{"id":375190,"date":"2024-10-20T02:42:24","date_gmt":"2024-10-20T02:42:24","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-21806-132021\/"},"modified":"2024-10-26T04:44:02","modified_gmt":"2024-10-26T04:44:02","slug":"bs-iso-21806-132021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-21806-132021\/","title":{"rendered":"BS ISO 21806-13:2021"},"content":{"rendered":"
This document specifies the conformance test plan for the 50-Mbit\/s balanced media physical layer for MOST (MOST50 bPHY), a synchronous time-division-multiplexing network.<\/p>\n
This document specifies the basic conformance test measurement methods, relevant for verifying compatibility of networks, nodes, and MOST components with the requirements specified in ISO 21806-12<\/span><\/span>.<\/p>\n Road vehicles. Media Oriented Systems Transport (MOST) – 50-Mbit\/s balanced media physical layer conformance test plan<\/b><\/p>\nPDF Catalog<\/h4>\n
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\n PDF Pages<\/th>\n PDF Title<\/th>\n<\/tr>\n \n 2<\/td>\n National foreword <\/td>\n<\/tr>\n \n 7<\/td>\n Foreword <\/td>\n<\/tr>\n \n 8<\/td>\n Introduction <\/td>\n<\/tr>\n \n 11<\/td>\n 1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n\n 12<\/td>\n 4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms <\/td>\n<\/tr>\n\n 13<\/td>\n 5 Conventions
6 Operating conditions and measurement tools, requested accuracy
6.1 Operating conditions
6.2 Apparatus \u2014 Measurement tools, requested accuracy
6.2.1 Oscilloscope <\/td>\n<\/tr>\n\n 14<\/td>\n 6.2.2 VNA or TDR (TDR bandwidth \u22653,5 GHz).
6.2.3 Ampere meter
6.2.4 Pattern generator for generating MOST50 bPHY stress pattern
7 Electrical characteristics
8 Balanced media characteristics
8.1 Threshold for detection of alignment and transferred jitter
8.2 RMS signal amplitude <\/td>\n<\/tr>\n\n 15<\/td>\n 8.3 PSD of SP2 output signal <\/td>\n<\/tr>\n \n 17<\/td>\n 8.4 Attenuation of electrical interconnect
8.4.1 General <\/td>\n<\/tr>\n\n 18<\/td>\n 8.4.2 Test procedure general
8.4.3 Example set-up test procedure
8.4.4 Test procedure for data acquisition <\/td>\n<\/tr>\n\n 19<\/td>\n 8.4.5 Impact of attenuation on the data signal <\/td>\n<\/tr>\n \n 20<\/td>\n 8.5 Characteristic impedance of balanced media <\/td>\n<\/tr>\n \n 23<\/td>\n 8.6 RL of PCB interfaces <\/td>\n<\/tr>\n \n 25<\/td>\n 8.7 Receive tolerance
8.7.1 General
8.7.2 Pattern generator <\/td>\n<\/tr>\n\n 26<\/td>\n 8.7.3 Arbitrary signal generator
8.7.4 Cable assembly or its analogue representation
8.7.5 Stimulus creation for SP3 <\/td>\n<\/tr>\n\n 28<\/td>\n 9 Measurement of phase variation
9.1 General <\/td>\n<\/tr>\n\n 30<\/td>\n 9.2 Measuring alignment jitter <\/td>\n<\/tr>\n \n 33<\/td>\n 9.3 Measuring transferred jitter <\/td>\n<\/tr>\n \n 35<\/td>\n 10 Test set-ups
10.1 General
10.2 Set-ups for SP2 link quality <\/td>\n<\/tr>\n\n 37<\/td>\n 10.3 Set-ups for SP3 link quality <\/td>\n<\/tr>\n \n 39<\/td>\n 10.4 Set-ups for SP3 receive tolerance <\/td>\n<\/tr>\n \n 40<\/td>\n 11 Power-on and power-off
11.1 General <\/td>\n<\/tr>\n\n 41<\/td>\n 11.2 Measuring EBC parameters
11.2.1 Measuring EBC parameters \u2013 Test set-up <\/td>\n<\/tr>\n\n 42<\/td>\n 11.2.2 Measuring EBC parameters \u2013 Signal charts <\/td>\n<\/tr>\n \n 43<\/td>\n 11.2.3 Measuring EBC parameters \u2013 Test sequences <\/td>\n<\/tr>\n \n 45<\/td>\n 11.3 Measuring BEC parameters
11.3.1 Measuring BEC parameters \u2013 Test set-up <\/td>\n<\/tr>\n\n 47<\/td>\n 11.3.2 Measuring BEC parameters \u2013 Signal chart
11.3.3 Measuring BEC parameters \u2013 Test sequences <\/td>\n<\/tr>\n\n 50<\/td>\n 12 Detecting bit rate (frequency reference)
13 System performance
13.1 General <\/td>\n<\/tr>\n\n 51<\/td>\n 13.2 SP3 receiver tolerance
13.3 TimingMaster delay tolerance <\/td>\n<\/tr>\n\n 54<\/td>\n 14 Conformance test of 50-Mbit\/s balanced media physical layer
14.1 Location of interfaces
14.2 Control signals <\/td>\n<\/tr>\n\n 55<\/td>\n 14.3 Limited access to specification points
14.4 Parameter overview
15 Limited physical layer conformance
15.1 Overview <\/td>\n<\/tr>\n\n 56<\/td>\n 15.2 Test set-up <\/td>\n<\/tr>\n \n 57<\/td>\n 15.3 Generating test signals for the IUT input section SP3
15.4 Analysis of test results
15.5 Test flow overview <\/td>\n<\/tr>\n\n 58<\/td>\n 15.6 Measurement of SP3 input signal of the IUT <\/td>\n<\/tr>\n \n 59<\/td>\n 15.7 Measurement of SP2 output signal of the IUT
15.8 Measurement of RL
15.9 Functional test of wake-up and shutdown <\/td>\n<\/tr>\n\n 60<\/td>\n 16 Direct physical measuring accuracy <\/td>\n<\/tr>\n \n 61<\/td>\n Annex A (informative) Limited physical layer conformance for development tools <\/td>\n<\/tr>\n \n 62<\/td>\n Annex B (normative) SP3 stress conditions <\/td>\n<\/tr>\n \n 63<\/td>\n Annex C (informative) Test fixture <\/td>\n<\/tr>\n \n 66<\/td>\n Annex D (informative) Overview on test modes <\/td>\n<\/tr>\n \n 67<\/td>\n Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" \n\n
\n Published By<\/td>\n Publication Date<\/td>\n Number of Pages<\/td>\n<\/tr>\n \n BSI<\/b><\/a><\/td>\n 2021<\/td>\n 68<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":375200,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[742,2641],"product_tag":[],"class_list":{"0":"post-375190","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-43-040-15","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\/375190","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\/375200"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=375190"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=375190"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=375190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}