Black Box 5000 - Manual (Page 51)

CHAPTER 5: Module Installation
49
5.6.4 R EMAINING S PACERS
When finished installing the modules, reinstall any
remaining spacers.
5.6.5 I NSTALLING B LANK B ACK P ANELS
The space above the last module installed must be
filled with blank back panels for the following
reasons:
• To provide a safe unit
• To ensure proper air flow over the modules
• To keep excessive dirt or contamination out of
the unit
•
To be in compliance with radiated emission
standards such as FCC Part 15 and FTZ.
To install, first locate the top side of the panel. The
top side is identified by the dimples on the surface
of the panel (Figure 5-14). Place the blank panel on
the outside of the unit, aligning the two screw holes.
The action of screwing in the screws will bring the
holes into perfect alignment and will cause the
blank back panel to fit snugly against the back panel
beneath it. The screws should be snug but not so
tight as to strip the threads.
Figure 5-13. Reinstalling spacers.
BLANK BACK PANEL
DIMPLES ON TOP OF BACK PANEL
Figure 5-14. Installing a blank panel.