Installing A Dc Pem - Dell Force10 E300 Installing And Maintaining

Installing a DC PEM

Step Task
1
Turn the remote power source (the circuit breaker panel) to the OFF position.
2 Turn the over current protector (located on the PEM front panel) to the OFF position.
3
Loosen the PEM safety cover retaining screw and remove the cover
Figure 5-3. Removing the PEM Safety Cover
MAKE GROUN D
CONNE CTION FIRST
CAUTI ON - Use CAUTI ON - Use
copper copper
conduc tors only conduc tors only
CAUTIO N - Turn off
power source circuit
breaker before accessi
ng termina ls.
ACHTUN G - Ver jeder
Wartung Hauptsc halter
Always replace safety
cover after servicin
g
CAUTIO N - Unit may
have more than one
power
source connecti on.
Remove all supply
Do not unplug while connecti ons
energize d.
749-00 752-00
Step Task (continued)
4
Slide the PEM into power slot 0 or 1
CAUTION:
supply screws. Doing this ensures that each power supply is aligned correctly. Ensure power supplies are properly
aligned prior to engaging the captive screws. Doing this will reduce the likelihood of damaging screws or chassis. It
may be necessary to manually align the power supplies prior to tightening.
If you are only installing one PEM, replace the empty slot with two blank panels. (CC-E300-BLNK-PWR.)
5
Start the two captive screws on each power supply by hand before tightening them all.
CAUTION:
(light torque with a manual screwdriver). Use of power drivers can damage screws or chassis.
(Figure
Fill all four power supply slots with power supplies or filler blanks before tightening the power
Tighten the screws with a #2 Phillips screwdriver. Use no more than five inch-pounds of torque
(Figure
5-2).
5-3).
fn00118ch
Installing Power Modules | 25