Socket Characteristics; Tcp Server Characteristics - Ebyte E70-DTU User Manual

Star Network Modem
can be set, it can implement domain name resolution when the local domain name server is not complete. Users can also set
specific DNS server addresses as required, E70-DTU(433NW30-ETH) will submit a resolution request to the configured DNS
server when domain name resolution is required, more flexible and reliable.
In static IP mode, the default address of the DNS master server is 61.139.2.69, and the backup DNS server address is
192.168.4.1. In DHCP mode, the DNS server address is automatically obtained. Domain name server address supported by
the module can be set.

4. Socket characteristics

The Socket operating mode of E70-DTU(433NW30-ETH) is divided into TCP Client, TCP Server, UDP Client, and UDP
Server., it can be set with the host computer software, the setting interface is as follows:

4.1 TCP Server characteristics

1) In TCP Server mode, E70-DTU(433NW30-ETH) monitors the local port, receiving and establishing a connection for
data communication when a connection request is sent. When the E70-DTU(433NW30-ETH) serial port receives data, it will
transmit data to all client devices which established a connection with the E70-DTU(433NW30-ETH).
Chengdu Ebyte Electronic Technology Co., Ltd.
Figure 3 Setting interface
E70-DTU(433NW30-ETH)_User Manual
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