Moxa Technologies 5400 Series user manual TCP Client Mode, Local TCP port, Command port

NPort 5400 Series User’s Manual Web Console Configuration

is specified in milliseconds and must be larger than 10 ms.

If the user wants to send a series of character in a packet, the serial device attached to the NPort should send characters without time delay larger than Force Transmit timeout between characters and the total length of data must be smaller than or equal to the NPort’s internal buffer size. The NPort’s serial communication buffer size is 1K bytes per port.

Local TCP port

Setting	Factory Default	Necessity
1 to 65535	4001	Required

The TCP port that the NPort uses to listen to connections, and that other devices must use to contact the NPort. To avoid conflicts with well known TCP ports, the default is set to 4001.

Command port

Setting	Factory Default	Necessity
1 to 65535	966	Optional

The command port is a listen TCP port for IP-Serial Lib commands from the host. In order to prevent a TCP port conflict with other applications, the user can adjust the command port to another port if needed. And IP-Serial Lib will automatically check out the Command Port on the NPort so that the user does not need to configure the program.

TCP Client Mode

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