Catalyst 6500 Series Switches Installation Guide - Ipland

Removing and Installing the DC-Input Power Supplies
Chapter 4
Removal and Replacement Procedures
Note
For multiple DC input power supply, each DC input must be protected by dedicated circuit
breaker or fuse. The circuit breaker or fuse should be sized according to the power supply input
rating and local or national electrical code requirements.
Step 10
Wire for 4500 W (right side of power supply bay) as follows:
a. From the right side of the power supply, connect the ground wire to the ground (see Figure 4-52).
Figure 4-52
DC-Input Wire Connections for 4000-W DC-Input Power Supply, Right Side of Power
Bay
Terminal
block cover
Input power
module
Power
switch
RUN
INSTALL
CISCO SYSTEMS, INC
1 2 3 4
INPUT OK
FAN
OK
OUTPUT
FAIL
Power leads
attached to
terminal block
( - ) Negative
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
(+) Positive
Captive
installation
screw
( ) Ground
191291
b. \From the right side of the power supply, connect each of the DC-input wires to the right power
supply terminal block (see Figure 4-47 and Figure 4-52) in this order:
Negative (-)
Positive (+)
Note
When you tighten the terminal nuts, make sure they are snug. Do not over tighten them.
Recommended torque strength is 20 inch-pounds. Over tightening the terminal nuts can
break the terminal block (Maximum torque: 36 inch-pounds).
c. Secure outer block cover.
4-72
Catalyst 6500 Series Switches Installation Guide
OL-5781-08