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USER’S GUIDE
Switched Rack PDU
162
Upgrading Firmware: Methods and Tools
Benefits of upgrading firmware
Upgrading the firmware on the Switched Rack PDU has the following
benefits:
• New firmware has the latest bug fixes and performance improvements.
• New features become available for immediate use.
• Keeping the firmware versions consistent across your network ensures
that all Switched Rack PDUs support the same features in the same
manner.
Firmware files (Switched Rack PDU)
A firmware version consists of two modules: An APC Operating System
(AOS) module and an application module.
The APC Operating System (AOS) and application module files used with
the Switched Rack PDU share the same basic format:
apc_hw0x_type_version.bin
• apc: Indicates that this is an APC file.
• hw0x: Identifies the version of the Switched Rack PDU that will run this
binary file.
• type: Identifies whether the file is for the APC Operating System
(AOS) or the application module (APP) for the Switched Rack PDU.
• version: The version number of the application file. For example, a
code of 266 would indicate version 2.6.6.
• bin: Indicates that this is a binary file.