IOLAN DS1/TS2 User’s Guide, Version 4.5 20
Introduction Chapter 1
1

About the IOLAN

The IOLAN is an Ethernet communications/terminal server that allows serial devices to be connected
directly to LANs. The IOLAN 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 IOLAN allows you to use a wide range of high speed devices
in complex application environments. The IOLAN products will work in any server environment
running TCP/UDP/IP.

IOLAN Family Models

The IOLAN comes in several different models to meet your network needs:
zDS—Offered as a 1-port unit (DB25M, DB25F, RJ45, and DB9M interfaces available), this
model provides general IOLAN functionality and supports software configurable serial interface
protocols EIA-232/422/485.
zTS—This model is available with two serial ports (RJ45 only) and supports EIA-232 only. The
TS model is similar to the DS model supporting only general IOLAN functionality.
zSDS—This model is available in both desktop and rack mount configurations. Both models
support software configurable serial interface protocols EIA-232/422/485. The SDS model has
the advanced secure IOLAN feature set in addition to the general IOLAN functionality.
zSTS—This model comes in one desktop model and several rack mount configurations. All
models support EIA-232 only. The STS model has the advanced secure IOLAN feature set in
addition to the general IOLAN functionality.
zSCS—This model comes in several rack mount configurations. All models support EIA-232
only and have an internal PCI card interface. The SCS model has the advanced secure IOLAN
feature set in addition to the general IOLAN functionality.
zMDC—Offered as a 4-port and 8-port unit (RJ45 only), this model is a medical unit compliant
with IEC 60601-1 and has galvanically isolated EIA-232 serial ports. The MDC model has the
advanced secure IOLAN feature set in addition to the general IOLAN functionality.
See Hardware for information about the hardware specifications for your IOLAN model. See
Software for a list of the basic and advanced software features.