Frequency Scanning The data shown below provides the Downstream Frequency to which cable modem is tuned to at this time Downstream Frequency 669000000 Hz Upstream Channel ID This field below allows you to modify the Upstream Channel ID. NOTE: Some CMTS may not support this,though they all should Upstream Channel ID Downstream Start Frequency This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Enter the new start frequency and click the 'Start Scan' for it to take effect Downstream Start Frequency Hz