Power Solid Green / LAN and CBL Blinking Green - The cable modem is performing an image udpate
PWR (Power)
Solid Green - Modem has power
Off - Power cable is unplugged, plugged in non working electrical outlet, or the modem is no longer functional
LAN (Local Area Netowrk)
Solid Green - Computer connected
Off - No computer detected or the modem was just recently turned on
Blinking Green - Modem is SYNCing or searching for a signal of some type
CBL (Cable)
Solid Green - Cable signal detected and connected
Fast Blinking Amber - Modem is booting up
Blinking Green - Modem is SYNCing or searching for a signal of some type
Blinking Amber - Modem is SYNCing or searching for a signal of some type
Steady Amber - This is a hardware failure. Try powercycling your modem. If this does not correct the issue, you may need a new modem.
Constant Blinking Amber - The boot code has failed to execute. Try powercycling your modem. If this does not correct the issue, you may need a new modem.
SND (send)
Steady Blinking Green - Modem is SYNCing or searching for a signal of some type
Fast Blinking Green - Modem is sending data
Off - Modem is not currently sending any data
RCV (Receive)
Steady Blinking Green - Modem is SYNCing or searching for a signal of some type
Fast Blinking Green - Modem is receiving data
Off - Modem is not currently receiving any data
OPT (Optional LED)
Steady Blinking Green - Modem is SYNCing or searching for a downstream frequency
Other - Depends on your cable service provider as this is an optional LED
Misc Notes:
:
- It appears that COM21 is no longer in business.