R1000WT datasheet(39/126 Pages) INTEL

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Intel® R1000WT Server System TPS

November 2016

oscillate on and off due to temperature recovering condition. The OTP trip level shall have a minimum of 4°C

of ambient temperature margin.

3.3.16

Power Supply Status LED

There is a single bi-color LED to indicate power supply status. The LED operation is defined in the following

table.

Table 16. LED Indicators

Power Supply Condition

LED State

Output ON and OK

GREEN

No AC power to all power supplies

OFF

AC present / Only 12VSB on (PS off) or PS in Cold

redundant state

1Hz Blink GREEN

AC cord unplugged or AC power lost; with a second

power supply in parallel still with AC input power.

AMBER

Power supply warning events where the power supply

continues to operate; high temp, high power, high

current, slow fan.

1Hz Blink Amber

Power supply critical event causing a shutdown; failure,

OCP, OVP, Fan Fail

AMBER

Power supply FW updating

2Hz Blink GREEN

3.4 DC Power Supply Input Specifications

The following sections provide the DC Input Specifications for systems configured with DC power supply

modules.

NOTE: Product Safety Regulations pertaining to the use of DC power supplies require that chassis grounding

studs be used for all DC power supply configurations. In the event that chassis grounding studs are not

available on a given server chassis, systems must be configured with two DC power supplies, with each

connected to separate ground wires while the system is operational.

3.4.1

DC Input Voltage

The power supply must operate within all specified limits over the following input voltage range.

Table 17. DC Input Rating

PARAMETER

MIN

RATED

MAX

DC Voltage

-40.5 VDC

-48VDC/-60VDC

-75VDC

Input Current

24A

12.5A

3.4.2

DC Input Fuse

The power supply shall have the -48VDC input fused. The fusing shall be acceptable for all safety agency

requirements. DC inrush current shall not cause the fuse to blow under any conditions. No protection circuits

in the power supply shall cause the DC fuse to blow unless a component in the power supply has failed. This

includes DC output load short conditions.

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