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IOLAN SDS/SCS/STS/MDC User’s Guide, Version 4.5 27
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:
z Terminals for multi-user UNIX systems
z Data acquisition equipment (manufacturing, laboratory, scanners, etc.)
z Retail point-of-sale equipment (bar coding, registers, etc.)
z PCs using terminal emulation or SLIP/PPP
z Modems for remote access and Internet access
z ISDN adapters for branch remote access and Internet access
z All 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:
z DS—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.
z TS—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.
z SDS—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.The SDS
models also include the “Electric Utility” variants which include both HV (High Voltage AC and
DC) and LDC (Low Voltage DC) models as well as the TELCO-NEBS LDC model. The Iolan
SDS M model supports 1 or 3 serial ports with an intergrated V.92 modem .The SDS P is
802.3af Power over Ethernet complaint. Ethernet interface speeds of 10/100 Mbps.
z STS—This model comes in two desktop models and several rack mount configurations. All
models support EIA-232 only except for the STS P which utilizes Power over Ethernet
technology. The STS model has the advanced secure IOLAN feature set in addition to the
general IOLAN functionality.
z SCS—This model comes in several rack mount configurations. All models support EIA-232
only and have an internal PCI card interface. The internal PCI card interface can be used either
for installation of a V.92 modem card or optionally a wireless fiber card. The SCS model has the
advanced secure IOLAN feature set in addition to the general IOLAN functionality. MDC—
Offered as a 4-port and 8-port unit (RJ45 only), this model is a medical unit compliant with IEC
Introduction Chapter 1
1