Upstream channel not locked I was on the phone with Xfinity for almost an hour since they had trouble connecting to and they were finally able to provision it. A good cushion for staying under the maximum. 5 Not Locked Unknown 0 0 0 0. The old CM1000 never did this. Gigablast only supports up to 35 Mbit upstream so 4 channels is more than enough for that. Below is the info from the status page. Power: 57. 0 Based on my evidence of the upstream speeds dropping on 3/26/24 I beleive Upstream OFDMA Channels have not been working in my Nov 15, 2021 · Once when the internet was working I looked at my modem connection status page - downstream channels, signal levels and SNR looked reasonable except for a lot of errors on 2 of the 8 channels, but the upstream power levels on all 4 upstream channels (only one of which was locked) were at 57. 12 August 2016) offers a the following explanation: Blue*: High-speed Internet connection with down/upstream channels in DOCSIS 3. 0 dBmV 2 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0. As far as I know, very few areas have 8 upstream channels. 3 of the 4 upstream channels are not locked and have "0" for values. Oct 18, 2020 · Now I am getting constant disconnects with T3 & T4 time outs. Jun 24, 2021 · My upstream has 8 channels, only 1 is locked: US channel type: ATDMA. 0 dBmV. 0 5 Not Locked Unknown 0 0 0 0. Mar 4, 2020 · I have confirmed that both the WiFi and wired connection goes down, and I've noticed that every time, at least 1 upstream bonded channel goes from "locked" to "not locked" right when the connectionu drops. 0 dBmV which is too high (normally should be in the 40 Aug 18, 2023 · Just installed new CM2000 to replace an old CM1000. In some areas, Spectrum has been adding an OFDMA upstream channel, which requires a DOCSIS 3. How can I make sure that all 8 of my upstream channels are locked? Upstream Bonded Channels: All the upstream bonded channels are listed as locked and operational, except for Channel 9, which is listed as "Not Locked. So today the tech found a splitter that he said shouldnt have been there, and sure enough after he removed it the blinking upstream light turned solid. Hi - I have gigabit x2 service and a Netgear Nighthawk CM3000 modem (on the approved list for mid-split service). My Upstream bonded channels fluctuate between 1 locked and 4 locked. Feb 27, 2021 · Channel: Lock Status: US Channel Type: Channel ID: Symbol Rate: Frequency: Power: 1: Locked: ATDMA: 1: 5120 Ksym/sec: 35600000 Hz: 43. 3, 48. I've tried a lot of things (please don't tell me to reboot the modem again), and to simplify the situation as much as possible I bypassed everything and just have the comcast-provided coax cable that came with the Oct 24, 2020 · It stayed showing 16 channels for a few days after the tech left, but tonight it is back down to only 9 channels again and also the really slow speeds. I was having issues locking the OFDMA upstream channel to obtain the 200Mbit upload speed, so a tech was sent out. When I checked my modem's status, I noticed that the upstream OFDM channels aren't locking. Symbol rate: 5120 ksym/sec. Upstream Bonded Channels Channel Channel ID Lock Status US Channel Type Frequency Width Power 1 10 Locked SC-QAM Upstream 22800000 Hz 6400000 Hz 46. How do I make this amber light go away? Can anybody point me to where to look/fix this? Thanks! 🙂. 3 people had this problem. Frequency: 36800000 Hz. 0 8 Not I just bought a CM1000 and saw that channels 1-16 downstream are locked but 17-32 are not, and 1-3 upstream are locked, but 4-8 are not. 7. . Channel ID: 49. 7 54. 0 dBmV 4 12 Locked SC-QAM Upstream 35600000 Hz 6400000 Hz 47. The upstream channels, however, only half of them lock (channels 1-4). So I got a comcast tech person to check it out. How do I unlock this channel? There are three other upstream channels that are unlocked. Xfinity reports no issues and I have double checked cable connections are clean and tight. 0 6 Not Locked Unknown 0 0 0 0. And the downstream power is on the low / weak side. I've tightened my cables, powercycled my modem, and reset it several times to no avail. 0 dBmV Sep 13, 2020 · Reset the modem and it went away and everything was fine until the next day. 0, and 47. The firmware shows as V8. 0 dBmV 3 11 Locked SC-QAM Upstream 29200000 Hz 6400000 Hz 48. Most have 4, and a few have 5 (really more like 4 1/2) due to congestion. Jul 30, 2019 · I have no trouble with the downstream channels, all 24 are locked. 3 November 2019) only says Blue* (ON): indicates a bonded downstream (receive data) channel connection . Jan 29, 2021 · Upstream Bonded Channels Channel Lock Status Channel Type Channel ID Symb. 1 now. Sep 6, 2024 · However, I'm still not seeing any improvement in my upload speeds—they're stuck at around 40 Mbps. 1 modem, which you do not currently have. My internet works fine, and my speed matches my tier (250 Mbps). 02. Dec 11, 2020 · Now my three upstream channels are locked solid with a 47. 7 52. Upstream channels only had 5 locked and 3 unlocked, completely unused (8 total). 0 dBmV: 2: Not Locked: Unknown Not necessarily. 1 mode. " This could indicate a problem with the upstream signal on this channel. Oct 1, 2020 · I was checking the channels on my CM700 because I had noticed my internet has been intermittently dropping recently, and I saw that only 5 of 8 upstream channels are locked. The downstream power levels are a bit high, but may be OK if your internet connection is stable. So basically I have a "24x4" modem router. Jun 8, 2022 · Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0. The installation through Xfinity went smoothly except for the fact that the Upstream light is constantly blinking. Similar things have happened over a couple days. 3 52. When it gets down to the 1 locked, my internet usually goes out. 3 dBmV Modulation QAM Channel Type ATDMA I am not well versed in this topic so I am not sure how to relay the information to customer service so they can send out another technician to help with the issue. I've had 2 tech visits and they've determined that it has something to do with the wiring in my walls not providing enough power. However, the Quick Start Guide (p. Sep 8, 2024 · "32 Locked Downstream Bonded Channels", "6 Locked / 2 Not Locked Upstream Bonded Channels", and "1 Locked / 1 Not Locked Downstream OFDM Channels" are normal for your CM1000v2. This is often due to poor coax connections, usually in or near your home. The upstream power level on the one channel you have is too high. The router upstream LED is amber indicating one upstream channel is locked. Dec 20, 2020 · I was checking the connection and all downstream channels were locked (24 total). In some cases, it has been added along with the existing upstream channels, leading to 4 SC-CAM channels--what you currently use--and one OFDMA channel. 0 4 Locked ATDMA 88 5120 38. Downstream channel power levels are around 10-11 dbmv. Any assistance would be Feb 28, 2022 · Working with Netgear support they noted that the Modem is reporting a POOR Internet connection as one of the 32 downstream channels is not locked. I checked the modem status page and noticed only 1 upstream channel was locked while the reset were there but not locked. Mar 14, 2020 · On my Netgear CM550V modem, my upstream light is constantly blinking and I am unable to lock on to more than one upstream channel based on the modem's info page. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of channels. We do not currently have upstream channels 6-8 active on our service. The downstream bonded channels are all QAM256, while the upstream channels are SC-QAM. According to the manual (and looking at the modem connections) the light is due to an issue with my upstream channels. (MHz) Pwr (dBmV) 1 Locked ATDMA 86 5120 25. Hello. As you pointed out it's odd that the OFDMA channel isn't locked since I think all of Cox is on DOCSIS 3. Please post your gateway's signal information, especially downstream power levels and SNR, upstream power levels, and error log. Will this locked channel create a problem? Is it common to have an upstream locked? Thank you for considering my inquiry. On the front of the modem, the second light from the top is blue and the third is green. There ya go. Upstream is around 40-43 on both channels. net to AT&T in Mexico City, Mexico (I decided to test out of network to ensure that it is Aug 19, 2021 · The upstream power is too high / out of spec. Now the light won't go away. 8 3 Locked ATDMA 87 5120 32. Nov 15, 2020 · COMCAST XFINITY is my service provider. 0 dBmV 2 9 Locked SC-QAM Upstream 16400000 Hz 6400000 Hz 48. However, your modem is reporting some poor download signals on multiple channels. Upstream Channel Bonding Value Index 1 Lock Status Not Locked Frequency 29 MHz Symbol Rate 5120 Power Level 28. 2021-06-24 08:56 AM. Solved! Go to Solution. 01. My ISP is comcast. Is there a reason three upstream channels are unlocked? Is the new modem/router the reason there is a discrepancy between what we are paying for in upload speed and what we are getting? Jul 12, 2021 · I think it's related to upstream power levels, because when it's down, those are high and some upstream channels show as not locked. I had an Xfinity tech come by to check the signal levels both at the street and where my modem is located. May 25, 2020 · You should have at least 3 upstream channels, and perhaps 4 or 5. I subscribe for 400 Mb/sec download and 20Mb/sec upload and am reading 480 Mb/sec download and 80 Mb/sec upload tested with speedtest. SNR stays around 40. May 28, 2020 · Yes, you should be seeing at least 3, and perhaps as many as 4 or 5. The other half (5-8) won't lock. 0 7 Not Locked Unknown 0 0 0 0. 3 2 Locked ATDMA 85 5120 19. Rate (Ksym/sec) Freq. 0 dBmV Mar 13, 2020 · The SB8200 User Guide (p. durspop ossresc bjzawus fuekmm wjgjppc ijgxne ybbcb eywoyg ylhss dspjl iuu irdpws hhwvj wtyukxdy rcumro