SERVICEABLE COMPONENTS
5-2
2400-31 FEP Maintenance & Support Guide
Revision 1.0, March 2005
5.2.2
Board Installation
Insert the board into the FEP unit opening and align the printed circuit board card edge with the card
guides inside the unit. Care should be taken to insert the board horizontally (as flat as possible) so as
not to interfere with components on the board below or interfere with the underside of the board above.
Fully seat the board by pressing firmly on both ejector handles or pressing at the center of the board's
front panel.
5.3
FAN TRAY REMOVAL AND INSTALLATION
The cooling fans of the FEP are serviceable from the front of the unit. The FEP does NOT have to be
removed from its rack to service the fans.
5.3.1
Fan/Filter Assembly Removal
Follow steps 1 and 2 in Table 4-1 to remove the Fan/Filter assembly. The Fan/Filter assembly is located
on the left side of the unit as shown in Figure 4-1. The Fan/Filer assembly has a finger pull. Pull the fan
tray from the unit.
5.3.2
Fan/Filter Assembly Installation
Align the flanges in the Fan /Filter assembly with its guides after replacing the fan and slide the Fan/
Filter access panel into the unit.
5.4
POWER SUPPLY REMOVAL AND INSTALLATION
The AC power supply has 2 switches for 2 power supplies and the DC power supply has a single switch
for 2 power supplies. The power supplies of the FEP are serviceable from the front of the unit. The FEP
does NOT have to be removed from its rack to service the power supplies. The FEP will operate with
one power supply installed. Since the power supplies are hot swappable, they can be removed or
installed without switching off the power.
5.4.1
Power Supply Removal
The two power supplies of the FEP are located above the boards, at the top of the unit. To remove failed
power supply, loosen the two retaining screws, at either end of the power supply. Eject the power
supply from the FEP by prying outward on the ejector handle. Pull the power supply from the unit.
5.4.2
Power Supply Installation
With the printed circuit board of the power supply aligned with the card guides of the FEP unit, slide the
power supply into the FEP. Fully seat the power supply and tighten the retaining screws.
