
Chapter 37 Hardware procedures 335
Passport 7400 Hardware Installation, Maintenance, and Upgrade 5.2S1
Removing a 5-slot Passport switch cooling unit
Remove a 5-slot Passport switch cooling unit if the unit fails.
Prerequisites
Procedure steps
1
To unlock the door, use a 1/4-in. slot-head screwdriver to turn the locking
latch on the cooling unit door 1/4 turn counter-clockwise. See the figure
“16-slot Passport switch cooling unit lock” (page 351).
2
Open the door to access the cooling equipment.
3
If you have the newer model cooling unit, the wires that connect the fans
to the switch are at the front of the fan tray. Cut the tie wrap and disconnect
each connector. If you do not have the newer model, continue to the next
step.
4
Pull the front edge of the cooling unit toward you carefully. Remove the
cooling unit slowly.
CAUTION
Risk of equipment damage
Remove and restart cooling units in under 10
minutes.You can damage CPs and FPs and they can fail
if the fans are off longer than 10 minutes.
WARNING
Risk of injury by fan blades
Do not handle the fans while the blades are rotating. When
you remove a cooling unit, wait until the fan blades stop
before you continue.
WARNUNG
Verletzungsgefahr durch Lüfterblätter
Berühren Sie einen Lüfter niemals, während die Blätter
rotieren. Warten Sie bis zum vollständigen Stillstand der
Lüfterblätter, bevor Sie ein Kühlaggregat entfernen.
Содержание Passport 7400
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Страница 6: ...6 Publication history 241 7401 240 5 2S1 ...
Страница 28: ...28 About this document 241 7401 240 5 2S1 ...
Страница 32: ...32 Chapter 1 3 slot Passport switch installation 241 7401 240 5 2S1 ...
Страница 42: ...42 Chapter 3 5 slot Passport switch installation 241 7401 240 5 2S1 ...
Страница 60: ...60 Chapter 5 16 slot Passport switch installation 241 7401 240 5 2S1 ...
Страница 66: ...66 Chapter 6 16 slot Passport switch shelf replacement 241 7401 240 5 2S1 ...
Страница 74: ...74 Chapter 9 Alarm hardware replacement 241 7401 240 5 2S1 ...
Страница 80: ...80 Chapter 11 BITS termination panel replacement 241 7401 240 5 2S1 ...
Страница 84: ...84 Chapter 12 Cabinet installation 241 7401 240 5 2S1 ...
Страница 88: ...88 Chapter 13 Cable replacement 241 7401 240 5 2S1 ...
Страница 102: ...102 Chapter 18 Ethernet cable replacement 241 7401 240 5 2S1 ...
Страница 106: ...106 Chapter 19 External timing addition 241 7401 240 5 2S1 ...
Страница 110: ...110 Chapter 20 Failed FP cable replacement 241 7401 240 5 2S1 ...
Страница 132: ...132 Chapter 25 Function processor decommissioning 241 7401 240 5 2S1 ...
Страница 152: ...152 Chapter 32 Power cable replacement 241 7401 240 5 2S1 ...
Страница 156: ...156 Chapter 33 Power supply addition 241 7401 240 5 2S1 ...
Страница 160: ...160 Chapter 34 Power supply replacement 241 7401 240 5 2S1 ...
Страница 200: ...200 Chapter 37 Hardware procedures 241 7401 240 5 2S1 Figure 61 Installing a rear cover on a 5 slot Passport switch ...
Страница 228: ...228 Chapter 37 Hardware procedures 241 7401 240 5 2S1 Figure 77 16 slot Passport switch shelf assembly PPT 0892 001 AA ...
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