Maintaining The Ex4600 Switch Power System; Removing A Power Supply From An Ex4600 Switch - Juniper EX4600 Hardware Manual

Maintaining the EX4600 Switch Power System

IN THIS SECTION

Removing a Power Supply from an EX4600 Switch | 98

Installing a Power Supply in an EX4600 Switch | 100
Removing a Power Supply from an EX4600 Switch
Before you remove a power supply from an EX4600 switch, ensure that you have taken the necessary
precautions to prevent electrostatic discharge (ESD) damage (see
Damage ).
Ensure that you have the following parts and tools available to remove a power supply from an EX4600
switch:
• ESD grounding strap
• Antistatic bag or an antistatic mat
• Phillips (+) screwdriver, number 2 (DC power supply)
The EX4600 is shipped from the factory with two power supplies. Each power supply is a hot-removable
and hot-insertable field-replaceable unit (FRU) when the second power supply is installed and running.
You can install replacement power supplies in the two slots next to the fan modules without powering
off the switch or disrupting the switching function.
CAUTION: Replace the power supply with a new power supply within 1 minute of
removal to prevent chassis overheating.
To remove a power supply from an EX4600 switch (see
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the
chassis.
Prevention of Electrostatic Discharge
Figure 40 on page 99):
98