Table of Contents
Location
No.
11
*1 The SPARC M12-2 houses 8 PCICSs, and the SPARC M12-2S houses 11 PCICSs.
*2 This unit is mounted only in the SPARC M12-2S.
18.3
Before Maintenance on the BPU and
PSUBP
When replacing the BPU, perform one of the maintenance procedures listed below.
Note that active/cold replacement and inactive/cold replacement are possible only in
a multiple-BB configuration.
-
4.2.11 Active/Cold Replacement Workflow of the BPU
-
4.4.11 Inactive/Cold Replacement Workflow of the BPU
-
4.6.11 System-Stopped/Cold Replacement Workflow of the BPU
When replacing the PSUBP, perform one of the maintenance procedures listed below.
Note that active/cold replacement and inactive/cold replacement are possible only in
a multiple-BB configuration.
-
4.2.12 Active/Cold Replacement Workflow of the PSUBP
-
4.4.12 Inactive/Cold Replacement Workflow of the PSUBP
-
4.6.12 System-Stopped/Cold Replacement Workflow of the PSUBP
Caution - Before you handle any unit, be sure to wear a wrist strap to ground any
static electricity. If you perform this procedure without a wrist strap, individual
components or the overall system may be seriously damaged. For details, see
Precautions on Static
18.4
Removing the BPU and PSUBP
18.4.1
Enabling the Removal of the BPU
To enable the removal of the BPU, you need to remove the FRUs other than the BPU.
This section describes the procedure for removing the FRUs other than the BPU.
1.
Place the server in the cold state.
Remove the power cords from the PSUs to place the server in the cold state. For
details on handling power cords, see
Unit
PSUBP
Electricity."
Chapter 18 Maintaining the Backplane Unit and PSU Backplane Unit
"9.8.2 Removing the Power
"1.5
Cords."
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