Gefen EXT-USB-400FON user manual Troubleshooting the USB 400 FO Extender

Models: EXT-USB-400FON

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TROUBLESHOOTING THE USB 400 FO EXTENDER

PROBLEM

CAUSE

SOLUTION

USB device

A USB device must have

1. Install the required

is attached to

the appropriate driver

USB device driver on the

Receiver USB

installed on the computer

computer operating system

port but Receiver

operating system

prior to attaching the USB

device LED is off

 

 

device to the Receiver unit.

 

 

 

 

Please see your USB device

 

 

manufacturer’s website for

 

 

details.

 

 

2. Consult your USB device

 

 

documentation and power

 

 

your USB device with the

 

 

additional, USB device

 

 

manufacturer supplied, power

 

 

supply (if available).

 

 

 

Device LED is

Overcurrent condition has

1. Power cycle Receiver.

orange and units

occurred because USB

 

are no longer

device draws more power

 

functioning.

than can be supplied

 

per USB specification

 

 

 

 

(500mA).

 

 

 

 

LED Host and

Firmware mismatch

1. Use a different Sender/

LINK LEDs on

between the Sender and

Receiver pair which have the

Sender/Receiver

Receiver.

same firmware revision.

units blink

 

2. Upgrade the Sender/

intermittently.

 

 

Receiver firmware, contact

 

 

 

 

technical support for

 

 

assistance.

 

 

 

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Gefen EXT-USB-400FON user manual Troubleshooting the USB 400 FO Extender