B&B Electronics UHR304 Quick Start Guide
Product Overview
Front View
Connect Your Power Supply
2
USB Power
The non-isolated UHR204 can operate without
an external power supply (USB power-only mode). When
the hub is running on USB power it provides a maximum
of 100 mA to each of the downstream ports.
4
LED Status
Model UHR204
Non-Isolated
To USB Host
LED
Indicators
Side View
Detachable
Terminal Block
Mounting
1
DIN Rail Mounting
Attach the DIN rail bracket
with the flat surface of the
bracket facing the back
of the hub.
Downstream Ports
Barrel Plug Power
When an external power supply is used the UHR204
will provide 500 mA to each of the downstream ports.
External Power
Unlike the non-isolated UHR 204, the isolatedUHR304
will not operate without an external power supply.
You can use the detachable terminal block input or the
locking barrel jack. Terminal block is polarity protected.
When powered, the UHR204 and UHR304 will provide
500 mA to each downstream port. They require 10 to
30 VDC external power and will consume a maximum
of 16 W.
3
We strongly recommend that you ground the chassis.
Connect a grounding wire from the green ground lug
to a good source of earth ground.
Grounding
LED Type State Description
Hub is running on USB power.
External power is not applied. Hub
ON
USB Power
External
Power
Port LEDs
can supply up to 100 mA per downstream device.
Hub is either using external power,
OFF
or no power is present.
External power is applied and an
active host connection exists. The
ON
hub will provide 500 mA per downstream port.
Hub is bus powered or no power is
OFF
present.
ON Port is Active and ready for use.
Port has a Fault. Power may need to
OFF
be cycled.
Model UHR304
Isolated
Panel Mounting
The panel mount
brackets can be
attached to either side
of the hub. They can be
attached in (4) positions:
Up, Down, Forward
and Back.
You can order a grounding strap at:
http://www.bb-elec.com/product.asp?sku=CU15B
LED Type State Description
Power is present. HUB will supply
ON
External Power
Port LEDs
500 mA per downstream port.
OFF No power is present.
ON Port is Active and ready for use.
Port has a Fault. Power may need
OFF
to be cycled.
Troubleshooting
The UHR204 hub is installed, but
a downstream device doesn’t seem
to be working.
Some USB devices get their power from the USB cable.
If you are using the UHR204 without an external power
supply it will only provide 100 mA to the downstream
ports. If your devices need more power, connect an
external power supply to the UHR204. It will then
provide 500 mA to the downstream ports.
Recommended Accessories
and Power Supplies
External Power Supply
http://www.bb-elec.com/UHRx04/
ACC
PS12VLB - INT- M E D
Do I need drivers for a USB hub?
No, the operating system will detect it and install
it automatically.
How can I be sure it has been installed?
The new hub will be listed in your Device Manager.
Can I use USB 1.1 and USB 2.0
devices together?
Yes. USB 2.0 is backwards-compatible with USB 1.0
and USB 1.1.
What is the difference between
the UHR204 and the UHR304?
Both hubs are ruggedized for tough industrial
applications. The UHR304 adds 4 kV isolation.
ABOUT USB:
Video: Making USB Reliable in Rugged
Applications
www.bb-elec.com/tech_articles/video_usb-tech-tips.asp
Video: USB Hub Introduction
www.bb-elec.com/tech_articles/video_UHR304.asp
Industrial Power Supply
http://www.bb-elec.com/UHRx04/
ACC
PS5R-SC24
Fast, Easy Answers
• First, check step 3.
• Then use your smart
phone to access complete
documentation on our
web site. Simply scan
the code to the right.
http://www.bb-elec.com/UHRx04
1-888-948-2248 | Europe: +353 91 792444
UHR204 & UHR304
Non-Isolated Isolated
Industrial 4-Port USB Hubs
First Things First...
Before you begin, be sure you have
the following:
4-Port Industrial USB Hub
USB Cable
Panel Mount Adapters
DIN Rail Adapter
Power Supply
(optional but not included)
Document number – p/n 8739 r002 UHRx04 - 2212
www.bb-elec.com
707 Dayton Road | PO Box 1040 | Ottawa, IL 61350
Phone: 815-433-5100 | Fax: 815-433-5109
www.bb-elec.com | E-mail: info@bb-elec.com
© 2012 B&B Electronics Ma nufactu ring Company
Fast and easy on the web:
www.bb-elec.com
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