New Poster
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4 Messages
SB6141 bad? Help with signal levels
Hello. Recently switched back to Comcast and having trouble getting my SB6141 connecting. My older SB6121 seems to work fine, but the SB6141 won't connect.
Here is my SB6141 signal page:
| Downstream | Bonding Channel Value | |
|---|---|---|
| Channel ID | 4 | |
| Frequency | 501000000 Hz | |
| Signal to Noise Ratio | 35 dB | |
| Downstream Modulation | QAM256 | |
Power Level
|
-11 dBmV |
| Upstream | Bonding Channel Value |
|---|---|
| Channel ID | 2 |
| Frequency | 29400000 Hz |
| Ranging Service ID | n/a |
| Symbol Rate | 5.120 Msym/sec |
| Power Level | 55 dBmV |
| Upstream Modulation | [2] QPSK [1] 32QAM [3] 64QAM |
| Ranging Status | Other |
| Signal Stats (Codewords) | Bonding Channel Value |
|---|---|
| Channel ID | 4 |
| Total Unerrored Codewords | 2769712 |
| Total Correctable Codewords | 1 |
| Total Uncorrectable Codewords |
471 |
Accepted Solution
CCAndrew
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25.9K Messages
6 years ago
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CCAndrew
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25.9K Messages
6 years ago
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dhawk
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4 Messages
6 years ago
For comparison SB6121 signal (which works)
[1] 32QAM
[3] 64QAM
[1] 32QAM
[3] 64QAM
[1] 32QAM
[3] 64QAM
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dhawk
New Poster
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4 Messages
6 years ago
Original post is SB6141 which I am having problems with. The second post is my SB6121 which works.
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CCAndrew
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6 years ago
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dhawk
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4 Messages
6 years ago
Actually reset it multiple times, but this time I left it go for about an hour. I finally got good levels. I think?
[1] 32QAM
[3] 64QAM
[1] 32QAM
[3] 64QAM
[1] 32QAM
[3] 64QAM
Retries Exceed
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EG
Expert
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111.7K Messages
6 years ago
In a self troubleshooting effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. Any splitters that remain should be high quality and cable rated for 5-1002 MHz, bi-directional, and no gold colored garbage types like GE, RadioShack, RCA, Philips, Leviton, Magnavox, and Rocketfish from big box stores like Home Depot, Lowes, Target, Wal-Mart etc. Splitters should be swapped with known to be good / new ones to test
If there aren't any unneeded splitters that can be eliminated and if your coax wiring setup can't be reconfigured so that there is a single two way splitter connected directly off of the drop from the street/pole with one port feeding the modem and the other port feeding the rest of the house/equipment with additional splits as needed, and you've checked all the wiring and fittings for integrity and tightness and refresh them by taking them apart then check for and clean off any corrosion / oxidation on the center wire and put them back together again, then perhaps it's best to book a tech visit to investigate and correct.
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