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Installation and fixing
You can fix the isolator to a suitable point, e.g. a wall or furniture, by means of the mounting
brackets on the housing (4).
• Install the isolator on a stable base with the mounting brackets and suitable screws (not
included).
Ensure that no existing cables or pipes (including water pipes) are damaged when
drilling mounting holes or securing screws.
• Remove all connected devices and unplug the power adapter from the DC12V mains
connection (3) on the isolator before installation.
Ensure that the mains socket for connecting the power adapter is close to the place
of installation.
Proceed as follows to fix the isolator with screws:
• Position the isolator in the desired installation position as a template. Use a spirit level for
alignment, if necessary.
• Mark the holes for two to four suitable screws through the holes in the mounting brackets.
Drill the holes. Depending on the surface, suitable screws and/or dowels may be required.
Screws for wood or for screwing in the wall plugs for masonry are not included with the
product and must be purchased separately.
• Attach the isolator with dowels and screws through the mounting holes at both ends.
• Align the isolator after fixing it to the base and tighten the screws adequately (not over-tight).
To do this, always use an appropriate screwdriver.
Connection diagram of the insulator
Pin
Assignment
DB9 (pin)
RS-232C DTE
1
GROUND
2
TXD
3
RXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
The product with item no. 1886908 has pins 1 to 3 connected only. The remaining
pins are inactive.
Setup
The isolator is integrated in series between the terminal device (DTE) and transmission device.
• Connect the RS232 DTE connection (2) of the isolator to e.g. a computer using the enclosed
DB9 serial cable.
• Connect the RS232 connection (5) of the isolator to a data transmission device, e.g. a
modem, at the other end using the enclosed DB9 serial cable.
• Connect the low-voltage plug on the power adapter to the DC12V mains connection (3) to
connect the supply voltage. The PWD LED (6) lights up.
• The isolator now protects the associated upstream and downstream devices during operation.
• The RXD (yellow) (7) and TXD (green) (1) LEDs indicate data exchange over the cables by
flashing.
Care and cleaning
• Disconnect the product from the mains before each cleaning.
• Never use aggressive detergents, rubbing alcohol or other chemical solutions, as these may
damage the housing or stop the product from functioning properly.
• Use a dry, lint-free cloth to clean the product.
Disposal
Electronic devices are recyclable waste and must not be disposed of in the
household waste. At the end of its service life, dispose of the product according to
the relevant statutory regulations.
You thus fulfil your statutory obligations and contribute to environmental protection.
RS-232C DCE
GROUND
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
Technical data
a) Isolator item no. 1886910
Input voltage/current .......................... 9 to 40 V/DC
Supports ............................................ EIA RS-232 and CCITT V.24 (asynchronous, full duplex)
Connections ....................................... 2x serial RS232 interface via DB9 cable
Discharge voltage .............................. 2500 V/AC (rms) or 500 V/DC
Data transmission rate ....................... 300 bit/s to 57600 bit/s
Power supply (bus) ............................ RS232 (TXD, RTS or DTR)
Transmission range ........................... Up to 60 m (at 9600 bit/s)
System requirements ......................... Windows
Operating conditions .......................... -5 to +85 °C, 5 - 95 % relative humidity (non-
Storage conditions ............................. -5 to +90 °C, 5 - 95 % relative humidity (non-
Dimensions (W x H x D) .................... 84 x 25 x 125 mm
Weight ............................................... 170 g
b) Isolator item no. 1886908
Input voltage/current .......................... 9 to 40 V/DC
Supports ............................................ EIA RS-232 and CCITT V.24 (asynchronous, full duplex)
Connections ....................................... 2x serial RS232 interface via DB9 cable
Discharge voltage .............................. 2500 V/AC (rms) or 500 V/DC
Data transmission rate ....................... 300 bit/s to 57600 bit/s
Power supply (bus) ............................ RS232 (TXD, RTS or DTR)
Transmission range ........................... Up to 40 m (with 9600 bit/s)
System requirements ......................... Windows
Operating conditions .......................... -5 to +85 °C, 5 - 95 % relative humidity
Storage conditions ............................. -5 to +90 °C, 5 - 95 % relative humidity
Dimensions (W x H x D) .................... 84 x 25 x 125 mm
Weight ............................................... 170 g
c) Power adapter
Input voltage/current .......................... 100 - 240 V/AC, 50/60 Hz, max. 0.5 A
Output voltage/current ....................... 9 V/DC, max. 0.5 A
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. photocopying, microfilming or capturing in
electronic data processing systems) requires prior written approval from the publisher. Reprinting, also in part, is
prohibited. This publication reflects the technical status at the time of printing.
Copyright 2019 by Conrad Electronic SE.
2000, XP (Home, Pro, with SP1, SP2, SP3,
®
32 bit only), Vista™ (32 Bit), 7 (32/64 Bit), 8 & 8.1
(32/64 Bit), 10 (32/64 Bit), RT, 10S
Mac OS, Linux, Android iOS, Windows Phone,
Blackberry, Symbian etc.
condensing)
condensing)
2000, XP (Home, Pro, with SP1, SP2, SP3,
®
32 bit only), Vista™ (32 Bit), 7 (32/64 Bit), 8 & 8.1
(32/64 Bit), 10 (32/64 Bit), RT, 10S
Mac OS, Linux, Android iOS, Windows Phone,
Blackberry, Symbian etc.
(non-condensing)
(non-condensing)
*1886908_10_v1_0419_02_DS_m_4L_(1)
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