4-Port CAT5 USB 2.0 Extender
Table
Problem | Cause | Solution |
All LEDs on both the | 1. The USB device | 1. Disconnect the extender from the computer. |
local unit and the remote | is malfunctioning. |
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unit are on, but the USB |
| 2. Connect the USB device directly to the USB port on the |
device does not operate | 2. The computer does not | computer. |
correctly or is detected as an | recognize the USB device. |
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“Unknown Device” in the |
| 3. If the device does not operate properly, consult the user |
operating system. | 3. The application software for | documentation for the device. |
| the device is not operating. |
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| 4. Update your system BIOS, chipset, or USB host controller |
| 4. The extender is | drivers from your system/motherboard manufacturer’s |
| malfunctioning. | drivers from your system/motherboard manufacturer’s |
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| Web site. |
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| 5. If the device operates properly when directly connected |
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| to a computer, connect another device (of a different |
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| type) to the extender. Connect the extender to the |
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| computer. |
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| 6. If the second device does not operate, the extender may |
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| be malfunctioning. Contact Black Box Technical Support |
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| at |
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| 7. If the second device does not operate properly, the first |
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| device may not be compatible with the extender. |
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A USB device is attached | A USB device must have the | 1. Install the required USB device driver on the computer |
to the remote unit USB | appropriate driver installed on | operating system before attaching the USB device to the |
port, but the remote unit | the computer operating system. | remote unit. See your USB device manufacturer’s Web |
device LED is off. |
| site for details. |
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| 2. Consult your USB device documentation and power your |
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| USB device with the additional, USB device manufacturer |
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| supplied, power supply (if available). |
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Device LED is orange and | Overcurrent condition has | Power cycle the remote unit. |
units are no longer | occurred because USB device |
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functioning. | draws more power than can |
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| be supplied per USB |
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| specification (500 mA). |
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LED Host and LINK LEDs | Firmware mismatch between | 1. Use a different local unit and remote unit that have the |
on local/remote units | the local unit and the remote unit. | same firmware revision. |
blink intermittently. |
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| 2. Upgrade the local unit/remote unit firmware. Contact |
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| Black Box Technical Support at |
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| info@blackbox.com for assistance. |
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