Supermicro PWS-406P-1R 1U 400W Redundant Short Depth Power Supply User Manual

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of the Supermicro PWS-406P-1R 1U 400W Redundant Short Depth Power Supply. This power supply is designed for enterprise-level applications requiring high quality, reliability, and power efficiency. It features a 1U form factor, 400W output, and redundant capabilities to ensure continuous system operation.

2. Safety Information

Please read and understand all safety instructions before installing or operating this power supply. Failure to follow these instructions may result in electric shock, fire, or damage to the equipment.

• Qualified Personnel: Installation and servicing should only be performed by qualified service personnel.
• Power Disconnection: Always disconnect the power cord from the AC outlet before installing, removing, or servicing the power supply.
• Grounding: Ensure the power supply is properly grounded to prevent electric shock.
• Ventilation: Do not block ventilation openings. Ensure adequate airflow around the power supply to prevent overheating.
• Moisture: Do not expose the power supply to moisture or operate it in high-humidity environments.
• Overload: Do not overload the power supply beyond its specified wattage.

3. Product Overview

The Supermicro PWS-406P-1R is a 400W redundant power supply designed for 1U server chassis. Its short depth form factor allows for installation in various server configurations. Key features include high efficiency (Platinum/Gold Level), quiet operation, and support for remote monitoring via PMBus.

An angled view of the Supermicro PWS-406P-1R power supply unit, showing its compact form factor, ventilation grille, power input connector, and product label with specifications and certifications.

4. Setup and Installation

This power supply is typically installed in a compatible 1U server chassis that supports redundant power supply units. Refer to your server chassis manual for specific installation instructions.

1. Preparation: Ensure the server system is powered off and disconnected from all power sources.
2. Locate Bay: Identify the designated power supply bay in your server chassis.
3. Insert PSU: Carefully slide the PWS-406P-1R power supply into the bay until it clicks securely into place. For redundant configurations, install a second identical unit.
4. Connect Power: Connect the AC power cord to the power supply's input connector and then to a grounded AC outlet.
5. Power On: Power on the server system and verify that the power supply status indicators are normal.

Note: This power supply is hot-swappable, meaning it can be replaced or added while the system is running, provided the other redundant power supply is operational and the system supports hot-swapping.

5. Operating Instructions

Once installed, the Supermicro PWS-406P-1R operates automatically. The primary function is to convert AC power from the wall outlet into stable DC power for the server components.

• Status Indicators: Observe the LED indicators on the power supply. Typically, a green LED indicates normal operation, while an amber or red LED may indicate a fault or standby mode. Refer to your server's documentation for specific LED interpretations.
• Redundancy: In a redundant configuration, if one power supply fails, the other unit(s) will seamlessly take over the full load, ensuring continuous system uptime.
• Remote Monitoring: If your server system supports PMBus, the power supply's status, voltage, current, and temperature can be monitored remotely via management software.

6. Maintenance

The Supermicro PWS-406P-1R is designed for high reliability and requires minimal maintenance. However, periodic checks can help ensure optimal performance and longevity.

• Visual Inspection: Periodically inspect the power supply and its connectors for any signs of damage, loose connections, or excessive dust accumulation.
• Cleaning: If dust accumulates on the fan or vents, gently clean it using compressed air. Ensure the system is powered off and unplugged before cleaning. Do not use liquid cleaners.
• Firmware Updates: While power supplies typically do not require frequent firmware updates, consult your server manufacturer's documentation for any recommended updates related to power management.

7. Troubleshooting

If you encounter issues with your power supply, consider the following troubleshooting steps:

• No Power:
  • Verify the AC power cord is securely connected to both the power supply and the wall outlet.
  • Check the wall outlet for power by plugging in another device.
  • Ensure the server's power button is functioning correctly.
• Faulty LED Indicator:
  • If an amber or red LED is illuminated, it indicates a potential fault. If in a redundant configuration, the other power supply should be maintaining system operation.
  • Attempt to reseat the power supply unit.
  • If the issue persists, the power supply may need replacement.
• System Instability/Unexpected Shutdowns:
  • Ensure the power supply is adequately rated for the total power consumption of your server components.
  • Check for proper ventilation to prevent overheating.
  • If you have multiple power supplies, test them individually if possible to isolate the faulty unit.

For persistent issues, contact Supermicro technical support or your system integrator.

8. Specifications

9. Warranty and Support

Warranty information for the Supermicro PWS-406P-1R power supply is typically provided by the vendor or system integrator from whom the product was purchased. Please refer to your purchase documentation for specific warranty terms and conditions.

For technical support, please contact your Supermicro reseller or the Supermicro official support channels. Ensure you have your product model number (PWS-406P-1R) and any relevant system information available when seeking assistance.