{"id":247986,"date":"2024-10-19T16:19:52","date_gmt":"2024-10-19T16:19:52","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60793-2-502016\/"},"modified":"2024-10-25T11:28:15","modified_gmt":"2024-10-25T11:28:15","slug":"bs-en-60793-2-502016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60793-2-502016\/","title":{"rendered":"BS EN 60793-2-50:2016"},"content":{"rendered":"<p>This part of <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60793<\/span> <\/span> is applicable to optical fibre categories B1.1, B1.2, B1.3, B2, B4, B5 and B6. A map illustrating the connection of IEC designations to ITU\u2011T designations is shown in <span class=\"xref\">Annex&nbsp;I<\/span>. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables.<\/p>\n<p>Three types of requirements apply to these fibres:<\/p>\n<ul>\n<li>\n<p>general requirements, as defined in <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60793\u20112<\/span> <\/span>;<\/p>\n<\/li>\n<li>\n<p>specific requirements common to the class B single-mode fibres covered in this standard and which are given in <span class=\"xref\">Clause&nbsp;5<\/span>;<\/p>\n<\/li>\n<li>\n<p>particular requirements applicable to individual fibre categories or specific applications, which are defined in <span class=\"xref\">Annexes&nbsp;A<\/span> to <span class=\"xref\">G<\/span>.<\/p>\n<\/li>\n<\/ul>\n<p>For some fibre categories (shown in the relevant family specifications), there are subcategories that are distinguished on the basis of difference in transmission attribute specifications. The designations for these sub-categories are documented in the individual family specifications.<\/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>4<b><\/td>\n<td>European foreword <br \/> Endorsement notice  <\/td>\n<\/tr>\n<tr>\n<td><b>5<b><\/td>\n<td>Annex ZA (normative)  Normative references to international publications with their corresponding European publications  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>1 Scope <br \/> 2 Normative references  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>4 Abbreviations and symbols <br \/> 5 Specifications <br \/> 5.1 General <br \/> 5.2 Dimensional requirements <br \/> Tables  <br \/> Table 1 \u2013 Dimensional attributes and measurement methods  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>5.3 Mechanical requirements <br \/> Table 2 \u2013 Dimensional requirements common to all category B fibres <br \/> Table 3 \u2013 Mechanical attributes and test methods  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>5.4 Transmission requirements <br \/> Table 4 \u2013 Mechanical requirements common to all class B fibres <br \/> Table 5 \u2013 Transmission attributes and measurement methods  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>5.5 Environmental requirements <br \/> 5.5.1 General <br \/> Table 6 \u2013 Transmission, requirements common to all class B fibres <br \/> Table 7 \u2013 Additional transmission attributes required in the family specifications <br \/> Table 8 \u2013 Environmental exposure tests <br \/> Table 9 \u2013 Attributes measured in environmental exposure tests  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>5.5.2 Optical environmental requirements \u2013 Attenuation <br \/> 5.5.3 Mechanical environmental requirements <br \/> Table 10 \u2013 Change in attenuation for environmental tests <br \/> Table 11 \u2013 Coating strip force for environmental tests <br \/> Table 12 \u2013 Tensile strength for environmental tests   <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Table 13 \u2013 Stress corrosion susceptibility for environmental tests  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>Annexes  <br \/> Annex A (normative) Family specification for category B1.1 single-mode fibres <br \/> A.1 General <br \/> A.2 Dimensional requirements <br \/> A.3 Mechanical requirements <br \/> Table A.1 \u2013 Dimensional requirements specific to category B1.1 fibres <br \/> Table A.2 \u2013 Mechanical requirements specific to category B1.1 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>A.4 Transmission requirements <br \/> A.5 Environmental requirements <br \/> Table A.3 \u2013 Transmission requirements specific to category B1.1 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex B (normative) Family specification for category B1.2 single-mode fibres <br \/> B.1 General <br \/> B.2 Dimensional requirements <br \/> B.3 Mechanical requirements <br \/> Table B.1 \u2013 Dimensional requirements specific to category B1.2 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>B.4 Transmission requirements <br \/> B.5 Environmental requirements <br \/> Table B.2 \u2013 Mechanical requirements specific to category B1.2 fibres <br \/> Table B.3 \u2013 Transmission requirements specific to category B1.2 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Annex C (normative) Family specification for category B1.3 single-mode fibres <br \/> C.1 General <br \/> C.2 Dimensional requirements <br \/> C.3 Mechanical requirements <br \/> Table C.1 \u2013 Dimensional requirements specific to category B1.3 fibres <br \/> Table C.2 \u2013 Mechanical requirements specific to category B1.3 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>C.4 Transmission requirements <br \/> C.5 Hydrogen ageing for category B1.3  <br \/> Table C.3 \u2013 Transmission requirements specific to category B1.3 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>C.6 Environmental requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Annex D (normative) Family specification for category B2 single-mode fibres <br \/> D.1 General <br \/> D.2 Dimensional requirements <br \/> D.3 Mechanical requirements <br \/> Table D.1 \u2013 Dimensional requirements specific to category B2 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>D.4 Transmission requirements <br \/> D.4.1 General <br \/> D.4.2 Chromatic dispersion coefficient requirement for sub-category B2_a fibres <br \/> Table D.2 \u2013 Mechanical requirements specific to category B2 fibres <br \/> Table D.3 \u2013 Transmission requirements specific to category B2 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>D.4.3 Chromatic dispersion coefficient requirement for sub-category B2_b fibres <br \/> D.5 Environmental requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Annex E (normative) Family specification for category B4 single-mode fibres <br \/> E.1 General <br \/> E.2 Dimensional requirements <br \/> E.3 Mechanical requirements <br \/> Table E.1 \u2013 Dimensional requirements specific to category B4 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>E.4 Transmission requirements <br \/> E.4.1 General <br \/> E.4.2 Chromatic dispersion coefficient limits for sub-category B4_c fibres <br \/> Table E.2 \u2013 Mechanical requirements specific to category B4 fibres <br \/> Table E.3 \u2013 Transmission requirements specific to category B4 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>E.4.3 Chromatic dispersion coefficient limits for sub-category B4_d fibres <br \/> E.4.4 Chromatic dispersion coefficient limits for sub-category B4_e fibres <br \/> E.5 Environmental requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>Annex F (normative) Family specification for category B5 single-mode fibres <br \/> F.1 General <br \/> F.2 Dimensional requirements <br \/> F.3 Mechanical requirements <br \/> Table F.1 \u2013 Dimensional requirements specific to category B5 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>34<b><\/td>\n<td>F.4 Transmission requirements <br \/> F.4.1 General <br \/> F.4.2 Chromatic dispersion coefficient for category B5 fibres <br \/> Table F.2 \u2013 Mechanical requirements specific to category B5 fibres <br \/> Table F.3 \u2013 Transmission requirements specific to category B5 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>F.5 Environmental requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>Annex G (normative) Family specification for category B6 single-mode fibres <br \/> G.1 General <br \/> G.2 Dimensional requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>37<b><\/td>\n<td>G.3 Mechanical requirements <br \/> G.4 Transmission requirements <br \/> Table G.1 \u2013 Dimensional requirements specific to category B6 fibres <br \/> Table G.2 \u2013 Mechanical requirements specific to category B6 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>38<b><\/td>\n<td>G.5 Environmental requirements <br \/> Table G.3 \u2013 Transmission requirements specific to category B6 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>Annex H (informative) System design information for category B4 single-mode fibres <br \/> H.1 General <br \/> H.2 One standard deviation limits for sub-category B4_d fibres <br \/> Table H.1 \u2013 Examples for (min = 1 530 nm and (max = 1 565 nm  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>H.3 One standard deviation limits for sub-category B4_e fibres <br \/> Figures  <br \/> Figure H.1 \u2013 Sub-category B4_d chromatic dispersion coefficient limits <br \/> Figure H.2 \u2013 Sub-category B4_e chromatic dispersion coefficient limits  <\/td>\n<\/tr>\n<tr>\n<td><b>41<b><\/td>\n<td>Annex I (informative) Map from IEC nomenclature to ITU-T recommendations <br \/> Table I.1 \u2013 Map of IEC to ITU  <\/td>\n<\/tr>\n<tr>\n<td><b>42<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Optical fibres &#8211; Product specifications. Sectional specification for class B single-mode fibres<\/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>2016<\/td>\n<td>44<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":247991,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[649,2641],"product_tag":[],"class_list":{"0":"post-247986","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-33-180-10","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\/247986","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\/247991"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=247986"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=247986"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=247986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}