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Hub 3x RS-485 Converter with RS-485 Automatic Data Direction Control, Isolation Protection 3kV on RS-232
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4-port RS-485 HUB, converter, isolation, RJ-45, 4x RS-485
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USB to RS485 Converter with RS-485 Automatic Data Direction Control, 3 RS-485 Ports, Isolation Protection 3kV, hub
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Isolated 4 Channels RS-485 Active Hub, 4 RS-485 outputs, 1 RS-485 input, converter
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The RS-485 pull-high/pull-low and termination resistors module (RoHS), hub
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Isolated RS-232 to 4 Channels RS-485 Active Hub, 1 input, 4 output channels, converter