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2.6 System Upgrades
Repeat for additional DC cabling.
Step 8
2.6 System Upgrades
If the installation is an upgrade of a pre-existing system, the following sections give a list of the
procedures needed to upgrade the system:
•
•
•
•
Review the following sections before attempting a system upgrade:
•
•
•
Note
Some upgrade connections may require access to the rear of the system. If rear access is not available,
all rear connections are required to have a service loop that allows the 1 RU Distribution Shelf to be
pulled out (after unscrewing the cabinet/mounting screws) to allow for access. For information on
removing the 1 RU Distribution Shelf see
2.6.1 GMT Fuses
To add fuses to the GMT fuse block, see the
page
2.6.2 Small to Medium System Upgrade
To upgrade a small system (2 rectifiers, no 1 RU Distribution Shelf) to a medium system (3 rectifiers, 1
RU Distribution Shelf with 2 circuit breakers), use the following sections:
•
•
•
•
•
•
Cisco AC/DC Power System User Guide, R1.0
2-28
2.6.1 GMT Fuses, page 2-28
2.6.2 Small to Medium System Upgrade, page 2-28
2.6.3 Medium to Large System Upgrade, page 2-29
2.6.4 Small to Large System Upgrade, page 2-29
2.1.1 Ground Symbol, page 2-1
2.1.2 Tools Required, page 2-1
2.1.4 Installation Materials, page 2-2
2-25.
2.2.2 Install the 1 RU Distribution Shelf, page 2-6
2.2.2.1 Install the Communications Cabling (Optional), page 2-7
2.2.2.2 Install the DC Power Cabling (Optional), page 2-8
2.2.3.3 Install the 1 RU Distribution Shelf Ground, page 2-11
2.3.1 Install the Rectifiers, page 2-16
2.5.2 Install 1 RU Distribution Shelf Load Connections, page 2-26
3.2.1 Replace the 1 RU Distribution Shelf, page
"2.5.1 Install GMT Fuse Connections" procedure on
Chapter 2
System Installation
3-1.
May 2006
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