Installing A Dc-Input Power Supply - Cisco SCE8000 GBE Installation And Configuration Manual

Removing and Replacing the Power Supply
Caution Use both hands to install and remove power supplies. Each PWR-2700-DC DC/4-input power supply
weighs 19.8 pounds (9.0 kg).
Step 7 Grasp both power supply handles, as shown in
the chassis.
Figure 9-4 Handling a DC-Input Power Supply
P W R -2
7 0 0 -D C
/4
Power Supply 1

Installing a DC-Input Power Supply

This section covers the DC-input power supply installation procedure for the Cisco SCE8000 GBE
chassis.
The DC return is to remain isolated from the system frame and chassis (DC-I).
Note
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Power supply ground is required. Install the PWR-2700-DC/4 power supply ground as described in this
Step 1
procedure.
The system ground connection with the PWR-2700-DC/4 power supply in a Cisco SCE8000 GBE is
Note
provided by the PWR-2700-DC/4 power supply ground. Additionally, you can connect a system (earth)
ground.
Cisco SCE8000 GBE Installation and Configuration Guide
9-8
Power Supply 2
(redundant)
P W R -2
7 0 0 -D C
/4
+V E- 1
-V E- 1
+V E- 2
-V E- 2
AL L FA
ST EN ER
PR IO R S MU ST
TO OP BE FU
ER AT ING
LL Y EN
TH E PO
WE R SU
+V E- 1
INP UT
1
INP UT
2
+V E- 1 OK FA N
OU TP UT
48 V-6 0V OK
OK
-V E- 1 48 V-6 0V
FA IL
=4 0A
=4 0A
-V E- 1
+V E- 2
+V E- 2
-V E- 2
-V E- 2
AL L FA
ST EN ER
PR IO R S MU ST
TO OP BE FU
ER AT ING
LL Y EN
TH E PO GA GE
WE R SU D
PP LY
Figure 9-4, and slide the power supply completely out of
INP UT
+V E- 1
1 INP UT
OK 2 FA N
OU TP UT
OK
48 V-6 0V OK
48 V-6 0V
FA IL
=4 0A
=4 0A
-V E- 1
+V E- 2
-V E- 2
GA GE
D
PP LY
Chapter 9 Removal and Replacement Procedures
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