Solid green means the device is powered on. Red indicates a self-test failure.
The is a DOCSIS 3.0 cable gateway (modem + router combo). It’s common in Europe and some other regions for mid-tier broadband plans. It’s not a high-performance device, but it’s generally reliable for basic home use. Technicolor Td5336 Manual
Power cycle the gateway. Turn it off, wait 30 seconds, and turn it back on. Solid green means the device is powered on
| LED Label | Color & State | Meaning | |-----------|---------------|---------| | | Solid Green | Device on, normal operation | | | Solid Red | Boot failure or hardware error | | | Blinking Green | Firmware upgrade in progress (do NOT unplug) | | DSL | Solid Green | DSL line synchronized (connected to ISP) | | | Blinking Green | Training / attempting to sync | | | Off | No DSL cable or line dead | | Internet | Solid Green | IP obtained (connected to internet) | | | Blinking Green | Data activity | | | Solid Orange | No IP / PPPoE authentication failure | | | Off | No internet or modem in bridge mode | | LAN 1–4 | Solid Green | Device connected at gigabit speed | | | Solid Orange | Device connected at 10/100Mbps | | | Blinking | Data transfer | | Wi‑Fi 2.4G | Solid Green | 2.4GHz radio on | | | Blinking | Wireless activity | | Wi‑Fi 5G | Solid Green | 5GHz radio on | | | Off | 5GHz disabled (common after factory reset? Check config) | | WPS | Blinking Green | WPS pairing active | | | Solid Green for 5 sec then off | Pairing successful | | | Blinking rapidly | Error / timeout | | USB | Solid Green | USB device detected | | | Blinking | Data access | It’s common in Europe and some other regions
Where the TD5336 shines is stability. As a VDSL2 modem, it holds the DSL sync very well. If your phone lines are decent, this modem will provide a rock-solid connection with minimal dropouts. Wired speeds are consistent and match the subscribed plan speeds (up to ~300Mbps depending on the specific hardware revision).
Connects to an external Fiber/ONT (Optical Network Terminal) box if used on a fiber topology.