1-1 Getting Started
To ensure that the RS-232C/RS-422 Interface Unit works correctly, carefully ob-
serve the following when positioning and handling it.
Location
Do not install the RS-232C/RS-422 Interface Unit in a location subject to the fol-
lowing conditions:
• Dust, chemicals, or steam
• Severe temperature fluctuations
• High humidity and condensation
• Direct sunlight
• Strong electrical or magnetic fields
• Poor ventilation
• Severe vibration
Do not:
• Subject the Unit to strong shocks or vibrations
• Position the Unit’s PCB downward
• Touch the Unit’s PCB
• Put heavy objects on the unit
• Supply a voltage different from the specified voltage
To ensure that the RS-232C/422 Interface Unit works correctly, carefully follow
the advice below on positioning and handling the unit.
Handling
Section 1-1