•
Check the cables from the power source to the rack for continuity.
•
If a fuse panel is installed between the Power Distribution Frame (PDF) and the chassis, verify that the
fuses are intact.
•
If a fuse panel is installed between the PDF and the chassis, check the cables from the fuse panel to the
chassis for continuity.
Removing the Failed PFU
In the event of a PFU failure, follow these instructions to safely remove the PFU from the chassis.
Step 1
Power down the PFU by flipping the circuit breaker on the PFU to the OFF position. If the circuit breaker on your PFU
is equipped with a locking clip, move the clip to the right to unlock the circuit breaker's actuator.
Step 2
Shut down the power source to the failed PFU.
To avoid the risk of electric shock, verify that the power source is completely shut down before proceeding to the next
step.
Vor dem naechsten Schritt Spannungsversorgung abschalten, um einen elektrischen Schlag zu vermeiden.
Step 3
Use a Phillips #2 screwdriver to remove the plastic cover from the power terminals.
Step 4
Remove the cable from the -VDC terminals as described below. The -VDC terminals are the two terminals located at
the bottom of the PFU.
a) Use a 9/16-inch nut driver or socket wrench to remove the nuts and washers that secure the cable to the PFU.
ASR 5000 Installation Guide
198
Replacing a Power Filter Unit
Removing the Failed PFU
Summary of Contents for ASR 5000
Page 16: ...ASR 5000 Installation Guide xvi About this Guide Contacting Customer Support ...
Page 64: ...ASR 5000 Installation Guide 48 Installation Procedure Overview Laser Notice ...
Page 100: ...ASR 5000 Installation Guide 84 Line Card Installation Installing the XGLC ...
Page 122: ...ASR 5000 Installation Guide 106 Cabling the Fast Ethernet 10 100 Line Card FLC2 Interfaces ...
Page 206: ...ASR 5000 Installation Guide 190 Removing and Installing SMC PC Cards Removing PC Cards ...
Page 212: ...ASR 5000 Installation Guide 196 Replacing the Chassis Air Filter Installing the Air Filter ...
Page 220: ...ASR 5000 Installation Guide 204 Replacing a Power Filter Unit What to do with the Failed PFU ...
Page 266: ...ASR 5000 Installation Guide 250 Safety Electrical and EMC Certifications Korean EMC ...
Page 270: ...ASR 5000 Installation Guide 254 Environmental Specifications Chassis Air Flow ...