\u1eb1ng s\u1ea3n ph\u1ea9m catalogue \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo t\u1ea5t c\u1ea3 c\u00e1c edition n\u00e0y.<\/p><\/section>\n<\/main>\n<footer><div class=\"wrap\"><div class=\"footer-grid\"><div><h2>Feichun Cable \u00b7 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/h2><p>\u0110\u00e1nh gi\u00e1 fibre category, link budget, loose-tube design, festoon\/reel geometry v\u00e0 dynamic optical testing:<\/p><div class=\"contact\"><div><strong>Email<\/strong><br><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div><div><strong>\u0110i\u1ec7n tho\u1ea1i<\/strong><br>+86 13855123218<\/div><\/div><\/div><div><h3>D\u1eef li\u1ec7u c\u1ea7n cung c\u1ea5p<\/h3><p>Fibre category \u00b7 wavelength\/protocol \u00b7 link length\/budget \u00b7 splices\/connectors \u00b7 festoon\/reel type \u00b7 speed\/acceleration \u00b7 radius \u00b7 tension \u00b7 cycles \u00b7 ambient \u00b7 fluids \u00b7 certificate scope.<\/p><\/div><\/div><p class=\"small\">\u00a9 Feichun Cable \u00b7 Final release theo approved fibre specification, cable drawing, link budget, dynamic test, ITP v\u00e0 certificate \u0111\u00fang ph\u1ea1m vi.<\/p><\/div><\/footer>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"S\u00e1u \u1ed1ng l\u1ecfng quanh ph\u1ea7n t\u1eed \u0111\u1ee1 trung t\u00e2m \u00b7 6\/12\/18 s\u1ee3i \u00b7 50\/125, 62,5\/125 ho\u1eb7c E9\/125 \u00b7 hai l\u1edbp s\u1ee3i aramid ch\u1ed1ng xo\u1eafn \u00b7 PCP \u0111en \u00b7 1.200 N \u00b7 Rmin 200 mm \u00b7 festoon\/cable tender \u0111\u1ebfn 240 m\/min.","protected":false},"author":1,"featured_media":26298,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[66,94,56],"tags":[16,111,17],"class_list":["post-26297","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-din-vde-0250-mining-cable","category-reeling-cable","tag-din-vde-0250","tag-mining-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/26297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=26297"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/26297\/revisions"}],"predecessor-version":[{"id":26300,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/26297\/revisions\/26300"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/26298"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=26297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=26297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=26297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}