Cable Modem Troubleshooting: SMC 8004CM

Light patterns, images, manuals and more helpful info for the SMC 8004CM cable modem –

Power	Off – Modem is not receiving power. On – Modem power is activated and receiving power.
Cable	Flashing Orange – The modem is searching for the downstream frequency. On (Orange) – Searching for upstream frequency. On (Green) – Modem is acquired. Data can be sent.
Status	Flashing – Modem is registering with the head-end. On- Modem is acquired.
Ethernet	On – Indicates a valid Ethernet connection. Flashing – Modem is transmitting/receving data.
USB	On – Indicates a valid USB connection. Flashing – Modem is transmitting/receving data.

Notes and Useful Information:

Installation and User Manual