This description is only intended for the use of trained specialists in control and automation engineering who are
familiar with the applicable national standards. It is essential that the following notes and explanations are followed
when installing and commissioning these components.
1.1.1 Liability Conditions
The responsible staff must ensure that the application or use of the products described satisfy all the requirements
for safety, including all the relevant laws, regulations, guidelines and standards.
The documentation has been prepared with care. The products described are, however, constantly under
development. For that reason the documentation is not in every case checked for consistency with performance
data, standards or other characteristics. None of the statements of this manual represents a guarantee (Garantie)
in the meaning of § 443 BGB of the German Civil Code or a statement about the contractually expected fitness for
a particular purpose in the meaning of §434 par.1 sentence 1 BGB. In the event that it contains technical or
editorial errors, we retain the right to make alterations at any time and without warning. No claims for the
modification of products that have already been supplied may be made on the basis of the data, diagrams and
descriptions in this documentation.
1.1.2 Conditions of delivery
Furthermore the general conditions of delivery of company Beckhoff Automation GmbH apply.
All the components are supplied in particular hardware and software configurations appropriate for the application.
Modifications to hardware or software configurations other than those described in the documentation are not
permitted, and nullify the liability of Beckhoff Automation GmbH.
1.2.2 Description of safety symbols
The following safety symbols are used in this operating manual. They are intended to alert the reader to the
associated safety instructions.
Danger
Warning
Note
This symbol is intended to highlight risks for the life or health ofpersonnel.
This symbol is intended to highlight risks for equipment, materials or the environment.
This symbol indicates information that contributes to better understanding.
CU8860-00002
2Product Overview
2.1Introduction
Product Overview
The Beckhoff USB-Extender-Rxallows to extend the limits of USB cable length. Standard USBcable are specified
for cable length up to 5 meters. For some industrial applications there is need for longerdistances. This box can
extend the distance up to 50 meters. This box receive the externded USB signals from sending box CU8800 and
convert them back to USB. It also conditions the DVI video signals. Other outstanding features are:
User-friendly installation via mounting kit
Optional installation via top hat rail adapter
24 VDCsupply voltage –the standard in industrial evironments
12 Mbit, and 1,5 Mbit support for compatibility to all USB1.1 standards
Standard CAT5 network cable for extension
compact industrial design
clear quick diagnosis by separate LEDs for USB and DVI conditi ons
CU8860-00003
Product Overview
2.2Technical Data
Product nameCU8860-0000
Number of USB type Aports (downstream)1
Number of USB–Extender-Rxports(RJ45)1
Number of DVI Input ports1
Number of DVI Output ports1
Supported standardDVI, USB 1.1
Supported baud rates USB12 Mbit (Full Speed), 1,5 Mbit (Low Speed)
Supported Modes DVI640 x 480 @ 60 Hz,
800 x 600 @ 60 Hz,
1024 x 768 @ 60 Hz,
1280 x 1024 @ 60 Hz
Status display2 LEDs
USB wiring length (host to extender)maximum 1 meter
USB extension wiring lengthmaximum 50 meters
USB wiring length (extender to hub/device) maximum 5meters
Power supply to USBmaximum 100 mA (without additional power supply)
maximum 500 mA (with connected additional power supply)
Additional Power supply
Power consumption 1,15 W
Dimensions (w x h x d)app. 160 mm x 30 mm x 80 mm
Weightapp. 360 g
Permissible ambient temperature 0°C to +55°C (operation)
Permissible relative humidity5% to 95%, no condensation
EMC resistance burst / ESDEN60000-6-2/ EN 60000-6-4
Vibration / Shock resistanceEN 60068-2-6 / EN 60068-2-27, EN60068-2-29
AssemblyAdapter for mounting on 35 mmmounting rail conforms to EN 50022