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Page 20 IC502A
Chapter 4: Troubleshooting
Problem: Status LED is off on one or both units.
Cause(s):
1. The computer went into suspend, hibernate, or sleep mode.
2. The computer tried to suspend the USB 3.0 port that the Local Extender is connected to.
Solution(s):
1. Power cycle the Remote Extender and the devices connected to the Remote Extender.
2. Power cycle the Local and Remote Extenders, and the devices connected to the REX.
3. Follow the steps in “Preparing Your Computer” in Section 3.3.2 to disable suspend modes on your computer. Refer to your
operating system’s manual for additional instructions if necessar y.
Problem: Host LED on Local/ Remote Extenders is off.
Cause(s):
1. The host computer is not powered on.
2. The Local Extender is not connected to the computer (when used with the optional Local Extender AC adapter).
3. The IC502A is malfunctioning.
Solution(s):
1. Disconnect all USB devices from the Remote Extender.
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 IC502A is recognized as two “Superspeed
Hubs” or two “3.0 Hubs.”
NOTE: It may be recognized as “Superspeed Hub,” “3.0 Hub,” or by other names, depending on the operating system and driver
installed.