SENA LS110 User Manual

Page 28

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Figure 4-1 shows the State Transition Diagram of the session operations in TCP server mode.

Closed

Established

Listen

Data

Incoming TCP connection request

Inactivity time-out

Incoming TCP

disconnection request

Incoming data via serial port

Incoming data

from remote host

Sync-Recvd

Accept

Reject

Figure 4-1 State Transition Diagram of TCP server mode

3) Parameters

Local port

This is the TCP port number through which remote host can connect a TCP session, and, send

and receive data. Incoming connection request to the ports other than Local Port will be rejected.

The LS110 does not restrict the number to a specific range, but it is strongly recommended not to

use the well-known ports for certain application (See Appendix B: Well-known Port Numbers). To

change the port number, refer to next example.

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