Tx Rx Snr Cable Modem

Dns name dns name for the cable modem not the dynamic dns name for the cpe.

Tx rx snr cable modem.

When an s card is used and spectrum groups are assigned cnr is reported. Ip address ip address assigned to the modem not the cpe. Downstream rx receive power level. Description how the cable modem identifies itself when queried for system sysdescr.

The tx level is the power in decibels per milliwatt dbm at which a modem transmits its signal. Ideally the rx level should be in the range of 18 to 25 dbm. Cable modem signal levels for voip to work consistently well the connection to the cable modem should be stable and within certain signal db parameters. If you can ping the modem then telnet into the modem check the rx snr value along with arp table to check if lan is connected to the idirect modem.

System uptime cable modem s internal time counter time since last power up or reset. For all modems docsis 3 0 3 1. The rx level is the power in dbm of the received signal. Check the led status at front panel of the idirect modem with the technician rx tx net.

Just remember that higher snr means cleaner signal. The server modems normally transmit at 13 dbm by default. Are the tx rx and lan cables connected to the idirect modem. The three signal levels that need to be within the acceptable level are downstream power snr signal to noise ratio and upstream power.

Rf mac mac address of the cable rf interface. This is the amount of signal received by the modem from the transmitter in the cable company head end. Typically cable modems show the downstream snr the upsteram snr can only be calculated at the remote end of the coax usually at the node. A value well over 40 may mean you have too much power.

Try to ping the modem remotely. This ip address 40 77 167 235 has been blocked for unusual usage patterns. Cable signal levels for all docsis cable modems require to be within the acceptable level for the modem operate properly. Downstream power refers to the line signal sent from the cable provider to cable modem.