Installing System Components 197
a. In a 2+0 PSU configuration, a power sled blank or a C8220 compute sled must be installed in the
adjacent unoccupied bay to maintain proper cooling airflow in the enclosure.
Table 3-1. PSU and Power Sled Support Matrix
PSU
Config
Max.
Power
Redundant
Power
Sled
Shutdown
Maintenance Conditions
4+0 5600 W Not
supported
Required Shut down all sleds in the enclosure before
removing or replacing a power sled(s).
3+1 4200 W Supported Required Shut down all sleds in the enclosure before
removing or installing a power sled(s).
2+2 2800 W Supported Not
required
Power sleds can be removed or replaced
without powering off the sled(s) in the
enclosure.
2+1 2800 W Supported Required Shut down all sleds in the enclosure before
removing or replacing the power sled with
two PSU modules capacity.
2+0a2800 W Not
supported
Required Shut down all sleds in the enclosure before
removing or replacing a power sled(s).
1+1 1400 W Supported Not
required
Power sled can be removed or replaced
without powering off the sled in the
enclosure.