Frequent Visitor
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8 Messages
How to enable Gb Speed
I just upgraded plan to Gb internet. Modem is Arris 6190. Still running at old ≤300. Do I have to do anything to the device to get speed up? I thought this was taken care of using DOCSIS by their side.
akoz22
Frequent Visitor
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6 Messages
5 years ago
Did you try resetting the modem by sticking a pin in the reset button? Also, can you plug you computer directly into the modem and go to the status page (browse to 192.168.100.1) and post the numbers with the channel ID's, SNR, Power Level, etc.
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AE1M
Frequent Visitor
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8 Messages
5 years ago
OK thanks, I'll grab the Arris 8200 for about $150 off Amazon. Had great luck with this 6190.
Thanks for the reply, I suspected something like that since it's a 2015 device.
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CCAndrew
Gold Problem Solver
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25.9K Messages
5 years ago
https://www.xfinity.com/support/devices/#unauth
Look for modem models rated for gigabit, not for the modem that you have
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AE1M
Frequent Visitor
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8 Messages
5 years ago
The speeds I had before upgrading were around 300Mbps. They upgraded me to Gb internet but the new speed hasnt show up yet. I assume they must reprogram the modem from their side. I do not suspect anything to do with signal integrity as the speed is exactly the same. I did do the pin reset as well as the reset from the My Account app. The Arris SB6190 is supposed to be DOCSIS 3.0 and 1Gbps from their website, although the Comcast page with my equipment lists it as 859Mbps (??). At the moment, I cant connect directly to it, I can try that tomorrow, but I suspect it needs to be repogrammed from the provider side. RIght?
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AE1M
Frequent Visitor
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8 Messages
5 years ago
One last question, I have currently my own modem (Arris SB6190) and ASUS AC88U router. After I replace the modem with the new Arris SB8200, will my service work right away? If not, how do I alert Comcast about the new hardware? I sent a message to Support and they sent me a link to their generic site which seems to describe replacing with Xfinity equipment only and requires browsing to that site. If I dont have service after swapping new gear, how would I browse there?
Thanks,
Bob
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jav6joev
Gold Problem Solver
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2.2K Messages
5 years ago
800-COMCAST, 800-XFINITY or device activation 855-652-3446. Good luck.
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jav6joev
Gold Problem Solver
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2.2K Messages
5 years ago
You'll need to call Comcast and provide the MAC ID of the new modem so they can activate it in their database.
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AE1M
Frequent Visitor
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8 Messages
5 years ago
Yikes, I had to call the other day about my account, took me a very long time to figure out with their redsigned phone system how to get to a person.
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EG
Expert
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111.5K Messages
5 years ago
Connect it to the coax line and power it up. Let it fully sync up with the system ("DS, "US", and the "Online" lights are steadily lit). Connect a computer to it and open up a browser. You *may* see their "Walled Garden" modem self registration page. If so, follow the screen prompts. Have your mobile telephone number, your Xfinity username and password or the account number and telephone number associated with your Comcast account handy.
If not, try calling 1-855-652-3446. That is their device activation line.
If that doesn't work for you, you can call 1-800-comcast and tell a rep that you would like to have a new modem provisioned for service. Have the RF / CM / HFC MAC address and the serial number of it handy when you call.
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AE1M
Frequent Visitor
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8 Messages
5 years ago
In preparation for getting my SB8200 gigabit modem, I did what you asked. Here is a sample of the data, I have the full screen if you need. Will I be in good shape? I captured other screens if you need more info to determine.
Channel Lock Status Modulation Channel ID Frequency Power SNR Corrected Uncorrectables
1 Locked 256QAM 13 531.00 MHz 9.00 dBmV 40.37 dB 1307 944
2 Locked 256QAM 1 459.00 MHz 7.80 dBmV 40.95 dB 1475 1101
3 Locked 256QAM 2 465.00 MHz 7.70 dBmV 40.95 dB 1458 1024
4 Locked 256QAM 3 471.00 MHz 7.80 dBmV 40.95 dB 1505 970
5 Locked 256QAM 4 477.00 MHz 7.90 dBmV 40.95 dB 1461 958
6 Locked 256QAM 5 483.00 MHz 8.30 dBmV 40.95 dB 1299 1089
7 Locked 256QAM 6 489.00 MHz 8.30 dBmV 40.37 dB 1386 1135
8 Locked 256QAM 7 495.00 MHz 8.30 dBmV 40.95 dB 1314 1068
9 Locked 256QAM 8 501.00 MHz 8.40 dBmV 40.95 dB 1368 1010
10 Locked 256QAM 9 507.00 MHz 8.70 dBmV 40.95 dB 1364 955
11 Locked 256QAM 10 513.00 MHz 8.80 dBmV 40.37 dB 1293 972
12 Locked 256QAM 11 519.00 MHz 9.00 dBmV 40.95 dB 1526 1025
13 Locked 256QAM 12 525.00 MHz 8.90 dBmV 40.95 dB 1382 878
14 Locked 256QAM 14 537.00 MHz 8.90 dBmV 40.95 dB 1399 851
15 Locked 256QAM 15 543.00 MHz 9.00 dBmV 40.95 dB 1293 852
16 Locked 256QAM 16 549.00 MHz 8.70 dBmV 40.95 dB 1353 926
17 Locked 256QAM 17 555.00 MHz 8.70 dBmV 40.37 dB 1322 899
18 Locked 256QAM 18 561.00 MHz 8.50 dBmV 40.37 dB 1305 1835
19 Locked 256QAM 19 567.00 MHz 8.30 dBmV 40.95 dB 1399 815
20 Locked 256QAM 20 573.00 MHz 7.90 dBmV 40.95 dB 1351 777
21 Locked 256QAM 21 579.00 MHz 7.70 dBmV 40.95 dB 1344 707
22 Locked 256QAM 22 585.00 MHz 7.20 dBmV 40.95 dB 1374 687
23 Locked 256QAM 23 591.00 MHz 6.90 dBmV 40.95 dB 1411 663
24 Locked 256QAM 24 597.00 MHz 6.70 dBmV 40.95 dB 1369 682
25 Locked 256QAM 25 603.00 MHz 6.70 dBmV 40.40 dB 1289 681
26 Locked 256QAM 26 609.00 MHz 6.20 dBmV 39.90 dB 1254 817
27 Locked 256QAM 27 615.00 MHz 5.80 dBmV 39.90 dB 1318 765
28 Locked 256QAM 28 621.00 MHz 5.40 dBmV 39.90 dB 1304 781
29 Locked 256QAM 29 627.00 MHz 5.30 dBmV 39.90 dB 1399 686
30 Locked 256QAM 30 633.00 MHz 5.30 dBmV 39.90 dB 1369 733
31 Locked 256QAM 31 639.00 MHz 4.90 dBmV 39.90 dB 1379 783
32 Locked 256QAM 32 645.00 MHz 4.80 dBmV 39.90 dB 1349 675
Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 3 5120 kSym/s 23.70 MHz 41.00 dBmV
2 Locked ATDMA 4 5120 kSym/s 17.30 MHz 42.50 dBmV
3 Locked ATDMA 2 5120 kSym/s 30.10 MHz 40.00 dBmV
4 Locked ATDMA 1 5120 kSym/s 36.50 MHz 41.00 dBmV
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omarvilla59
Frequent Visitor
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16 Messages
5 years ago
What speeds are you getting? I just purchased my second SB8200 and the max speed I've gotten is 349mbps during off-peak (2am). This is on one computer capable of gig speeds hardwired on a cat6 ethernet cable directly to the modem. When I connect it to my wireless router Asus RT-AC86u none of my other devices go over 250mbps. I've contacted both Arris and Xfinity tech support numerous times and even had thier techs come check my lines which are normal but no success.
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AE1M
Frequent Visitor
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8 Messages
5 years ago
As I said in my previous post, I am using a SB6190 now but have an 8200 on order, expect it next week. I am getting 320-330 from the 6190 all along, they recently upgrade me to Gb and speed is the same. Advice from guys here was to upgrade the modem to see higher speeds.
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omarvilla59
Frequent Visitor
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16 Messages
5 years ago
Let me know if you get the speeds advertised. Mine only maxed out 349 when I first activated my modem. After the first day I never saw those speeds again no matter what time of day I ran a speed test on it.
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AE1M
Frequent Visitor
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8 Messages
5 years ago
Are you running Speedtest.net or Comcast's speed test from their support site?
https://speedtest.xfinity.com/
I am assuming, and I may be wrong, that Speedtest.net is measuring speed from the network, through your modem and router to your device.
I am assuming Comcast's is just measuring their speed to your modem.
Bob
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omarvilla59
Frequent Visitor
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16 Messages
5 years ago
I use comcast speed test as it only uses thier servers to check the download speeds on your modem. Speedtest I believe uses third parties and other ISP to check uploads and downloads. You usually get better speeds using other speed test tools than Comcast but at least it gives them a true picture of what you are really getting.
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