FUSION USER AND
MAINTENANCE
Version: 1.0
Page: 10 of 49
Hinterbergstrasse 15
CH-6330 Cham
FTD-078
1.2.2 Terminology
The words shall and must are used to indicate a mandatory requirement.
The word should is used to indicate a recommendation, meaning that there may
exist valid reasons in particular circumstances not to follow a specific item, but the
full implications must be understood and carefully weighed before choosing a
different course.
The word may is used to indicate that an item is truly optional.
1.3 Housing
1.3.1 Connections and Cabling