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Name
Instruction
Web
page
download
Support to control the serial port output command via the web page,
only the products with suffix W have this function.
DNS
The destination IP can be domain name (such as the server
address starting with www)
REAL_COM
protocol
A non-transparent transmission protocol of serial device server,
suitable for multi-port serial device server to bind virtual serial port
through Internet. Since the protocol contains MAC address it helps
the upper computer to identify the device. Normally can no use.
Modbus TCP to
RTU
Only the products with the third Number 4 of the model support the
function. Can realize Modbus TCP to RTU. Also support multi-host
function.
Serial port modify
parameter
Support serial port AT-like commands to configure and read device
parameters.
Automatic get IP
Support DHCP client protocol.
Storage extension
EX function
Subsequent extension
Multi-TCP
connection
Support more than one TCP connection when as a TCP server.
IO port control
The model of third number 4 support arbitrary custom commands to
control 8 IO outputs.
UDP multicast
UDP multicast
Multiple destination
IP
Support for simultaneous connection of 7 destination IP when as a
TCP client.
Proxy server
Support for proxy server capabilities (require specific models).
SNMP function
Support SNMP to Modbus RTU protocol. This feature is supported
only by the model with suffix -snmp.
P2P function
Support the ability to access the devices in any network through
P2P (peer-to-peer) technology. This feature is supported by model
of suffix N.
4.3 TCP Communication Test
After configuring the device parameters, can use serial port tool and TCP debugging tool
to do communication test for TCP connections.