User`s guide

2-24 RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide
Compaq Confidential – Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide Comments:
Part Number: EK-SMCPO-UG. C01 File Name: c-ch2 RAID Array Controller.doc Last Saved On: 12/4/00 1:51 PM
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
(41ºC to 52ºC)
Alarm
High severe > 133ºF (52ºC) Off line