When installed on my cable service, only 2 of 4 downstream channels show as "locked". Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts. 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. Under Downstream Bonded Channels, all 8 channels show Locked. Screenshot of my test results. If you have a DOCSIS 3.0 modem, you should be acquiring up to the maximum your modem supports (8 or 16). 1 1 Locked SC-QAM Upstream 35000000 Hz 6400000 Hz 47.0 dBmV. C7000 Five "Not Locked" Upstream Bonded Channels Hello, I just bought a C7000 Nighthawk to replace my SBG 6700ac due to internet drops. Acceptable Upstream Power Levels (dBmV): Upstream Transmit Power Level: Channel: US Channel Type: Symbol Rate: Acceptable US Power Level Single: … The Internet starts fast, but over one hour or so drops to crawl speed (1mpbs or less). 1 32600035 4.675 5120 32 qam 5. Line Attenuation: 0.4 4.0 dB. North Phoenix area. For the past year or so I have noticed that I am only getting 1 out of 4 upstream channels locked - see below. User manual instruction guide for ADSL2+ 802.11b/g Ethernet Modem 224742 ARRIS Group, Inc.. 4. Just bought a new C7000 Nighthawk AC1900 Cable Modem with WiFi/Router. Hello, I have a Netgear Nighthawk AC1900 c7000v2 Cable Modem Router. To view the upstream and downstream power levels: Launch a web browser from a computer or mobile device … My question would be: Is it common that not all the channels lock? Setup instructions, pairing guide, and how to reset. Upstream filter on drop, you were likely feeding back noise (there's 100 different things that could do that). 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 … The upstream channels, however, only half of them lock (channels 1-4). 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. Good Downstream power levels are within -7 to +7 dBmV. Had an engineer booked but decided to cancel it as over the weekend, the internet seemed to have fixed itself and so I didn't want to waste anyone's time. 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. I assume t being being locked is why I cannot connect to internet. Last time we presented an article on channel bonding (CB), covering a variety of technologies. Forum discussion: 3 channel upstream bonding was enabled in my area a while ago and for a long time it worked great. I recently had issues today with my c7000 where right at 12 noon i lost connectivity to the comcast servers and my combo router kept getting T3 and T4 timeout issues for a solid … There should be at least three. You need a modem appropriate for your speed tier, and you should probably have a premise tech out to take a look at signal levels and missing channels, if you can persuade Comcast to send one. Hello, I just bought a C7000 Nighthawk to replace my SBG 6700ac due to internet drops. Upstream bonded channels. If I connect the ISP's modem, all 4 downstream channels show as "locked". See below. Screenshot of the locked DBC . Channel Channel ID Lock Status US Channel Type Frequency Width Power. Downstream is OK Upstream is either very bad or non existent. General Configuration Network … 2 2 Locked SC-QAM Upstream 28000000 Hz 6400000 Hz 47.0 dBmV. The modem used to bond to all 4 channels, now it only bonds to 2 channels. 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. On the phone with Arris now. Connectivity State: This … We are doing testing for 8x4 Channel Bonding, and are seeing an unusual phenomenon. ( 21m 50s ) William: Upstream Bonded Channels. Link: IP: Interfaces. Cable modem is Netgear CM31T. The question is should I have all 4 upstream channels or is Cox deliberately limiting me to 1 channel because of my service level ? Your address should have been logged (should-key word). It allows me to get over 10 Mbps upstream … 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. You will likely need to call Comcast or hop over to r/Comcast_Xfinity and they can set one up. Screenshot of the locked DBC . If QAM256 and DPL( -6 dBmV to +15 dBmV) SNR should be 30 dB or greater. 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. The downstream channels show locked to r/Comcast_Xfinity and they can set one up ksps ) channel... Out around 38mbps throughput each if we use 2 1GHz splitters, it will gets slow again time! Over one hour or so drops to crawl speed ( 1mpbs or less ), if we 2... Upstream channels upstream information from the internet WiFi Cable modem router lock on a... 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