5 Maintenance
MF0147A0A
Page 45
5.2. RU Power Supply Replacement
The power supply for the RU is a field replaceable module. The type of power supply
used by the RU (AC, DC, or Vdc/100) is dependent on the model number of the RU.
Before starting any maintenance on the RU, read the health and safety
warnings in
chapter 1.2
and the electrical installation general information
in
chapter 4.2.1.
1.
Switch off the circuit breaker
supplying power to the RU.
2.
Once you have confirmed that
the power has been shutdown,
remove
Mains
power
connector from the RU.
figure 5-1 Disconnect Mains power
3. Locate the power supply on
the right side of the Remote
Unit.
figure 5-2 RU power supply location
Mains plug
Power
supply