E-Net E-P132-X User Manual page 29

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□ Serial Port 1
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The first serial port of E-P132-X series is RS-232.
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□ Socket port
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□ Port number
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A socket port assigned for serial port. It's 16-bit numbers, ranging from 1 to
65535. Because the numbers below 1000 are used for specific purposes
(e.g. 80 for HTTP protocol), we suggest you use the numbers larger than
1000. Generally the port number 4660 is used for the serial communication.
However you should specify different port number for each serial port.
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□ Socket type
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TCP Server: TCP protocol, open passive to be connected from TCP clients.
TCP Client: TCP protocol, open active to connect TCP server.
UDP Client: UDP protocol, connectionless.
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□ Interface
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RS232: TxD, RxD for data stream, no flow control.
RS232 (RTS/CTS): TxD, RxD for data stream, RTS/CTS for flow control.
RS232 (RTS/CTS, DTR/DSR): TxD, RxD for data stream, RTS/CTS for flow
control. DTR for socket status, DSR for control socket open/close.
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□ Baud rate, parity, data bits, stop bits
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Baud Rate: 300 ~ 230400 bps
Parity: None, Even, Odd
Data Bits: 5, 6, 7, 8
Stop Bit: 1 or 2
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□ Serial Port 2
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The second serial port is RS-422/485.
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