Cooling Units - Nortel Passport 15000 Hardware Installation And Maintenance

Chapter 7

Cooling units

Passport 15000, 20000 Hardware Installation, Maintenance, and Upgrade
Select from the following tasks and procedures:
• "Cooling unit replacement" (page 100)
• "Fan controller replacement" (page 102)
• "Fan replacement" (page 104)
• "Replacing a cooling unit alarm cable" (page 787)
• "Replacing a cooling unit power cable" (page 789)
• "Replacing an air filter" (page 800)
• "Temperature sensor replacement" (page 106)
• "Temperature sensor bracket assembly replacement" (page 109)
When you have a cooling unit to install, see the task flow "Installation of a
second switch into a NEBS 2000 frame" (page 156) or "Passport 15000 or
20000 switch installation into an EIA rack" (page 173).
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