{"id":239522,"date":"2024-10-19T15:40:08","date_gmt":"2024-10-19T15:40:08","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-217922019\/"},"modified":"2024-10-25T10:22:28","modified_gmt":"2024-10-25T10:22:28","slug":"bs-iso-217922019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-217922019\/","title":{"rendered":"BS ISO 21792:2019"},"content":{"rendered":"<p>This document provides general and specific recommendations related to the quality of communication, connectivity, installation, performance and maintenance of onboard telephone equipment, including automatic telephones, common battery telephones, battery-less telephones and sound-powered telephones.<\/p>\n<p>It also specifies requirements for the related performance tests (shop tests and onsite tests) and for the maintenance tests.<\/p>\n<p>It is not applicable to digital telephones, LAN (VoIP) telephones, and wireless telephones.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE\n <\/div>\n<p>These telephones are excluded because they were under development during the elaboration of this document so that their specifications remained to be determined.<\/p>\n<\/div>\n<p><span class=\"xref\">Table 1<\/span> further illustrates the applicability of this document.<\/p>\n<div class=\"table-wrap\" id=\"tab_1\">\n<div class=\"table-label\">\n  Table 1\n <\/div>\n<div class=\"table-title\">\n  Applicability of this document\n <\/div>\n<div class=\"table-wrap-foot\">\n<div class=\"fn\">\n<p>X: covered in this document.<\/p>\n<\/p><\/div>\n<div class=\"fn\">\n<p>n.a.: not applicable.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\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>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>8<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 <br \/> 3.1 Types of telephones  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4 General characteristics <br \/> 4.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4.2 Automatic telephones  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>4.3 Common battery telephones <br \/> 4.4 Battery-less telephones <br \/> 4.5 Sound-powered telephones <br \/> 5 Quality <br \/> 5.1 General <br \/> 5.2 Measures to prevent howling  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5.3 Measures to suppress noise <br \/> 6 Data recommendations \u2014 Automatic telephones <br \/> 6.1 General <br \/> 6.2 Multifunction telephones <br \/> 6.2.1 Signal condition <br \/> 6.3 Analog telephone <br \/> 6.3.1 Signal condition  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>6.3.2 Output signal <br \/> 6.3.3 Input signal <br \/> 6.4 Connection to external communication equipment <br \/> 6.4.1 Signal condition <br \/> 6.4.2 Output signal <br \/> 6.4.3 Input signal <br \/> 7 Installation <br \/> 7.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7.2 Environment <br \/> 7.2.1 Temperature <br \/> 7.2.2 Vibration and swinging motion <br \/> 7.2.3 Dust and water protection <br \/> 7.3 Explosion protection <br \/> 7.4 Cabling  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>8 Performance tests <br \/> 8.1 General <br \/> 8.2 Shop test  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>8.3 Onsite test <br \/> 8.3.1 General <br \/> 8.3.2 Automatic telephones  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>8.3.3 Common battery telephones, battery-less telephones and sound-powered telephones  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>9 Maintenance <br \/> 9.1 General <br \/> 9.2 Routine maintenance <br \/> 9.3 Periodic maintenance <br \/> 9.3.1 Method  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>9.3.2 Measures against corrosion <br \/> 9.4 Periodic maintenance programme and procedures <br \/> 9.4.1 Automatic telephones  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>9.4.2 Common battery telephones, battery-less telephones and sound-powered telephones <br \/> 9.5 Replacement period  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Ships and marine technology. Navigation and ship operations. Guidelines for onboard telephone equipment<\/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>2019<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":239526,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[792,2641],"product_tag":[],"class_list":{"0":"post-239522","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-47-020-70","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\/239522","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\/239526"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=239522"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=239522"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=239522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}