
T25 Torx driver
T30 Torx driver
T20 Torx bit
T30 Torx bit
1/4-in. socket, 1/4-in. square drive
7/16-in. socket, 1/4-in. square drive
Socket driver, 1/4-in. square drive
Adjustable torque driver, 5–40 in-lbs
Torque Wrench, 1/4" Drive 30-150 Inch-lbs.
Adaptor, 1/4-in. hex male to 1/4-in. square male
Copper network cable connector plug (80)
Optical network cable cover (40)
Isopropyl alcohol
Absorbent wipes
Time Required:
1.5 hours
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.
Procedure
1. Power down all of the cabinets in the row.
a. Enter the following command in a terminal window on the SMW:
smw$
xtcli power down 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).
b. For cabinets, place main circuit breakers CB1 and CB2 in the OFF (down) position.
c. For blower cabinets, place the MAIN DISCONNECT switch on the rear panel of the blower cabinet PDU
in the OFF (down) position.
Figure 18. Circuit Breakers for Cabinet (left) and Blower (right)
2.
WARNING:
System Cabinet Procedures
32