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The SBC 2000 system comes equipped with either a single power supply, or dual redundant power supplies. These are Customer Replaceable Units (CRU). For more information on Power Supply specifications, refer to Ribbon SBC 1000-2000 System Power Supplies. Replacing 423-40576-001 Power Supplies with 423-40576-002 Power Supplies is not hot swappable and requires the system to be powered down to complete the replacement. For a diagram and description of the SBC 2000 rear panel, refer to SBC 2000 Rear Panel. The SBC 2000 power supplies include a LED status indicator on the back of the unit. For details on LED status indicators, refer to the following table: Color Power Supply Status Green Output ON and OK Amber Replacement power supplies To prevent damage from electrostatic discharge, an ESD strap is provided in the accessory kit. See Electrostatic Discharge (ESD) Precautions to install it. Perform the following procedure to replace one or two SBC 2000 423-40576-001 Power Supplies (PS) with one or two SBC 2000 423-40576-002 Power Supplies (PS). If you have two 423-40576-001 Power Supplies, BOTH power supplies must be replaced with 423-40576-002, as the power supply types cannot mix. Replacing the -001 power supply with the -002 power supply is not hot swappable and requires the system to be powered down to complete the replacement. Remove the Power Supply or Supplies (PS) 423-40576-001 from the SBC 2000 chassis. Reconnect the AC power cables to the new power supplies.Off No AC power to all power supplies 1 Hz Blinking Green PSU Standby state (AC In, Only +5VSB output) Amber AC cord unplugged or AC power lost; with a second power supply in parallel shill with AC input power. Power supply critical event causing a shutdown; failure, over current, short circuit, over voltage, fan failure, over temperature. 1 Hz Blinking Amber Power supply warning events where the power supply continues to operate; high temp, high power, high current, slow fan. Parts and Tools Required
Replacing Power Supplies in the SBC 2000 (423-40576-001 to 423-40576-002 Conversion)