14.3.1 Active/Cold maintenance 270
14.3.2 Inactive/Cold maintenance 271
14.3.3 System-stopped maintenance 271
14.4 Removing the PSU Backplane Unit 272
14.4.1 Accessing the PSU backplane unit 273
14.4.2 Removing the PSU backplane unit 275
14.5 Installing the PSU Backplane Unit 276
14.5.1 Installing the PSU backplane unit 276
14.5.2 Restoring the chassis 277
14.6 Restoring the System 278
14.6.1 Active/Cold maintenance 278
14.6.2 Inactive/Cold maintenance 279
14.6.3 System-stopped maintenance 280
Chapter 15 Maintaining the Operation Panel 283
15.1 Location of the Operation Panel 283
15.2 Before Maintaining the Operation Panel 284
15.2.1 Types of maintenance 284
15.2.2 Maintenance flow 285
15.2.3 Precautions for replacement 285
15.3 Enabling the Removal of the Operation Panel 285
15.3.1 Active/Cold maintenance 286
15.3.2 Inactive/Cold maintenance 287
15.3.3 System-stopped maintenance 287
15.4 Removing the Operation Panel 288
15.4.1 Accessing the operation panel 288
15.4.2 Removing the operation panel 291
15.5 Installing the Operation Panel 292
15.5.1 Installing the operation panel 292
15.5.2 Restoring the chassis 292
15.6 Restoring the System 293
15.6.1 Active/Cold maintenance 294
Contents
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