B&B Electronics UHR402 - Quick Start Guide User Manual
Product overview, Power the isolator check leds

Power the Isolator
Check LEDs
You may use USB cables up to the
standard 5 meter length on either the
upstream and/or downstream ports.
Downstream
Port(s)
Top View
Barrel Plug
(10-30 VDC, 7.0 W Max.)
For optimum isolation the computer/host
and the connected device should not use
the same ground.
Product Overview
Power LEDs
Port LEDs
DIN Rail/
Panel Bracket
Upstream Port
Front View
Bottom View
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.
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.
Model
Isolation
Ports
UHR401
4 kV
1
UHR402
4 kV
2
Port Ready
LED
Green
Downstream Port
Ready
Power LED
Green
Power is present
and 500 mA
is available to
downstream port(s)
1
2