
684 Chapter 17 Hardware procedures
241-1501-240 5.2S2
•
If the fuse is blown, the controller is the cause of the apparent fan
failure. Do the task “Fan controller replacement” (page 102) and then
put the same fan back in place.
•
If the fuse is not blown, the fan has failed. Continue replacing the fan.
7
Unless your Passport 15000 or 20000 is still covered by a replacement
warranty for hardware, a failed fan is not returned to Nortel Networks.
Procedure job aid
Figure 271
Location and orientation of the fans on an upper (front) or lower (rear) cooling unit
PPT 3436 009 AA
Fan controller
Mounting screw
Fan
Cooling unit
Grill
Содержание Passport 15000
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Страница 6: ...6 Publication history 241 1501 240 5 2S2 ...
Страница 32: ...32 Contents 241 1501 240 5 2S2 ...
Страница 48: ...48 About this document 241 1501 240 5 2S2 ...
Страница 52: ...52 Chapter 1 Overview of hardware tasks 241 1501 240 5 2S2 ...
Страница 70: ...70 Chapter 2 Safety considerations and best practices 241 1501 240 5 2S2 ...
Страница 84: ...84 Chapter 4 Alarm BITS module 241 1501 240 5 2S2 ...
Страница 94: ...94 Chapter 5 CP and FP cables 241 1501 240 5 2S2 ...
Страница 178: ...178 Chapter 11 Initial switch hardware installations 241 1501 240 5 2S2 ...
Страница 182: ...182 Chapter 12 MAC address module 241 1501 240 5 2S2 ...
Страница 216: ...216 Chapter 14 Power and ground hardware of a Passport 15000 or 20000 241 1501 240 5 2S2 ...
Страница 872: ...872 Chapter 17 Hardware procedures 241 1501 240 5 2S2 ...
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