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a. Problem: Nothing happens when I follow the operating instructions.
Possible Cause
Interface cables are loose
b. Problem: When I connected RS232 interface reader to PC, I could not get
power up signal.
Possible Cause
There is no power from PC series
port.
c. Problem: When I connected RS232 interface reader to PC or terminal, I got
power up signal but no data transmitted.
Possible Cause
This may cause by wrong pin out or
wrong communication protocol.
Possible Solution
Check for loose cable connections
Possible Solution
Use external power supply or take the
power from PC.
Possible Solution
Check the pin out and communication
protocol to match the PC or terminal
you are using.
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