{"id":8234620,"date":"2026-10-24T17:27:02","date_gmt":"2026-10-24T17:27:02","guid":{"rendered":"https:\/\/scn.eu\/?post_type=scn_guide&#038;p=8234620"},"modified":"2026-10-24T17:32:39","modified_gmt":"2026-10-24T17:32:39","slug":"meediamuundur","status":"publish","type":"scn_guide","link":"https:\/\/scn.eu\/et\/juhendid\/meediamuundur\/","title":{"rendered":"Optilise kiu meediamuundur \u2013 kuidas valida \u00f5iget"},"content":{"rendered":"<div class=\"scn-guide\">\n<h1>Optilise kiu meediamuundur \u2013 kuidas valida \u00f5iget<\/h1>\n<p class=\"g-lead\">Meediamuundur \u00fchendab vaskkaabli optilise kiuga, nii et Ethernet ulatub kaugemale kui 100 meetrit ja peab vastu elektrilistele h\u00e4iretele. Selles juhendis k\u00e4sitleme \u00fche- ja mitmemoodilist kiudu, SFP-moodulit, ulatust ning seda, mis eristab t\u00f6\u00f6stuslikku muundurit kontorimudelist.<\/p>\n<div class=\"g-short\"><b class=\"t\">L\u00fchike vastus<\/b><\/p>\n<ul>\n<li><b>Miks optiline kiud<\/b> \u2013 vaskkaabel ulatub 100 meetrini. Optiline kiud ulatub kilomeetritesse, elektrilised h\u00e4ired seda ei m\u00f5juta ja see katkestab galvaanilise \u00fchenduse.<\/li>\n<li><b>Mitmemoodiline<\/b> \u2013 l\u00fchemate liinide jaoks \u00fche objekti piires: 100 Mbit\/s juures kuni umbes 2 km, gigabiti juures paarsada meetrit.<\/li>\n<li><b>\u00dchemoodiline<\/b> \u2013 pikkade vahemaade jaoks, olenevalt optikast alates 10 km ja enam.<\/li>\n<li><b>SFP-pesa<\/b> \u2013 kiu t\u00fc\u00fcbi ja ulatuse valid vahetatava mooduliga.<\/li>\n<li>M\u00f5lemad otsad peavad sobima kokku: kiu t\u00fc\u00fcp, lainepikkus, kiirus ja pistik.<\/li>\n<\/ul>\n<\/div>\n<h2>Mida meediamuundur teeb?<\/h2>\n<p>Meediamuundur v\u00f5tab Etherneti liikluse vastu vaskpordis (RJ45 v\u00f5i M12) ja saadab sama liikluse edasi valgusena optilises kius. Teises otsas on teine muundur v\u00f5i optilise pordiga kommutaator, mis muudab valguse tagasi elektrilisteks signaalideks. Protokoll ei ole oluline: PROFINET, EtherNet\/IP, Modbus TCP, video ja tavaline IT-liiklus l\u00e4bivad muunduri muutumatult.<\/p>\n<figure><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2026\/10\/scn-guide-mediaomvandlare-f1-et.webp\" alt=\"Meediamuundurite paar pikendab Etherneti \u00fchendust: vaskkaabel kuni 100 meetrit, optiline kiud hoonete A ja B vahel ning seej\u00e4rel vaskkaabel kaamera, I\/O v\u00f5i PLC-ni\" width=\"1520\" height=\"490\" loading=\"lazy\" decoding=\"async\"><figcaption>Kaks meediamuundurit pikendavad Etherneti vaskkaabli 100-meetrisest piirist kaugemale.<\/figcaption><\/figure>\n<p>Vajadus tekib tavaliselt seet\u00f5ttu, et keerdpaariga vaskkaabli Ethernet on piiratud 100 meetriga \u2013 sellest j\u00e4\u00e4b harva v\u00e4heks kahe hoone vahel, pika konveieri \u00e4\u00e4res v\u00f5i v\u00e4ravas asuva kaamerani.<\/p>\n<h2>Millal on vaja vaskkaabli asemel optilist kiudu?<\/h2>\n<ul>\n<li><b>Pikad vahemaad<\/b> \u2013 \u00fcle 100-meetrised \u00fchendused, hoonete vahel, tunnelites ja tuuleparkides.<\/li>\n<li><b>Elektrilised h\u00e4ired (EMC)<\/b> \u2013 sagedusmuundurite, keevitusseadmete, induktsioonahjude ja j\u00f5ukaablite l\u00e4heduses. Elektromagnetv\u00e4ljad ei m\u00f5juta kius liikuvat valgust.<\/li>\n<li><b>Potentsiaalierinevused ja v\u00e4lk<\/b> \u2013 kui hooned on erineva maapotentsiaaliga, v\u00f5ib kaabli varjestuse kaudu hakata voolama vool. Optiline kiud ei juhi voolu ja katkestab \u00fchenduse.<\/li>\n<\/ul>\n<h3>N\u00e4iteid eri t\u00f6\u00f6stusharudest<\/h3>\n<ul>\n<li><b>Tehased ja protsessit\u00f6\u00f6stus<\/b> \u2013 \u00fchendused eri tootmishoonetes asuvate juhtkilpide vahel v\u00f5i sagedusmuundurite ja keevitusrobotite k\u00f5rval.<\/li>\n<li><b>Energeetika<\/b> \u2013 alajaamad ja jaotusseadmed, kus IEC 61850-3 j\u00e4rgi valmistatud muundurid taluvad elektrilist keskkonda. Samuti pikkade vahemaadega p\u00e4ikese- ja tuulepargid.<\/li>\n<li><b>Taristu<\/b> \u2013 liiklusj\u00e4relevalve, tunnelid ja pumplad. PoE-ga muundurid toidavad kaameraid ja p\u00e4\u00e4supunkte optilise liini kaugemas otsas.<\/li>\n<li><b>Raudtee<\/b> \u2013 r\u00f6\u00f6baste \u00e4\u00e4res ja depoodes, kus optiline kiud tuleb toime pikkade liinide ja kontaktv\u00f5rgust tulevate h\u00e4iretega.<\/li>\n<li><b>S\u00f5idukid ja kaitset\u00f6\u00f6stus<\/b> \u2013 tihendatud IP67 muundurid militaarpistikutega laevadele, \u00f5hus\u00f5idukitele ja maismaas\u00f5idukitele.<\/li>\n<li><b>Haiglad ja meditsiinitehnika<\/b> \u2013 optiline kiud hoonete vahel ja aladel, kus on h\u00e4iretundlikke meditsiiniseadmeid.<\/li>\n<\/ul>\n<h2>\u00dchemoodiline v\u00f5i mitmemoodiline?<\/h2>\n<p>Optilist kiudu on kaht p\u00f5hit\u00fc\u00fcpi. Mitmemoodilises kius on s\u00fcdamik lai ja valgus liigub mitut teed pidi, mis piirab vahemaad. \u00dchemoodilises kius on s\u00fcdamik nii kitsas, et valgus liigub ainult \u00fcht teed pidi, mis annab v\u00e4ga suure ulatuse.<\/p>\n<figure><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2026\/10\/scn-guide-mediaomvandlare-f2-et.webp\" alt=\"Mitme- ja \u00fchemoodilise kiu v\u00f5rdlus: mitmemoodilises kius liigub valgus laias s\u00fcdamikus mitut teed pidi, \u00fchemoodilises kitsas s\u00fcdamikus \u00fcht teed pidi\" width=\"1520\" height=\"480\" loading=\"lazy\" decoding=\"async\"><figcaption>Mitmemoodilisel kiul on lai s\u00fcdamik ja mitu valguse teed. \u00dchemoodilisel kiul on kitsas s\u00fcdamik ja palju suurem ulatus.<\/figcaption><\/figure>\n<div class=\"g-tbl\">\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Mitmemoodiline<\/th>\n<th>\u00dchemoodiline<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"n\">S\u00fcdamik<\/td>\n<td>50 v\u00f5i 62,5 \u00b5m<\/td>\n<td>Umbes 9 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Lainepikkus<\/td>\n<td>850 ja 1300 nm<\/td>\n<td>1310 ja 1550 nm<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">100 Mbit\/s<\/td>\n<td>Kuni umbes 2 km<\/td>\n<td>K\u00fcmned kilomeetrid<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Gigabit<\/td>\n<td>Umbes 220\u2013550 m olenevalt kiust<\/td>\n<td>10 km ja enam olenevalt moodulist<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">\u00dcmbrise v\u00e4rv<\/td>\n<td>Sageli oran\u017e v\u00f5i t\u00fcrkiissinine (aqua)<\/td>\n<td>Sageli kollane<\/td>\n<\/tr>\n<tr>\n<td class=\"n\">Sobib<\/td>\n<td>Hoonete ja objektide sisse<\/td>\n<td>Hoonete vahele ja pikkadele vahemaadele<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>L\u00e4htu objektil juba paigaldatud kiust. Kui see on mitmemoodiline, kontrolli kategooriat (OM1\u2013OM4), sest see m\u00f5jutab ulatust. Kui paigaldatakse uus kiud, on \u00fchemoodiline sageli k\u00f5ige tulevikukindlam valik.<\/p>\n<h2>SFP, pistikud ja lainepikkused<\/h2>\n<p>Paljudel muunduritel on fikseeritud optilise pordi asemel SFP-pesa. SFP (small form-factor pluggable) on v\u00e4ike vahetatav moodul, mis m\u00e4\u00e4rab kiu t\u00fc\u00fcbi, lainepikkuse ja ulatuse. Nii saad minna mitmemoodiliselt kiult \u00fcle \u00fchemoodilisele ilma muundurit vahetamata. SFP-moodulite levinuim pistik on LC, fikseeritud optilistel portidel kasutatakse sageli SC- v\u00f5i ST-pistikut.<\/p>\n<p>On olemas ka \u00fche kiuga moodulid (WDM v\u00f5i BiDi), mis saadavad \u00fchel lainepikkusel ja v\u00f5tavad vastu teisel, n\u00e4iteks 1310 ja 1550 nm. Neid kasutatakse paarikaupa vastupidiste lainepikkustega ja need s\u00e4\u00e4stavad \u00fche kiu.<\/p>\n<h2>Hallatav v\u00f5i haldamatu \u2013 ja t\u00f6\u00f6stuse n\u00f5uded<\/h2>\n<p>Enamik meediamuundureid on haldamatud ja t\u00f6\u00f6tavad kohe ilma seadistamiseta. Hallatavat muundurit saab j\u00e4lgida eemalt, n\u00e4iteks SNMP v\u00f5i IEEE 802.3ah OAM kaudu, ning see annab teada \u00fchenduse olekust ja riketest. See tasub \u00e4ra, kui \u00fchendusi on palju v\u00f5i objektid asuvad kaugel.<\/p>\n<p>Hea vahevariant on Link Fault Pass-Through (LFP). Kui optiline \u00fchendus katkeb, sulgeb muundur ka vaskpordi, nii et kommutaator n\u00e4eb riket ja saab anda alarmi v\u00f5i l\u00fclituda varuteele.<\/p>\n<h3>Millega t\u00f6\u00f6stuslik muundur peab hakkama saama<\/h3>\n<ul>\n<li><b>Temperatuur<\/b> \u2013 kontorimudelid on ehitatud toatemperatuurile. T\u00f6\u00f6stuslikke versioone on saadaval temperatuurivahemikule \u221240 kuni 75 \u00b0C.<\/li>\n<li><b>Paigaldus ja toide<\/b> \u2013 DIN-liist, metallkorpus ja kaks toitesisendit, sageli 12\u201348 V DC.<\/li>\n<li><b>Alarmid<\/b> \u2013 releev\u00e4ljund, mis annab m\u00e4rku toite kadumisest v\u00f5i \u00fchenduse rikkest.<\/li>\n<li><b>Sertifikaadid<\/b> \u2013 n\u00e4iteks IEC 61850-3 alajaamadele, EN 50155 raudteeveeremile ning Class I Division 2 v\u00f5i ATEX Zone 2 plahvatusohtlikele aladele.<\/li>\n<\/ul>\n<div class=\"g-tbl\">\n<table>\n<thead>\n<tr>\n<th>Kui sul on vaja \u2026<\/th>\n<th>\u2026 vali<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Pikendada \u00fchendust objekti piires<\/td>\n<td>Mitmemoodiline v\u00f5i paindlikkuse huvides SFP-pesa<\/td>\n<\/tr>\n<tr>\n<td>\u00dchendada mitme kilomeetri kaugusel asuvaid hooneid v\u00f5i objekte<\/td>\n<td>\u00dchemoodiline<\/td>\n<\/tr>\n<tr>\n<td>Toita kaugel asuvat kaamerat v\u00f5i p\u00e4\u00e4supunkti<\/td>\n<td>PoE-ga muundur<\/td>\n<\/tr>\n<tr>\n<td>J\u00e4lgida paljusid \u00fchendusi keskselt<\/td>\n<td>Hallatav muundur, eelistatult r\u00e4kis<\/td>\n<\/tr>\n<tr>\n<td>Paigaldada v\u00e4listingimustesse, s\u00f5idukitesse v\u00f5i laevadele<\/td>\n<td>Laia temperatuurivahemikuga tihendatud IP67 muundur<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Viis levinud viga<\/h2>\n<ol class=\"g-pit\">\n<li><b>Otsad ei sobi kokku.<\/b> \u00dches otsas mitmemoodiline ja teises \u00fchemoodiline kiud, erinevad lainepikkused v\u00f5i 100 Mbit\/s gigabiti vastu \u2013 \u00fchendust ei teki. Kontrolli enne tellimist m\u00f5lemat poolt.<\/li>\n<li><b>SFP-moodul ei talu keskkonda.<\/b> \u221240 \u00b0C jaoks ette n\u00e4htud muundurist pole kasu, kui SFP-moodul on tehtud ainult toatemperatuuri jaoks. Vali t\u00f6\u00f6stusliku temperatuurivahemikuga moodulid.<\/li>\n<li><b>LFP puudub.<\/b> Ilma Link Fault Pass-Throughita ei m\u00e4rka kommutaator, et optiline kiud on katkenud, ja liiasus ei l\u00fclitu \u00fcmber.<\/li>\n<li><b>Mustad pistikud.<\/b> Tolm ja rasv otspindadel on sumbuvuse ja vahelduvate rikete sage p\u00f5hjus. Puhasta ja kontrolli pistikuid paigaldamise ajal.<\/li>\n<li><b>Liiga j\u00e4rsud painded.<\/b> Liiga j\u00e4rsult painutatud kiud kaotab valgust. J\u00e4rgi kaablirennides ja kilpides kaablitootja minimaalset painderaadiust.<\/li>\n<\/ol>\n<h2>Meediamuundurid SCN-ilt<\/h2>\n<p>Pakume Moxa, ORingi ja Enerconi meediamuundureid: kompaktsetest DIN-liistu muunduritest ja r\u00e4ki sisestatavatest moodulitest kuni militaarplatvormidele m\u00f5eldud IP67 klassiga mudeliteni. Mitu neist on saadaval PoE, SFP-pesa ja kuni \u221240 \u00b0C ulatuva temperatuurivahemikuga.<\/p>\n<h3>N\u00e4iteid meie valikust<\/h3>\n<div class=\"g-prod\"><a class=\"g-pc\" href=\"https:\/\/scn.eu\/et\/toode\/imc-101g-et\/\"><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2025\/01\/IMC-101G.jpg\" alt=\"Moxa IMC-101G t\u00f6\u00f6stuslik Gigabit Ethernet\u2013kiudoptika muundur\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\"><span class=\"g-pb\">Moxa<\/span><span class=\"g-pn\">IMC-101G t\u00f6\u00f6stuslik Gigabit Ethernet\u2013kiudoptika muundur<\/span><span class=\"g-pw\">Gigabit-muundur SFP-pesa, LFP, alarmi releev\u00e4ljundi ja dubleeritud toitesisenditega. -T mudelid taluvad \u221240 kuni 75 \u00b0C.<\/span><\/a><a class=\"g-pc\" href=\"https:\/\/scn.eu\/et\/toode\/ipmc111pb-et\/\"><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2025\/01\/IPMC-111PB.jpg\" alt=\"ORing IPMC-111PB\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\"><span class=\"g-pb\">ORing<\/span><span class=\"g-pn\">IPMC-111PB<\/span><span class=\"g-pw\">Fast Ethernet optilisele kiule SFP-pesa ja kuni 30 W IEEE 802.3at PoE-ga, \u221240 kuni 70 \u00b0C.<\/span><\/a><a class=\"g-pc\" href=\"https:\/\/scn.eu\/et\/toode\/enercon-miltech-1000-et\/\"><img loading=\"lazy\" src=\"https:\/\/scn.eu\/wp-content\/uploads\/2026\/10\/enercon-miltech-1000-series-main.webp\" alt=\"Enercon MILTECH 1000 militaarne gigabitine meediamuundur\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\"><span class=\"g-pb\">Enercon<\/span><span class=\"g-pn\">MILTECH 1000 militaarne gigabitine meediamuundur<\/span><span class=\"g-pw\">Vastupidav IP67 gigabit-muundur kuni 120 km pikkuste optiliste \u00fchendustega ja k\u00fclmk\u00e4ivitusega alates \u221245 \u00b0C.<\/span><\/a><\/div>\n<div class=\"g-links\"><a href=\"https:\/\/scn.eu\/et\/tootekategooria\/tooteid\/network-products-et\/ethernet-media-converters-et\/\">Etherneti meediamuundurid<\/a><a href=\"https:\/\/scn.eu\/et\/tootekategooria\/tooteid\/network-products-et\/ethernet-et\/\">Etherneti kommutaatorid<\/a><a href=\"https:\/\/scn.eu\/et\/tootekategooria\/tooteid\/network-products-et\/ethernet-et\/managed-switches-et\/\">Hallatavad kommutaatorid<\/a><a href=\"https:\/\/scn.eu\/et\/tootekategooria\/tooteid\/network-products-et\/ethernet-et\/unmanaged-switches-et\/\">Haldamatud kommutaatorid<\/a><a href=\"https:\/\/scn.eu\/et\/tootekategooria\/tooteid\/network-products-et\/\">V\u00f5rgutooted<\/a><\/div>\n<div class=\"g-cta\">\n<p>Kas sa ei ole kindel kiu t\u00fc\u00fcbis, ulatuses v\u00f5i SFP-s? R\u00e4\u00e4gi meie inseneridele liinist ja keskkonnast \u2013 vastuse saad 24 tunni jooksul.<\/p>\n<p><a href=\"https:\/\/scn.eu\/et\/kontakt\/\">K\u00fcsi inseneri k\u00e4est<\/a><\/div>\n<h2>Korduma kippuvad k\u00fcsimused<\/h2>\n<details>\n<summary>Kui kaugele meediamuundur ulatub?<\/summary>\n<p>See s\u00f5ltub kiust ja optikast. Mitmemoodiline kiud ulatub gigabiti juures paarisaja meetrini ja 100 Mbit\/s juures kuni umbes 2 km-ni. \u00dchemoodiline ulatub tavaliselt 10 km-ni v\u00f5i kaugemale, m\u00f5ned mudelid \u00fcle 100 km.<\/p>\n<\/details>\n<details>\n<summary>Kas \u00fche- ja mitmemoodilist kiudu saab kombineerida?<\/summary>\n<p>Ei, \u00fchenduse m\u00f5lemas otsas peavad olema sama t\u00fc\u00fcpi kiud ja sama lainepikkus. Kahe erineva kiuv\u00f5rgu \u00fchendamiseks on vaja seadet, millel on m\u00f5lemat t\u00fc\u00fcpi port, n\u00e4iteks kahe SFP-pesaga kommutaatorit.<\/p>\n<\/details>\n<details>\n<summary>Kas alati on vaja kaht meediamuundurit?<\/summary>\n<p>Ei. Teises otsas v\u00f5ib olla kommutaator v\u00f5i muu seade, millel on optiline port v\u00f5i SFP-pesa. Oluline on, et kiu t\u00fc\u00fcp, lainepikkus ja kiirus sobiksid kokku.<\/p>\n<\/details>\n<details>\n<summary>Mis vahe on meediamuunduril ja optilise pordiga kommutaatoril?<\/summary>\n<p>Meediamuundur \u00fchendab tavaliselt \u00fche seadme, sellel on \u00fcks vask- ja \u00fcks optiline port. Optilise pordiga kommutaator teenindab mitut seadet ja v\u00f5imaldab lisada VLAN-e ja liiasust.<\/p>\n<\/details>\n<details>\n<summary>Kas meediamuundur viivitab reaalajaliiklust?<\/summary>\n<p>Viivitus on v\u00e4ike, olenevalt kiirusest ja kaadri suurusest m\u00f5nest mikrosekundist kuni umbes k\u00fcmnendiku millisekundini. Tavaliselt see PROFINET-i ega EtherNet\/IP-d ei m\u00f5juta.<\/p>\n<\/details>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Meediamuundur \u00fchendab vaskkaabli optilise kiuga, nii et Ethernet ulatub kaugemale kui 100 meetrit ja peab vastu elektrilistele h\u00e4iretele. Selles juhendis k\u00e4sitleme \u00fche- ja mitmemoodilist kiudu, SFP-moodulit, ulatust ning seda, mis eristab t\u00f6\u00f6stuslikku muundurit kontorimudelist.<\/p>\n","protected":false},"author":11,"featured_media":8234357,"template":"","meta":{"_yoast_wpseo_focuskw":"meediamuundur","_yoast_wpseo_metadesc":"Meediamuunduri juhend: millal on optiline kiud vaskkaablist parem, \u00fche- v\u00f5i mitmemoodiline kiud, SFP, ulatus ja mida n\u00f5uab 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