Comtrol DeviceMaster AIR User Manual page 36

SocketServer Overview
36 - DeviceMaster AIR User Guide: 2000365 Rev. C
Serial tunneling mode is used to establish a socket connection between two
DeviceMaster AIR units through an ethernet network.
DeviceMaster
Ethernet Hub
UDP mode is designed for applications that need faster data transmission, or that
make use of UDP's broadcast capabilities. UDP differs from TCP in that a UDP
transmission does not first require a connection to be opened before sending data
and the receiving device does not issue acknowledgements to the sender.
UDP Mode
Ethernet Hub
LAN/WAN
Ethernet Hub
Dumb Terminal
LAN/WAN
Serial Tunneling Mode
1 2 3
DeviceMaster
DeviceMaster
Serial Device
DeviceMaster
Ethernet Hub
Printer
4
Serial RS-232 connections
In this example, four
PCs receive data
simultaneously from one
serial device.
Configuring SocketServer