Removing And Installing The 2700 W Dc-Input Power Supply - Cisco 6503 - Catalyst Firewall Security Sys Installation Manual
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Chapter 4
Removal and Replacement Procedures
Removing and Installing the 2700 W DC-Input Power Supply
This section covers the power supply removal and installation procedures for the 2700 W DC-input
power supply on the Catalyst 6504-E chassis and is divided into the following topics:
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•
•
The 2700 W DC-input power supply can operate at either 1350 W or at 2700 W. If you want to operate
the power supply at 1350 W, you only need to connect one pair of source DC cables to either the VE-1
or the VE-2 pair of posts on the power supply terminal block. If you want to operate the power supply
at 2700 W, you need to connect two pairs of source DC cables to the VE-1 and the VE-2 pairs of posts
on the power supply terminal block.
For proper 2700 W DC-input redundant power configurations, all of the source DC for one 2700 W
Note
DC-input power supply must come from the same battery system (A feed); all of the source DC for the
other 2700 W DC-input power supply must come from another battery system (B feed).
For multiple DC-input power supplies, each DC input must be protected by a dedicated circuit breaker
Note
or a fuse. The circuit breaker or fuse must be sized according to the power supply input rating and the
local or national electrical code requirements.
Figure 4-18
operation with the installation components identified.
This illustration shows the source DC cables and the ground cable routed into the power supply from the
Note
right side. Two pairs of source DC cables are shown indicating that the power supply is operating at
2700 W. The source DC cables and the ground cable can also be routed out of the left-side of the power
supply, if necessary.
Use this illustration as a reference for identifying components when removing or installing the power
supply.
OL-5781-08
Required Tools, page 4-28
Removing a 2700 W DC-Input Power Supply, page 4-29
Installing a 2700 W DC-Input Power Supply, page 4-32
shows a 2700 W DC-input power supply (p/n PWR-2700-DC/4) cabled for 2700 W
Removing and Installing the DC-Input Power Supplies
Catalyst 6500 Series Switches Installation Guide
4-27
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