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Serial Protocols
RS400 55 ROS™ v3.5
2.2 Serial Protocols Operation
2.2.1 Serial Encapsulation Applications
2.2.1.1 Character Encapsulation (Raw Socket)
Character encapsulation is used any time a stream of characters must be reliably transported
across a network.
The character streams can be created by any type of device. The baud rates supported at either
server need not be the same. If configured, the server will obey XON/XOFF flow control from
the end devices.
Figure 30: Character Encapsulation
2.2.1.2 RTU Polling
The following applies to a variety of RTU protocols including Modbus ASCII and DNP.
Note: Users of protocols supported by Ruggedcom devices are advised to use applications for used
protocols.
The host equipment may connect to a RuggedServer™ via a serial port, may use a port
redirection package or may connect natively to the network.
Figure 31: RTU Polling