Themis RES-12XR3, Installation Manual

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2—Installation and Operation
Installation Procedures
2-17
Themis Computer
2.1.7 Power Supply
Each load-sharing (N+1 redundant) power supply can be hot-swapped while the sys-
tem is still on and operational.
2.1.7.1 Removing a Power Supply
Perform the following steps to remove a power supply:
1. Loosen the two screws holding the power supply locking bracket to the chas-
sis (see
A , Figure 2-17 ). Place the bracket in a safe place for further use.
2. Put the right index finger on the power supply extraction handle and the right
thumb on the left side of the power supply locking lever (see
B , Figure 2-17 ).
3. Squeeze the locking lever toward the extraction handle and firmly pull the
power supply from the chassis.
Figure 2-17.
The RES-12XR3 Power Supply Locking Mechanism
Extraction
Handle
Power Supply
Locking Lever
System-Power LED
AC Outlet
Phillips Screw Hole
for knurled captive screw
A
… then push locking lever to the right and remove power supply
B
Power supply locking bracket
Knurled captive Phillips screw
Knurled captive Phillips screw
Push lever to the right to release power supply
Phillips Screw Hole
for knurled captive screw
on power supply
locking bracket
Remove power supply locking bracket…
Power Supply
Locking Lever
Caution: When pulling the power supply from the chassis, hold it at the bot-
tom to prevent it from falling and damaging the unit.