B&B Electronics UHR402 Quick Start Guide
Product Overview
Top View
Downstream
Port(s)
Front View
Bottom View
Barrel Plug
(10-30 VDC, 7.0 W Max.)
Port LEDs
DIN Rail/
Panel Bracket
Power LEDs
Power the Isolator
1
The power supply provided with this product
has been tested and certified. Use of any other
power supply is NOT recommended.
The USB isolator is transparent to the operating
system. It does not require configuration.
Check LEDs
2
Port Ready
LED
Power LED Green
Green
Downstream Port
Ready
Power is present
and 500 mA
is available to
downstream port(s)
You may use USB cables up to the
standard 5 meter length on either the
upstream and/or downstream ports.
Upstream Port
Model Isolation Ports
UHR401 4 kV 1
UHR402 4 kV 2
For optimum isolation the computer/host
and the connected device should not use
the same ground.
Do not immerse any portion of the
isolator in water or other liquids.
Avoid spilling any liquids on the
isolator and any attached cables.
Liquids may damage the unit.
You can clean the isolator with a soft
cloth moistened with tap or distilled
water and a mild soap if appropriate.
Do not use abrasive materials, cleaners
or strong solvents.
Troubleshooting
USB Power
Manufacturers don’t always adhere to the USB
specifications. You may discover that your computer/
host is not providing the full 500 mA at the upstream
USB port.
The UHR401 & UHR402 will restore the full 500 mA
power and provide it to downstream USB devices.
A powered USB hub like B&B Electronics’ UHR304
will also provide 500 mA to downstream devices,
while giving you additional USB ports at the
same time.
http://www.bb-elec.com/product_multi_family.asp?
MultiFamilyId=126&TrailType=Sub&Trail=934
USB Range
USB has a range limitation of five meters. You can
extend the range up to 30 meters using USB hubs.
For longer ranges you can use USB extenders.
Recommended Accessories
USB Extender
http://www.bb-elec.com/UHR40x/
ACC
GU C E51
4-Port Powered USB Hub
http://www.bb-elec.com/UHR40x/
ACC
UHR304
UHR401 & UHR402
USB-to-USB Isolators
Fast, Easy Answers
http://www.bb-elec.com/Subcategory.asp?Sub
Categor yId=33&Trail=16&TrailType=Top
Certifications
• FCC Class B
• CE
• EN61000-6-2:2005: Heavy Industrial
• EN61000-4-2:2008 (ESD)
• EN61000-4-3:2006 (RI)
• EN61000-4-4:2004 (EFT Burst)
• EN61000-4-5:2005 (Surge)
• EN61000-4-6:2005 (CI)
• EN61000-4-8:2001 (Magnetic)
• IEC60068-2-27 (Shock)
• IEC60068-2-6 (Vibration)
• IEC60068-2-32 (Drop)
Document number – p/n 8978 r002 UHR40x - 1412
• First, check step 2.
• 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/UHR40x
1-888-948-2248 | Europe: +353 91 792444
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 M anufactu ring Company
First Things First...
Before you begin, be sure you have
the following:
12 VDC Power Adapter
Additional Items, which may be required
but not included:
DIN Rail Adapter DRAD35
Fast and easy on the web:
www.bb-elec.com
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