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Operating instructions
4 Port USB 3.0 Hub Metallic
Item no. 2588272
Intended use
This product serves to connect up to four additional USB devices. It has been designed to be
connected a computers with USB interfaces. The product is designed for mounting on even
surfaces (e.g. wall, bottom-side of desk etc.). Power supply is provided via a computer USB
port or the power supply unit included in delivery.
It is intended for indoor use only. Do not use it outdoors. Contact with moisture, e.g. in
bathrooms, must be avoided under all circumstances.
For safety and approval purposes, you must not rebuild and/or modify this product. If you use
the product for purposes other than those described above, the product may be damaged.
In addition, improper use can cause hazards such as short circuiting, fire, electric shock etc.
Read the instructions carefully and keep them. Make this product available to third parties only
together with its operating instructions.
This product complies with the statutory national and European requirements. All company
names and product names are trademarks of their respective owners. All rights reserved.
Delivery content
• USB hub
• Power supply unit
• USB cable
• Operating instructions
Latest operating instructions
Download the latest operating instructions via the link www.conrad.com/downloads or scan the
QR code shown. Follow the instructions on the website.
Explanation of symbols
The lightning symbol inside a triangle is used when there is a potential risk of
personal injury, such as electric shock.
An exclamation mark in a triangle indicates important instructions in this operating
manual that absolutely have to be observed.
The arrow symbol indicates specific tips and advice on operation.
Safety instructions
Read the operating instructions carefully and especially observe the safety
information. If you do not follow the safety instructions and information
on proper handling in this manual, we assume no liability for any resulting
personal injury or damage to property. Such cases will invalidate the warranty/
guarantee.
• The device is not a toy. Keep it out of the reach of children and pets.
• Do not leave packaging material lying around carelessly. This may become
dangerous playing material for children.
• Protect the product from extreme temperatures, direct sunlight, strong jolts, high
humidity, moisture, flammable gases, vapours and solvents.
• Do not place the product under any mechanical stress.
• If it is no longer possible to operate the product safely, take it out of operation and
protect it from any accidental use. Safe operation can no longer be guaranteed
if the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in poor ambient conditions or
- has been subjected to any serious transport-related stresses.
• Please handle the product carefully. Jolts, impacts or a fall even from a low height
can damage the product.
• Also observe the safety and operating instructions of any other devices which are
connected to the product.
• The product is intended for use only in dry, indoor locations. No part of the product
should become damp or wet; never handle it if your hands are wet! Wall plug
transformers have the potential to cause a fatal electric shock!
• The design of the wall plug transformer complies with Protection Class II. Use
only a standard mains socket as the power source for the wall plug transformer.
• Use the USB hub only with the enclosed wall plug transformer.
• Do not pull the wall plug transformer from the mains socket by pulling on the cable.
• If the wall plug transformer is damaged, do not touch it; there is danger to life from
electric shock!
Switch off the mains voltage to the mains socket to which the wall plug transformer
is connected (e.g. switch off at the corresponding circuit breaker or remove the
safety fuse and then switch off the RCD).
You can then unplug the wall plug transformer from the mains socket. Dispose of
the faulty wall plug transformer in an environmentally friendly way, do not use it
any more.
Replace it with a new wall plug transformer with the same specifications.
• Never use the product immediately after it has been taken from a cold room to a
warm one. The condensation that forms might damage the product under certain
circumstances. Furthermore, this could cause a lethal electric shock!
Allow the product to reach room temperature before connecting it to the power
supply and putting it to use. This may take several hours.
• When setting up the product, make sure that the cable is neither kinked nor
pinched.
• Do not apply force when inserting or removing the USB3.0 cable into/from the
USB3.0 hub, because the USB3.0 sockets on the hub can become damaged.
Such damage causes loss of guarantee/warranty!
• Connect the appliance to a wall socket that can be accessed easily.
• As power supply, only use the supplied mains adaptor.
• Only connect the power adaptor to a normal mains socket connected to the public
supply. Before plugging in the power adaptor, check whether the voltage stated on
the power adaptor complies with the voltage of your electricity supplier.
• Never connect or disconnect power adaptors if your hands are wet.
• Never unplug the power adaptor from the mains socket by pulling on the cable;
always use the grips on the plug.
• When setting up the product, make sure that the cable is not pinched, kinked or
damaged by sharp edges.
• Always lay the cables so that nobody can trip over or become entangled in them.
This poses a risk of injury.
• For safety reasons, disconnect the power adaptor from the mains socket during
storms.
• If the product is not to be used for some time (e.g. during storage), unplug the wall
plug transformer.
• Consult an expert when in doubt about operation, safety or connection of the
device.
• Maintenance, modifications and repairs are to be performed exclusively by an
expert or at a qualified shop.
• If you have questions which remain unanswered by these operating instructions,
contact our technical support service or other technical personnel.
Mounting
• Put the hub onto a flat, horizontal surface or, alternatively, mount the hub with four screws
(not included) onto a suitable surface capable of bearing the load.
Operation
• Connect the USB A-type plug to a vacant USB port of your PC.
• Connect the USB mini-B-type plug to the hub's mini-B socket. The blue LED lights up
indicating that the hub is now operational.
The USB hub can also be operated without the enclosed wall plug transformer.
In which case, the hub functions in the so-called "Bus-Powered-Mode". This means
that the current (according to the standard, up to 900 mA for USB3.0 and up to
500 mA for USB2.0), supplied by the computer via the USB, is distributed to the 4
ports.
This is sufficient for e.g. most mice or keyboards, but many other devices may
not work correctly (e.g. external 6.35 cm/2.5" hard disks, card readers with
CompactFlash hard disk, USB cameras etc.).
In which case, power the USB hub via the enclosed wall plug transformer ("Self-
Powered-Mode"), each USB port on the hub will then provide a higher current.
If you notice that a device which is connected to the USB hub does not work
correctly, or is not recognised, operate the USB hub via the wall plug transformer.
• If you use the power supply unit, plug it first into a mains outlet with suitable operating voltage.
• Connect the power supply unit's low-voltage plug to the hub's corresponding input socket. The
LED on the power supply lights up.
You can connect up to four USB devices to the hub. The hub supports Plug & Play
and hot-swapping (device drivers are automatically recognized and the devices
themselves can be removed while the OS is running).
Once you connect a data transfer capable USB device to the hub, the green status
LED above the relevant USB port lights up.
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