
394 Chapter 37 Hardware procedures
241-7401-240 5.2S1
Replacing a 16-slot Passport switch cooling unit power
cord
Replace a 16-slot Passport switch cooling unit power cord if it fails to restore
power to the cooling unit.
Prerequisites
•
You will need a replacement cooling unit power cord with PEC
NTHR66BA.
Procedure steps
1
Disconnect the power cord from the “C.U. Power” connector on the back
of the shelf assembly. Use a 1/8-in. screwdriver to loosen the two screws.
See the figure “Cooling unit power cord” (page 395).
2
Connect the replacement power cord to the “C.U. Power” connector on
the back of the shelf assembly. Use a 1/8-in. screwdriver to tighten the two
screws.
CAUTION
Risk of equipment damage
Replace a cooling unit power cord and restart cooling
units within 10 minutes. You can damage the CPs and
FPs and they can fail if the cooling fans are off longer
than 10 minutes.
Summary of Contents for Passport 7400
Page 1: ...Passport 7400 Hardware Installation Maintenance and Upgrade 241 7401 240 ...
Page 2: ......
Page 4: ......
Page 6: ...6 Publication history 241 7401 240 5 2S1 ...
Page 28: ...28 About this document 241 7401 240 5 2S1 ...
Page 32: ...32 Chapter 1 3 slot Passport switch installation 241 7401 240 5 2S1 ...
Page 42: ...42 Chapter 3 5 slot Passport switch installation 241 7401 240 5 2S1 ...
Page 60: ...60 Chapter 5 16 slot Passport switch installation 241 7401 240 5 2S1 ...
Page 66: ...66 Chapter 6 16 slot Passport switch shelf replacement 241 7401 240 5 2S1 ...
Page 74: ...74 Chapter 9 Alarm hardware replacement 241 7401 240 5 2S1 ...
Page 80: ...80 Chapter 11 BITS termination panel replacement 241 7401 240 5 2S1 ...
Page 84: ...84 Chapter 12 Cabinet installation 241 7401 240 5 2S1 ...
Page 88: ...88 Chapter 13 Cable replacement 241 7401 240 5 2S1 ...
Page 102: ...102 Chapter 18 Ethernet cable replacement 241 7401 240 5 2S1 ...
Page 106: ...106 Chapter 19 External timing addition 241 7401 240 5 2S1 ...
Page 110: ...110 Chapter 20 Failed FP cable replacement 241 7401 240 5 2S1 ...
Page 132: ...132 Chapter 25 Function processor decommissioning 241 7401 240 5 2S1 ...
Page 152: ...152 Chapter 32 Power cable replacement 241 7401 240 5 2S1 ...
Page 156: ...156 Chapter 33 Power supply addition 241 7401 240 5 2S1 ...
Page 160: ...160 Chapter 34 Power supply replacement 241 7401 240 5 2S1 ...
Page 412: ...412 Chapter 37 Hardware procedures 241 7401 240 5 2S1 ...
Page 436: ...436 Chapter 37 Hardware procedures 241 7401 240 5 2S1 ...
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