1. Producte acabatview
The Cisco DPC3008 is a high-performance DOCSIS 3.0 cable modem designed to provide high-speed broadband internet access. It is compatible with various internet service providers, including Xfinity/Comcast, Spectrum, AT&T, TWC, and Cox. This modem supports advanced channel bonding technology, allowing for faster download and upload speeds.

Figura 1: Frontal esquerre view of the Cisco DPC3008 Cable Modem.
2. Contingut del paquet
Assegureu-vos que tots els elements estiguin presents al vostre paquet:
- Cisco DPC3008 Cable Modem
- Cable Ethernet
- Adaptador d'alimentació
- Guia d'inici ràpid (si s'inclou)
3. Característiques del maquinari
3.1. Front Panel LEDs
The front panel of the DPC3008 features several LED indicators that provide status information about the modem's operation.

Figure 2: Front panel LED indicators with corresponding numbers.
| No. | Nom del LED | Estat | Descripció |
|---|---|---|---|
| 1 | PODER | Verd sòlid | El mòdem està engegat. |
| 2 | DS (Aigües avall) | Verd sòlid | Modem is connected to the downstream channel. |
| 3 | US (Riu amunt) | Verd sòlid | Modem is connected to the upstream channel. |
| 4 | EN LÍNIA | Verd sòlid | El mòdem està en línia i és operatiu. |
| 5 | ENLLAÇ | Verd sòlid | S'estableix l'enllaç Ethernet. |
3.2. Rear Panel Ports and Buttons
El panell posterior proporciona tots els ports de connexió necessaris per al mòdem.

Figure 3: Rear panel showing power, Ethernet, USB, Reset, and Cable ports.
- Port d'alimentació: Es connecta a l'adaptador de corrent.
- Ethernet Port (LAN): Es connecta a l'ordinador o al router mitjançant un cable Ethernet.
- Port USB: (Functionality may vary, typically not used for standard operation).
- Botó de restabliment: Used to reset the modem to factory default settings. Use a pointed object to press.
- Cable Port (Coaxial): Connects to the coaxial cable from your internet service provider.
4. Configuració i instal·lació
Follow these steps to set up your Cisco DPC3008 cable modem:
- Trieu una ubicació: Place the modem in a central location, away from direct sunlight and heat sources, with good ventilation. Ensure it is near a coaxial cable outlet and a power outlet.
- Connecteu el cable coaxial: Connect one end of the coaxial cable to the cable wall outlet and the other end to the Cable port on the rear of the modem. Tighten the connectors hand-tight.
- Connecteu el cable Ethernet: Connect one end of the Ethernet cable to the Ethernet port on the modem and the other end to the Ethernet port on your computer or wireless router.
- Connecteu l'adaptador d'alimentació: Connecteu l'adaptador d'alimentació a Poder port on the modem and then plug the adapter into an electrical outlet.
- Encès: The modem will automatically power on. Wait for the front panel LEDs (POWER, DS, US, ONLINE, LINK) to become solid green. This process may take several minutes.
- Activa el servei: Once the ONLINE LED is solid green, open a web browser on your connected computer. You may be redirected to your Internet Service Provider's (ISP) activation page. Follow the on-screen instructions. If not redirected, you may need to call your ISP to activate the modem. Provide them with the modem's MAC address and serial number, usually found on a sticker on the bottom or back of the modem.
Nota important:
- Ensure your cable account is active and supports DOCSIS 3.0, 2.0, or 1.1.
- This modem will not work with DSL service.
5. Funcionament del mòdem
The Cisco DPC3008 operates automatically once successfully installed and activated. It provides a direct internet connection to your connected device (computer or router).
5.1. Connecting to a Router
For multiple devices or wireless connectivity, connect a wireless router to the modem's Ethernet port. Ensure the router's WAN/Internet port is connected to the modem.
5.2. Power Cycling
If you experience connectivity issues, a simple power cycle can often resolve them:
- Unplug the power adapter from the modem.
- Espereu almenys 30 segons.
- Plug the power adapter back into the modem.
- Wait for the modem to fully restart and for the ONLINE LED to become solid green.
6. Manteniment
The Cisco DPC3008 requires minimal maintenance. Follow these guidelines to ensure optimal performance:
- Mantenir ventilat: Ensure the modem's ventilation slots are not blocked. Proper airflow prevents overheating.
- Netegeu suaument: Feu servir un drap suau i sec per netejar l'exterior del mòdem. No utilitzeu netejadors líquids ni aerosols.
- Protegir dels elements: Keep the modem away from water, excessive humidity, and extreme temperatures.
- Connexions segures: Periodically check that all cables (coaxial, Ethernet, power) are securely connected.
7. Solució De Problemes
If you encounter issues with your Cisco DPC3008, refer to the following troubleshooting tips:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense alimentació (LED POWER apagat) | L'adaptador de corrent no està connectat o la presa de corrent està defectuosa. | Assegureu-vos que l'adaptador de corrent estigui connectat correctament al mòdem i a una presa de corrent que funcioni. Proveu una altra presa de corrent. |
| DS/US LEDs Flashing or Off | No signal from ISP or poor coaxial connection. | Check coaxial cable connections at the modem and wall outlet. Ensure they are hand-tight. Contact your ISP if the issue persists. |
| ONLINE LED Flashing or Off | Modem not registered with ISP or service issue. | Ensure DS and US LEDs are solid. Power cycle the modem. If still flashing, contact your ISP for activation or to report a service outage. |
| No Internet Access (LINK LED Off/Flashing) | Ethernet cable issue or connected device problem. | Check Ethernet cable connection between modem and computer/router. Try a different Ethernet cable. Ensure your computer/router is configured correctly. |
| Velocitat d'Internet lenta | Network congestion, ISP issue, or modem overheating. | Power cycle the modem. Ensure proper ventilation. Contact your ISP to check your service speed and line quality. |
If these steps do not resolve your issue, please contact your Internet Service Provider for further assistance.
8. Especificacions
| Característica | Detall |
|---|---|
| Número de model | DPC3008 (FBA_DPC3008-CC) |
| Estàndards DOCSIS | DOCSIS 1.0, 1.1, 2.0, 3.0 Certified |
| Estàndards Ethernet | 802.3, 802.3u (10/100/1000BASE-T) |
| Downstream Channels | 8 bonded channels (up to 340 Mbps / 440 Mbps) |
| Upstream Channels | 4 bonded channels (up to 120 Mbps) |
| Interval de freqüència aigües avall | 88 a 1002 MHz o 54 a 1002 MHz |
| Interval de freqüència aigües amunt | 5 to 42 MHz, 5 to 65 MHz, or 5 to 85 MHz |
| Ports | Power, Ethernet (RJ-45), Cable (F-type female 75 ohm) |
| Botons | Restableix |
| Indicadors LED | Power, DS, US, Online, Link |
| Dimensions (A x A x P) | 5.92 x 4.80 x 1.15 polzades |
| Pes | 8.4 oz |
| Requisits mínims del sistema | Existing cable account, DOCSIS 3.0/2.0/1.1 compatible ISP |
9. Legal Disclaimer and Important Information
Certain units may not be available for activation with specific Internet Service Providers (ISPs). If the ISP was the previous owner of the unit, the customer’s ISP must have deactivated the Serial Number for the unit to be activated. Please check with your Internet Service Provider to ensure activation is possible before purchase or installation.
10. Atenció al client
For technical support or further assistance, please contact your Internet Service Provider (ISP). They are responsible for supporting the cable modem once it is activated on their network.
For general product information or if you have questions before activation, you may visit the Botiga Cisco a Amazon.





