Cabletron Systems 9C214-3 Installation Manual

Contents

3-39C214-3 Power Supply OperationPWR Status LEDThe PWR Status LED indicates the status of a power supply’s input and output.The possible states and descriptions of the PWR Status LED are listed in Table 3-1.SMB Status LEDThe SMB Status LED indicates the status of the diagnostic controller. The possiblestates and descriptions of the SMB Status LED are listed in Table 3-2.Table 3-1. PWR Status LEDLED Color State DescriptionGreen Functional The 56-volt, 5-volt, and 3.3-volt outputsare within established tolerances.Yellow Crippled Not fully operational (56-volt output isnot within established tolerances due tolack of AC input).Red Fault One of the system power supply outputsis out of regulation.Off Power off Module powered off.Table 3-2. SMB Status LEDLED Color State DescriptionGreen Functional Fully operational.Yellow/Green Booting Flashes yellow and green while booting.Yellow Testing Power up testing being performed.Yellow (Flashing) Crippled Limited functionality of the diagnosticcontroller or fan failure.Red Reset Normal power-up reset.Red (Flashing) Failed Fatal error has occurred.Off Power off Module powered off.