User manual

Table Of Contents
Page 42 of 458 Preparing for installation
NN43021-310 Standard 02.02 October 2008
Figure 3
UEMs identified by function
Card cage
Inside each UEM is a metal card cage. This card cage holds the circuit cards,
power card, and related equipment for that module. UEMs are named for the
function of that card cage.
Card cages are bolted inside the UEM case. Card cages can be removed and
replaced for repairs or upgrades.