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ARX 500 Chassis Replacement
Preparation - Verify Chassis is backup switch
Verify that the Field Tech has a copy of this document for reference.
Verify that the Field Tech understands that he or she will be working under your direction at all
times.
Inform the Field Tech that it is very important to work on the backup switch and not to do
anything until the backup switch has been positively identified as powering off the active
switch will cause a service outage.
Verify the identity of the backup switch for the Field Tech
Step 1 Tag all cables
Instruct the Field Tech to tag all cables
Instruct the Field Tech to power down the unit and unplug the power cord at rear of unit.
Fig. 1
Step 2 Remove rack screws
Instruct the Field Tech to remove rack screws on both sides that hold the chassis and rail kit to
the rack. Fig. 2