Front Panel LED Status Indicator Functions
Normal Operations (AC Power applied)
The following chart illustrates the appearance of the LED status indicators on the front panel of the cable modem during normal operations when AC power is applied to the modem.
Front Panel LED Status Indicators During Normal Operations
Front Panel | Normal Operations | |
Indicator |
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1 | POWER | On |
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2 | DS | On |
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3 | US | On |
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4 | ONLINE | On |
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5 | LINK | On – When a single device is connected to either the Ethernet |
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| or USB port and no data is being sent to or from the modem |
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| Blinks – When only one Ethernet or USB device is connected |
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| and data is being transferred between the consumer premise |
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| equipment (CPE) and the cable modem |
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| Off – When no devices are connected to either the Ethernet or |
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| USB ports |
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| Note: With both Ethernet and USB devices connected to the |
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| modem at the same time, when data is being transferred |
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| through only one of the devices (Ethernet or USB), the indicator |
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| will illuminate continuously. Whenever data is being sent |
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| through both data ports (Ethernet and USB) simultaneously, |
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| the indicator will blink as described above. |
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6 | TEL1 | On – When telephony service is enabled |
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| Blinks – When line 1 is in use |
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7 | TEL2 | On – When telephony service is enabled |
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| Blinks – When line 2 is in use |
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8 | BATTERY | On – When battery is charged |
| (optional | Blinks – When battery charge is low |
| model only) | |
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| Off – When there is no battery in the unit |
4028520 Rev A | 35 |
