Maintaining The Ptx1000 Power Supplies; Removing A Power Supply From The Ptx1000 - Juniper PTX1000 Hardware Manual

PTX1000 Packet Transport Router Hardware Guide

Maintaining the PTX1000 Power Supplies

Removing a Power Supply from the PTX1000

90
Removing a Power Supply from the PTX1000 on page 90
Installing a Power Supply in a PTX1000 on page 91
The power supplies in a PTX1000 are hot-removable and hot-insertable field-replaceable
units (FRUs)—you can remove and replace them without powering off the PTX1000 or
disrupting routing functions.
CAUTION: Replace the power supply within 30 seconds of removal to prevent
chassis overheating. Before removing the power supply, ensure you have a
replacement power supply available.
Before you remove a power supply from a PTX1000, ensure that you have taken the
necessary precautions to prevent electrostatic discharge (ESD) damage (see
of Electrostatic Discharge Damage" on page
Ensure that you have the following parts and tools available:
ESD grounding strap
Antistatic bag or an antistatic mat
CAUTION: Do not mix AC and DC power supplies in the same chassis.
To remove a power supply from a PTX1000 (see
Place the antistatic bag or the antistatic mat on a flat, stable surface.
1.
To prevent damage to the equipment caused by static discharge, attach an
2.
electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the
strap to one of the ESD points on the chassis.
Disconnect power to the PTX1000:
3.
AC power supply—If the AC power source outlet has a power switch, set it to the
off ( O ) position. If the AC power source outlet does not have a power switch, gently
pull out the male end of the power cord connected to the power source outlet.
DC power supply—Switch the circuit breaker on the panel board that services the
DC circuit to the off position.
135).
Figure 39 on page 91):
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