Downstream power levels

That's high to being out of spec. What do the upstream power levels look like ?

my upstream has 5 channels locked and range from 41 to 45.3. my number 5 channel is at 1280 ksym/sec and mother 4 are at 5120 ksym/sec

Those aren't current. These are;

Specification      Min             Max

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@Matthewwebster5 wrote:

my upstream has 5 channels locked and range from 41 to 45.3. my number 5 channel is at 1280 ksym/sec and mother 4 are at 5120 ksym/sec

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They're o/k. 

Copied from another thread; these are the numbers for Comcast.  You may read other sources that cite different numbers, but these are the specs for Comcast:

Comcast modem level specs

Begin Quote----------------------------------------------------------------------------

These are the Comcast system / cable plant spec from the troubleshooting tips sticky topic at the top of this board. Again, they are the only ones that really matter;

Downstream Power Levels: -8dBmV to  +10dBmV

Downstream Signal to Noise Ratio (SNR):  >35dB 

Upstream Power Level:  +25dBmV to +54dBmV

Upstream Signal to Noise Ratio (uSNR): >31dB  

Upstream Receive Power: -2dBmV to +2dBmV

End Quote-----------------------------------------------------------------------------------------

i spoke to tech support today and they are sending a tech to check the lines. i am getting a lot of t3 timeout errors and fluctuating signal levels that could verify on their end. i already had the drop replaced about 2-3 months ago because it literally melted inside the box on the side of the box from the pole. 

https://imgur.com/WlsxVId

https://imgur.com/J7imhVD

as you can see by the linked screenshots it shows im still on the 200mbps plan and not the 600mbps plan. i have a tech coming tomorrow to look at lines so i hope it gets fixed.

a tech is coming out today to hopefully fix the issue.

The downstream power is still high. Not certain that is the root cause of the problem but you can try inserting a minus 6dB attenuator pad into the coax line at the back of the modem to balance out those power levels and see;

https://www.amazon.com/6db-Attenuator-Pad-1-each/dp/B0013L48XA

Good luck !

Please post back with how things turn out.

tech came out and he said everything looked fine on his end. speed tested via ethernet and got 500mbps which is close to the speeds im paying for, but on my wifi i only get 200mbps. they immediately blamed my gateway after doing a line test and signal test and said everything looks good. i have another company moving in called metronet, i think when i can im just going to switch as im tired of having techs come out and tell me everything is good and blaming my equipment. the gateway is less than a year old. i bought it last year at tax time. he reactivated modem and made sure correct speed provisioning and boot file were loaded as well. he got 700mbps via his tester hooked to ethernet port.