4-26
Catalyst 6500 Series Switches Installation Guide
OL-5781-04
Chapter 4 Removal and Replacement Procedures
Removing and Installing the DC-Input Power Supplies
Figure 4-18 DC-Input Front Panel for 2700-W DC-Input Power Supply
Step 3
Remove the two screws securing each of the cable holder covers, and remove the cable holder covers off
the cable holders. (See Figure 4-19.)
Step 4 Disconnect the DC-input wires from the terminal block (Figure 4-19) in this order:
• Positive (+)
• Negative (-)
• Ground
Step 5 Remove the two tie-wraps from the ground cable. If there is a long cable tie-wrap securing the cable
holders as shown in Figure 4-18, remove that as well.
Warning
When installing the unit, always make the ground connection first and disconnect it last.
Statement 42
Step 6 Loosen the captive installation screws on the power supply. (See Figure 4-18.)
Caution Use both hands to install and remove power supplies. Each PWR-2700-DC/4 DC-input power supply
weighs 19.8 pounds (9.0 kg).
1 Captive installation screw 7 Cable holder cover
2 DC power cable terminal block 8 Cable holder
3 Status LEDs 9 Tie-wrap
4 DC power cable terminal block cover 10 Cable holder
5 Cable holder cover 11 Tie-wrap
6 Ground terminal block
132219
PWR-2700-DC/4
-VE-1
-VE-1
-VE-2
-VE-2
IN
PU
T
1
O
K
48V
-60
V
=40A
IN
PU
T2
O
K
48V
-60V
=40
A
FA
N
OK
O
U
TP
UT
FA
IL
ALL FASTENERS M
UST BE FULLY ENGAG
ED
PRIOR TO OPERATING THE POW
ER SUPPLY
3
2
6
4
10
1
8
5
7
11
9
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