ATEN IC485S Service Manual
FCC Information
This equipment has been tested and f ound to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy, and if not
installed and used in accordance with the instruction manual, may
cause interference to radio communic ati on s. However, ther e is no
guarantee that interference will not occur in a particular installation. If
this equipment does cause ha rmful interf erence to radio o r televisi on
reception, which can be determined by turning the equipment off and
on, the user is encourag ed to try to corr ect the i nterfer ence by one or
more of the following measures:
Reorient or relocate the re ceiving antenna;
Increase the separation betwee n the equipment and receiver;
Connect the equipment into an outlet on a circuit different from
that which the receiver is conn ected;
Consult the dealer or an experi enced radio/television technician
for help.
RoHS
This product is RoHS compliant.
SJ/T 11364-2006
The following contains information that relates to China.
IC485S /IC485SI User
Manual
Online Registration
International http://support.aten.com
North America http://www.aten-u sa .com/ product_registration
Telephone Support
International 886-2-8692-6959
China 86-10-5255-0110
Japan 81-3-5323-7178
Korea 82-2-467-6789
North America ATEN TECH 1-888-999-ATEN
ATEN NJ 1-732-356-1703
United Kingdom 44-8448-158923
Technical Support
For international online technical support – including
troubleshooting, documentation, and software updates:
http://support.aten.com
For North American technical support:
Email ATEN TECH support@aten-usa.com
ATEN NJ sales@aten.com
Online Technical Support ATEN TECH http://www.aten-usa. com/support
ATEN NJ http://support.aten.com
Troubleshooting
Documentation
Software Updates
Telephone ATEN TECH 1-888-999-ATEN
ATEN TECH http://www.aten-usa.com
ATEN NJ http://www.aten.com
ATEN NJ 1-732-356-1703
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Packa ge Conte nts
Copyright © 2006 ATEN® International Co., Ltd.
Manual Part No. PAPE-0075-201
Manual Date: 2010-03-26
ATEN and the ATEN logo are trademarks of ATEN International Co., Ltd. All rights
reserved. All other trademarks are the property of their respective owners.
The RS232 / RS485 Interface Converter package contains the
following items:
IC-485S or IC-485SI Interface Converter
1 Power Adapter (DC 9V; 300mA)
1 User Manual*
Check to make sure that all the components are present and that
nothing got damaged in shipping. If you encounter a problem,
contact your dealer.
Read this manual thoroughly and follow the installation and
operation procedures carefully to prevent any damage to the unit,
and/or any of the devices connected to it.
* Features may have been added to the IC485S /IC485SI since
this manual was printed. Please visit our website to download
the most up-to-date version of the manual.
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Overview
Although RS-232 serial ports are found on almost every
computer, because of their slow transmission speeds, limited
range, and limited networking capabilities, they are not an
effective solution for industrial strength long distance
communications systems.
Systems based on the RS-485 standard, however, utilize
different voltage lines for the data and control signals, so they are
not subject to the RS-232 limitations.
The IC-485S / IC-485SI is a bidirectional converter that
transparently converts RS-232 signals to RS-485 signals (and
vice versa). The IC-485S / IC-485SI provides Point-to-Point;
Multidrop; and Simplex operations over distances of up to 1200
m (4000 ft.), thus permitting the creation of reliable long distance
data communications systems using standard computer
hardware.
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switch configuration
Spare
Power Jack
RJ-11
Terminal Block
SW 1
SW 2
RS-232 DB-25 Female Connecter
The IC-485S / IC-485SI’s operating mode parameters are set
with two slide switches:
SW1 sets the Device Mode
SW2 sets the Transmitting and Receiving Mode
IC-485S Switch Settings
Position
1 DCE TxO, RxON
SW1 SW2
Setting
2 DTE TxRTS, RxRTS
3 Monitor TxRTS, RxON
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