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yadesai
On our wavelength
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Are my power levels within range?

Hi. I have been having a issues with my broadband and was hoping to get my power levels and SNR on the down and up stream checked by someone more knowledgeable then me to see if that is where my issues are. I believe there are within range but just wanted to get them double checked. I have a hub 3.0

Thanks

Downstream bonded channels

Channel

Frequency(Hz)

Power
(dBmV)

SNR
(dB)

Modulation

Channel ID

1

299000000

5.6

40.3

256 qam

17

2

323000000

5

40.3

256 qam

20

3

315000000

5.1

40.9

256 qam

19

4

307000000

5.3

40.3

256 qam

18

5

291000000

5.5

40.3

256 qam

16

6

283000000

5.5

40.9

256 qam

15

7

275000000

5.6

40.3

256 qam

14

8

267000000

5.8

40.3

256 qam

13

9

259000000

5.9

40.3

256 qam

12

10

251000000

6

40.3

256 qam

11

11

243000000

6

40.3

256 qam

10

12

235000000

6.3

40.9

256 qam

9

13

227000000

6.4

40.3

256 qam

8

14

219000000

6.5

40.3

256 qam

7

15

211000000

6.5

40.9

256 qam

6

16

203000000

6.9

40.3

256 qam

5

17

195000000

7.1

40.9

256 qam

4

18

187000000

7.4

40.3

256 qam

3

19

179000000

7.3

40.3

256 qam

2

20

171000000

7.6

40.9

256 qam

1

 

Upstream bonded channels

 

Channel ID

Frequency(Hz)

Mode

Power(dBmV)

Modulation

Channel Bandwidth(Hz)

Symbol Rate (ksps)

39

32600000

ATDMA

42

64 qam

6400000

5120

37

46200000

ATDMA

42

64 qam

6400000

5120

 

Cable Modem Status

Item

Status

Comments

Acquired Downstream Channel(Hz)

299000000

Locked

Ranged Upstream Channel(Hz)

39400000

Locked

Provisioning State

Online

 
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Superuser
Superuser
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Re: Are my power levels within range?

All good. What are the issues?

Dave.


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Superuser
Superuser
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Re: Are my power levels within range?

All good. What are the issues?

Dave.

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yadesai
On our wavelength
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Re: Are my power levels within range?

every few days it needs a restart as the ping becomes quite high but once its restarted its fine for a couple days. It was worse but an engineer came few weeks ago and replaced all the isolators and connectors as well as the hub.

What are the typical issues when power levels and SNR are out of the acceptable range?

Thanks
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Sephiroth
Alessandro Volta
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Re: Are my power levels within range?

The issues are described in the POWER LEVELS & SNR sticky thread at the top of the page.

Seph - ( DEFROCKED - My advice is at your risk)

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