{"id":422603,"date":"2024-10-20T06:42:00","date_gmt":"2024-10-20T06:42:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-50090-5-22020-2\/"},"modified":"2024-10-26T12:33:31","modified_gmt":"2024-10-26T12:33:31","slug":"bs-en-50090-5-22020-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-50090-5-22020-2\/","title":{"rendered":"BS EN 50090-5-2:2020"},"content":{"rendered":"

This document defines the mandatory and optional requirements for the medium specific physical and data link layer for HBES Class 1 Twisted Pair TP1.<\/p>\n

Data link layer interface and general definitions, which are media independent, are given in EN 50090-4-2.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
9<\/td>\n3 Terms, definitions and abbreviations
3.1 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n3.2 Abbreviations <\/td>\n<\/tr>\n
11<\/td>\n4 Requirements for HBES Class 1, Twisted Pair Type 1 (TP1-64 and TP1-256)
4.1 Physical layer requirements \u2013 Overview <\/td>\n<\/tr>\n
14<\/td>\n4.2 Requirements for analogue bus signals
4.2.1 General
4.2.2 Specification of logical \u201c1\u201d <\/td>\n<\/tr>\n
15<\/td>\n4.2.3 Specification of logical \u201c0\u201d (Single) <\/td>\n<\/tr>\n
16<\/td>\n4.2.4 Specification of logical \u201c0\u201d (overlapping) <\/td>\n<\/tr>\n
17<\/td>\n4.2.5 Analogue requirements within a transmitted character <\/td>\n<\/tr>\n
18<\/td>\n4.2.6 Simultaneous sending \/ collision behaviour
4.3 Medium attachment unit (MAU)
4.3.1 General
4.3.2 Requirements within a physical segment
4.3.2.1 General
4.3.2.2 Power up behaviour <\/td>\n<\/tr>\n
19<\/td>\n4.3.2.3 Power down behaviour
4.3.2.4 DC behaviour
4.3.2.5 Impedance behaviour <\/td>\n<\/tr>\n
20<\/td>\n4.3.2.6 Transmission behaviour <\/td>\n<\/tr>\n
23<\/td>\n4.3.2.7 Receiving behaviour
4.3.2.8 Signal coding <\/td>\n<\/tr>\n
25<\/td>\n4.3.2.9 Signal decoding <\/td>\n<\/tr>\n
26<\/td>\n4.3.3 Remote powered devices (RPD)
4.3.3.1 General
4.3.3.2 Reset and save behaviour of remote power bus device <\/td>\n<\/tr>\n
27<\/td>\n4.4 Twisted Pair Type 1 bus cable
4.4.1 Requirements <\/td>\n<\/tr>\n
28<\/td>\n4.4.2 Measurement of continuous magnetic and electrical interference respectively transient induced differential voltages
4.4.2.1 Test set-up
4.4.2.2 Requirements <\/td>\n<\/tr>\n
29<\/td>\n4.5 Topology
4.5.1 Physical segment )
4.5.2 Bridge <\/td>\n<\/tr>\n
30<\/td>\n4.5.3 Router, subline, main line and zone <\/td>\n<\/tr>\n
31<\/td>\n4.5.4 Gateways to other networks <\/td>\n<\/tr>\n
32<\/td>\n4.6 Services of the physical layer type Twisted Pair Type 1
4.6.1 General
4.6.2 Physical_Data service <\/td>\n<\/tr>\n
34<\/td>\n4.6.3 Physical_Reset service
4.7 Behaviour of the physical layer type Twisted Pair Type 1 entity
4.8 Data link layer type Twisted Pair Type 1
4.8.1 General <\/td>\n<\/tr>\n
35<\/td>\n4.8.2 Frame formats
4.8.2.1 General
4.8.2.2 Control field (CTRL) <\/td>\n<\/tr>\n
36<\/td>\n4.8.2.3 L_Data frame
4.8.2.4 L_Data_Standard frame <\/td>\n<\/tr>\n
37<\/td>\n4.8.2.5 L_Data_Extended frame <\/td>\n<\/tr>\n
39<\/td>\n4.8.2.6 L_Poll_Data frame <\/td>\n<\/tr>\n
40<\/td>\n4.8.2.7 Acknowledge frame
4.8.3 Medium access control
4.8.3.1 General <\/td>\n<\/tr>\n
42<\/td>\n4.8.3.2 Overview: Priority operation algorithm of the medium access control
4.8.3.3 Priority sequence <\/td>\n<\/tr>\n
43<\/td>\n4.8.3.4 Additional requirement: guarantee of access fairness
4.8.4 Data link layer services
4.8.4.1 General
4.8.4.2 L_Data service and protocol <\/td>\n<\/tr>\n
45<\/td>\n4.8.4.3 L_Poll_Data service and protocol <\/td>\n<\/tr>\n
46<\/td>\n4.8.4.4 L_Busmon service
4.8.4.5 L_Service_Information service
4.8.5 Data link layer protocol
4.8.5.1 General
4.8.5.2 Assemble\/Disassemble frame <\/td>\n<\/tr>\n
47<\/td>\n4.8.5.3 Checking for correct request frames
4.8.5.4 Consequences of priority operation and fairness for duplication prevention <\/td>\n<\/tr>\n
48<\/td>\n4.8.6 State machine of data link layer
4.8.7 Parameters of data link layer <\/td>\n<\/tr>\n
49<\/td>\n4.8.8 Reflections on the system behaviour in case of L_Poll_Data configuration faults
4.8.9 The data link layer of a bridge
4.8.10 The data link layer of a router
4.8.11 Externally accessible bus monitor and data link layer interface <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Home and Building Electronic Systems (HBES) – Media and media dependent layers. Network based on HBES Class 1, Twisted Pair<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n52<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":422611,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-422603","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/422603","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\/422611"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=422603"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=422603"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=422603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}