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Automated main distribution frame
open-in-new
<h2 id="see-also">See also</h2> <ul><li><a href="/facts/Digital_cross-connect_system/6eNzg8wM">Digital cross-connect system</a></li> <li><a href="/facts/Loop_management_system/9Bf7TjGo">Loop management system</a></li></ul>