TROUBLESHOOTING THE USB 400 FO EXTENDER
PROBLEM | CAUSE | SOLUTION |
Link LEDs on Sender unit | There is no connection | 1. Ensure that a |
and Receiver unit are off. | between the Sender unit | multimode fiber optic |
| and Receiver unit. | cable with crossover is |
|
| connected between the |
|
| Sender and Receiver |
|
| units. |
|
| 2. Connect a fiber optic |
|
| crossover patch cord |
|
| between the Sender and |
|
| Receiver units. Recheck |
|
| operation of the system. |
Link LED on Sender / | The host computer is not | 1. Disconnect all |
Receiver units are on, | powered on. | USB devices from the |
Host LED on Sender/ | The Sender unit is | Receiver unit. |
Receiver units are off. |
| |
| not connected to the | 2. Disconnect the Sender |
| computer (when used | |
| unit from the computer. | |
| with the optional Sender | |
|
| |
| 5VDC power supply). | 3. Disconnect the |
|
| |
| The computer does not | Receiver unit from the |
| support USB hubs. | 5VDC power supply. |
| The USB 400 FO is | 4. Reconnect the Sender |
| malfunctioning. | |
| unit to the computer. | |
|
| |
|
| 5. Reconnect the |
|
| Receiver unit to the |
|
| 5VDC power supply. |
|
| 6. In the Universal Serial |
|
| Bus controllers section of |
|
| Device Manager, check |
|
| that the USB 400 FO is |
|
| recognized as a “Generic |
|
| USB Hub”. |
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