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Upstream Light on CM2000 Blinks Constantly
Just installed new CM2000 to replace an old CM1000. The installation through Xfinity went smoothly except for the fact that the Upstream light is constantly blinking. The old CM1000 never did this. T...
Just to let everyone know Xfinity tech came to house today and determined that the outside cable (been in the ground for 18 years) was damaged and replaced the cable. This resolved the issue as internet now works properly.
I also noticed that I now get a send/receive error in my Outlook email although the mail comes through and Outlook shows as being connected.
Something to contact Microsoft support about regarding there product.
Just reinstalled CM2000 and noticed that when I turned on the modem I noticed that after the downstream light turned solid white the upstream light came on as a solid white then as the online light turned solid white the upstream light started blinking.
Please post a copy and paste of the modems connection status and event log page.
https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router
https://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-routerCable Diagnostic Status: Poor Action:
[Partial Service]
If the Partial Service mode does not go away within a few hours (Click the Refresh button after each step):
1) Make sure the coaxial cable is tightly connected.
2) Remove any unnecessary splitters.
3) Replace any required ones.
4) Contact your service provider for troubleshooting help.
[Upstream Power Level]
Try these actions (Click the Refresh button after each step):
1) Make sure the coaxial cable is tightly connected.
2) Remove any unnecessary splitters.
3) Replace any required splitters.
4) Contact your service provider for troubleshooting help.CM Status: Downstream Status: Upstream Status: Refresh Save Cable Diagnostic Info Advanced Information Frequency Start Value 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 restart the cable modem for it to take effect. Starting Frequency Startup Procedure
Procedure Status Comment Acquire Downstream Channel 621000000 Hz Locked Connectivity State OK Operational Boot State OK Operational Security Enabled BPI+ IP Provisioning Mode Honor MDD IPv6 only Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 21 621000000 Hz -1.3 dBmV 41.2 dB 0 0 2 Locked QAM256 6 531000000 Hz -0.6 dBmV 41.8 dB 0 0 3 Locked QAM256 7 537000000 Hz -0.7 dBmV 41.7 dB 0 0 4 Locked QAM256 8 543000000 Hz -0.5 dBmV 41.8 dB 0 0 5 Locked QAM256 9 549000000 Hz -0.5 dBmV 41.7 dB 0 0 6 Locked QAM256 10 555000000 Hz -0.8 dBmV 41.6 dB 0 0 7 Locked QAM256 11 561000000 Hz -0.9 dBmV 41.5 dB 0 0 8 Locked QAM256 12 567000000 Hz -1.1 dBmV 41.5 dB 0 0 9 Locked QAM256 13 573000000 Hz -1.0 dBmV 41.5 dB 0 0 10 Locked QAM256 14 579000000 Hz -0.9 dBmV 41.5 dB 0 0 11 Locked QAM256 15 585000000 Hz -1.0 dBmV 41.4 dB 0 0 12 Locked QAM256 16 591000000 Hz -1.1 dBmV 41.3 dB 0 0 13 Locked QAM256 17 597000000 Hz -1.1 dBmV 41.4 dB 0 0 14 Locked QAM256 18 603000000 Hz -1.0 dBmV 41.5 dB 0 0 15 Locked QAM256 19 609000000 Hz -0.9 dBmV 41.6 dB 0 0 16 Locked QAM256 20 615000000 Hz -1.1 dBmV 41.3 dB 0 0 17 Locked QAM256 22 627000000 Hz -1.6 dBmV 40.9 dB 0 0 18 Locked QAM256 23 633000000 Hz -1.8 dBmV 40.8 dB 0 0 19 Locked QAM256 24 639000000 Hz -1.9 dBmV 40.8 dB 0 0 20 Locked QAM256 25 645000000 Hz -1.8 dBmV 40.8 dB 0 0 21 Locked QAM256 26 651000000 Hz -1.7 dBmV 40.9 dB 0 0 22 Locked QAM256 27 657000000 Hz -1.9 dBmV 40.8 dB 0 0 23 Locked QAM256 28 663000000 Hz -2.3 dBmV 40.4 dB 0 0 24 Locked QAM256 29 669000000 Hz -2.4 dBmV 40.3 dB 0 0 25 Locked QAM256 30 675000000 Hz -2.2 dBmV 39.3 dB 0 0 26 Locked QAM256 31 681000000 Hz -2.0 dBmV 40.7 dB 0 0 27 Locked QAM256 33 687000000 Hz -1.7 dBmV 40.8 dB 0 0 28 Locked QAM256 34 693000000 Hz -2.0 dBmV 40.6 dB 0 0 29 Locked QAM256 35 699000000 Hz -2.2 dBmV 40.3 dB 0 0 30 Locked QAM256 36 705000000 Hz -2.5 dBmV 40.2 dB 0 0 31 Locked QAM256 37 711000000 Hz -2.3 dBmV 40.2 dB 0 0 32 Not Locked Unknown 0 0 Hz 0.0 dBmV 0.0 dB 0 0 Upstream Bonded Channels (Partial Service)
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Locked ATDMA 1 5120 Ksym/sec 35600000 Hz 58.0 dBmV 2 Not Locked Unknown 0 0 0 0.0 dBmV 3 Not Locked Unknown 0 0 0 0.0 dBmV 4 Not Locked Unknown 0 0 0 0.0 dBmV 5 Locked ATDMA 5 2560 Ksym/sec 40400000 Hz 55.5 dBmV 6 Not Locked Unknown 0 0 0 0.0 dBmV 7 Not Locked Unknown 0 0 0 0.0 dBmV 8 Not Locked Unknown 0 0 0 0.0 dBmV Downstream OFDM Channels
Channel Lock Status Profile ID Channel ID Frequency Power SNR / MER Active Subcarrier
Number RangeUnerrored
CodewordsCorrectable
CodewordsUncorrectable
Codewords1 Locked 0 ,1 ,2 ,3 32 762000000 Hz -1.72 dBmV 39.8 dB 1108 ~ 2987 10275805 10078087 0 2 Not Locked 0 0 0 Hz 0 dBmV 0 dB 0 ~ 4095 0 0 0 Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power 1 Not Locked 0 0 0 Hz 0 dBmV 2 Not Locked 0 0 0 Hz 0 dBmV Extended Upstream Transmit PowerEnable Extended Upstream Transmit Power
Current System Time:Fri Aug 18 13:19:31 2023System Up Time:00:15:54