IOLAN Device Server User’s Guide, Version 1.0 17
Introduction Chapter 1
1
About the IOLAN Device Server
The Device Server is an ethernet communications/terminal server that allows serial devices to be
connected directly to LANs. The Device Server can connect to a wide range of devices including:
zTerminals for multi-user UNIX systems
zData acquisition equipment (manufacturing, laboratory, scanners, etc.)
zRetail point-of-sale equipment (bar coding, registers, etc.)
zPCs using terminal emulation
zModems for remote access and Internet access
zISDN adapters for branch remote access and Internet access
zAll types of serial printers
The performance and flexibility of the Device Server allows you to use a wide range of high speed
devices in complex application environments. The Device Server will work in any server
environment running TCP/UDP/IP.
Device Server Features
The Device Server is a communications server with 1 port for making serial network connections. It
attaches to your TCP/IP network and allows serial devices such as modems, terminals, or printers to
access the LAN.
Hardware
The Device Server hardware features include:
zAuto sensing 10/100 RJ45 interface.
zUniversal, software-selectable EAI-232/422/485 interface.
zFull modem control using DTR, DSR, CTS, RTS and DCD.
zTx and Rx activity indicators.
zExternal AC power supply or power over serial.
zLEDs for diagnostic testing.
zSelf-test on power-up.
zReset switch.