2
RS
-
232 Isolator
3. Installing the RS
-
232 Isolator
Since this isolator hardware unit should be powered by the external power source,
please connect the 5V AC power adapter or the USB
-
to
-
Power
-
DC
-
Jack Conversion
Cable to make sure the unit works properly. If you are using the USB
-
to
-
Power
-
DC
-
Jack
Cable instead of the AC adapter, please make sure that the USB port is at Host side (the same
side as the DB9 female connector), DO NOT connected to the USB port at the device side (the
same side as the DB9 male connector), otherwise, the unit won
’
t work and the DC power was
passed though the isolation circuits so the isolator will not function properly.
1.
Use static electricity discharge precautions.
Remove possible static discharge potential from any objects that the converter may come in
contact with before installation. This can be accomplished by touching a bare metal chassis
rail after you have turned off the power.
2.
Locate an unused PC
’
s RS232 port (with DB9 male connector, configured as DTE),
connect it to the Isolator
’
s DB9 female connector with a RS232 cable, find another
cable to connect the RS232 Device to the Isolator
’
s DB9 male connector.
RS232
Device
3.
Connect the 5V AC Adapter or USB
-
to
-
Power
-
DC
-
Jack Conversion Cable
