{"id":1082,"date":"2013-03-12T11:17:41","date_gmt":"2013-03-12T07:17:41","guid":{"rendered":"https:\/\/mpc-oman.com\/?page_id=1082"},"modified":"2013-03-12T11:17:41","modified_gmt":"2013-03-12T07:17:41","slug":"bi-directional-loss-using-two-automated-bi-directional-lts-and-two-people","status":"publish","type":"page","link":"https:\/\/mpc-oman.com\/?page_id=1082","title":{"rendered":"Bi-directional loss using two automated bi-directional LTS and two people"},"content":{"rendered":"<h1><strong>10F: <\/strong>Bi-directional Loss &amp; ORL Measurement<br \/>\n<sup>Using a Pair of Two-way LTS<\/sup><\/h1>\n<div align=\"right\">Written by Bruce Roberson 97-03. \u00a9 Kingfisher International<\/div>\n<h2><a href=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/10E-FOTP-Bi-Directional.aspx\"><img decoding=\"async\" alt=\"prev\" src=\"http:\/\/www.kingfisherfiber.com\/images\/icons\/os\/previous_16x16.gif\" align=\"middle\" border=\"0\" \/><\/a><a> <img decoding=\"async\" alt=\"add to favourites\" src=\"http:\/\/www.kingfisherfiber.com\/images\/icons\/os\/fav_16x16.gif\" align=\"middle\" border=\"0\" \/> <\/a> <a><img decoding=\"async\" alt=\"print\" src=\"http:\/\/www.kingfisherfiber.com\/images\/icons\/printer\/printer.gif\" align=\"middle\" border=\"0\" \/> <\/a> <a href=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/10G-FOTP-CPR-Method.aspx\"><img decoding=\"async\" alt=\"next\" src=\"http:\/\/www.kingfisherfiber.com\/images\/icons\/os\/next_16x16.gif\" align=\"middle\" border=\"0\" \/><\/a> Introduction<\/h2>\n<p>This method is the fastest and most accurate method for any link. The method of operation is a simplified version of Example 3:<\/p>\n<ul>\n<li>A <a href=\"http:\/\/www.kingfisherfiber.com\/Loss-Test-Set-ORL.aspx\">bi-directional LTS<\/a> is required at each end.<\/li>\n<li>Each instrument is referenced to itself, which is best done just before the measurement. This greatly reduces the problem of source drift, battery life, etc.<\/li>\n<li>The bi-directional dual wavelength measurement takes about the same time as a single direction, single wavelength measurement using previous generation instruments.<\/li>\n<li>The averaged link loss results are displayed directly on both instruments. If dual wavelength LTS are used, both values are displayed. No operator calculation is required.<\/li>\n<li>If the <a href=\"http:\/\/www.kingfisherfiber.com\/Fiber-Optic-Test-Equipment\/KI7340-Two-Way-Tester\/7340-Two-Way-Loss-Tester.aspx\"> appropriate LTS<\/a> is used, the return loss from each end is also automatically measured.<\/li>\n<li>If the <a href=\"http:\/\/www.kingfisherfiber.com\/Fiber-Optic-Test-Equipment\/Kits-Software\/Kits-Reporting-Software.aspx\">KITS\u2122<\/a> program is used, the measurement is clicked directly into the user report<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Light Source and Power Meter Procedure\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/Images\/Bi-Directional-Loss-Test-Method.jpg\" \/><\/p>\n<h2>Key<\/h2>\n<table border=\"0\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" alt=\"Fiber Link to test\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/images\/PIC17.JPG\" \/><\/td>\n<td>Connectorised link<\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" alt=\"Optical Test Cordage\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/images\/PIC18.JPG\" \/><\/td>\n<td>Patch Cord<\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" alt=\"Optical through connector\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/images\/PIC19.JPG\" \/><\/td>\n<td>Through adaptor<\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" alt=\"Optical light source for loss testing\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/images\/PIC20.JPG\" \/><\/td>\n<td><a href=\"http:\/\/www.kingfisherfiber.com\/Optical-Light-Source.aspx\">Source<\/a>, incl. mandrel wrap if multimode<\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" alt=\"opical testing meter\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/images\/PIC21.JPG\" \/><\/td>\n<td><a href=\"http:\/\/www.kingfisherfiber.com\/Optical-Power-Meter.aspx\">Meter<\/a><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" alt=\"system under test\" src=\"http:\/\/www.kingfisherfiber.com\/Application-Notes\/images\/PIC24.jpg\" \/><\/td>\n<td>DUT Device Under Test (system being tested)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><i>[instructions on use of the relative mode are in italics] <\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>10F: Bi-directional Loss &amp; ORL Measurement Using a Pair of Two-way LTS Written by Bruce Roberson 97-03. \u00a9 Kingfisher International Introduction This method is the fastest and most accurate method for any link. The method of operation is a simplified version of Example 3: A bi-directional LTS is required at each end. Each instrument is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1065,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/pages\/1082"}],"collection":[{"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mpc-oman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1082"}],"version-history":[{"count":2,"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/pages\/1082\/revisions"}],"predecessor-version":[{"id":1087,"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/pages\/1082\/revisions\/1087"}],"up":[{"embeddable":true,"href":"https:\/\/mpc-oman.com\/index.php?rest_route=\/wp\/v2\/pages\/1065"}],"wp:attachment":[{"href":"https:\/\/mpc-oman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}