RS-232C/422 Isolation Unit
Installation Guide
Thank you for purchasing Pro-face's RS-232C/422 Isolation Unit (CA2-ISOALL232-
01/CA2-ISOALL422-01). This unit is designed to utilize the GP/GLC unit's serial inter-
face connector (Dsub25-pin), and electrically separates the serial interface signal from
the GP/GLC unit's chassis.
Essential Safety Precautions
WARNINGS
• To avoid an electric shock, prior to connecting this unit to the
display's serial interface, confirm that the display's power sup-
ply is completely turned OFF, via a breaker, or similar unit.
• Do not modify this unit. Doing so may cause a fire or an elec-
tric shock.
• Do not use this unit in an environment where flammable gases
are present, since operating this unit may cause an explosion.
General Safety Precautions
• Do not allow water, liquids, metal or charged particles to enter inside
this unit, since they can cause either a unit malfunction or an electri-
cal shock.
• Do not use or store this unit in direct sunlight, or in excessively dusty
or dirty environments.
• Do not store or use this unit where strong jolting or excessive vibra-
tion can occur.
• Do not store or use this unit where chemicals (such as organic sol-
vents, etc.) and acids can evaporate, or where chemicals and acids are
present in the air.
