<div class="section abstract"> <div class="htmlview paragraph">This document defines a quantified means of specifying a digital fiber optic link loss budget: <ul class="list disc"> <li class="list-item"> <div class="htmlview paragraph">Between end users and system integrators</div></li> <li class="list-item"> <div class="htmlview paragraph">Between system integrators and subsystem suppliers</div></li> <li class="list-item"> <div class="htmlview paragraph">Between subsystem suppliers and component vendors</div></li></ul></div> <div class="htmlview paragraph">The standard specifies methods and the margin required for categories of links.</div></div>