RS232 TO RS485 User Manual
Revision: V1.0, Date：20200620
4
PWR : Power indicator, turns red when power supply is connected
TXD: Transmit indicator, turns green when data is transmitted from RS232 port.
RXD: Receive indictor, turns blue when data is received by RS232 port
Environment:
Temperature: -15
℃
~70
℃
Humidity: 5%RH~95%RH
Note: The switch on board is used to enable/disable the 120R terminal resistor. The terminal resistor
is recommend for the Start and End devices.
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