If you are attempting to access your router, check out this guide. Your router is where you can access wireless security, port forwarding, and other network settings.
Uptime: This is how long your modem has been powered on. CM Status: This is your Cable Modem status. A working cable modem should display OPERATIONAL. SNR (Signal to Noise Ratio): This is how much interference your signal has. The higher the reading the better, and it should be above 25-27. Power: This is a measurement of the incoming signal strength. Lower numbers, including negative, can correlate to a poor signal. The recommended range for Downstream power is -12 dB to +12 dB, and the recommended range for Upstream power is 37 dB to 55 dB[2] X Research source