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Arris SB8200 shows only green for upstream/downstream on Xfinity 1Gbs plan
I just purchased an Arris SB8200 to replace SB6190 on Xfinity 1Gps plan. The SB8200 activated fine and have 400 to 800Gbs download (depends on computer), but the downstream/upstream always stay green and never turns blue to indicate DOCSIS 3.1.
Contacted Xfinity and they verified my modem model and everything looks good on their side. I've tested the SB8200 right at the cable demarcation entrance and it still shows green and not blue. Xfinity Tech on previous service calls cleaned up all the terminations in the junction box, so those should be good.
Below are my SB8200 status and event logs. Let me know if anyone can help if the numbers look good and if the event log.
I see a critical message, which might point to an issue.
Thanks.
| Information | |
|---|---|
| Standard Specification Compliant | DOCSIS 3.1 |
| Hardware Version | 3.0 |
| Software Version |
AC01.02.003_072823_8200.03.07.735.CT |
| Startup Procedure | ||
|---|---|---|
| Procedure | Status | Comment |
| Acquire Downstream Channel | 531000000 Hz | Locked |
| Connectivity State | OK | Operational |
| Boot State | OK | Operational |
| Configuration File | OK | |
| Security | Enabled | BPI+ |
| DOCSIS Network Access Enabled | Allowed | |
| Downstream Bonded Channels | |||||||
|---|---|---|---|---|---|---|---|
| Channel ID | Lock Status | Modulation | Frequency | Power | SNR/MER | Corrected | Uncorrectables |
| 20 | Locked | 256QAM | 531000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 4 | Locked | 256QAM | 435000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 12 | Locked | 256QAM | 483000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 28 | Locked | 256QAM | 579000000 Hz | -1 dBmV | 40 dB | 0 | 0 |
| 1 | Locked | 256QAM | 417000000 Hz | -2 dBmV | 40 dB | 4 | 0 |
| 2 | Locked | 256QAM | 423000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 3 | Locked | 256QAM | 429000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 5 | Locked | 256QAM | 441000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 6 | Locked | 256QAM | 447000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 7 | Locked | 256QAM | 453000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 8 | Locked | 256QAM | 459000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 9 | Locked | 256QAM | 465000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 10 | Locked | 256QAM | 471000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 11 | Locked | 256QAM | 477000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 13 | Locked | 256QAM | 489000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 14 | Locked | 256QAM | 495000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 15 | Locked | 256QAM | 501000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 16 | Locked | 256QAM | 507000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 17 | Locked | 256QAM | 513000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 18 | Locked | 256QAM | 519000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 19 | Locked | 256QAM | 525000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 21 | Locked | 256QAM | 537000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 22 | Locked | 256QAM | 543000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 23 | Locked | 256QAM | 549000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 24 | Locked | 256QAM | 555000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 25 | Locked | 256QAM | 561000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 26 | Locked | 256QAM | 567000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 27 | Locked | 256QAM | 573000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 29 | Locked | 256QAM | 585000000 Hz | -1 dBmV | 40 dB | 0 | 0 |
| 30 | Locked | 256QAM | 591000000 Hz | -1 dBmV | 40 dB | 0 | 0 |
| 31 | Locked | 256QAM | 597000000 Hz | -1 dBmV | 40 dB | 0 | 0 |
| 32 | Locked | 256QAM | 603000000 Hz | -2 dBmV | 40 dB | 0 | 0 |
| 193 | Locked | OFDM PLC | 957000000 Hz | -5 dBmV | 40 dB | 261682 | 0 |
| Upstream Bonded Channels | ||||||
|---|---|---|---|---|---|---|
| Channel ID | Lock Status | US Channel Type | Frequency | Width | Power | |
| 20 | Locked | SC-QAM | 35600000 Hz | 6400000 | 47.0 dBmV | |
| 17 | Locked | SC-QAM | 16400000 Hz | 6400000 | 49.0 dBmV | |
| 19 | Locked | SC-QAM | 29200000 Hz | 6400000 | 48.0 dBmV | |
| 18 | Locked | SC-QAM | 22800000 Hz | 6400000 | 48.0 dBmV | |
[EVENT LOG]
Date Time Event Level Description
13/11/2023 23:07:36
notice
GUI Login Status - Login Success from LAN interface; client ip=[yy.yy.yy.yy];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:59
notice
REGISTRATION COMPLETE - Waiting for Operational status;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:55
warning
RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:51
critical
Config File Rejected due to Invalid or Unexpected TLV 11;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:51
notice
TLV-11 - unrecognized OID;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:50
warning
MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:50
notice
CMSTATUS:DS_Diplexer_Mode_Change_Ignored:[TLV-84.3], [1002MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:50
notice
CMSTATUS:DS_Diplexer_Mode_Change_Ignored:[TLV-84.2], [108MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:50
notice
CMSTATUS:US_Diplexer_Mode_Change:[TLV-84.1], [5-42MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:35
notice
CMSTATUS:DS_Diplexer_Mode_Change_Ignored:[TLV-21.3], [1002MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:35
notice
CMSTATUS:DS_Diplexer_Mode_Change_Ignored:[TLV-21.2], [258MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:35
notice
CMSTATUS:US_Diplexer_Mode_Change:[TLV-21.1], [5-85MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:35
notice
CMSTATUS:US_Diplexer_Mode_Change:[TLV-9], [5-85MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:35
notice
Honoring MDD; IP provisioning mode = IPv6;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:15
critical
Config File Rejected due to Invalid or Unexpected TLV 11;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:15
notice
TLV-11 - unrecognized OID;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:12
critical
SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:12
warning
MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:12
notice
CMSTATUS:DS_Diplexer_Mode_Change_Ignored:[TLV-84.3], [1002MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:12
notice
CMSTATUS:DS_Diplexer_Mode_Change_Ignored:[TLV-84.2], [108MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
13/11/2023 23:06:12
notice
CMSTATUS:US_Diplexer_Mode_Change:[TLV-84.1], [5-42MHZ];CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=[Edited: "Personal Information"];CM-QOS=1.1;CM-VER=3.1;
XfinitySara
Official Employee
•
1.8K Messages
2 years ago
Hey there, user_b3bf7c! Thanks for creating a post regarding your modem concerns. I'm so glad to hear you've already worked with us on troubleshooting and that a tech has been out as well. I'd still love to see what our Digital Care Team can do to help! If I may ask, how does this affect your service? Are you seeing an intermittent connection or slower speeds than expected, especially on hardwired devices?
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