Re: Upstream channel 0 Hz not locked If it's just 1 channel that says that, you're probably fine. Is this a cable problem or modem problem? Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. Downstream is OK Upstream is either very bad or non existent. 1 32600035 4.675 5120 32 qam 5. The upstream channels, however, only half of them lock (channels 1-4). I pay for gigabit with a CM1000 that only has 4 locked upstream. When installed on my cable service, only 2 of 4 downstream channels show as "locked". Archived. Screenshot of the locked DBC . Forum discussion: 3 channel upstream bonding was enabled in my area a while ago and for a long time it worked great. Also upstream power levels might be a little high? 2 39400125 4.725 5120 32 qam 4. If I connect the ISP's modem, all 4 downstream channels show as "locked". 2 2 Locked SC-QAM Upstream 28000000 Hz 6400000 Hz 47.0 dBmV. So basically I have a "24x4" modem router. … The Netgear can bond up to 4 upstream channels, but many Comcast areas are only enabling 3. Hello, Been having a lot of trouble with my internet of late. Posted by u/[deleted] 6 years ago. Channel bonding is a method by which smaller bandwidth upstream channels are bonded together to create a larger upstream bonding group in the MAC domain. A reboot of the modem often fixes the problem, but it will gets slow again over time. Network devices treat the aggregation as if it is a single link, which increases fault tolerance and provides load sharing. So basically I have a "24x4" modem router. If there's any other info you need, let me know. Interestingly, if we use 2 1GHz splitters, it will lock on. The spikes are when I'm playing PS4. Only one upstream channel is locked. Your address should have been logged (should-key word). Loss of Frame: 0 0. ISP: Time Warner Cable. Click to see full answer. ISDN modems use channel bonding to split the data stream into two 64 Kbps channels, which use both lines in an ISDN BRI service (see ISDN).The DOCSIS 3.0 standard for cable modems supports a minimum of four cable channels bonded together to greatly increase subscribers' upstream and downstream speeds. Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 39400000 4.725 5120 64 qam 44 2 53700000 4.85 5120 64 qam 42. For the past year or so I have noticed that I am only getting 1 out of 4 upstream channels locked - see below. In this article, I’ll share the best free and cheap ways that cord-cutters can watch broadcast TV. Upstream Bonded Channels; Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power; 1: Locked: ATDMA: 3: 5120 Ksym/sec: 36100000 Hz: 43.5 dBmV: 2: Locked: TDMA and ATDMA: 1: 2560 Ksym/sec: 23300000 Hz: 39.0 dBmV: 3: Locked: ATDMA: 2: 5120 Ksym/sec: 29600000 Hz: 41.0 dBmV: 4: Not Locked: Unknown: 0: 0 Ksym/sec: 0 Hz : 0.0 dBmV: Is it normal that only 3 of the 4 upstream … ( 21m 50s ) William: Upstream Bonded Channels. I bought the C7000 Nighthawk in hopes to use all 8 Upstream Bonded Channels provided, although as soon as I set everything up, it only uses 3 out of 8 Upstream Bonded Channels. Table1:HardwareCompatibilityMatrixforthe CiscocBR SeriesRouters CiscoCMTSPlatform ProcessorEngine InterfaceCards Cisco IOS-XE Release 3.15.0S and Later Releases Acceptable SNR Levels (dB): If QAM64, SNR should be 23.5 dB or greater. Any advice is appreciated! Downstream is OK Upstream is either very bad or non existent. To view the upstream and downstream power levels: Launch a web browser from a computer or mobile device … Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 60300454 5.05 5120 16 qam 1 … C7000 Five "Not Locked" Upstream Bonded Channels Hello, I just bought a C7000 Nighthawk to replace my SBG 6700ac due to internet drops. 4. If I connect the ISP's modem, all 4 downstream channels show as "locked". Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 39400000 4.725 5120 64 qam 44 2 53700000 4.85 5120 64 qam 42. Double check all your connections are nice and tight and perform a Hub factory reset, push the pinhole reset on the back of the hub with a pin or paperclip or similar for 60 seconds then allowing it to restart itself it should then hopefully lock on to all 4 upstream channels. Data Rate: 8000 800. Is this a cable problem or modem problem? If you’ve cut the cord or are thinking about it to save money, you may be wondering how to watch your local channels without cable. We hope you'll join the conversation by posting to an open topic or starting a new one. The other half (5-8) won't lock. My issue is that i checked the gateway page for the Netgear AC1900 c7000 we own and i have only 1 upstream channel locked and 7 others which are blank but all 24 downstream channels locked in. My ISP is comcast. Today, whenever I … The Internet starts fast, but over one hour or so drops to crawl speed (1mpbs or less). 1 1 Locked SC-QAM Upstream 35000000 Hz 6400000 Hz 47.0 dBmV. Cable modem is Netgear CM31T. I still get full upload speeds. Today we’ll look more into depth at DOCSIS 3.0 or D3 channel bonding—CB for data delivered via coax to a cable modem (CM). I tried using Xfinity Chat, as my provider is Comcast/Xfinity, … A reboot of the modem often fixes the problem, but it will gets slow again over time. My question would be: Is it common that not all the channels lock? There should always be at least 1 channel acquired with a DOCSIS 1.1 or 2.0 modem. Line Attenuation: 0.4 4.0 dB. It allows me to get over 10 Mbps upstream … User manual instruction guide for ADSL2+ 802.11b/g Ethernet Modem 224742 ARRIS Group, Inc.. 24 Locked 38.6 43 0. Good Upstream power levels are within 38-48 dBmV. 2 39400125 4.725 5120 32 qam 4. I have tried connecting my computer with actual cable or trying wireless, nothing works. On the phone with Arris now. Thank you for your reply. Those 3.0 channels max out around 38mbps throughput each. Downstream Bonded Channels; Channel ID: Lock Status: Modulation: Frequency: Power: SNR/MER: Corrected: Uncorrectables: 30: Locked: QAM256: 957000000 Hz-0.5 dBmV: 37.5 dB In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. Upstream Bonded Channels Channel Channel ID Lock Status US Channel Type Frequency Width Power 1 1 Locked SC-QAM Upstream 35600000 Hz 6400000 Hz 47.0 dBmV 2 2 Locked SC-QAM Upstream 29200000 Hz 6400000 Hz 48.0 dBmV 3 3 Locked SC-QAM Upstream 22800000 Hz 6400000 Hz 48.0 dBmV 4 4 Locked SC-QAM Upstream 16400000 Hz 6400000 Hz 49.0 dBmV 5 5 Locked SC-QAM Upstream … The Internet starts fast, but over one hour or so drops to crawl speed (1mpbs or less). Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID. The upstream channels, however, only half of them lock (channels 1-4). This topic has been marked solved and closed to new posts due to inactivity. Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 39400000 4.725 5120 64 qam 44 2 53700000 4.85 5120 64 qam 42. North Phoenix area. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts. All 8 Downstream bonded channels are locked, merely getting 8Mbps out of 30Mbps... Close. Downstream and upstream channels not all locked Hi so I have an ac1900 c7000v2 and I’ve been having issues with my WiFi and apparently it’s due to me having a 20x3 rather than a 24x8 downstream/upstream and so I called my ISP but I am trying to … I have tried connecting my computer with actual cable or trying wireless, … Under Upstream Bonded Channels, the first two are locked, the last two are not locked. Forum discussion: I'm new to this forum and was wondering if some of you can assist me with my upstream signal. Getting very peed off with this now. Under Startup Procedure it says Acquire Downstream Channel, Comment is locked. Hello, I have a Netgear Nighthawk AC1900 c7000v2 Cable Modem Router. If QAM256 and DPL(-15 dBmV to -6 dBmV) SNR should be 33 dB or greater. Just bought a new C7000 Nighthawk AC1900 Cable Modem with WiFi/Router. With 1GHz splitters (2-, 3-, 4-way) and with 1.2GHz (2-, 3-, 4-way) our test modems will not lock onto all 8 channels down; however, when we use our IPTV/MoCA1.1 1.5GHz splitters (2-, 3-, 4-way) they will lock onto all 8 downstreams. This means your modem found the frequency with which to receive information from the internet. A MAC domain is a logical sub-component of a Cisco CMTS router and is responsible … In respect to this, what is a bonded upstream channel connection? Upstream bonded channels. Do you get your full upload speeds? This means your modem found the frequency with which to receive information from the internet. Channel Channel ID Lock Status US Channel Type Frequency Width Power 1 65 Locked SC-QAM Upstream 17300000 Hz 6400000 Hz 33.0 dBmV 2 66 Locked SC-QAM Upstream 23700000 Hz 6400000 Hz 33.0 dBmV 3 67 Locked SC-QAM Upstream 30300000 Hz 6400000 Hz 34.0 dBmV 4 68 Locked SC-QAM Upstream 36700000 Hz 6400000 Hz 36.0 dBmV My internet works fine, and my speed matches my tier (250 Mbps). Channel bonding is optional. You will likely need to call Comcast or hop over to r/Comcast_Xfinity and they can set one up. A bonded channel combines two Ethernet interfaces into a single logical link or link aggregation group (LAG). I bought the C7000 Nighthawk in hopes to use all 8 Upstream Bonded Channels provided, although as soon as I set everything up, it only uses 3 out of 8 Upstream Bonded Channels. Upstream bonded channels Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts 1 ATDMA 0 0 0 0 2 ATDMA 0 0 0 0. 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