
Identifying FRUs in SPARC Enterprise T5120 Servers 187
The following table identifies the power distribution and fan module components inthe server and points to instructions for servicing them.TABLE: PowerDistribution/Fan Module Components (SPARC Enterprise T5120 Servers)
Item FRU ReplacementInstructions Notes FRUName (If Applicable)
1 Power distribution
board/busbar
“Servicing Power
Distribution Boards”on
page160
Busbar is attached to the
PDB with four screws.
If replacinga defective
PDB,you must move the
busbar to the new board
and programthe chassis
serial number using the
setscn command.
/SYS/PDB
2 Paddle card “Servicing Paddle
Cards”on page171
Includes the top cover
interlock switch.
/SYS/CONNBD
3 Power supplies “Servicing Power
Supplies” on page 129
Twopower supplies
provideN+1
redundancy.
/SYS/PS0
/SYS/PS1
4 Air duct “Remove the Air Duct”
on page 100
“Installthe Air Duct” on
page101
Must be installed to
provideproper cooling
to the system.
N/A
5 Fan modules “ServicingFan Modules”
on page 123
At least six fan modules
must be installed in the
server.
/SYS/FANBD0/FM0*
/SYS/FANBD0/FM1
/SYS/FANBD0/FM2†
/SYS/FANBD0/FM3‡
/SYS/FANBD1/FM0
/SYS/FANBD1/FM1
/SYS/FANBD1/FM2
/SYS/FANBD1/FM3
* A fan module might not be present in this location for some configurations.
† A fan module might not be present in this location for some configurations.
‡ A fan module might not be present in this location for some configurations.
6 Fan power boards “Servicing Fan Power
Boards”on page143
Must be removedto
service the paddle card.
/SYS/FANBD0
/SYS/FANBD1