CSE-M53G User Manual Ver. 1.0
Sollae Systems Co., Ltd.
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5
Communication Modes
5.1
TCP Server
In this mode, CSE-M53G functions as a TCP server. CSE-M53G listens to a TCP
connection from remote host. Once a host tries to connect to CSE-M53G, its responses
that request. After the connection is established, CSE-M53G converts the raw data
from the serial port to TCP/IP data and sends them to the network and vice versa.
5.1.1
Key parameters
⚫
Local Port
This is a server
’
s port number which is used in the TCP connection.
⚫
Event Byte
With setting event bytes, users can handle the serial data before a TCP
connection is established.
Value
Operation
0
CSE-M53G doesn
’
t send the data
Otherwise
(512 or
under)
CSE-M53G sends the data right after a connection is
established.
512 or under bytes are strongly recommended.
Table 5-1 Event Byte
⚫
Timeout
If there is no transmission of data for amount of time which is set to this
parameter, CSE-M53G tries to terminate established TCP connection.
⚫
Notify IP Change
This function is for notifying information about changed IP address to a
server. Not only the TCP/UDP protocol but Dynamic Domain Name Service (DDNS)
can be used.
⚫
Restriction of Access
Users can block TCP connections from unauthorized hosts by using this option.
Both IP and MAC address are available.
