Installation problems with the cable modem are commonly due to the cable network and its topography. LEDs on the front panel of the cable modem reveal operational status and help you determine problem areas.
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| Initialization |
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| usb |
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| enet |
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| send |
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| recv |
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| sync |
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| ready |
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| Sequence |
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| Power ON |
| On |
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| Off |
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| Off |
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| Off |
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| Off |
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| Off |
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| Hardware |
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| On |
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| Off |
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| Off |
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| Off |
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| Off |
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| Off |
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| Off |
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| Testing |
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| Search |
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| Downstream |
| On |
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| X |
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| X |
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| X |
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| Blink |
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| Channel |
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| Downstream |
| On |
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| X |
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| X |
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| X |
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| X |
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| On |
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| Slow |
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| Locked |
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| Blink |
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| Search |
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| Upstream |
| On |
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| X |
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| X |
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| X |
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| X |
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| On |
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| Fast Blink |
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| Channel |
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| Ranging OK |
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| On |
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| X |
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| X |
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| X |
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| X |
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| On |
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| On |
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| Registration |
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| Success |
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| Ethernet Port |
| power |
| usb |
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| enet |
| send |
| recv |
| sync |
| ready | |||||||
| Send Data |
| On |
| Off |
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| Blink |
| Blink |
| X |
| On |
| On | |||||||
| Receive Data |
| On |
| Off |
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| Blink |
| X |
| Blink |
| On |
| On | |||||||
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| USB Port |
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| power |
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| usb |
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| enet |
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| send |
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| recv |
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| sync |
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| ready |
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| Send Data |
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| On |
| Blink |
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| Off |
| Blink |
| X |
| On |
| On | ||||||
| Receive Data |
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| On |
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| Blink |
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| Off |
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| X |
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| Blink |
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| On |
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| On |
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User’s Guide | 29 |