Juniper QFX10016, Hardware Manual

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How to Remove a JNP10K-PWR-AC2 Power Supply
Before you remove an JNP10K-PWR-AC2 power supply from the chassis:
• Ensure you understand how to prevent ESD damage. See
Prevention of Electrostatic Discharge
Damage
.
Ensure that you have the following parts and tools available to remove a JNP10K-PWR-AC2 power
supply from a QFX10000 switch:
• Heat protective gloves able to withstand temperatures in the range of 158°F (70°C) to 176°F (80°C)
• Electrostatic discharge (ESD) grounding strap
• Phillips (+) screwdriver, number 1
• Replacement power supply or a cover panel for the power supply slot
The JNP10K-PWR-AC2 power supply in a QFX10008 or a QFX10016 chassis is a hot-removable and
hot-insertable field-replaceable unit (FRU). You remove all power supplies from the rear of the chassis.
WARNING: Protect yourself from severe burns by wearing heat-protective gloves when
removing a working QFX10000-PWR-AC2 power supply from the chassis. These power
supplies can reach in the range of 158°F (70°C) to 176°F (80°C).
CAUTION: Before you remove a power supply, ensure that you have power supplies
sufficient to power the switch left in the chassis. See
Power Requirements for
QFX10000 Components
.
CAUTION: Do not leave the power supply slot empty for a long time while the switch is
operational. Either replace the power supply promptly or install a cover panel over the
empty slot.
To remove a JNP10K-PWR-AC2 power supply from a QFX10000 switch:
1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap
to the ESD point on the chassis. There is an ESD point located next to the protective earthing
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