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Sunday, September 8th, 2024

Closed

All Channels Not Locked

Just upgraded to a Netgear CM1000v2 modem. I have a working internet connection. However, I noted something that I found odd and want to confirm proper modem configuration.

When I log in to the modem (NETGEAR genie), it reports the following for Cable Connection:

* 32 Locked Downstream Bonded Channels
*  6 Locked Upstream Bonded Channels
*  2 Not Locked Upstream Bonded Channels
*  1 Locked Downstream OFDM Channels
*  1 Not Locked Downstream OFDM Channels
*  2 Not Locked Upstream OFDMA Channels

Are these Not Locked channels typical (perhaps because of my service level) or is the modem not configured correctly or perhaps defective?

Here's the modem Cable Connection report:

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 
699000000
Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 699000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Security Enable BPI+
IP Provisioning Mode Honor MDD IPv6 only

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR / MER Unerrored Codewords Correctable Codewords Uncorrectable Codewords
1 Locked QAM256 44 699000000 Hz 10.5 dBmV 44.9 dB 41846570 0 0
2 Locked QAM256 13 489000000 Hz 7.9 dBmV 43.8 dB 40896682 0 0
3 Locked QAM256 14 519000000 Hz 8.1 dBmV 44.0 dB 40898658 0 0
4 Locked QAM256 15 525000000 Hz 8.2 dBmV 44.3 dB 40904557 0 0
5 Locked QAM256 16 531000000 Hz 8.2 dBmV 44.2 dB 40906853 0 0
6 Locked QAM256 17 537000000 Hz 8.2 dBmV 44.2 dB 40910876 0 0
7 Locked QAM256 18 543000000 Hz 8.2 dBmV 44.1 dB 40913939 0 0
8 Locked QAM256 19 549000000 Hz 8.0 dBmV 43.9 dB 40918553 0 0
9 Locked QAM256 20 555000000 Hz 8.3 dBmV 44.4 dB 40921773 0 0
10 Locked QAM256 21 561000000 Hz 8.4 dBmV 44.2 dB 40925786 0 0
11 Locked QAM256 22 567000000 Hz 8.2 dBmV 44.2 dB 40929610 0 0
12 Locked QAM256 23 573000000 Hz 8.4 dBmV 44.4 dB 40933252 0 0
13 Locked QAM256 24 579000000 Hz 8.2 dBmV 44.1 dB 40937216 0 0
14 Locked QAM256 25 585000000 Hz 8.2 dBmV 44.3 dB 40940261 0 0
15 Locked QAM256 26 591000000 Hz 8.4 dBmV 44.2 dB 40944324 0 0
16 Locked QAM256 27 597000000 Hz 8.1 dBmV 44.0 dB 40948262 0 0
17 Locked QAM256 28 603000000 Hz 8.4 dBmV 44.1 dB 40951755 0 0
18 Locked QAM256 29 609000000 Hz 8.0 dBmV 43.9 dB 40955114 0 0
19 Locked QAM256 30 615000000 Hz 8.1 dBmV 44.0 dB 40959386 0 0
20 Locked QAM256 31 621000000 Hz 8.8 dBmV 44.0 dB 40962209 0 0
21 Locked QAM256 32 627000000 Hz 8.8 dBmV 44.1 dB 40966550 0 0
22 Locked QAM256 33 633000000 Hz 9.4 dBmV 44.4 dB 40970277 0 0
23 Locked QAM256 34 639000000 Hz 9.4 dBmV 44.4 dB 40973696 0 0
24 Locked QAM256 35 645000000 Hz 9.2 dBmV 44.4 dB 40977905 0 0
25 Locked QAM256 36 651000000 Hz 9.6 dBmV 44.5 dB 40982000 0 0
26 Locked QAM256 37 657000000 Hz 9.1 dBmV 44.3 dB 40985948 0 0
27 Locked QAM256 38 663000000 Hz 9.3 dBmV 44.3 dB 40990213 0 0
28 Locked QAM256 39 669000000 Hz 9.5 dBmV 44.6 dB 40994056 0 0
29 Locked QAM256 40 675000000 Hz 9.4 dBmV 43.9 dB 40997749 0 0
30 Locked QAM256 41 681000000 Hz 10.0 dBmV 44.4 dB 41000435 0 0
31 Locked QAM256 42 687000000 Hz 10.2 dBmV 44.6 dB 41003003 0 0
32 Locked QAM256 43 693000000 Hz 9.9 dBmV 44.6 dB 41007637 0 0

Upstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power
1 Locked ATDMA 17 16400000 Hz 43.5 dBmV
2 Locked ATDMA 18 22800000 Hz 42.5 dBmV
3 Locked ATDMA 19 29200000 Hz 42.0 dBmV
4 Locked ATDMA 20 35600000 Hz 41.8 dBmV
5 Locked ATDMA 21 40400000 Hz 40.8 dBmV
6 Locked ATDMA 22 10400000 Hz 44.8 dBmV
*** 7 Not Locked Unknown 0 0 Hz 0.0 dBmV ***
*** 8 Not Locked Unknown 0 0 Hz 0.0 dBmV ***

Downstream OFDM Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power SNR / MER Active Subcarrier Number Range Unerrored Codewords Correctable Codewords Uncorrectable Codewords
1 Locked 0, 1, 2, 3 193 805000000 Hz 11.1 dBmV 43.5 dB 1108 ~ 2987 19795881 421436 0
*** 2 Not Locked 0 0 0 Hz 3.4 dBmV 0.0 dB 0 ~ 4095 0 0 0 ***

Upstream OFDMA Channels
Channel Lock Status Modulation / Profile ID Channel ID Frequency Power
*** 1 Not Locked Unknown 0 0 Hz 0 dBmV ***
*** 2 Not Locked Unknown 0 0 Hz 0 dBmV ***

I asked this question in an agent chat, but he seems more interested in selling me TV service than answering my question...

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