User's Manual

User’s Manual for ION-B Systems
Page 36
Manual TFAH-
ES70_80_50.doc
3.2.3. 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 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.
Disconnect Mains power
3. Locate the power supply on
the right side of the Remote
Unit.
RU power supply location
Mains plug
Power
supply