
20
ICOM Overview - SOHOware v1.1 39
Mode: TCP Client (Event Handling)
Mode: TCP Client (Event Handling)
§ Connection is initiated by the Device Server
§ Data destination is specified at Device Server setup
§ Applications: barcode/RFID scanner, GPS receiver, etc.
Ethernet
RS-232
Host
Computer
Device
Server
ICOM Overview - SOHOware v1.1 40
Mode: Modem Emulation
Mode: Modem Emulation
§ The Device Server emulates a dial-up modem
§ Select remote devices by “dialing” or “receiving a call”
§ Applications: legacy modem-based apps (SCADA)
To connect to Device Server #2
the host computer sends:
ADTD 192.168.2.22:5201
Ethernet
RS-232
Host
Computer
Device
Server #1
192.168.2.21
Device
Server #2
192.168.2.22
RS-232
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