46
Interface Cards
Installing the Power Supply Unit
Installation
1. If you want to change the power
supply unit, first switch off the
Forum 523/524 and pull the plug out
of the mains power supply.
2. Take the cover off the Forum 523/524
(see Opening and Closing Forum 523/
524 starting on page 36).
3. Pass the Velcro fastener through the
recesses in the bottom of the casing.
4. Put the power supply unit into the
mounting recess on the right, passing
the Velcro fastener over the power
supply unit.
5. Pass the Velcro fastener through the
lug.