August 2003
Intermediate to advanced
320 pages
10h 14m
English
Content preview from Practical TCP/IP and Ethernet Networking for Industry
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LAN system components 189
10.11 Thin servers
Thin servers are essentially single-channel terminal servers. They provide connectivity
between Ethernet (10BaseT/100Base-TX) and any serial devices with RS-232 or RS-485
ports. They implement the bottom 4 layers of the OSI model with Ethernet and layer 3/4
protocols such as TCP/IP, SPX/IPX and DEC LAT.
A special version, the industrial thin server, is mounted in a rugged DIN rail package. It
can be configured over one of its serial ports, and managed via TELNET or SNMP. A
software redirector package enables a user to remove a serial device such as a weigh-
bridge from its controlling computer, locate ...