IBM Security Camera 343 Uživatelský manuál Strana 35

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Chassis Description 23
Power Supplies
The power supply cage shown in Figure 8 is accessed from the rear of the chassis. The power
supply cage supports up to two hot-swap 350 W DC input power supplies in a (1 + 1) redundant
configuration. A power supply filler) for the empty power supply site is supplied for systems
without redundancy.
The power supply is NEBS certified.
OM14224
Figure 8. Non-redundant DC-Power Supply Subsystem (Filler Module shown at Left)
DC Power Subsystem
This section defines the features of the DC input switching power subsystem.
Features
350 W output capability in full DC input voltage range
“Power Good” indication LEDs
Predictive failure warning
Internal cooling fans with multi-speed capability
Remote sense of 3.3 Volt, 5 Volt, and 12 Volt DC outputs
“DC_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
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