Motorola CPCI-6115 Manuel de service Page 43

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Chapter 3 Platform Description
CPX8216 and CPX8216T Installation and Use (6806800A52C)
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The alarm display panel LEDs are controlled by bits in the Hot Swap Controller’s register, which
are set by the system software. This allows full user customization of alarm event reporting. The
next table provides the color and standard nomenclature for the LEDs on the alarm panel.
Power/Fan Modules
The CPX8216 chassis requires a minimum of two power/fan sled modules and a fan-only sled
module to provide adequate power and cooling for a fully loaded, nonredundant chassis. The
chassis can contain a third power supply/fan sled as part of an N+1 strategy, meaning that the
chassis can continue providing service if one of the modules fails.
Both AC and DC input power versions are available. Only one type (either AC or DC) can be
installed in a chassis at a time—AC and DC power supplies cannot be mixed in a single chassis.
Input power is brought in through a power distribution panel in the rear of the chassis. The type
of power distribution panel must match the type of power supply/fan units installed in the
chassis. For example, an AC power distribution panel used with AC power supplies, and DC
with DC power supplies.
The AC and DC power supplies are mounted on a sled along with the replaceable cooling fans
and are discussed in Chapter 9, Subassembly Removal and Installation.
The fans run at either high speed (default) or temperature controlled, which can be changed
using the operating system software via the API.
For the power coupling to the backplane, refer to the information in Power Supply Connectors
(PS1, PS2, PS3) on page 127. For the electrical specification for the power supply, refer to
Power Supply Electrical Specifications on page 133.
Table 3-1. Alarm LED Color and Description
Alarm LED Color Description
Controller Board Slot Status
Green In Service
Yellow N/A (or Out of Service)
Red Out of Service
System Status
Green System In Service
Yellow Component Out of Service
Red System Out of Service
Telco Status
Yellow Minor
Red Major
Red Critical
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