The Datavideo PD-4A Power Distributor comes with a redundant power supply, which is a second power supply that provides power just in case the first one fails.
This PD-4A Power Distributor lets you use a single power cord with no additional power supplies for the switcher, processor, and other devices that operate on 12VDC. This power distributor includes two independent AC inputs as well as a DC input for battery backup, offering mission critical reliability for your switcher, recorder, and monitors with this redundant power supply.
Ideal for any installed or Mobile Studio
With two AC power supplies, the PD-4 will still supply energy to your devices, even if one power source fails.
Built-in time delay power-on control to initiate each DC output terminal in sequence