Hi,
Making no changes, other than putting the Modem back into router mode, I get the following from the network service tab, note it took over 100 refreshes for any channels to be shown within these tabs.
Downstream channels
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
1 331000000 1.5 40 QAM 256 25
2 139000000 4.2 41 QAM 256 1
3 147000000 4 41 QAM 256 2
4 155000000 3.8 41 QAM 256 3
5 163000000 3.8 41 QAM 256 4
6 171000000 3.6 40 QAM 256 5
7 179000000 3.5 40 QAM 256 6
8 187000000 3.5 40 QAM 256 7
9 195000000 3.8 40 QAM 256 8
10 203000000 3.4 40 QAM 256 9
11 211000000 3.3 40 QAM 256 10
12 219000000 3 40 QAM 256 11
13 227000000 2.6 40 QAM 256 12
14 235000000 2.3 40 QAM 256 13
15 251000000 1.8 40 QAM 256 15
16 259000000 1.9 40 QAM 256 16
17 267000000 2.2 40 QAM 256 17
18 275000000 2.2 40 QAM 256 18
19 283000000 2.2 40 QAM 256 19
20 291000000 2.2 40 QAM 256 20
21 299000000 1.9 40 QAM 256 21
22 307000000 1.7 40 QAM 256 22
23 315000000 1.6 40 QAM 256 23
24 323000000 1.6 40 QAM 256 24
25 339000000 1.2 40 QAM 256 26
26 347000000 0.9 40 QAM 256 27
27 355000000 0.5 39 QAM 256 28
28 363000000 0.3 39 QAM 256 29
29 371000000 0 39 QAM 256 30
30 379000000 0.1 39 QAM 256 31
31 387000000 0.2 39 QAM 256 32
3.0 Downstream channels
Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1 Locked 40 1 0
2 Locked 41 0 0
3 Locked 41 0 0
4 Locked 41 0 0
5 Locked 41 0 0
6 Locked 40 0 0
7 Locked 40 0 0
8 Locked 40 0 0
9 Locked 40 0 0
10 Locked 40 0 0
11 Locked 40 0 0
12 Locked 40 0 0
13 Locked 40 0 0
14 Locked 40 0 0
15 Locked 40 0 0
16 Locked 40 0 0
17 Locked 40 0 0
18 Locked 40 0 0
19 Locked 40 0 0
20 Locked 40 0 0
21 Locked 40 1 0
22 Locked 40 1 0
23 Locked 40 0 0
24 Locked 40 0 0
25 Locked 40 1 0
26 Locked 40 1 0
27 Locked 39 0 0
28 Locked 39 3 0
29 Locked 39 1 0
30 Locked 39 2 0
31 Locked 39 2 0
3.1 Downstream channels
Channel Channel Width (MHz) FFT Type Number of Active Subcarriers Modulation (Active Profile) First Active Subcarrier (Hz)
33 94 4K 1840 QAM 4096 1108
3.1 Downstream channels
Channel ID Locked Status RxMER Data (dB) PLC Power (dBmV) Corrected errors (Active Profile) Uncorrectable errors (Active Profile)
33 Locked 39 -1.2 159291294 0
3.0 Upstream channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
0 49600000 44.8 5120 QAM 64 1
1 43100000 44.3 5120 QAM 64 2
2 36600000 44 5120 QAM 64 3
3 30100000 43.5 5120 QAM 64 4
4 23600000 43.3 5120 QAM 64 5
3.0 Upstream channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
0 ATDMA 0 0 0 0
1 ATDMA 0 0 2 0
2 ATDMA 0 0 0 0
3 ATDMA 0 0 0 0
4 ATDMA 0 0 0 0
3.1 Upstream channels
Channel Channel Width (MHz) Power (dBmV) FFT Type Modulation
11 10.4 40.0 2K QAM 256
3.1 Upstream channels
Channel Channel Type Number of Active Subcarriers First Active Subcarrier (Hz) T3 Timeouts T4 Timeouts
11 OFDMA 208 74000000 0 0
Time Priority Description
14-08-2025 00:27:04 notice GUI Login Status - Login Success from LAN interface
13-08-2025 21:35:30 notice Honoring MDD; IP provisioning mode = IPv4
13-08-2025 21:35:16 critical Cable Modem Reboot because of - Peer_down
13-08-2025 20:52:54 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC= xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
13-08-2025 18:44:40 critical No Ranging Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
13-08-2025 18:31:23 critical Cable Modem Reboot because of - pin-reset
My BQM link is: https://www.thinkbroadband.com/broadband/monitoring/quality/share/897aab2d39db0be079c58ad3c7b319641747330b
This is showing a significant number of dropouts.
Apologies for the formatting, I tried to copy the tables in but got an error.
Cheers,