UserÆs Guide and Technical UserÆs Guide - HP Carrier Grade Server cc2300

34 cc2300 Carrier Grade Server Product Guide
AC Power Subsystem
This section defines the AC-input switching power subsystem.
OM12864
Figure 9. AC-Power Supply Subsystem
Features
• 250 W output capability in full AC input voltage range
• “Power Good” indication LEDs
• Predictive failure warning
• Internal cooling fans with multi-speed capability
• Remote sense of 3.3 V, 5 V, and 12 VDC outputs
• AC_OK circuitry for brown out protection and recovery
• Built-in load sharing capability
• Built-in overloading protection capability
• Onboard field replaceable unit (FRU) information
• I
2
C interface for server management functions
• Integral handle for insertion/extraction
Introduction
The AC version of the cc2300 Carrier Grade Server uses an AC input switching power subsystem
which provides up to 250 W DC with 110 - 220 VAC input and with current and remote sense
regulation. Refer to Table 11 for conditions of the power supply LEDs.
Table 11. LED Indicators
Power Supply Condition Power Supply LED
No AC power to all PSU OFF
No AC power to this PSU only AMBER
DC present / Only Standby Outputs On BLINK GREEN
Power supply DC outputs ON and OK GREEN
Power Supply in Alert Condition BLINK AMBER
Power supply failure (OTP, OCP, OVP, UV) AMBER