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5
Power Supplies
Overview Each FR6822+ frame is equipped with one self-contained 6822+AC power supply unit that
can support an entire frame load. An optional redundant PSU can be ordered separately. If
the frame has two PSUs installed, the load is shared equally during normal operation. Each
6822+AC power supply includes a temperature monitoring sensor. The sensor is installed at
the output of each power supply’s air flow, and generates alarms when the readout
temperature reaches predefined levels.
Each FR6822+(F or QXFE)48 frame is equipped with one self-contained 6800+48V (DC)
power supply unit that can support an entire frame load. An optional redundant PSU can be
ordered separately. If the frame has two PSUs installed, the load is shared equally during
normal operation.
This chapter describes the following topics:
Installing a Power Supply on page 75
Protecting the Power Supply on page 77
Alarm Signals and Indicators on page 77
See Chapter 6, Specifications for PSU specifications.
For information on maximum frame capacity based on AC or DC power supply usage, see
Maximum 6800+ Frame Power Ratings on page 11.
See your Navigator User Manual for information on remotely setting and monitoring power
supply options.
Installing
a Power
Supply
This section describes the following procedures:
Disconnecting and Removing an Existing Power Supply on page 75
Installing a New Power Supply on page 76
Disconnecting and Removing an Existing Power Supply
Note: A redundant 6822+AC or 6800+48V power supply is hot-swappable and can be
replaced without removing power from the remaining power supply.
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