
16
ICOM Overview - SOHOware v1.1 31
The Limitations of Serial Ports
The Limitations of Serial Ports
§ Dedicated connections only
– Typically one PC or host per serial device
– Only one communication protocol at a time
§ Distance limitations
– RS-232: ~ 8 m (25 ft.)
– RS-422/485: ~ 1200 m (4000 ft.)
§ Installation cost
– Separate and dedicated cable per serial device
ICOM Overview - SOHOware v1.1 32
Network Enabling with a Device Server
Network Enabling with a Device Server
§ Quickly and easily connect serial devices to Ethernet
and IP networks
§ Little or no system changes required
RS-232
RS-232
RS-232
Ethernet
Device
Server
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