Servicing PDECBs
There is one PDECB for each CMIOU. For the locations of the PDECBs in the CMIOU
chassis, see “CMIOU Chassis Rear Components” on page 21.
There is one PDECB for the each switch unit (SPARC M7-16). For the locations of
the PDECBs in the switch chassis, see “Switch Chassis Rear Components (SPARC
M7-16)” on page 25
The replacement procedures are the same for all PDECBs.
Caution - This procedure requires that you handle components that are sensitive to electrostatic
discharge. This discharge can cause server components to fail. Follow antistatic precautions to
prevent electrostatic damage. See “Prevent ESD Damage” on page 61.
These topics explain how to service a PDECB.
Step Description Links
1. Remove the CMIOU or switch unit so that you can
replace the PDECB.
“Servicing CMIOUs” on page 83
“Servicing Switch Units” on page 189
2. Replace a PDECB. “Remove a PDECB” on page 200
“Install a PDECB” on page 202
3. Install the CMIOU or switch unit after you have
replaced the PDECB.
“Install a CMIOU” on page 102
“Install a Switch Unit” on page 197
Related Information
■
“Identifying Components” on page 15
■
“Detecting and Managing Faults” on page 35
■
“Preparing for Service” on page 57
■
“Controlling the Server and Domains” on page 67
■
“Understanding Server Configurations and Failover Behavior” on page 79
Servicing PDECBs 199
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