Introduction 28
IOLAN Features
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.
zHL— Offered as a 4-port unit (RJ45 only), this model is a Hazard Location model. The SDS HL
model is suitable for use in Class I, Divison 2 groups A, B, C, D or unclassified locations.
NOTE: In order to comply with the ATEX directive, the IOLAN SDS4 HL must be installed in
an ATEX certified IP54 min. enclosure and the IOLAN SDS4 HL must be installed so
that the unit’s labelling is visible.
zSee Hardware for information about the hardware specifications for your IOLAN model. See
Software for a list of the basic and advanced software features.
IOLAN Features
The IOLAN is a communications server used 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. It also allows LAN devices to access devices or equipment attached to IOLAN serial ports.
This section highlights the hardware and software components you can expect to find in your IOLAN
model.

Hardware

Hardware Features IOLAN Models
Desktop Rack Mount Medical
unit
DS1
DS1 I/O
TS2
SDS1\3
SDS1/2/4 P
SDS1 I/O
SDS2/4HL
STS4 P
STS4\8D
SDS
SCS
STS
MDC
Serial
Connectors
DB25F z z
DB25M z z
RJ45 zzzz zzzzzzz
DB9M zz z z
Galvanically
Isolated Serial
Ports
RJ45 z
Serial Interface
EIA-232 zzzzzzzzzzzzz
EIA-422 zz zzzz z
EIA-485 zz zzzz z
Serial Power In
Pin
DB25F z z
DB25M z z
RJ45 zzz zz
z1
Serial Power Out
Pin
DB25F z
DB25M z
RJ45 zz zz
z1