Short Connection; Time-Out Restart Function; Cache Cleanup - Ebyte NA111-A User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd.

4.4.3 Short connection

Supports short network connections (which are turned off by default),and TCP short

connections are primarily used to save server resources overhead and are typically used in multipoint

(multi-client)-to-one (server) scenarios.

TCP short connection function is applied to TCP Client mode, after turning on the short

connection function, only when sending information request to connect to the server, after the

connection is successful, in the set time serial port did not receive the guide data or the network port

no data send and receive, the device will automatically disconnect. It is important to note that in the

case of disconnection, the first packet of data sent activates the short connection mechanism and the

first frame of data is lost.

Short Link Hold Time turns off the short connection feature when set to 0.

range to (2-255)seconds, the short connection function is turned on and the default hold time is 0

seconds.

Note: Short connections only work in client mode, and server mode does not take effect.

Supports time-out restart (default:300 seconds), which is primarily used to ensure long-term

stable operation of the device, no data transceiver within the set time-out restart time, and the device

will restart to avoid the impact of unusual conditions on communication.

Time-out re-start time The parameter range(60-65535)is configured to 0 to indicate a

shutdown time-out restart. The default is 300 seconds.

When a TCP connection is not established, the data received by the serial port is placed in the

cache, which is 512 bytes, and when the network connection is successful, you can choose to empty

the serial cache or send the cache over the network.

Enable: The device does not save the data received by the serial port before the connection is

established.

Disabled: The network will receive serial cached data after the connection is established.

NA111-A User Manual

When you set the

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