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Operating instructions
M.2 RS232 module
Item no. 1693023
Intended use
The product is intended for installation in a computer with M.2 port, to provide one RS232 port.
For safety and compliance reasons, the product must not be converted or modified in any way. If you use
the product for other purposes than those described above, the product may be damaged. Furthermore,
an improper use involves risks such as short-circuits, fire, electric shocks, etc. Please read the operating
instructions carefully and do not discard them. If you pass the product on to a third party, please include the
operating instructions.
This product complies with the applicable national and European regulations. All names of companies and
products are the trademarks of the respective owners. All rights reserved.
Package contents
• M.2 board
• RS232 cable
• Attachment screw
• CD with driver
• Operating instructions
Up-to-date operating instructions
Download the latest operating instructions via the link www.conrad.com/downloads or scan the QR code.
Follow the instructions on the website.
Explanation of symbols
An exclamation mark in a triangle indicates important instructions in these operating instructions
which absolutely have to be observed.
The arrow symbol indicates specific tips and advice on operation.
Safety instructions
Please read the operating instructions carefully and pay particular attention to the safety
instructions. We do not assume liability for any injuries/material damages resulting from
failure to observe the safety instructions and the information in these operating instruc-
tions regarding the proper use of the product. Furthermore, in such cases, the warranty/
guarantee will be null and void.
• The product is not a toy. Keep out of the reach of children and pets.
• Do not carelessly cast aside the packaging material. It may become a dangerous plaything
for children.
• Protect the product from extreme temperatures, direct sunlight, strong vibrations, high humid-
ity, moisture, combustible gases, vapours and solvents.
• Never expose the product to mechanical stress.
• If safe operation is no longer possible, take the device out of service and secure it against
unintended use. Safe operation is no longer possible, if the product:
- shows visible damage,
- no longer functions properly,
- has been stored under adverse ambient conditions for an extended period of time or
- has been exposed to considerable strain during transport.
• Please handle the product with care. The product can be damaged if crushed, struck or
dropped, even from a low height.
• Also observe the safety and operating instructions of any other devices that are connected
to this product.
• Never use the product immediately after moving it from a cold room into a warm one. The
condensation that forms may damage the product under certain circumstances. Allow the
product to reach room temperature before connecting it to the power supply and putting it into
use. In some cases, this may take several hours.
• If you have doubts about how the product should be operated or how to safely connect it,
consult a qualified technician.
• Maintenance, adjustment and repair work should only be carried out by an expert or a spe-
cialised workshop.
• If you have any questions that are not answered in these operating instructions, please con-
tact our technical customer service or other professionals.
Installation
Turn off the computer in which you intend to install the module and disconnect it from the mains voltage,
unplug mains plug.
Open the housing.
Connect the RS232 cable with module paying attention to the correct connector (do not use force).
The module can now be installed in a free M.2 port.
The module is based on USB. Due to the gap in the contact strip of the module, it will only fit into
an M.2 port with the code "Key A+E", "Key A" or "Key E". They provide a PCIe as well as a USB
port.
If the M.2 port does not provide a USB connection, it cannot be installed.
Hold the module at a slight angle and insert it into the M.2 port. Pay attention to the orientation of the board
with respect to the M.2 port. Afterwards, fold it down and screw it tight. Depending on the M.2 port, an ap-
propriate spacer might have to be attached (if necessary, an existing spacer might have to be attached in a
different location so that the module can be screwed tight).
For pin 9 of the RS232 port, it is possible to toggle between "RI" and "5 V/DC" using a jumper. To do this,
observe e.g., the operating instructions of the device you want to connect to the RS232 port ("RI" = "ring
indicator"; 5 V/DC = pin 9 provides a voltage of 5 V/DC for the power supply of appropriate RS232 devices).
If in doubt, set the jumper to the RS232 default setting "RI".
Lay the flat cable in such a way that it does not obstruct fans in their operation. Depending on the installation
location of the module (computer, mini PC or laptop), the 9-pin RS232 socket must be screwed tight in an ap-
propriate location (if necessary, a suitable slot sheet must be bought separately, not included in the delivery)
or it must be removed from the housing.
When closing the housing, take care not to damage the flat cable.
Getting started & driver installation
• If the module was installed in a laptop, insert the battery you might have removed before.
• Switch on your computer and wait until the operating system has booted completely. Windows then finds
the new hardware; cancel the hardware detection.
• Insert the enclosed driver CD into the corresponding drive on your computer. If your computer does not
have an appropriate drive, you can copy the driver e.g., to a pen drive using another computer.
At the time of preparation of these operating instructions, the required driver, was found in the
directory "USB Device\Pl2303" on the enclosed CD. Take a look at its contents; start the instal-
lation programme in the directory and follow the instructions.
Disposal
Electronic devices are recyclable and do not belong in the household waste. Dispose of an
unserviceable product in accordance with the relevant statutory regulations. You thereby fulfil
your statutory obligations and contribute to the protection of the environment.
Technical data
Operating voltage ................................. 5 V/DC via M.2 port
Design .................................................. 2230 with "Key A+E" slot
Interface ................................................ USB-based
Interface chip ........................................ 16550
Data rate ............................................... up to 230 kbps
Signal at pin 9 ....................................... can be toggled between "RI" and "5 V/DC"
Cable length RS232 ............................. approx. 260 mm
Operating system requirement ............. Windows 2000/XP or higher
Operating conditions ............................. -40 °C to +80 ºC, 20% to 80% relative humidity, non condensing
Operating conditions ............................. -40 °C to +85 ºC, 15% to 90% relative humidity, non condensing
This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or the capture in
electronic data processing systems require the prior written approval by the editor. Reprinting, also in part, is prohibited.
This publication represent the technical status at the time of printing.
© Copyright 2018 by Conrad Electronic SE.
1693023_V1_0618_02_VTP_m_en
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