Sena LS100W User Manual download pdf (Page 34)

2) Operations

Serial data transfer

When a session has been established, the LS100W reads the data from the serial port buffer till

internal serial buffer is full or inter-character time interval reaches the time specified as inter-

character timeout value. Then, it transfers the data to the IP address of the remote host. If there’s

no remote host connected to the LS100W, all the incoming data from the serial port are discarded.

Session disconnection

The connected session will be disconnected when the remote host sends disconnection request

or when no data transfer activity is found through the serial port for a certain amount of time,

which is “Inactivity timeout”.

Figure 5-1 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 5-1. State Transition Diagram of TCP server mode

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Sena LS100W User Manual Page 34