DTU Serial

Transparent

Router run TCP/UDP client, receive DTU from serial and send it to server, receive DTU from server and write to serial.

The following settings are special to transparent UDP mode of the serial port.

Setting	Description	Default
Protocol	Transport protocol	udp
Register String	Register string for the server
Server List	List of Server address and port

The following settings are special to transparent TCP mode of the serial port.

Setting	Description	Default
Protocol	Transport protocol	tcp
Keepalive Interval	Client send keepalive packet regularly, in seconds	1
Keepalive Retry Times	Client send keepalive packet retry times before exit	1
Reconnect Interval	Client reconnect when lost connection, in seconds	1
Specific Protocol	Client connect to a tcp2com server	disable
Heartbeat Interval	Client send tcp2com heartbeat packet regularly, in seconds	1
Register String	Register string for the server
Server List	List of Server address and port

The following settings are special to Modbus mode of the serial port.

Setting	Description	Default
Local Port	Server listen port
Maximun TCP Clients	Maximun TCP clients allowed to connect
Connnection Timeout	Client connection timeout interval, in seconds
Reading interval	Device DTU read cycle interval, in seconds
Response Timeout	Device response timeout interval, in seconds
Maximun Retries	Maximun retries when reading data fail
Packet Size	Packet will be sent when the threshold reached	1024
Serial Frame Interval	Packet will be sent when the interval reached, in milliseconds	100

The following settings are special to TCP Server mode of the serial port.

Setting	Description	Default
Listening Port	TCP server listen port
Keepalive Interval	Server send keepalive packet regularly, in seconds	1
Keepalive Retry Times	Server send keepalive packet retry times before exit	1
Packet Size	Packet will be sent when the threshold reached	1024
Serial Frame Interval	Packet will be sent when the interval reached, in milliseconds	100

The following settings are special to UDP Server mode of the serial port.

Setting	Description	Default
Listening Port	UDP server listen port
Packet Size	Packet will be sent when the threshold reached	1024
Serial Frame Interval	Packet will be sent when the interval reached, in milliseconds	100

The following settings are special to MQTT mode of the serial port.

Setting	Description	Default
MQTT Host	MQTT server address or domain
MQTT Port	MQTT server port
ClientID	MQTT ClinetID when connect to server
Keepalive	MQTT Client send keepalive packet regularly, in seconds	1
Publish Topic	MQTT topic for publish message
Subscribe Topic	MQTT topic for receive message
QoS	MQTT message QoS level
Auth	MQTT authentication information	close
Username	MQTT authentication username
Password	MQTT authentication password