Cable Modem Troubleshooting: Arris/Touchstone CM450

Light patterns, images, manuals and more helpful info for the Arris/Touchstone CM450 cable modem –

Manufacturer: Arris/Touchstone	Model: CM450

Modem Light Indicators

Power	Off – No power to modem. Solid – Modem acquired or Power-on self test. Flashing – Any other status (ie. Scanning downstream, ranging…)
Online	Flashing – Standby switch active or Obtaining data IP address (DHCP) Solid – Modem acquired and ready to transmit data.
Cable	Flashing – Indicates activity over cable interface or Scanning for downstream carrier. Solid – Ranging, obtaining data IP address, downloading, or acquired with no activity.
USB	Off – USB connection not detected. Solid – USB connection detected. Flashing – Indicates activity over USB interface.
Ethernet	Off – Ethernet connection not detected. Solid – Ethernet connection detected. Flashing – Indicates activity over Ethernet interface.

Notes and Useful Information:

Installation and User Manual
Manufacturer Product Website (no modem support on manufacturer site)

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