Cisco SCE8000 GBE Installation And Configuration Manual page 147

Chapter 9 Removal and Replacement Procedures
You must always connect the PWR-2700-DC/4 power supply ground.
Warning
You must connect the PWR-2700-DC/4 power supply ground for both power supplies.
Note
Note If you intend to use an additional system (earth ground), ensure that the system ground connection has
been made. For ground connection installation instructions, see
page 4-20.
Remove the plastic bag attached to the front panel and put aside. This bag contains two plastic terminal
Step 2
block barriers, two cable ties, and two cable holder covers.
Verify that power is off to the DC circuit connected to the power supply you are installing. Grasp both
Step 3
power supply handles, as shown in
sure that the power supply is fully seated in the bay.
Step 4 Tighten the power supply captive installation screws.
Power supply captive installation screws must be tight to ensure protective grounding continuity.
Warning
As the power requirement of the SCE8000 GBE will not exceed 1350W, it is not necessary to connect
Note
two pairs of input wires to each power supply. Should it be desired to connect two pairs of input wires,
both pairs of input wires for one 2700W DC-input power supply must come from the same battery
system (A feed); and both pairs of input wires for the other power supply must come from another battery
system (B feed).
For multiple DC input power supply, each DC input must be protected by dedicated circuit breaker or
Note
fuse. The circuit breaker or fuse should be sized according to the power supply input rating and local or
national electrical code requirements.
Remove the four screws securing the terminal block cover, and slide the cover off of the terminal block
Step 5
while refering to
OL-19897-02
Figure 9-4. Slide the power supply into the power supply bay. Make
Figure 9-5 and Table 9-1.
Removing and Replacing the Power Supply
Connecting the System Ground,
Cisco SCE8000 GBE Installation and Configuration Guide
9-9