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NPort 6000 Series Configuring Serial Port Operation Modes

7-15

In effect, the serial port that is in Pair Connection Master mode will be acting as a TCP client and the one that

is slave mode will be acting as a TCP server. In practice, it does not matter which port is the master and which

port is the slave.

TCP alive check time (default=7 min): This field specifies how long the NPort 6000 will wait for a response

to “keep alive” packets before closing the TCP connection. The NPort 6000 checks connection status by sending

periodic “keep alive” packets. If the remote host does not respond to the packet within the time specified in this

field, the NPort 6000 will force the existing TCP connection to close. For socket and device control modes, the

NPort 6000 will listen for another TCP connection from another host after closing the connection. If TCP alive

check time is set to 0, the TCP connection will remain open even if there is no response to the “keep alive”

packets.

Secure (default=Disable): If you select Enable, data sent through the Ethernet will be encrypted with SSL.

ATTENTION

When establishing a Pair Connection between two serial ports on two different NPort 6000 servers, make sure

that if one side is configured for data encryption,

the other side is also set up for data encryption (i.e.,

both

are yes or both are no).

Destination IP address: The Pair Connection Master will contact the network host that has the specified IP

address. The port will default to 4001. Make sure the port numbers match on both the Pair Connection Master

and Slave.

Pair Connection Slave Mode

TCP alive check time (default=7 min): This field specifies how long the NPort 6000 will wait for a response

to “keep alive” packets before closing the TCP connection. The NPort 6000 checks connection status by sending

periodic “keep alive” packets. If the remote host does not respond to the packet within the time specified in this

field, the NPort 6000 will force the existing TCP connection to close. For socket and device control modes, the

Moxa Technologies NPort 6000 Series User Manual

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