14
REMOTE PORT USB—1-PORT
4. Troubleshooting
4.1 Problems, Causes, and Solutions
Problem:
The Power LED on the LEX or REX unit is not lit.
Cause:
The LEX or REX unit is not receiving power.
Solution:
Make sure the power adapter is securely connected to the LEX or REX
unit and to a proper local power supply outlet.
Problem:
The Power LED on the REX unit is not lit.
Cause:
The connection between the LEX and REX units is not correct.
Solution:
Make sure that the proper Category 5 UTP cable with straight-through
conductors is connected between the REX and LEX units.
Problem:
The Link LEDs on the LEX unit are not lit.
Cause:
The connection between the LEX and REX units is not correct.
Solution:
Make sure that the proper Category 5 UTP cable with straight-through
conductors is connected between the REX and LEX units.
Problem:
The Link LEDs on the REX unit are not lit.
Cause:
(a) The computer is not functioning or (b) the computer does not
recognize the Remote Port USB unit.
Solution:
1. Reset the computer.
2. If the link LEDs are still not lit:
a. Close all USB device applications on the computer.
b. Disconnect the LEX unit’s USB connector from the computer.
