6.5、USB-A port
It is used to updated the screen firmware
6.6、USB-B port
This port is a USB communication port, which can be used for USB communication
with the selected upper computer software of our company (Need to apply for).
To use this port, the corresponding “USB to serial port chip CH340T driver”
should be installed in the computer.
6.7、
Parallel port
a) This port is used for parallel communication, through which the parallel modules can communicate with each other.
b) Each machine has two 8Pin ports, one for the parallel_A and one for the parallel_B.
c) When connecting, make sure to connect the local Parallel_A to the parallelized machine Parallel_B, or the local Parallel_B
should be connected to the parallelized machine Parallel_A.
d) Do not connect local parallel_A to local parallel_B.
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