Details
Modem InformationDOCSIS 3.0 Dual Band WiFi Modem 24×8 channel bonding To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required | Highest Service LevelUltimate 500 |
Front View
| After the cable modem successfully registers on the network, the Power, Upstream, Downstream, and Internet indicators illuminate continuously to indicate that the modem is online and fully operational. For more details, refer to the Troubleshooting section. | |
Back View
| The Netgear C7500 has the following ports available on the back of the modem.
| |
MAC Address
| MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F). A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device. |
Troubleshooting
The lights indicate the current status of your modem. To troubleshoot any connection problems, use the table below.
| Modem Light | Status | Problem |
|---|---|---|
| Power
| Off | No power. No power is supplied to the modem router. |
| White | None. Power is supplied to the modem router. | |
| Red | The cable modem is too warm and might overheat. A red power light indicates thermal cutoff mode.
| |
| Downstream
| Blinking White | Scanning for downstream channel. Verify all cable connections and try resetting the modem. |
| Solid Amber | None. Connection established on one downstream channel. | |
| Solid White | None. Operating on more than one downstream channel. | |
| Off | Downstream channel inactive. Verify all cable connections and try resetting the modem. | |
| Upstream
| Off | Upstream channel inactive. Verify all cable connections and try resetting the modem. |
| Blinking White | Scanning for upstream channel. Verify all cable connections and try resetting the modem. | |
| Solid Amber | None. Connection established on one channel. | |
| Solid White | None. Operating on more than one upstream channel. | |
| Internet
| Off | Modem offline. Verify all cable connections and try resetting the modem. |
| Blinking White | None. The modem router is synchronizing with the cable provider’s cable modem termination system (CMTS). | |
| Slow Blinking Amber or White | The modem router reached the traffic meter limit. | |
| Solid White | None. The modem router is online. | |
| 2.4 GHz
| Off | 2.4 GHz radio off. |
| Solid White | None. 2.4 GHz radio on and operational. | |
| Blinking | The router is sending or receiving WiFi traffic. | |
| 5 GHz
| Off | 5 GHz radio off. |
| Solid White | None. 5 GHz radio on and operational. | |
| Blinking | The router is sending or receiving WiFi traffic. |
Manufacturer Resources
Netgear_C7500_Modem_User_Manual [PDF]
Netgear_C7500_QSG [PDF]
Netgear_C7500_Data_Sheet [PDF]






















