Table23-1 Typesof maintenance for operation panel
Configuration Active/hot Active/cold Inactive/hot Inactive/cold Systemstopped
Building block configuration
Unsupported Unsupported
(*1)
Unsupported Unsupported
(*1)
Supported(*2)
*1: Ifany physical partition is currently operating ,the cr ossbar box cannot be powered off.
*2: Allthe physical partitions must be powered off, an dthe s ystem must be completely shut down.
Table23-2 Maintenanceflow
Detailsof update process Replacement
1 Preparation 23.3
2 Removingthe operation panel 23.4
3 Installingthe operation panel 23.5
4 Restoringthe system 23.6
Caution- Tocompletely shut down the system, all the power cords must be
removed. If the power cords are not removed, an electrical failure may occur.

23.2.2 Maintenance flow

Table23-2 lists the sequence of the maintenance procedure for the operation panel.

23.2.3 P recautions for replacement

Notethe followingpoint when replacing the operation panel:
■Ifyo u replace the operation panel, set the BB-ID for the new operation panel to the
samevalue as that prior to the start of maintenance.
23.3 Enabl ing the Removal of the Operation
Panel
Thissectio n describes the preparations that must be completed prior to removing the
operation panel.
1. Open the rack door.
2. LogintotheXSCFshell.
Chapter23 Maintainingthe Operation Panel of the Crossbar Box 369