{"id":5121,"date":"2026-07-30T14:36:06","date_gmt":"2026-07-30T12:36:06","guid":{"rendered":"https:\/\/w3.ime-actia.de\/vehicle-diagnostics\/most\/"},"modified":"2026-08-11T14:26:08","modified_gmt":"2026-08-11T12:26:08","slug":"most","status":"publish","type":"page","link":"https:\/\/www.ime-actia.de\/en\/vehicle-diagnostics\/most\/","title":{"rendered":"MOST"},"content":{"rendered":"\n<div class=\"wp-block-essential-blocks-button root-eb-button-qyls3\"><div class=\"eb-parent-wrapper eb-parent-eb-button-qyls3 \"><div class=\"eb-button-wrapper eb-button-alignment eb-button-qyls3\"><div class=\"eb-button\"><div class=\"eb-button-inner-wrapper \"><a class=\"eb-button-anchor \" href=\"https:\/\/www.ime-actia.de\/en\/vehicle-diagnostics\/\" rel=\"noopener\"><i icon=\"fas fa-arrow-left\" class=\"fas fa-arrow-left eb-button-icon eb-button-icon-left hvr-icon\"><\/i>Back to Vehicle Diagnostics<\/a><\/div><\/div><\/div><\/div><\/div>\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">MOST<\/h2>\n\n<p class=\"wp-block-paragraph\">The <strong>MOST <\/strong>bus <strong>(Media Oriented System Transport<\/strong>) is used to transmit <strong>audio, video, voice, and data signals<\/strong>. This makes the bus system particularly well-suited for applications with high data rates, such as those generated by infotainment systems in modern vehicles. It is used by all major automakers. <strong>Optical fibers<\/strong> are used as the transmission medium.   <\/p>\n\n<p class=\"wp-block-paragraph\">A MOST bus system is always configured in a <strong>ring topology<\/strong>. A <strong>maximum of 64 devices<\/strong> can be active in a MOST network. The network is plug-and-play capable, making it easy to add or remove devices. Since the MOST bus system supports all seven layers of the ISO-OSI data model, this bus system is more accurately classified as a protocol layer.   <\/p>\n\n<p class=\"wp-block-paragraph\">In the network, a <strong>master <\/strong>coordinates operations by regularly transmitting MOST frames into the ring. These frames begin with a preamble that allows the slaves to maintain continuous synchronization. A total bandwidth of 1<strong>50 MBaud<\/strong> is available for the transmission of streaming data.  <\/p>\n\n<p class=\"wp-block-paragraph\">In addition, MOST includes a channel for sending <strong>control messages<\/strong>. This allows devices and communication to be configured. <\/p>\n\n<p class=\"wp-block-paragraph\">Unlike nearly all other bus systems and protocols used in vehicle diagnostics, MOST is not an open ISO standard but is subject to specific licensing terms set by the <strong><a href=\"https:\/\/www.mostcooperation.com\/specifications\/\" target=\"_blank\" rel=\"noopener\">MOST Cooperation.<\/a><\/strong><\/p>\n\n<div class=\"wp-block-cover alignfull cta-footer\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:0;min-height:430px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-ast-global-color-5-background-color has-background-dim-100 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-15ae893d wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2c464be3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:300px\">\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"437\" src=\"https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB.png\" alt=\"ACTIA logo\" class=\"wp-image-11\" style=\"border-radius:0px;box-shadow:none;object-fit:cover\" srcset=\"https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB.png 2000w, https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB-300x66.png 300w, https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB-1024x224.png 1024w, https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB-768x168.png 768w, https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB-1536x336.png 1536w, https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB-600x131.png 600w, https:\/\/www.ime-actia.de\/wp-content\/uploads\/2025\/11\/cropped-ACTIA_QUADRI_RVB-109x24.png 109w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 class=\"wp-block-heading has-ast-global-color-2-color has-text-color has-link-color wp-elements-1\">Do you have any questions about our products or services?<\/h2>\n\n\n\n<p class=\"has-ast-global-color-3-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\"><strong>We are here for you! Send us your inquiry using the contact form \u2013 our team will get back to you as soon as possible. <\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.ime-actia.de\/en\/contact\/\">Contact us<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>MOST The MOST bus (Media Oriented System Transport) is used to transmit audio, video, voice, and data signals. This makes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2227,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-5121","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/5121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/comments?post=5121"}],"version-history":[{"count":1,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/5121\/revisions"}],"predecessor-version":[{"id":5122,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/5121\/revisions\/5122"}],"up":[{"embeddable":true,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/2227"}],"wp:attachment":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/media?parent=5121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}