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IT6302 user manual
USER MANUAL
26
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Calibration date
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Chapter 4 Communication between power
supply and PC
4.1 Communication module introduction
The DB9 interface connector on the rear panel of IT6302 power supply is TTL level, and you
need to use level converter to connect PC series port.
Notice: please don’t connect IT6302 with standard RS232 cable. It may damage the
power supply.
4.1.1 IT-E121 communication module
The DB9 interface connector on the rear panel of IT6302 power supply is TTL level. You
need to use IT-E121 communication module and standard RS232 straight-through cable to
connect DB9 interface connector of power supply and RS232 interface connector of PC.
4.1.2 IT-E122 communication module
The DB9 interface connector on the rear panel of IT6302 power supply is TTL level. You
could use IT-E122 communication module and standard USB straight-through cable (one
end is B connector, and the other end is A connector) to connect DB9 interface connector of
IT-E121 communication cable
PC
Power
supply
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