Communication With Pc - ITech IT8500plus Series User Manual

IT-E122 has a USB interface on one end,you can use IT-E122 and an a
standard USB extension cable to connect the DB9 interface connector of the
DC load and the USB interface connector of computer for the communication.
IT-E123 Communication Module
The DB9 interface connector on the rear panel of the DC load is TTL voltage
level;
The interface on both side port of IT-E123 are DB9 interface and RS485
interface, you
can use the communication module IT-E123 and an a standard RS485-RS232
conversion cable to connect the DB9 interface connector of the DC load and
the RS-232 interface connector of computer for the communication.

5.2 Communication with PC

Before using the remote operation mode, please make sure that the baud rate
and communication address in the DC load are the same as in the computer
software, otherwise, the communication will fail, you can change the baud rate
and communication address from the front panel or from computer.
RS485 pins
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Communication Interfaces
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