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7.21.4 Hot Replacement of a Dual-Redundant Power Supply Module
This procedure assumes that one of the Dual-Redundant Power Supply Modules was
removed in Section 7.21.3.
1.
DO NOT push the Power Switch as this will turn off the RLS.
2.
Carefully align the Power Supply Module with its opening.
3.
Push the Power Supply Module into the rear of the library until you feel it snap
into place.
4.
Engage the thumbscrew fastener and turn it clockwise until it's fully engaged.
5.
Reattach the power cord.
6.
DO NOT push the Power Switch as this will turn off the RLS.
7.22 Fixed Slots
P/N 500712-01-3
The Fixed Slots in RLS-4116 and 4221 libraries should be inspected and cleaned at
least once per year and replaced if any broken parts are noticed. Also, each Fixed Slot
should be routinely replaced every five years. All Fixed Slots should be changed to-
gether.
Tools Required:
•
No. 1 Phillips Screwdriver
•
No. 2 Phillips Screwdriver
Fixed Slot
Mounting Screws
(2 per slot)
Figure 7-44 Fixed Slots as seen through the Front Panel/Door of an RLS-4221
501510 Rev. S
Fixed Slots
Field–Replaceable Units (FRUs)
Notches in the
Fixed Slots
7-69
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