Do you have a question about the Charter Spectrum E31U2V1 and is the answer not in the manual?
Install modem to include grounding coaxial cable to earth as close to building entrance.
Connect coaxial cable from wall outlet to modem's rear connector.
Connect Ethernet cable from modem to PC for initial setup.
Connect RJ-11 phone cable to modem voice ports if service is provisioned.
Connect power adapter to modem and wall outlet.
Describes the status and illuminated text for the Power LED indicator.
Describes the status and illuminated text for the Online LED indicator.