What Is a Switched PDU?

A switched PDU (power distribution unit) is an advanced power management device that allows users to remotely control power outlets over a network. Unlike basic PDUs that only distribute power, a switched PDU enables remote on/off control and power cycling of connected devices.

This functionality is essential for data centers, remote offices, and industrial environments where minimizing downtime and maximizing efficiency are top priorities.

What Is the Purpose of a PDU?

First of all, what is a PDU? And what is the function of the PDU?

A power distribution unit (PDU) distributes electric power to multiple devices within a data center, server room, or similar environment. It is the central point for managing and delivering power to essential equipment, ensuring reliable and efficient energy distribution within complex IT environments. From maintaining uptime to optimizing efficiency, PDUs play a vital role in data centers and server rooms. 

Key roles of a PDU include:

1. Power Distribution: The main task of a PDU is to distribute power from a single source to multiple devices, ensuring consistent power delivery.

1. Remote Management (Specific to Switched PDUs): With a switched PDU, you can control individual outlets remotely, which enables quick responses to issues and reduces the need for on-site management.

1. Monitoring and Efficiency: By tracking power usage, monitored PDUs identify potential energy waste, improving resource allocation and reducing overall costs.

1. Surge Protection: Many PDUs include surge protection to safeguard sensitive electronic equipment from unexpected power spikes.

1. Cost Savings: Investing in an advanced PDU will reduce your operational costs in the long run by optimizing power use and minimizing downtime.

What Is the Difference Between a PDU and a Power Cord?

The terms “PDU” and “power cord” are often used interchangeably, but these two pieces of equipment actually serve quite different purposes in managing power infrastructure.

A power cord is a basic component that connects a device to a power source. It delivers electricity, but does nothing more. Power cords are simple, affordable, and ideal for basic setups where no monitoring or control functionalities are necessary.

A PDU, on the other hand, manages and distributes power to multiple devices within a rack or cabinet. PDUs are especially useful in data centers, where multiple servers and IT devices require efficient power management. Unlike power cords and power strips, PDUs are for complex and demanding applications. They offer advanced options for load balancing, monitoring, and surge protection, depending on the type. Their primary role is to ensure reliable power delivery to connected equipment, helping maintain uptime and preventing power-related disruptions.

Switched PDUs take this functionality further by allowing administrators to remotely control individual power outlets. This feature makes them invaluable for larger infrastructures that require detailed power monitoring and management.

For a deeper understanding, check out our managed power distribution unit page.

Power Distribution Unit Price

For organizations looking to improve their energy efficiency and ensure long-term reliability of their IT infrastructure, PDUs are essential tools. However, they are available at a wide range of prices, depending on factors like the kind of PDU and its features. Calculate the cost savings you’ll gain to determine what you can afford as an initial investment.

How Do You Reset a Switched Rack PDU?

Switched PDUs allow remote and manual control over individual outlets. Resetting a switched PDU is a straightforward process, but it’s essential to ensure you’re following the correct procedure to minimize disruptions to the connected devices.

This quick step-by-step guide will help you reset a switched rack PDU:

1. Locate the Switched PDU in the Network: Use your PDU’s web-based interface or integrated network dashboard to identify the device you want to reset. These systems typically have clear labeling to make identification easy.

1. Access the Specific Outlet: Switched PDUs, unlike simple units, allow you to access and toggle specific outlets without cutting off power to the entire PDU. Navigate to the relevant outlet in the interface.

1. Switch Off the Outlet: Select the outlet connected to the device you wish to power cycle and turn it off remotely.

1. Wait a Few Seconds: Pause for five to 10 seconds before switching the outlet back on. This will ensure the connected device receives a clean power restart.

1. Turn the Outlet On: Power the outlet back on via the management interface, checking that the connected device is now operating normally.

Power Control Made Simple

Switched PDUs are a must-have for data centers and IT setups requiring advanced features like individual outlet control and power monitoring. Their capability to streamline power management, reduce energy costs, and enhance uptime makes them indispensable in any complex IT environment.

For more insights into power management, explore our comprehensive managed power distribution unit and switched PDU pages. Whether you’re evaluating your current power setup or planning for future needs, investing in the right PDU will transform your operations.

Take action today—optimize your power management with cutting-edge switched PDUs!