| Device type | What to check | |-------------|----------------| | Power supply | Input voltage, output voltage/current, fuse | | Controller/Dimmer | Control signal type (0–10V, PWM, DMX, serial) | | Communication device | Baud rate, parity, protocol | | LED driver | Constant current vs constant voltage |

The ADB-4731CDM consists of several key components, including:

that is often a sign of "End of Life" (EOL). You can still use the reset instructions above, but consider purchasing a new DOCSIS 3.1 modem from your ISP’s approved list.