Compaq EK-SMCPO-UG. C01 manual Temperature Monitoring, Supply Voltage, External Temperature

2-24RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide

12 V Supply Voltage

The controller monitors the incoming 12-volt levels and ensures that they are satisfactory for operation. The acceptable voltage levels are listed in

Table 2–9.

		Table 2-9
	Acceptable 12 Volt Levels
State		Range	Action
Normal		10.80 to 13.80 V	Normal operation
Low warning		10.20 to 10.80 V	Alarm
High warning		13.80 to 14.40 V	Alarm
Low severe		Less than 10.20 V	Off line
High severe		Greater than 14.40 V	Off line

Temperature Monitoring

External Temperature

The controller monitors the external operating temperature and ensures that they are satisfactory for controller operation. The acceptable temperature levels are listed in Table 2-10.

Table 2-10

Acceptable External Temperature Levels

State	Temperature	Action
Normal	< 106ºF (41ºC)	Normal operation
High warning	< 106ºF to 126ºF	Alarm
	(41ºC to 52ºC)
High severe	> 133ºF (52ºC)	Off line