outlet is turned off automatically. To reset the circuit breaker, firmly press
the breaker pole until it locks into place.
Note:
To manually disconnect power to a device that is connected to the
PDU, disconnect the device power cord from the PDU power outlet.
Input power connector
Connect a power cord to this connector.
Note:
Some PDU models come with an attached power cord.
Power outlets
You can connect a device to each power outlet. There are either six or 12
power outlets on the front of the PDU, depending on the PDU model.
Note:
There are three C13 power outlets on the rear of the DPI C19 PDU+
and the DPI C19 3-Phase PDU+ models.
Operation mode DIP switch
Use the switch to set the mode of operation for the PDU. The default mode
is S1 off, S2 off for normal operation.
1=Off, 2=Off
The PDU will run normal operational firmware.
1=On, 2=On
The PDU will start in diagnostics mode.
1=On, 2=Off
Serial upgrade mode. You can upgrade the PDU firmware from the
serial connection if the network upgrade is not available.
1=Off 2=On
Read-only mode. The device will run normal operational firmware,
but no parameters of the device can be changed by a user.
RJ-45 console connector
Connect the DB9-to-RJ-45 cable that comes with the PDU to this connector
and to the serial (COM) connector on a workstation or notebook computer,
and use the workstation or notebook computer as a configuration console.
You can also connect an environmental monitoring probe to this connector.
The environmental monitoring probe monitors humidity and temperature.
The connection of an environmental monitoring probe is automatically
detected.
Green LED (on the left in a horizontal orientation; on the top in a vertical
orientation):
v
This LED is lit when the power to the PDU is turned on.
v
This LED flashes while the PDU is starting to indicate startup status.
Amber LED (on the right in a horizontal orientation; on the bottom in a
vertical orientation):
v
This LED flashes while the PDU is communicating with a server or
computer or when it is reading data from an environmental monitoring
probe.
Chapter 1. Introduction
7
