TC-52B转换器通过从RS-232端口取电来实现RS-232到RS-422/485转换,它将RS-232的TxD和RxD信号转换为半双工的2线RS-485差分信号或全双工的4线RS-422/485信号
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DIP Switch Settings | ||
RS-422 | SW1 | SW2 |
OFF | OFF | |
2-wire RS-485 | SW1 | SW2 |
ON | ON | |
4-wire RS-485 | SW1 | SW2 |
ON | OFF | |
Terminator Enb/Dis | SW3 | SW3 |
ON | OFF |