Icron RG2304, User Manual

Troubleshooting

The following table provides troubleshooting tips.  The topics are arranged in the order in which they should 
be executed in most situations.  

PROBLEM 

CAUSE

SOLUTION

All LEDs on the 
Local Extender 
are off.

•  The Local Extender is not 

   receiving power from the USB 
   port.

1.  Ensure that the host computer is connected to 
     the Local Extender.

2.  Move the USB connector to another USB port  
     on the host computer.

All LEDs on 
the Remote 
Extender are off.

•  The Remote Extender is not 

   receiving power from the AC 
   adapter.

1.  Ensure that the AC power adapter is properly 
     connected to the Remote Extender.

2.  Check that the AC adapter is connected to a live 
     source of electrical power. Check that the Remote
     power LED is illuminated.

Link LEDs on 
the Local unit 
and the Remote 
Extender are off.

•  There is no connection between

   the Local and Remote Extenders.

1.  Ensure Cat 5e cable  is connected between the
     Local unit and Remote unit.  Cat 5e or better 
     cable, UTP with a straight through connector and 
     no crossovers,  and 8 conductor RJ45 connectors   
     are used at both ends. 

2.  Connect a short Cat 5e patch cord between the 
     Local and Remote Extenders to determine if the 
     original Cat 5e cable is defective.

Link LEDs are 
blinking.

•  There is no connection between

   the Local and Remote Extenders.

1.  Ensure both the Local and Remote Extenders are 
     connected together directly connected.

Link LED on the 
Local Extender 
is on, Host LED 
on the Local 
Extender is off.

•  The host computer is not 

   powered on.

•  The Local Extender is not 

   connected to the computer .

•  The host computer is not 

   recognizing the Local Extender.
  

•  The computer does not

   support USB hubs.

•  The RG2304 is malfunctioning.

1.  Disconnect all USB devices from the Remote 
     unit.

2.  Disconnect the Local Extender from the 
     computer.

3.  Disconnect the Remote Extender from the AC 

power adapter.

4.  Reconnect the Local Extender to the computer.

5.  Reconnect the Remote Extender to the AC power 

adapter.

6.  In the Universal Serial Bus controllers section of 
     Device Manager, check that the RG2304 is 
     recognized as a “Generic USB Hub”.

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