Juniper PTX5000 Hardware Manual page 413

Copyright © 2017, Juniper Networks, Inc.
NOTE: You cannot do a smooth upgrade from normal-capacity Delta or Wye
AC PDUs to High Capacity Single-Phase AC PDU.
To upgrade to the High Capacity AC power system:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Remove the existing power supply modules (PSMs) from one of the power distribution
2.
units (PDUs). See "Replacing a PTX5000 60-A or 120-A DC PSM" on page 303
"Replacing a PTX5000 AC PSM" on page 340
configuration.
Removing the PSMs raises the following alarms:
No Redundant Power for FPC 0-7
No Redundant Power for Rear Chassis
No Redundant Power for Fan 0-2
Remove the PDU from which PSMs have been removed. See one of the following
3.
topics for details, depending on your existing configuration:
Replacing a PTX5000 60-A DC PDU on page 287
Replacing a PTX5000 120-A DC PDU on page 295
Replacing a PTX5000 Three-Phase Delta AC PDU on page 310
Replacing a PTX5000 Three-Phase Wye AC PDU on page 325
Replacing a PTX5000 High Capacity Single-Phase AC PDU on page 360
Install a High Capacity AC PDU. See
4.
PDU" on page 342 or "Replacing a PTX5000 High Capacity Wye AC PDU" on page 350
or "Replacing a PTX5000 High Capacity Single-Phase AC PDU" on page 360
depending on the type of High Capacity PDUs you are installing.
Install the High Capacity PSM sleeve into the PTX5000. See
5.
Capacity PSM Sleeves" on page 380
Install the PSMs in the new PDU and power on the PDU. See
6.
High Capacity AC PSM" on page 369
Now there are two different types of PDUs in the chassis, resulting in the
alarm being raised. And there are two different types of PSMs in the chassis, resulting
in the
Power Manager Non Operational
PDU is operational, one PDU and associated PSMs can fulfill the power requirements
of the PTX5000. In this configuration, the
not displayed when you run the
Chapter 28: Upgrading to the High Capacity Power System
for details, depending on your existing
"Replacing a PTX5000 High Capacity Delta AC
for details.
for details.
alarm being raised. However, as long as the
No Redundant Power for System
command.
show chassis alarms
or
for details,
"Installing the High
"Replacing a PTX5000
Mix of PDUs
alarm is
377