1. Introduktion
The Linksys CG7500 is a 2-in-1 AC1900 Wi-Fi Cable Modem Router designed to provide high-speed internet access. This device combines a DOCSIS 3.0 24x8 cable modem with an AC1900 Wi-Fi router, offering a streamlined solution for your home network. It is certified for use with major cable internet providers such as Xfinity by Comcast and Spectrum by Charter.
This manual will guide you through the setup, operation, and maintenance of your CG7500 to ensure optimal performance and connectivity.
2. Pakkens indhold
Før du begynder, skal du kontrollere, at din pakke indeholder følgende varer:
- Linksys CG7500 AC1900 Cable Modem Router
- Ethernet kabel
- Strømadapter
- Hurtig startvejledning

Figure 1: Linksys CG7500 retail packaging, showing the modem router and its key features.
3. Opsætningsvejledning
Follow these steps to set up your Linksys CG7500 Cable Modem Router:
- Tilslut koaksialkablet: Connect one end of the coaxial cable (not included) to the cable wall outlet and the other end to the Cable port on the back of your CG7500.
- Tilslut strømadapteren: Plug the power adapter into the Power port on the back of the CG7500 and then into an electrical outlet.
- Tænd: Wait for the modem router to power on. The Power, Receive, Send, and Status LEDs on the front panel should eventually turn solid green, indicating a successful connection. This process may take several minutes.
- Connect a Device (Optional):
- Kablet forbindelse: Connect one end of the included Ethernet cable to any of the LAN ports on the back of the CG7500 and the other end to the Ethernet port on your computer.
- Trådløs forbindelse: Locate the Wi-Fi network name (SSID) and password on the label at the bottom of your CG7500. Connect your wireless devices to this network.
- Aktivér din internettjeneste:
Åbn a web browser on a connected device. You should be redirected to your Internet Service Provider's (ISP) activation page. Follow the on-screen instructions to activate your service. If you are not redirected, contact your ISP's customer support and provide them with the MAC address and serial number located on the bottom label of your CG7500.

Figure 2: Rear panel of the Linksys CG7500, highlighting the coaxial cable input, Ethernet LAN ports, and USB port.

Figure 3: Bottom label of the Linksys CG7500, displaying default Wi-Fi network name (SSID) and password, along with the model number and MAC address.
4. Operating Your Modem Router
The Linksys CG7500 operates as both a cable modem and a Wi-Fi router, providing internet access to your devices.
LED-indikatorer
LED'erne på frontpanelet giver statusoplysninger:
- Magt: Indikerer strømstatus.
- Modtage: Angiver forbindelse til downstream-kanalen.
- Sende: Angiver forbindelse til opstrøms kanal.
- Status: Angiver internetforbindelse.
- LAN: Angiver aktivitet på Ethernet LAN-portene.
- 2.4GHz: Indicates 2.4 GHz Wi-Fi band activity.
- 5GHz: Indicates 5 GHz Wi-Fi band activity.
- USB: Angiver aktivitet på USB-porten.

Figure 4: Front panel of the Linksys CG7500, showing the status indicator lights for various functions.
Trådløs forbindelse
The CG7500 supports AC1900 Wi-Fi, offering dual-band connectivity (2.4 GHz and 5 GHz) for various devices. The 2.4 GHz band provides wider coverage, while the 5 GHz band offers faster speeds for closer devices.
Kablet tilslutning
The device includes four Gigabit Ethernet LAN ports for high-speed wired connections to computers, gaming consoles, or other network devices. A USB 2.0 port is also available for connecting external storage devices.
5. Vedligeholdelse
To ensure the longevity and optimal performance of your Linksys CG7500, consider the following maintenance tips:
- Placering: Place the modem router in a central location, away from obstructions and other electronic devices that may cause interference. Ensure adequate ventilation to prevent overheating. The vertical design with ventilation holes is intended to help with heat dissipation.
- Rensning: Regularly clean the exterior of the device with a soft, dry cloth. Avoid using liquid cleaners or aerosols.
- Firmwareopdateringer: Tjek jævnligt Linksys support website for firmware updates. Keeping your device's firmware up-to-date can improve performance, add new features, and enhance security.
- Genstarter: If you experience connectivity issues, try rebooting the modem router by unplugging the power adapter, waiting 10-15 seconds, and then plugging it back in.
6. Fejlfinding
If you encounter issues with your Linksys CG7500, refer to the following common troubleshooting steps:
- Ingen internetforbindelse:
- Kontrollér alle kabelforbindelser (koaksial, Ethernet, strøm) for at sikre, at de er fastgjort.
- Verify that the Power, Receive, Send, and Status LEDs are solid green. If not, contact your ISP.
- Reboot the modem router and your connected devices.
- Confirm your internet service is active with your ISP.
- Langsom Wi-Fi-hastighed:
- Sørg for, at dine enheder er tilsluttet det korrekte Wi-Fi-bånd (5 GHz for hurtigere hastigheder, 2.4 GHz for bredere rækkevidde).
- Reduce interference by moving the modem router away from other electronics.
- Check your ISP plan to ensure your modem router supports the subscribed speeds. The CG7500 is DOCSIS 3.0 24x8, suitable for plans up to 300 Mbps.
- Hyppige afbrydelser:
- Ensure the modem router is not overheating. Its ventilated design helps, but ensure it's not in an enclosed space.
- Perform a factory reset (using a paperclip to press the reset button on the back for 10 seconds) if issues persist after basic reboots. Note that a factory reset will erase all custom settings.
- Contact Linksys support or your ISP if problems continue.
Video 1: An informational video from Linksys explaining how owning your modem can save money and how to choose the right modem for your internet plan, including details on download/upload channels.
7. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Linksys |
| Modelnummer | CG7500 |
| Trådløs type | 2.4 GHz Radio Frequency, Dual-Band (AC1900) |
| DOCSIS-standarden | DOCSIS 3.0 (24x8 kanalbinding) |
| Ethernet-porte | 4 x Gigabit Ethernet LAN |
| USB-porte | 1 x USB 2.0 |
| Dimensioner (LxBxH) | 7.36 x 3.46 x 9.53 tommer |
| Varens vægt | 2.04 pund |
| Operativsystem | Linux |
| Speciel funktion | WPS (Wi-Fi Protected Setup) |
8. Garanti og support
For warranty information and technical support, please refer to the documentation included with your product or visit the official Linksys support website. Linksys provides resources and assistance for product setup, troubleshooting, and general inquiries.
You can typically find support contact details and FAQs on the Linksys webwebsted: www.linksys.com/support





