Cisco SCE 8000 Installation And Configuration Manual page 157

Chapter 9 Removal and Replacement Procedures
Verify that power is off to the DC circuit connected to the DC-input power supply you are removing.
Step 1
Remove the four screws securing the terminal block cover, and slide the cover off the terminal block.
Step 2
Figure 9-3
Captive installation
Remove the two screws securing each of the cable holder covers, and remove the cable holder covers off
Step 3
the cable holders.
Disconnect the DC-input wires from the terminal block.
Step 4
Always disconnect the DC-input wires in this order:
Positive (+)
•
Negative (—)
•
Ground
•
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Statement 42
Remove the two tie-wraps from the ground cable. If there is a long cable tie securing the cable holders,
Step 5
remove that as well.
Step 6 Loosen the captive installation screws on the power supply. (See
Use both hands to install and remove power supplies. Each PWR-2700-DC DC/4-input power supply
Caution
weighs 19.8 pounds (9.0 kg).
DC-Input Front Panel for 2700-W DC-Input Power Supply
P W R - 2
7 0 0 - D C
/4
-V E -1
-V E -1
-V E -2
-V E -2
screws
IN P U T1
IN P U T2
O K FA N
O U TP U
O K
48 V- 60
O K
V 48 V- 60
FA IL
=4 0A V
=4 0A
A LL FA
S TE N E
P R IO R R S M U
TO O P S T B E
E R A TI FU LL Y
N G TH E N G A
E P O W G E D
E R S U
P P LY
Captive installation
Cisco SCE8000 GBE Installation and Configuration Guide
Removing a DC-Input Power Supply
T
screws
Figure 9-3.)
9-7