Replacing Mx2020 Dc Power Subsystem Components; Replacing An Mx2020 Dc Power Distribution Module; Removing An Mx2020 Dc Power Distribution Module - Juniper MX2020 Hardware Manual
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Also See for MX2020:
- Hardware manual (630 pages) ,
- Hardware manual (800 pages) ,
- Quick start manual (72 pages)
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MX2020 3D Universal Edge Router Hardware Guide
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Replacing MX2020 DC Power Subsystem Components
Replacing an MX2020 DC Power Distribution Module
264
WARNING:
Do not look directly into a fiber-optic transceiver or into the
ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable
connected to a transceiver emit laser light that can damage your eyes.
Verify that the status LEDs on the component faceplate indicate that the SFP or XFP
8.
is functioning correctly. For more information about the component LEDs, see the
Series 3D Universal Edge Routers Line Card Guide
Preventing Electrostatic Discharge Damage to an MX2020 Router on page 320
Replacing a MX2020 MIC on page 252
Replacing an MX2020 MPC on page 242
Replacing an MX2020 DC Power Distribution Module on page 264
Replacing an MX2020 DC Power Supply Module on page 269
Replacing an MX2020 DC Power Distribution Module Cable on page 273
1.
Removing an MX2020 DC Power Distribution Module on page 264
Installing an MX2020 DC Power Distribution Module on page 266
2.
Removing an MX2020 DC Power Distribution Module
Before you remove a PDM, be aware of the following:
NOTE:
The minimum number of PDMs must be present in the router at all
times.
WARNING:
Before performing DC power procedures, ensure that power is
removed from the DC circuit. To ensure that all power is off, locate the circuit
breaker on the panel board that services the DC circuit, switch the circuit
breaker to the
OFF
in the
OFF
position.
CAUTION:
To maintain proper cooling and prevent thermal shutdown of the
operating power supply unit, each PDM slot must contain either a PDM or a
blank panel. If you remove a PDM, you must install a replacement PDM or a
blank panel shortly after the removal.
.
position, and tape the switch handle of the circuit breaker
Copyright © 2013, Juniper Networks, Inc.
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