User`s guide
Switched Rack Power Distribution Unit 8
Display Interface Operation
See “Front Panel” in the “Introduction” of
the User’s Guide for more detailed display
information on single-phase and three-
phase PDUs.
Bank/phase indicator LEDs:
• Indicate the bank/phase corresponding to the
current listed in the digital display.
• Indicate normal (green), warning (yellow), or
alarm (red) condition.
Control button:
• Press to change the bank and phase of the
current displayed on the digital display.
• Press and hold for five seconds to view the
scrolling IP address; hold for an additional five
seconds to change the orientation.
Ethernet port: Connects the PDU to your
network, using a CAT5 network cable.
Status LED: Indicates the status of the Ethernet
Local Area Network (LAN) connection and the
state of the PDU.
• Off–The PDU has no power.
• Solid green–The PDU has valid TCP/IP
settings.
• Flashing green–The PDU does not have valid
TCP/IP settings.
• Solid orange–A hardware failure has been
detected in the PDU. Contact Customer Support
at a phone number on the back cover of this
manual.
• Flashing orange–The PDU is making BOOTP
requests.
Link LED: Indicates whether there is activity on
the network.
Serial port: Access internal menus by connecting
this port (RJ-11 modular port) to a serial port on
your computer, using the supplied serial cable
(APC part number 940-0144).
Display of the current used by the PDU and
attached devices:
• Shows the aggregate current for the bank and
phase corresponding to the Bank/Phase
Indicator LED that is illuminated.
• Cycles through the banks and phases in
3-second intervals.
Reset button: Resets the PDU without affecting
the outlets.










