31. Power up all of the cabinets in the row.
a. For blower cabinets, place the MAIN DISCONNECT switch on the rear panel of the blower cabinet PDU
in the ON (up) position.
b. For cabinets, place main circuit breakers CB1 and CB2 in the ON (up) position.
Figure 29. Circuit Breakers for Cabinet (left) and Blower (right)
a. Close the rear door of the cabinet.
b. Enter the following command in a terminal window on the SMW:
smw$
xtcli power up Hostname
Hostname
is the cabinet, system, or partition ID; examples include
c0-0
(for a cabinet),
S0
(for a
system), or
p0
(for a partition).
2.8
Power Distribution Unit (PDU) Replacement
2.8.1
Remove a Power Distribution Unit (PDU)
Prerequisites
Tools Required:
T15 Torx driver
T25 Torx driver
Large slotted screwdriver
Time Required:
15 minutes
About this task
This procedure may require a Cray contracted or customer contracted electrician to complete lockout/tagout
procedures or disconnect facility power. Allow time in the preventive maintenance schedule for this requirement.
This procedure should be preformed only by qualified Cray personnel.
DANGER:
●
Electrocution Hazard
System Cabinet Procedures
41