HP LH4r HP Netserver Service Handbook, Volume 3 - High-End - Page 94

Power Supply Indicators, Rear Panel Controls, Ports, and Indicators

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Power Supply Indicators Control DC Output Indicator AC Input Indicator Attention Indicator DC Output Indicator AC Input Indicator Attention Indicator Power Supply LEDs Description Lights green when DC power is online. During normal operation, this LED should always be green. Lights green when the power supply is receiving AC power. During normal operation, this LED is always green. If this LED is lit but Standby / DC Good is not, then AC power is present but is not reaching this power supply. Lights amber when the power supply requires service. Rear Panel Controls, Ports, and Indicators Control Power Interlock Switch Satellite Ejector Handles Rear Panel Control and Indicator Definitions Description This switch is mounted on the base chassis. When you turn this switch to the right, you disables DC power and release the satellite chassis so you can pull it out for service. Unless you turn this switch, you cannot pull out the satellite chassis nor open the satellite's top cover. These handles are mounted on the satellite chassis. Use them to pull the satellite out from the base chassis. After turning the power interlock switch, grasp the ejector handles and pull them down and towards you. The satellite 88

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Power Supply Indicators
AC Input
Indicator
Attention
Indicator
DC Output
Indicator
Power Supply LEDs
Control
Description
DC Output Indicator
Lights green when DC power is online. During normal operation, this LED should
always be green.
AC Input Indicator
Lights green when the power supply is receiving AC power.
During normal
operation, this LED is always green.
If this LED is lit but Standby / DC Good is not, then AC power is present but is not
reaching this power supply.
Attention Indicator
Lights amber when the power supply requires service.
Rear Panel Controls, Ports, and Indicators
Rear Panel Control and Indicator Definitions
Control
Description
Power Interlock Switch
This switch is mounted on the base chassis. When you turn this switch to the
right, you disables DC power and release the satellite chassis so you can
pull it out for service. Unless you turn this switch, you cannot pull out the
satellite chassis nor open the satellite's top cover.
Satellite Ejector Handles
These handles are mounted on the satellite chassis. Use them to pull the
satellite out from the base chassis. After turning the power interlock switch,
grasp the ejector handles and pull them down and towards you. The satellite