
Industrial Electronic Devices
Ethernet to RS232 / RS485
User Manual
Revision 2.000
English
Converter / Adapter
Ethernet to RS232 / RS485
(Order Code: HD67120)
for Website information:
www.adfweb.com?Product=HD67120
for Price information:
www.adfweb.com?Price=HD67120
Benefits and Main Features:
Interfacing directly to 485 without other adaptor
Galvanic isolation between Ethernet and 232/485 bus
Protocol independent
Suitable for supervision software
SCADA/HMI and the connection to a Personal Computer
Automated control of the line directions.
Easy to use software configuration.
Compatible with: Windows 98/ME/2000/XP
Document code: MN67120_ENG Revision 2.000 Page 1 of 12
Remote
COM Port
Tunnel
Point to
Point
Tunnel
Point to
Multipoint
Similiar
For others Converter / Adapter:
RS232 / RS485
See also the following link:
www.adfweb.com?Product=HD67118
USB / RS485
See also the following link:
www.adfweb.com?Product=HD67119
Do you have an your customer protocol?
See the following link:
www.adfweb.com?Product=HD67003
Do you need to choose a device? do you want help?
Ask it to the following link:
www.adfweb.com?Cmd=helpme
ADFweb.com Srl – IT31010 – Mareno – Treviso INFO: www.adfweb.com Phone +39.0438.30.91.31

Ethernet to RS232 / RS485
Document code: MN67120_ENG Revision 2.000 Page 2 of 12
Industrial Electronic Devices
INDEX:
Page
INDEX 2
UPDATED DOCUMENTATION 2
REVISION LIST 2
WARNING 2
TRADEMARKS 2
CHARACTERISTICS 3
SOME EXAMPLES 4
SET-UP OF THE DEVICE 5
REMOTE COM PORT 7
TUNNEL POINT TO POINT 8
TUNNEL POINT TO MULTIPOINT 9
CHARACTERISTICS OF THE CABLES 10
MECHANICAL DIMENSIONS 11
ORDER CODE 11
ACCESSORIES 11
WARRANTIES AND TECHNICAL SUPPORT 12
RETURN POLICY 12
PRODUCTS AND RELATED DOCUMENTS 12
UPDATED DOCUMENTATION:
Dear customer, we thank you for your attention and we remind you that you
need to check that the following document is:
Updated
Related to the product you own
To obtain the most recently updated document, note the “document code” that
appears at the top right-hand corner of each page of this document.
With this “Document Code” go to web page www.adfweb.com/download/
search for the corresponding code on the page. Click on the proper “Document
Code” and download the updates.
To obtain the updated documentation for the product that you own, note the
“Document Code” (Abbreviated written "Doc. Code" on the label on the product)
and download the updated from our web site www.adfweb.com/download/
and
REVISION LIST:
Revision
1.000 03/04/2004 Ddt All First release version
1.001 20/09/2005 Mt
1.002 17/02/2006 Mt
1.005 19/06/2005 Ddt All documentation code changed
1.006 22/06/2007 Av All Revision
1.007 26/06/2007 Av All Revision
1.008 11/07/2007 Av All accessories code changed
2.000 12/07/2007 Av All New document format
Date Author Chapter
Description
WARNING:
ADFweb.com reserves the right to change information in this manual about our
product without warning.
ADFweb.com is not responsible for any error this manual may contain.
TRADEMARKS:
All trademarks mentioned in this document belong to their respective owners.
ADFweb.com Srl – IT31010 – Mareno – Treviso INFO: www.adfweb.com Phone +39.0438.30.91.31

Ethernet to RS232 / RS485
Document code: MN67120_ENG Revision 2.000 Page 3 of 12
Industrial Electronic Devices
CHARACTERISTICS:
Ethernet to RS232/RS485 is a professional device for using COM port through Ethernet line.
This device allow the following configuration :
Remote COM Port.
Tunnel Point to Point ( Ethernet bridge for a serial line).
Tunnel Point to MultiPoint ( typical 485 connection with Master and slaves but through Ethernet line ).
This device can be provided, on request, with a specific software, it can be a gateway for special serial protocol (HD67148).
Galvanic isolation between Ethernet and RS485 .
Rail DIN .
Ethernet 10/100 Auto-sensing .
MAX Baud Rate 115.200 bps (RS485 side).
Power Supply 12/18V AC, 3 VA, or 12/24V DC .
Temperature range -30°C to 70°C .
EMS EN 61000-6-2 .
ADFweb.com Srl – IT31010 – Mareno – Treviso INFO: www.adfweb.com Phone +39.0438.30.91.31

Industrial Electronic Devices
Ethernet to RS232 / RS485
SOME EXAMPLES:
Document code: MN67120_ENG Revision 2.000 Page 4 of 12
Figure 1: some examples
ADFweb.com Srl – IT31010 – Mareno – Treviso INFO: www.adfweb.com Phone +39.0438.30.91.31