Juniper ACX7348 Hardware Manual page 118

ACX7348 Power Supply Module Maintenance
SUMMARY
Maintaining an ACX7348 router includes replacing
power supplies. Replacing includes removing a failed
power supply and installing a functional power
supply.
The power supply modules (PSMs) in an ACX7348 router are hot-removable and hot-insertable field-
replaceable units (FRUs). You can remove and replace the PSMs without powering off the router or
disrupting routing functions.
• "Remove an ACX7348 AC Power Supply Module" on page 110
• "Install an ACX7348 AC Power Supply Module " on page 111
• "Remove an ACX7348 DC Power Supply Module" on page 113
• "Install an ACX7348 DC Power Supply Module" on page 115
Remove an ACX7348 AC Power Supply Module
Before you remove a PSM from a router, ensure that you have taken the necessary precautions to
prevent electrostatic discharge (ESD) damage (see
Ensure that you have the following parts and tools available to remove a PSM from a router:
• ESD grounding strap
• Antistatic bag or an antistatic mat
To remove an AC PSM from an ACX7348 router:
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
IN THIS SECTION
Remove an ACX7348 AC Power Supply
Module | 110
Install an ACX7348 AC Power Supply Module
| 111
Remove an ACX7348 DC Power Supply
Module | 113
Install an ACX7348 DC Power Supply
Module | 115
Prevention of Electrostatic Discharge
110
Damage).