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Communication converter, RS232 to RS485 converter,transmit RS232 signal to RS485 signal.
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ACC-485M is a comercial converter, has surge and ESD protection .external powered. is able to transmit RS232 signal to RS485 signal.
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RS485/232 converter ACC-485B is a universal converter , internal powered, no protection design, is able to transmit RS232 signal to RS485 signal








