{"id":381698,"date":"2024-10-20T03:12:44","date_gmt":"2024-10-20T03:12:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-44262021\/"},"modified":"2024-10-26T05:50:03","modified_gmt":"2024-10-26T05:50:03","slug":"bs-iso-44262021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-44262021\/","title":{"rendered":"BS ISO 4426:2021"},"content":{"rendered":"<p>This document specifies communication requirements in support of the Smart Digital Tachograph (SDT) as identified by Regulation 2016\/799 of the European Union<sup>[<\/sup> <span class=\"xref\"> <sup>23<\/sup><\/span> <sup>]<\/sup>.<\/p>\n<p>The specification covers:<\/p>\n<ul>\n<li>\n<p>the physical layer at 5,8&nbsp;GHz for SDT communications (SDTC);<\/p>\n<\/li>\n<li>\n<p>the data link layer (DLL) of SDTC;<\/p>\n<\/li>\n<li>\n<p>the application layer of SDTC;<\/p>\n<\/li>\n<li>\n<p>SDTC profiles which provide coherent sets of communication tools for applications based on SDTC.<\/p>\n<\/li>\n<\/ul>\n<p>This document provides further information beneficial for the design and development of SDTC equipment.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>4 Abbreviated terms and symbols  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>5 Digital tachograph interrogation <br \/> 5.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>5.2 SDTC protocol stack <br \/> 5.2.1 Simplified OSI layered <br \/> 5.2.2 SDTC L1 <br \/> 5.2.3 SDTC L2 <br \/> 5.2.4 SDTC L7 <br \/> 5.3 SDTC profiles <br \/> 6 Test methods  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Annex A (normative)  SDTC physical layer  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Annex B (normative)  SDTC data link layer  <\/td>\n<\/tr>\n<tr>\n<td><b>61<b><\/td>\n<td>Annex C (normative)  SDTC application layer  <\/td>\n<\/tr>\n<tr>\n<td><b>64<b><\/td>\n<td>Annex D (normative)  SDTC profiles  <\/td>\n<\/tr>\n<tr>\n<td><b>73<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Intelligent transport systems. Lower layer protocols for usage in the European digital tachograph<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2021<\/td>\n<td>76<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":381706,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[698,2641],"product_tag":[],"class_list":{"0":"post-381698","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-35-240-60","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/381698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/381706"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=381698"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=381698"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=381698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}