{"id":431652,"date":"2026-10-19T16:43:40","date_gmt":"2026-10-19T13:43:40","guid":{"rendered":"https:\/\/mediagear.ee\/bnc-vs-hdmi-kaapeli-videolle\/"},"modified":"2026-10-19T16:43:40","modified_gmt":"2026-10-19T13:43:40","slug":"bnc-vs-hdmi-kaapeli-videolle","status":"publish","type":"post","link":"https:\/\/mediagear.ee\/fi\/bnc-vs-hdmi-kaapeli-videolle\/","title":{"rendered":"BNC vai HDMI videotuotannossa: kumpi kannattaa valita?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Kun kaapelivedon pituus kasvaa muutamaa metri\u00e4 pidemm\u00e4ksi, liit\u00e4nn\u00e4n tahaton irtoaminen on ehdottomasti estett\u00e4v\u00e4 tai k\u00e4yt\u00f6ss\u00e4 on ammattitason broadcast-kalustoa, oikea valinta on SDI-signaalia v\u00e4litt\u00e4v\u00e4 BNC-kaapeli. HDMI puolestaan loistaa lyhyiss\u00e4 vedoissa monitoreille, kannettaville tietokoneille ja kuluttajatason laitteille. Useimmissa tuotantoymp\u00e4rist\u00f6iss\u00e4 tarvitaankin molempia \u2013 sek\u00e4 luotettavaa videomuunninta niiden v\u00e4liin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aihetta sekoittaa usein termien ep\u00e4tarkka k\u00e4ytt\u00f6: BNC on pelkk\u00e4 liitintyyppi, kun taas HDMI tarkoittaa sek\u00e4 fyysist\u00e4 liitint\u00e4 ett\u00e4 signaaliprotokollaa. BNC-kaapelissa siirret\u00e4\u00e4n tavallisesti SDI-signaalia (Serial Digital Interface), joka on l\u00e4hetystekniikan vakiintunut ammattistandardi. K\u00e4yt\u00e4nn\u00f6ss\u00e4 vertailussa ovat siis koaksiaalikaapelissa kulkeva SDI ja HDMI.<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>BNC (SDI)<\/th>\n<th>HDMI<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Liitin<\/td>\n<td>Lukittava BNC-bajonetti<\/td>\n<td>Lukitsematon (saatavilla ruuvilukitteisia versioita)<\/td>\n<\/tr>\n<tr>\n<td>Tyypillinen kantama<\/td>\n<td>Kymmeni\u00e4 metrej\u00e4, koaksiaalilla jopa n. 100 m<\/td>\n<td>Passiivisella kuparikaapelilla n. 5 m (4K60)<\/td>\n<\/tr>\n<tr>\n<td>Ratkaisu pitkille vedoille<\/td>\n<td>SDI valokuidulla<\/td>\n<td>Aktiivinen optinen kaapeli (AOC)<\/td>\n<\/tr>\n<tr>\n<td>Maksimiresoluutio yhdell\u00e4 kaapelilla<\/td>\n<td>12G-SDI: 2160p60<\/td>\n<td>HDMI 2.1: 8K60, 4K120<\/td>\n<\/tr>\n<tr>\n<td>Kopiosuojaus (HDCP)<\/td>\n<td>Ei<\/td>\n<td>Kyll\u00e4<\/td>\n<\/tr>\n<tr>\n<td>Paras k\u00e4ytt\u00f6kohde<\/td>\n<td>Kamerat, kuvamikserit, lavat ja studiot<\/td>\n<td>Monitorit, kannettavat, tallentimet, lyhyet vedot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Mit\u00e4 tekniikkaa kaapeleiden taustalla on?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SDI on ammattik\u00e4ytt\u00f6\u00f6n luotu SMPTE-standardien mukainen digitaalivideon siirtotapa. Se v\u00e4litt\u00e4\u00e4 pakkaamatonta kuvaa ja siihen upotettua monikanava\u00e4\u00e4nt\u00e4 yhdess\u00e4 75 ohmin koaksiaalikaapelissa, jonka p\u00e4iss\u00e4 on BNC-liittimet. Standardia on kehitetty jatkuvasti resoluutioiden ja bittivirtojen kasvaessa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HD-SDI: 1,485 Gbps<\/li>\n<li>3G-SDI: 2,97 Gbps (tukee 1080p60-resoluutiota)<\/li>\n<li>6G-SDI: 5,94 Gbps (tukee 2160p30-resoluutiota)<\/li>\n<li>12G-SDI: 11,88 Gbps (tukee 2160p60-resoluutiota)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e4m\u00e4 siirtonopeudet perustuvat <a href=\"https:\/\/docs.altera.com\/r\/docs\/683133\/26.1\/sdi-ii-ip-user-guide\/general-description?contentId=zxYQgU4KsNuUn5pJOieAiA\">Alteran listaamiin SMPTE-standardeihin<\/a>, ja resoluutiojaot vastaavat muun muassa <a href=\"https:\/\/www.markertek.com\/product\/omx-04sisi0001\/ocean-matrix-omx-04sisi0001-1x8-12g-sdi-distribution-amplifier-with-re-clocking-and-backwards-compatibility\">12G-SDI-jakovahvistinten teknisi\u00e4 tietoja<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HDMI puolestaan ponnisti kuluttajaelektroniikasta, mutta siit\u00e4 on tullut vakiovaruste my\u00f6s ammattitason laitteissa. HDMI 2.0 tarjoaa <a href=\"https:\/\/www.hdmi.org\/press\/bodydetails\/24\">jopa 18 Gbps:n nopeuden ja 4K-kuvan 50\/60 Hz:n taajuudella<\/a>. Uudempi HDMI 2.1 ylt\u00e4\u00e4 <a href=\"https:\/\/www.hdmi.org\/announce\/detail\/172\">jopa 48 Gbps:n kaistanleveyteen tukien 8K60- ja 4K120-signaaleja<\/a>. Paperilla HDMI tarjoaa siis huomattavasti SDI:t\u00e4 suuremman tiedonsiirtokyvyn, mink\u00e4 vuoksi se on yleisin liit\u00e4nt\u00e4 huipputarkkoihin n\u00e4ytt\u00f6ihin ja tietokoneisiin kytkett\u00e4ess\u00e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pelkk\u00e4 kaistanleveys ei kuitenkaan ratkaise kaikkea. Todellisessa tuotantoymp\u00e4rist\u00f6ss\u00e4 siirtoet\u00e4isyys ja mekaaninen luotettavuus ajavat l\u00e4hes poikkeuksetta raakojen bittinopeuksien ohi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Siirtoet\u00e4isyys: BNC:n kiistaton valttikortti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mit\u00e4 suurempi signaalin bittinopeus on, sit\u00e4 herkemmin se vaimenee kuparikaapelissa matkan kasvaessa. SDI-protokolla on suunniteltu nimenomaan siet\u00e4m\u00e4\u00e4n pitki\u00e4 vetoja h\u00e4iri\u00f6tt\u00f6m\u00e4sti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SDI.<\/strong> Belden 1694A -koaksiaalikaapelia k\u00e4ytt\u00e4v\u00e4 Cypress Technology <a href=\"https:\/\/pdf.medicalexpo.com\/pdf\/cypress-technology\/cplus-sdi2h-w\/4579926-267056.html\">ilmoittaa testatuiksi siirtoet\u00e4isyyksiksi<\/a> 100 metri\u00e4 3G-SDI:lle, 80 metri\u00e4 6G-SDI:lle ja 60 metri\u00e4 12G-SDI:lle. Osa valmistajista noudattaa viel\u00e4kin varovaisempaa linjaa: esimerkiksi Barco <a href=\"https:\/\/www.barco.com\/en\/support\/knowledge-base\/2194-what-is-12gsdi-and-what-cables-can-be-used\">rajaa 12G-SDI-vedot enint\u00e4\u00e4n 30 metriin Belden 4855R -kaapelilla<\/a>. Belden itse muistuttaa, ett\u00e4 SMPTE-standardien pituustaulukot ovat <a href=\"https:\/\/www.belden.com\/blog\/key-to-video-cable-performance\">laskennallisia arvoja, eiv\u00e4t mitattuja kentt\u00e4testej\u00e4<\/a>. Ilmoitettuja pituuksia onkin viisainta pit\u00e4\u00e4 ehdottomana maksimina. Kaapelivedot kannattaa aina mitoittaa hyv\u00e4ll\u00e4 turvamarginaalilla ja tarkistaa kaapelin tarkka datalehti etuk\u00e4teen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HDMI.<\/strong> HDMI-standardi ei m\u00e4\u00e4rittele kaapeleille virallista enimm\u00e4ispituutta, mutta passiivisen kuparikaapelin fysiikka tulee nopeasti vastaan. Amphenol Socapexin mukaan <a href=\"https:\/\/www.amphenol-socapex.com\/sites\/default\/files\/media\/document\/2025-10\/AOC%20HDMI%20FTV_datasheet.pdf\">HDMI 2.0 -signaalin laatu alkaa heiket\u00e4 kuparijohtimessa jo 5 metrin j\u00e4lkeen<\/a>. Alan arvioiden mukaan <a href=\"https:\/\/hometheaterhub.org\/guides\/hdmi-cables-explained\">sertifioidut 48 Gbps:n passiivikaapelit toimivat luotettavasti vain noin 3 metriin asti<\/a>. Pidemmill\u00e4 et\u00e4isyyksill\u00e4 vaaditaan aktiivinen optinen HDMI-kaapeli (AOC). Esimerkiksi Amphenolin oma HDMI 2.0 AOC -kaapeli ylt\u00e4\u00e4 jopa 100 metriin, joskin t\u00e4m\u00e4 koskee vain kyseist\u00e4 erikoistuotetta eik\u00e4 p\u00e4de automaattisesti kaikkiin aktiivikaapeleihin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u00e4yt\u00e4nn\u00f6n esimerkkej\u00e4 kaapelivalinnasta<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kun olet kytkem\u00e4ss\u00e4 kameraa kuvamikseriin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>8 m, 1080p60:<\/strong> Laadukas HDMI-kaapeli voi toimia testattuna, mutta SDI on huomattavasti varmempi ja ammattimaisempi ratkaisu.<\/li>\n<li><strong>40 m, 1080p60:<\/strong> Passiivinen HDMI ei toimi. K\u00e4yt\u00e4 3G-SDI-koaksiaalikaapelia, jolle t\u00e4m\u00e4 matka on vaivaton perusveto.<\/li>\n<li><strong>60 m, 4K60:<\/strong> 12G-SDI-koaksiaali toimii suorituskykyns\u00e4 \u00e4\u00e4rirajoilla. K\u00e4yt\u00e4 mieluummin optista SDI-muunninta tai laadukasta HDMI AOC -kaapelia, jos laitteissa on HDMI-liit\u00e4nn\u00e4t.<\/li>\n<li><strong>150 m tai enemm\u00e4n:<\/strong> Valitse poikkeuksetta valokuitu signaalityypist\u00e4 riippumatta.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pitkiin SDI-siirtoihin erinomainen ratkaisu on <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/avmatrix-fe1121-12g-12g-sdi-fiber-optic-extender\/\">AVMATRIX FE1121-12G -kuitumuunnin<\/a>, joka siirt\u00e4\u00e4 jopa 12G-signaalia valokuitua pitkin ilman laadun heikkenemist\u00e4.<\/p>\n\n\n<div class=\"woocommerce columns-4 \"><ul class=\"products columns-4\">\n<li class=\"product type-product post-279950 status-publish first instock product_cat-signal-processing-fi product_tag-sdi-fi has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/mediagear.ee\/fi\/tuote\/avmatrix-fe1121-12g-12g-sdi-fiber-optic-extender\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><picture><source media=\"(max-width:9999px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/bis-images\/279951\/AVMatrix-FE1121-12G-300x300.jpg\"><source media=\"(min-width:10000px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G.jpg\"><img decoding=\"async\" width=\"2000\" height=\"2000\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G.jpg\" class=\"attachment-full size-full\" alt=\"AVMATRIX FE1121-12G 12G-SDI fiber optic extender\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G.jpg 2000w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-300x300.jpg 300w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-100x100.jpg 100w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-800x800.jpg 800w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-1024x1024.jpg 1024w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-150x150.jpg 150w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-768x768.jpg 768w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-1536x1536.jpg 1536w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMatrix-FE1121-12G-350x350.jpg 350w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" data-xooWscFly=\"fly\" \/><\/picture><div class=\"product-category\">SIGNAALINK\u00c4SITTELY<\/div><h2 class=\"woocommerce-loop-product__title\">AVMATRIX FE1121-12G 12G-SDI fiber optic extender<\/h2><span class=\"price\"><div class=\"price-wrap\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;669.00<\/bdi><\/span> <\/div><small class=\"woocommerce-price-suffix\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;829.56<\/bdi><\/span> (sis. alv.)<\/small><\/span><div class=\"vdisain-shop-stock-status vdisain-stock-local\" title=\"T\u00e4m\u00e4 tuote on paikallisessa varastossamme ja saatavilla heti.\"><span class=\"vdisain-stock-indicator\"><\/span><span class=\"vdisain-stock-text\">VARASTOSSA<\/span><\/div><style>\n                .vdisain-shop-stock-status {\n                    display: flex;\n                    align-items: center;\n                    gap: 0.5rem;\n                    font-size: 11px;\n                    font-weight: 600;\n                    color: #374151;\n                    text-transform: uppercase;\n                    letter-spacing: 0.5px;\n                    margin: 4px 0;\n                }\n                .vdisain-stock-indicator {\n                    width: 12px;\n                    height: 12px;\n                    border-radius: 50%;\n                    flex-shrink: 0;\n                }\n                .vdisain-stock-local .vdisain-stock-indicator {\n                    background-color: #10b981;\n                }\n                .vdisain-stock-partner .vdisain-stock-indicator {\n                    background-color: #f59e0b;\n                }\n                .vdisain-stock-contact .vdisain-stock-indicator {\n                    background-color: #6b7280;\n                }\n                .vdisain-stock-outofstock .vdisain-stock-indicator {\n                    background-color: #ef4444;\n                }\n            <\/style><\/a><span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:279950,&quot;item_id&quot;:&quot;FE1121-12G&quot;,&quot;item_name&quot;:&quot;AVMATRIX FE1121-12G 12G-SDI fiber optic extender&quot;,&quot;sku&quot;:&quot;FE1121-12G&quot;,&quot;price&quot;:669,&quot;stocklevel&quot;:1,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;SIGNAALINK\\u00c4SITTELY&quot;,&quot;id&quot;:&quot;FE1121-12G&quot;,&quot;productlink&quot;:&quot;https:\\\/\\\/mediagear.ee\\\/fi\\\/tuote\\\/avmatrix-fe1121-12g-12g-sdi-fiber-optic-extender\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_list_id&quot;:&quot;general-product-list&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><div class=\"wishlist-loop-button\"><button class=\"wishlist-toggle-button\"\n                     data-product-id=\"279950\" \n                     title=\"Add to wishlist\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M8.272 4.95283C7.174 4.95283 6.077 5.34983 5.241 6.14483C4.441 6.90683 4 7.91783 4 8.99183C4 10.0648 4.441 11.0758 5.241 11.8378L12 18.2698L18.759 11.8378C19.559 11.0758 20 10.0648 20 8.99183C20 7.91883 19.559 6.90683 18.759 6.14483C17.088 4.55483 14.368 4.55483 12.697 6.14483L12 6.80883L11.303 6.14483C10.467 5.34983 9.37 4.95283 8.272 4.95283ZM12 20.9998L3.847 13.2408C2.656 12.1078 2 10.5988 2 8.99183C2 7.38483 2.656 5.87583 3.847 4.74183C6.067 2.62883 9.552 2.43883 12 4.16883C14.448 2.43883 17.933 2.62883 20.153 4.74183C21.344 5.87583 22 7.38483 22 8.99183C22 10.5988 21.344 12.1078 20.153 13.2408L12 20.9998Z\" fill=\"#425A7E\"><\/path>\n              <\/svg><\/button><\/button><\/div><\/li>\n<\/ul>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Liit\u00e4nn\u00e4n luotettavuus ratkaisee yll\u00e4tt\u00e4v\u00e4n paljon<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">BNC-liitin perustuu bajonettilukitukseen, joka lukittuu napakasti nelj\u00e4nneskierroksella. <a href=\"https:\/\/en.wikipedia.org\/wiki\/BNC_connector\">Liittimen nastat lukittuvat runko-osan uriin<\/a>, eik\u00e4 liitos p\u00e4\u00e4se aukeamaan vahingossa, vaikka kaapeliin kohdistuisi nyk\u00e4isy kesken kiivaimman tuotannon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tavallisessa HDMI-liittimess\u00e4 ei ole mink\u00e4\u00e4nlaista mekaanista lukitusta. Joissakin kaapeleissa k\u00e4ytet\u00e4\u00e4n <a href=\"https:\/\/www.eaton.com\/us\/en-us\/products\/backup-power-ups-surge-it-power-distribution\/backup-power-ups-it-power-distribution-resources\/cpdi-vertical-marketing\/hdmi-explained.html\">jousipinnitetyt liittimet paremman kitkan saavuttamiseksi, ja teollisuusk\u00e4ytt\u00f6\u00f6n suositellaan erillisi\u00e4 ruuvilukitteisia liittimi\u00e4<\/a>. Gimbaalissa, kamerajalustalla tai live-tapahtumalavalla l\u00f6ystyv\u00e4 HDMI-liitin on aina todellinen riskitekij\u00e4. Jos kamerassa on vain HDMI-l\u00e4ht\u00f6, kamerah\u00e4kki kaapelilukolla tai laadukas lukittava HDMI-kaapeli on v\u00e4ltt\u00e4m\u00e4t\u00f6n lis\u00e4varuste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Toinen merkitt\u00e4v\u00e4 ero liittyy laitteiden v\u00e4liseen k\u00e4ttelyyn. HDMI-laitteet neuvottelevat kesken\u00e4\u00e4n EDID-laitetiedot ja varmentavat t\u00e4m\u00e4n j\u00e4lkeen HDCP-kopiosuojauksen. <a href=\"https:\/\/www3.universitybusiness.com\/mailing\/whitePaper\/2013\/Extron%20EDID%20Management%20White%20Paper.pdf\">Extronin mukaan kummankin vaiheen on onnistuttava virheett\u00f6m\u00e4sti ennen kuin kuva saadaan n\u00e4kyviin<\/a>. <a href=\"https:\/\/cedia.org\/en-us\/smart-home-professionals\/news\/troubleshooting-hdmi-handshake-failures\/\">CEDIA nostaa yleisimmiksi k\u00e4ttelyongelmien syiksi<\/a> ristiriitaiset EDID-tiedot, signaalia v\u00e4\u00e4rist\u00e4v\u00e4t jakajat tai jatkimet, laitteiden virhekytkent\u00e4j\u00e4rjestyksen sek\u00e4 heikkolaatuiset tai ylipitk\u00e4t kaapelit. T\u00e4m\u00e4n vuoksi HDMI-signaali saattaa p\u00e4tki\u00e4 tai pimenty\u00e4 kokonaan, jos yksikin ketjun laite sammutetaan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SDI puolestaan v\u00e4litt\u00e4\u00e4 <a href=\"https:\/\/avprosupply.com\/converters-and-scalers\/sdi-video-converters\/\">salaamatonta ammattivideosignaalia<\/a>, josta HDCP-kopiosuojausneuvottelut puuttuvat kokonaan. T\u00e4m\u00e4 poistaa valtavan m\u00e4\u00e4r\u00e4n turhia virhel\u00e4hteit\u00e4 suorissa l\u00e4hetyksiss\u00e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kaikki BNC-kaapelit eiv\u00e4t ole samanlaisia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">BNC-kaapelia ei pid\u00e4 koskaan ostaa pelk\u00e4n liittimen ulkon\u00e4\u00f6n perusteella. Kaksi yleist\u00e4 sudenkuoppaa aiheuttavat s\u00e4\u00e4nn\u00f6llisesti harmaita hiuksia:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>50 ohmia vs. 75 ohmia.<\/strong> BNC-liittimi\u00e4 ja -kaapeleita valmistetaan molemmilla impedansseilla. Vaikka ne kytkeytyv\u00e4t mekaanisesti toisiinsa, <a href=\"https:\/\/www.canford.co.uk\/TechZone\/Article\/BNCConnectorsTerminologyTermination\">ne eiv\u00e4t ole s\u00e4hk\u00f6isesti yhteensopivia korkeilla taajuuksilla ja suurilla bittinopeuksilla<\/a>. Videokuva ja SDI-signaali vaativat poikkeuksetta 75 ohmin impedanssin. 50 ohmin BNC on tarkoitettu radiotaajuusk\u00e4ytt\u00f6\u00f6n (RF), kuten langattomien mikrofonien antennij\u00e4rjestelmiin \u2013 esimerkiksi <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/sennheiser-ac41-eu\/\">Sennheiser AC41 -antennijakajan<\/a> yhteyteen. 50 ohmin kaapelin kytkeminen SDI-v\u00e4yl\u00e4\u00e4n aiheuttaa signaaliheijastuksia ja kuvavirheit\u00e4, joten kaapelityypit on syyt\u00e4 pit\u00e4\u00e4 tarkasti erill\u00e4\u00e4n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kaapelin ja liittimen nopeusluokitus.<\/strong> Perinteinen 1080p-kuvalle tehty kaapeli ei suoriudu 4K-siirrosta. 12G-SDI-signaali vaatii nimenomaan sille mitoitetut kaapelit ja liittimet, kuten valmiiksi kootut <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/belden-4855r-12g-sdi-cable-with-bnc-connectors-variable-lengths\/\">Belden 4855R -kaapelit<\/a>. Kuten Barco huomauttaa, <a href=\"https:\/\/www.barco.com\/en\/support\/knowledge-base\/2194-what-is-12gsdi-and-what-cables-can-be-used\">tavallisia BNC-liittimi\u00e4 ei ole tehty n\u00e4in korkeille taajuuksille, mik\u00e4 leikkaa k\u00e4ytt\u00f6kelpoista kaapelipituutta dramaattisesti<\/a>. Joustavampaan 6G- ja 3G-k\u00e4ytt\u00f6\u00f6n loistava valinta on <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/belden-1505f-6g-sdi-cable-with-bnc-connectors-variable-lengths\/\">Belden 1505F -kaapeli<\/a>. Laajempaan valikoimaan voit tutustua <a href=\"https:\/\/mediagear.ee\/fi\/tuote-osasto\/cabling-fi\/coax-cables-fi\/\">koaksiaalikaapelit-kategoriassamme<\/a>.<\/p>\n\n\n<div class=\"woocommerce columns-4 \"><ul class=\"products columns-4\">\n<li class=\"product type-product post-278840 status-publish first instock product_cat-coax-cables-fi has-post-thumbnail taxable shipping-taxable purchasable product-type-variable\">\n\t<a href=\"https:\/\/mediagear.ee\/fi\/tuote\/belden-4855r-12g-sdi-cable-with-bnc-connectors-variable-lengths\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><picture><source media=\"(max-width:9999px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/bis-images\/278841\/BELDEN_4855R-1-300x300.jpg\"><source media=\"(min-width:10000px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1.jpg\"><img decoding=\"async\" width=\"430\" height=\"430\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1.jpg\" class=\"attachment-full size-full\" alt=\"BELDEN 4855R 12G SDI cable with BNC connectors, variable lengths\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1.jpg 430w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1-300x300.jpg 300w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1-100x100.jpg 100w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1-150x150.jpg 150w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/BELDEN_4855R-1-350x350.jpg 350w\" sizes=\"(max-width: 430px) 100vw, 430px\" data-xooWscFly=\"fly\" \/><\/picture><div class=\"product-category\">Koaksiaalikaapelit<\/div><h2 class=\"woocommerce-loop-product__title\">BELDEN 4855R 12G SDI cable with BNC connectors, variable lengths<\/h2><span class=\"price\"><div class=\"price-wrap -variable\"><span class=\"woocommerce-Price-amount amount\"><bdi>&euro;&nbsp;18.25<\/bdi><\/span> \u2013 <span class=\"woocommerce-Price-amount amount\"><bdi>&euro;&nbsp;84.25<\/bdi><\/span><br><\/div><small class=\"woocommerce-price-suffix\">&euro;&nbsp;22.63 \u2013 &euro;&nbsp;104.47 (sis. alv.)<\/small><\/span><div class=\"vdisain-shop-stock-status vdisain-stock-local\" title=\"T\u00e4m\u00e4 tuote on paikallisessa varastossamme ja saatavilla heti.\"><span class=\"vdisain-stock-indicator\"><\/span><span class=\"vdisain-stock-text\">VARASTOSSA<\/span><\/div><\/a><span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:278840,&quot;item_id&quot;:&quot;278840&quot;,&quot;item_name&quot;:&quot;BELDEN 4855R 12G SDI cable with BNC connectors, variable lengths&quot;,&quot;sku&quot;:&quot;278840&quot;,&quot;price&quot;:18.25,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Koaksiaalikaapelit&quot;,&quot;id&quot;:&quot;278840&quot;,&quot;productlink&quot;:&quot;https:\\\/\\\/mediagear.ee\\\/fi\\\/tuote\\\/belden-4855r-12g-sdi-cable-with-bnc-connectors-variable-lengths\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;variable&quot;,&quot;item_list_id&quot;:&quot;general-product-list&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><div class=\"wishlist-loop-button\"><button class=\"wishlist-toggle-button\"\n                     data-product-id=\"278840\" \n                     title=\"Add to wishlist\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M8.272 4.95283C7.174 4.95283 6.077 5.34983 5.241 6.14483C4.441 6.90683 4 7.91783 4 8.99183C4 10.0648 4.441 11.0758 5.241 11.8378L12 18.2698L18.759 11.8378C19.559 11.0758 20 10.0648 20 8.99183C20 7.91883 19.559 6.90683 18.759 6.14483C17.088 4.55483 14.368 4.55483 12.697 6.14483L12 6.80883L11.303 6.14483C10.467 5.34983 9.37 4.95283 8.272 4.95283ZM12 20.9998L3.847 13.2408C2.656 12.1078 2 10.5988 2 8.99183C2 7.38483 2.656 5.87583 3.847 4.74183C6.067 2.62883 9.552 2.43883 12 4.16883C14.448 2.43883 17.933 2.62883 20.153 4.74183C21.344 5.87583 22 7.38483 22 8.99183C22 10.5988 21.344 12.1078 20.153 13.2408L12 20.9998Z\" fill=\"#425A7E\"><\/path>\n              <\/svg><\/button><\/button><\/div><\/li>\n<li class=\"product type-product post-278852 status-publish instock product_cat-coax-cables-fi has-post-thumbnail taxable shipping-taxable purchasable product-type-variable\">\n\t<a href=\"https:\/\/mediagear.ee\/fi\/tuote\/belden-1505f-6g-sdi-cable-with-bnc-connectors-variable-lengths\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><picture><source media=\"(max-width:9999px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/bis-images\/278853\/20190611_103947-1-300x300.jpg\"><source media=\"(min-width:10000px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1.jpg\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1.jpg\" class=\"attachment-full size-full\" alt=\"BELDEN 1505F 6G SDI cable with BNC connectors, variable lengths\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1.jpg 600w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1-300x300.jpg 300w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1-100x100.jpg 100w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1-150x150.jpg 150w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/20190611_103947-1-350x350.jpg 350w\" sizes=\"(max-width: 600px) 100vw, 600px\" data-xooWscFly=\"fly\" \/><\/picture><div class=\"product-category\">Koaksiaalikaapelit<\/div><h2 class=\"woocommerce-loop-product__title\">BELDEN 1505F 6G SDI cable with BNC connectors, variable lengths<\/h2><span class=\"price\"><div class=\"price-wrap -variable\"><span class=\"woocommerce-Price-amount amount\"><bdi>&euro;&nbsp;15.25<\/bdi><\/span> \u2013 <span class=\"woocommerce-Price-amount amount\"><bdi>&euro;&nbsp;311.40<\/bdi><\/span><br><\/div><small class=\"woocommerce-price-suffix\">&euro;&nbsp;18.91 \u2013 &euro;&nbsp;386.14 (sis. alv.)<\/small><\/span><div class=\"vdisain-shop-stock-status vdisain-stock-local\" title=\"T\u00e4m\u00e4 tuote on paikallisessa varastossamme ja saatavilla heti.\"><span class=\"vdisain-stock-indicator\"><\/span><span class=\"vdisain-stock-text\">VARASTOSSA<\/span><\/div><\/a><span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:278852,&quot;item_id&quot;:&quot;278852&quot;,&quot;item_name&quot;:&quot;BELDEN 1505F 6G SDI cable with BNC connectors, variable lengths&quot;,&quot;sku&quot;:&quot;278852&quot;,&quot;price&quot;:15.25,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Koaksiaalikaapelit&quot;,&quot;id&quot;:&quot;278852&quot;,&quot;productlink&quot;:&quot;https:\\\/\\\/mediagear.ee\\\/fi\\\/tuote\\\/belden-1505f-6g-sdi-cable-with-bnc-connectors-variable-lengths\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:2,&quot;product_type&quot;:&quot;variable&quot;,&quot;item_list_id&quot;:&quot;general-product-list&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><div class=\"wishlist-loop-button\"><button class=\"wishlist-toggle-button\"\n                     data-product-id=\"278852\" \n                     title=\"Add to wishlist\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M8.272 4.95283C7.174 4.95283 6.077 5.34983 5.241 6.14483C4.441 6.90683 4 7.91783 4 8.99183C4 10.0648 4.441 11.0758 5.241 11.8378L12 18.2698L18.759 11.8378C19.559 11.0758 20 10.0648 20 8.99183C20 7.91883 19.559 6.90683 18.759 6.14483C17.088 4.55483 14.368 4.55483 12.697 6.14483L12 6.80883L11.303 6.14483C10.467 5.34983 9.37 4.95283 8.272 4.95283ZM12 20.9998L3.847 13.2408C2.656 12.1078 2 10.5988 2 8.99183C2 7.38483 2.656 5.87583 3.847 4.74183C6.067 2.62883 9.552 2.43883 12 4.16883C14.448 2.43883 17.933 2.62883 20.153 4.74183C21.344 5.87583 22 7.38483 22 8.99183C22 10.5988 21.344 12.1078 20.153 13.2408L12 20.9998Z\" fill=\"#425A7E\"><\/path>\n              <\/svg><\/button><\/button><\/div><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Kamerarigeiss\u00e4 ja ahtaissa tiloissa ohuet, kulmaliittimill\u00e4 varustetut kaapelit s\u00e4\u00e4st\u00e4v\u00e4t tilaa ja suojaavat liit\u00e4nt\u00f6j\u00e4 rasitukselta. Mainio esimerkki t\u00e4st\u00e4 on <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/shape-25cm-sdi-coiled-bnc-cable-with-90-angled-connectors\/\">kierteinen SHAPE 25 cm SDI -kaapeli<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Voiko HDMI-kaapelin kytke\u00e4 suoraan BNC-porttiin?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ei voi. Passiivinen adapterikaapeli ei riit\u00e4, sill\u00e4 HDMI ja BNC (SDI) poikkeavat toisistaan niin fyysisen rakenteen, j\u00e4nnitetasojen kuin koodaustapojenkin puolesta. V\u00e4liin tarvitaan aina aktiivinen videomuunnin, joka huomioi oikean signaalistandardin ja kulkusuunnan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selvit\u00e4 ensin laitteesi BNC-liit\u00e4nn\u00e4n tyyppi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SDI BNC<\/strong> (videokamerat, kuvamikserit, ammattin\u00e4yt\u00f6t): tarvitset SDI\/HDMI-muuntimen.<\/li>\n<li><strong>Analoginen CCTV BNC<\/strong> (CVBS, AHD, TVI, CVI): kyseess\u00e4 ei ole SDI. T\u00e4h\u00e4n vaaditaan valvontakameroille tarkoitettu CCTV\u2013HDMI-muunnin, kuten <a href=\"https:\/\/www.cctvcameraworld.com\/products\/bnc-to-hdmi-converter.html\">alan laitevalmistajat ohjeistavat<\/a>. SDI-muuntimet eiv\u00e4t ymm\u00e4rr\u00e4 n\u00e4it\u00e4 analogisia signaaleja lainkaan.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Muuntimia on saatavilla molempiin suuntiin. Esimerkiksi Black Box valmistaa konverttereita kumpaankin tarkoitukseen, ja <a href=\"https:\/\/www.blackbox.com\/en-us\/store\/product\/detail\/HDMI-to-3G-SDI-HD-SDI-Converter\/VSC-HDMI-SDI\">SDI-puolella k\u00e4ytet\u00e4\u00e4n aina 75 ohmin BNC-liit\u00e4nt\u00e4\u00e4<\/a>. Suosittelemme k\u00e4ytt\u00f6tarkoituksen mukaan seuraavia varmoja ratkaisuja:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Monipuoliseen tuotantokalustoon:<\/strong> <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/blackmagic-design-micro-converter-sdi-hdmi-12g-bidirectional-incl-ps\/\">Blackmagic Micro Converter SDI\/HDMI 12G BiDirectional<\/a> muuntaa signaalia molempiin suuntiin yht\u00e4aikaisesti, mik\u00e4 tekee siit\u00e4 kentt\u00e4k\u00e4ytt\u00f6\u00f6n ly\u00f6m\u00e4tt\u00f6m\u00e4n ty\u00f6kalun.<\/li>\n<li><strong>HDMI-kameran liitt\u00e4minen 4K SDI -j\u00e4rjestelm\u00e4\u00e4n:<\/strong> <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/avmatrix-sc1221-12g-hdmi2-0-to-12g-sdi-4k-broadcast-converter\/\">AVMATRIX SC1221-12G<\/a> muuntaa 4K60 HDMI 2.0 -signaalin 12G-SDI-muotoon ja sis\u00e4lt\u00e4\u00e4 suoran HDMI loop-out -l\u00e4piviennin.<\/li>\n<li><strong>Kompaktiin 1080p-perusk\u00e4ytt\u00f6\u00f6n:<\/strong> <a href=\"https:\/\/mediagear.ee\/fi\/tuote\/avmatrix-sc1221-hdmi-to-3g-sdi-mini-converter\/\">AVMATRIX SC1221 -minimuunnin<\/a> on luotettava ja pienikokoinen perusmuunnin HDMI-signaalin siirt\u00e4miseksi 3G-SDI-v\u00e4yl\u00e4\u00e4n.<\/li>\n<\/ul>\n\n\n<div class=\"woocommerce columns-4 \"><ul class=\"products columns-4\">\n<li class=\"product type-product post-348098 status-publish first onbackorder product_cat-signal-processing-fi has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/mediagear.ee\/fi\/tuote\/blackmagic-design-micro-converter-sdi-hdmi-12g-bidirectional-incl-ps\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><picture><source media=\"(max-width:9999px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/bis-images\/347748\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-300x300.jpg\"><source media=\"(min-width:10000px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1.jpg\"><img decoding=\"async\" width=\"1500\" height=\"1200\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1.jpg\" class=\"attachment-full size-full\" alt=\"BLACKMAGIC DESIGN Micro Converter SDI\/HDMI 12G BiDirectional (incl PS)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1.jpg 1500w, https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-300x240.jpg 300w, https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-1024x819.jpg 1024w, https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-768x614.jpg 768w, https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-350x280.jpg 350w, https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-438x350.jpg 438w, https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/01\/blackmagic-design-micro-converter-sdihdmi-12g-bidirectional-incl-ps-1-800x640.jpg 800w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" data-xooWscFly=\"fly\" \/><\/picture><div class=\"product-category\">SIGNAALINK\u00c4SITTELY<\/div><h2 class=\"woocommerce-loop-product__title\">BLACKMAGIC DESIGN Micro Converter SDI\/HDMI 12G BiDirectional (incl PS)<\/h2><span class=\"price\"><div class=\"price-wrap\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;159.00<\/bdi><\/span> <\/div><small class=\"woocommerce-price-suffix\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;197.16<\/bdi><\/span> (sis. alv.)<\/small><\/span><\/a><span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:348098,&quot;item_id&quot;:&quot;CONVBDC\\\/SDI\\\/HDMI12G\\\/P&quot;,&quot;item_name&quot;:&quot;BLACKMAGIC DESIGN Micro Converter SDI\\\/HDMI 12G BiDirectional (incl PS)&quot;,&quot;sku&quot;:&quot;CONVBDC\\\/SDI\\\/HDMI12G\\\/P&quot;,&quot;price&quot;:159,&quot;stocklevel&quot;:0,&quot;stockstatus&quot;:&quot;onbackorder&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;SIGNAALINK\\u00c4SITTELY&quot;,&quot;id&quot;:&quot;CONVBDC\\\/SDI\\\/HDMI12G\\\/P&quot;,&quot;productlink&quot;:&quot;https:\\\/\\\/mediagear.ee\\\/fi\\\/tuote\\\/blackmagic-design-micro-converter-sdi-hdmi-12g-bidirectional-incl-ps\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_list_id&quot;:&quot;general-product-list&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><div class=\"wishlist-loop-button\"><button class=\"wishlist-toggle-button\"\n                     data-product-id=\"348098\" \n                     title=\"Add to wishlist\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M8.272 4.95283C7.174 4.95283 6.077 5.34983 5.241 6.14483C4.441 6.90683 4 7.91783 4 8.99183C4 10.0648 4.441 11.0758 5.241 11.8378L12 18.2698L18.759 11.8378C19.559 11.0758 20 10.0648 20 8.99183C20 7.91883 19.559 6.90683 18.759 6.14483C17.088 4.55483 14.368 4.55483 12.697 6.14483L12 6.80883L11.303 6.14483C10.467 5.34983 9.37 4.95283 8.272 4.95283ZM12 20.9998L3.847 13.2408C2.656 12.1078 2 10.5988 2 8.99183C2 7.38483 2.656 5.87583 3.847 4.74183C6.067 2.62883 9.552 2.43883 12 4.16883C14.448 2.43883 17.933 2.62883 20.153 4.74183C21.344 5.87583 22 7.38483 22 8.99183C22 10.5988 21.344 12.1078 20.153 13.2408L12 20.9998Z\" fill=\"#425A7E\"><\/path>\n              <\/svg><\/button><\/button><\/div><\/li>\n<li class=\"product type-product post-277531 status-publish instock product_cat-signal-processing-fi has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/mediagear.ee\/fi\/tuote\/avmatrix-sc1221-12g-hdmi2-0-to-12g-sdi-4k-broadcast-converter\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><picture><source media=\"(max-width:9999px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/bis-images\/277532\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-300x300.webp\"><source media=\"(min-width:10000px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter.webp\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter.webp\" class=\"attachment-full size-full\" alt=\"AVMATRIX SC1221-12G HDMI2.0 to 12G-SDI 4K broadcast converter\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter.webp 1000w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-300x300.webp 300w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-100x100.webp 100w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-800x800.webp 800w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-150x150.webp 150w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-768x768.webp 768w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/AVMATRIX_SC1221-12G_HDMI2.0_to_12G-SDI_4K_broadcast_converter-350x350.webp 350w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" data-xooWscFly=\"fly\" \/><\/picture><div class=\"product-category\">SIGNAALINK\u00c4SITTELY<\/div><h2 class=\"woocommerce-loop-product__title\">AVMATRIX SC1221-12G HDMI2.0 to 12G-SDI 4K broadcast converter<\/h2><span class=\"price\"><div class=\"price-wrap\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;199.00<\/bdi><\/span> <\/div><small class=\"woocommerce-price-suffix\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;246.76<\/bdi><\/span> (sis. alv.)<\/small><\/span><div class=\"vdisain-shop-stock-status vdisain-stock-local\" title=\"T\u00e4m\u00e4 tuote on paikallisessa varastossamme ja saatavilla heti.\"><span class=\"vdisain-stock-indicator\"><\/span><span class=\"vdisain-stock-text\">VARASTOSSA<\/span><\/div><\/a><span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:277531,&quot;item_id&quot;:&quot;SC1221-12G&quot;,&quot;item_name&quot;:&quot;AVMATRIX SC1221-12G HDMI2.0 to 12G-SDI 4K broadcast converter&quot;,&quot;sku&quot;:&quot;SC1221-12G&quot;,&quot;price&quot;:199,&quot;stocklevel&quot;:1,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;SIGNAALINK\\u00c4SITTELY&quot;,&quot;id&quot;:&quot;SC1221-12G&quot;,&quot;productlink&quot;:&quot;https:\\\/\\\/mediagear.ee\\\/fi\\\/tuote\\\/avmatrix-sc1221-12g-hdmi2-0-to-12g-sdi-4k-broadcast-converter\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:2,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_list_id&quot;:&quot;general-product-list&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><div class=\"wishlist-loop-button\"><button class=\"wishlist-toggle-button\"\n                     data-product-id=\"277531\" \n                     title=\"Add to wishlist\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M8.272 4.95283C7.174 4.95283 6.077 5.34983 5.241 6.14483C4.441 6.90683 4 7.91783 4 8.99183C4 10.0648 4.441 11.0758 5.241 11.8378L12 18.2698L18.759 11.8378C19.559 11.0758 20 10.0648 20 8.99183C20 7.91883 19.559 6.90683 18.759 6.14483C17.088 4.55483 14.368 4.55483 12.697 6.14483L12 6.80883L11.303 6.14483C10.467 5.34983 9.37 4.95283 8.272 4.95283ZM12 20.9998L3.847 13.2408C2.656 12.1078 2 10.5988 2 8.99183C2 7.38483 2.656 5.87583 3.847 4.74183C6.067 2.62883 9.552 2.43883 12 4.16883C14.448 2.43883 17.933 2.62883 20.153 4.74183C21.344 5.87583 22 7.38483 22 8.99183C22 10.5988 21.344 12.1078 20.153 13.2408L12 20.9998Z\" fill=\"#425A7E\"><\/path>\n              <\/svg><\/button><\/button><\/div><\/li>\n<li class=\"product type-product post-280266 status-publish instock product_cat-signal-processing-fi product_tag-hdmi-fi product_tag-sdi-fi has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/mediagear.ee\/fi\/tuote\/avmatrix-sc1221-hdmi-to-3g-sdi-mini-converter\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><picture><source media=\"(max-width:9999px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/bis-images\/280267\/SC1221-4-300x300.jpg\"><source media=\"(min-width:10000px)\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4.jpg\"><img decoding=\"async\" width=\"1270\" height=\"1270\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4.jpg\" class=\"attachment-full size-full\" alt=\"AVMATRIX SC1221 HDMI to 3G-SDI mini converter\" srcset=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4.jpg 1270w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4-300x300.jpg 300w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4-100x100.jpg 100w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4-800x800.jpg 800w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4-1024x1024.jpg 1024w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4-150x150.jpg 150w, https:\/\/mediagear.ee\/wp-content\/uploads\/2025\/06\/SC1221-4-768x768.jpg 768w\" sizes=\"(max-width: 1270px) 100vw, 1270px\" data-xooWscFly=\"fly\" \/><\/picture><div class=\"product-category\">SIGNAALINK\u00c4SITTELY<\/div><h2 class=\"woocommerce-loop-product__title\">AVMATRIX SC1221 HDMI to 3G-SDI mini converter<\/h2><span class=\"price\"><div class=\"price-wrap\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;79.00<\/bdi><\/span> <\/div><small class=\"woocommerce-price-suffix\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\" translate=\"no\" dir=\"auto\">&euro;<\/span>&nbsp;97.96<\/bdi><\/span> (sis. alv.)<\/small><\/span><div class=\"vdisain-shop-stock-status vdisain-stock-local\" title=\"T\u00e4m\u00e4 tuote on paikallisessa varastossamme ja saatavilla heti.\"><span class=\"vdisain-stock-indicator\"><\/span><span class=\"vdisain-stock-text\">VARASTOSSA<\/span><\/div><\/a><span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:280266,&quot;item_id&quot;:&quot;SC1221&quot;,&quot;item_name&quot;:&quot;AVMATRIX SC1221 HDMI to 3G-SDI mini converter&quot;,&quot;sku&quot;:&quot;SC1221&quot;,&quot;price&quot;:79,&quot;stocklevel&quot;:12,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;SIGNAALINK\\u00c4SITTELY&quot;,&quot;id&quot;:&quot;SC1221&quot;,&quot;productlink&quot;:&quot;https:\\\/\\\/mediagear.ee\\\/fi\\\/tuote\\\/avmatrix-sc1221-hdmi-to-3g-sdi-mini-converter\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:3,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_list_id&quot;:&quot;general-product-list&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><div class=\"wishlist-loop-button\"><button class=\"wishlist-toggle-button\"\n                     data-product-id=\"280266\" \n                     title=\"Add to wishlist\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\">\n                <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M8.272 4.95283C7.174 4.95283 6.077 5.34983 5.241 6.14483C4.441 6.90683 4 7.91783 4 8.99183C4 10.0648 4.441 11.0758 5.241 11.8378L12 18.2698L18.759 11.8378C19.559 11.0758 20 10.0648 20 8.99183C20 7.91883 19.559 6.90683 18.759 6.14483C17.088 4.55483 14.368 4.55483 12.697 6.14483L12 6.80883L11.303 6.14483C10.467 5.34983 9.37 4.95283 8.272 4.95283ZM12 20.9998L3.847 13.2408C2.656 12.1078 2 10.5988 2 8.99183C2 7.38483 2.656 5.87583 3.847 4.74183C6.067 2.62883 9.552 2.43883 12 4.16883C14.448 2.43883 17.933 2.62883 20.153 4.74183C21.344 5.87583 22 7.38483 22 8.99183C22 10.5988 21.344 12.1078 20.153 13.2408L12 20.9998Z\" fill=\"#425A7E\"><\/path>\n              <\/svg><\/button><\/button><\/div><\/li>\n<\/ul>\n<\/div>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/10\/video-converter-2c34b7-94109f4d18e9.webp\" alt=\"Blackmagic micro converter p\u00f6yd\u00e4ll\u00e4\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00e4yt\u00e4nn\u00f6n nyrkkis\u00e4\u00e4nt\u00f6 on selke\u00e4: hoida laitteiden l\u00e4hell\u00e4 olevat lyhyet vedot HDMI:ll\u00e4 ja pitk\u00e4t siirrot SDI-kaapelilla. Sijoita aktiivinen muunnin aina siihen kohtaan ketjua, jossa signaalitapa vaihtuu. Laajemman katsauksen vaihtoehdoista l\u00f6yd\u00e4t <a href=\"https:\/\/mediagear.ee\/fi\/tuote-osasto\/signal-processing-fi\/\">signaalink\u00e4sittely-kategoriastamme<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Miten valitset oikean kaapelin?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tee valinta k\u00e4ym\u00e4ll\u00e4 l\u00e4pi n\u00e4m\u00e4 nelj\u00e4 kohtaa:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Kuinka pitk\u00e4 kaapeliveto on?<\/strong> Jos et\u00e4isyys ylitt\u00e4\u00e4 5 metri\u00e4 4K60-kuvalla, passiivinen kupari-HDMI ei en\u00e4\u00e4 riit\u00e4. Valitse t\u00e4ll\u00f6in SDI tai aktiivinen optinen HDMI-kaapeli (AOC).<\/li>\n<li><strong>Mit\u00e4 liit\u00e4nt\u00f6j\u00e4 laitteistosta l\u00f6ytyy?<\/strong> K\u00e4yt\u00e4 ensisijaisesti suoria kytkent\u00f6j\u00e4 laitteiden omien liit\u00e4nt\u00f6jen mukaisesti. Jos liittimet eiv\u00e4t t\u00e4sm\u00e4\u00e4, sijoita ketjuun laadukas aktiivimuunnin \u00e4l\u00e4k\u00e4 luota passiivisiin adaptereihin.<\/li>\n<li><strong>Liikutellaanko kaapelia tuotannon aikana?<\/strong> Jos kaapeliin voi kohdistua t\u00e4rin\u00e4\u00e4 tai vetoa, valitse lukittava BNC tai ruuvilukittava HDMI-johto.<\/li>\n<li><strong>Kulkeeko kuva jakajien tai mikserien l\u00e4pi?<\/strong> SDI-signaalissa ei ole HDCP-k\u00e4ttely\u00e4 sekoittamassa kokonaisuutta. HDMI-pohjaisessa reitityksess\u00e4 EDID- ja HDCP-viiveet on aina ennakoitava ja testattava huolellisesti ennen h-hetke\u00e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">HDMI puolustaa paikkaansa silloin, kun koko signaalitie pysyy lyhyen\u00e4 ja laitteisto on kuluttajatasoa \u2013 esimerkiksi peilitt\u00f6m\u00e4n kameran ja erillisen kentt\u00e4monitorin v\u00e4lill\u00e4 tai kannettavaa tietokonetta kaappauskorttiin liitett\u00e4ess\u00e4. <a href=\"https:\/\/mediagear.ee\/fi\/hdmi-kaapeli-videotuotantoon\/\">Oppaamme videotuotannon HDMI-kaapeleihin<\/a> pureutuu tarkemmin kaistanleveyksiin ja liitinten suojaamiseen. Jos rakennat suoratoistoj\u00e4rjestelm\u00e4\u00e4, lue my\u00f6s <a href=\"https:\/\/mediagear.ee\/fi\/kaappauskortti-livestriimaukseen\/\">kaappauskorttien ostajan opas<\/a>, jossa k\u00e4sitell\u00e4\u00e4n HDMI- ja SDI-tulojen eroja. T\u00e4ysin langattomiin ty\u00f6nkulkuihin suosittelemme tutustumaan <a href=\"https:\/\/mediagear.ee\/fi\/langaton-videolahetysjarjestelma\/\">langattomien videol\u00e4hettimien valintaoppaaseen<\/a>.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/mediagear.ee\/wp-content\/uploads\/2026\/10\/coiled-sdi-cable-bb8f2e-5f2cb591d9b3.webp\" alt=\"Kierteinen SDI-kaapeli kameran vieress\u00e4\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tiivistelm\u00e4<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BNC on lukittava liitintyyppi, jossa kulkee tyypillisesti ammattilaistason SDI-signaali. HDMI puolestaan tarkoittaa sek\u00e4 liitint\u00e4 ett\u00e4 signaalistandardia. K\u00e4yt\u00e4nn\u00f6n vertailu tehd\u00e4\u00e4n siis koaksiaalisen SDI:n ja HDMI:n v\u00e4lill\u00e4.<\/li>\n<li>Valitse SDI aina, kun kaapelivedot ovat useita metrej\u00e4 pitki\u00e4 tai liit\u00e4nn\u00e4n tahaton irtoaminen on estett\u00e4v\u00e4. K\u00e4yt\u00e4 HDMI:t\u00e4 lyhyiss\u00e4 n\u00e4ytt\u00f6-, tietokone- ja tallenninkytkenn\u00f6iss\u00e4.<\/li>\n<li>Muista, ett\u00e4 SDI-kaapeleille ilmoitetut maksimipituudet ovat teoreettisia yl\u00e4rajoja. Tarkista aina kyseisen kaapelin tarkka datalehti etenkin 12G-SDI-tarkkuuksilla.<\/li>\n<li>K\u00e4yt\u00e4 videon siirrossa ainoastaan 75 ohmin kaapeleita ja BNC-liittimi\u00e4. 50 ohmin BNC on varattu radiotaajuuslaitteille, kuten langattomille mikrofoneille.<\/li>\n<li>HDMI-kaapelia ei voi kytke\u00e4 suoraan BNC-porttiin pelk\u00e4ll\u00e4 adapterilla. K\u00e4yt\u00e4 aina asianmukaista videomuunninta ja tarkista, onko BNC-porttisi SDI- vai analogista valvontakameratyyppi\u00e4 (CCTV).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kerro meille kamerasi malli, kuvamikserisi sek\u00e4 tarvittava siirtomatka, niin asiantuntijamme auttavat sinua valitsemaan juuri oikeat kaapelit ja muuntimet. Tutustu tuotteisiimme osastoilla <a href=\"https:\/\/mediagear.ee\/fi\/tuote-osasto\/cabling-fi\/hdmi-cables-fi\/\">HDMI-kaapelit<\/a> ja <a href=\"https:\/\/mediagear.ee\/fi\/tuote-osasto\/cabling-fi\/coax-cables-fi\/\">koaksiaalikaapelit<\/a> tai ota yhteytt\u00e4 suoraan asiakaspalveluumme.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>BNC (SDI) vai HDMI videotuotannossa? Vertaile siirtoet\u00e4isyytt\u00e4, kaistanleveytt\u00e4, lukitusta, 75 ohmin kaapeleita ja muuntimia valitaksesi sopivan kaapelin.<\/p>\n","protected":false},"author":0,"featured_media":431583,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3568],"tags":[],"class_list":["post-431652","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-posts"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BNC vai HDMI videotuotannossa: kumpi kannattaa valita?<\/title>\n<meta name=\"description\" content=\"BNC (SDI) vai HDMI videotuotannossa? 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