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OFDMA power level too high 57 or normal?

amd7674
I plan to stick around

Cable Modem

HW Version: 10
Vendor: ARRIS Group, Inc.
BOOT Version: 4.2.28.668728
Core Version: dunfell
Model: TG4482A
Product Type: XB7
Flash Part: 4857 MB
Download Version: 7.3.1.0.65
 

System Software Version

eMTA & DOCSIS Software Version: 7.3.1.0.65
Software Image Name: TG4482SV6_5.2p10s1_PROD_sey
Advanced Services: TG4482A
Packet Cable: 1.5
 
IndexLock StatusFrequencySymbol RatePower LevelModulationChannel Type
Upstream
Channel Bonding Value
1
2
3
4
5
Locked
Locked
Locked
Locked
Locked
38700000
21100000
32300000
25900000
45700000-84950000
5120 KSym/sec
2560 KSym/sec
5120 KSym/sec
5120 KSym/sec
0 KSym/sec
42.020599
40.260300
40.770599
40.770599
57.141663
64QAM
64QAM
64QAM
64QAM
OFDMA
US_TYPE_ATDMA
US_TYPE_TDMA_ATDMA
US_TYPE_ATDMA
US_TYPE_ATDMA
US_TYPE_OFDMA
 
I've noticed my usual upstream of 20mb has increased to 100mb.   I'm not sure if this is temp Rogers testing or perm solution.   I haven't noticed any issues yet, however 57 seems a little too high for me.  
 
My downstream channels seems to be fine.
 
IndexLock StatusFrequencySNRPower LevelModulation
Downstream
Channel Bonding Value
13
7
8
9
2
3
4
5
6
10
11
12
1
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
0
0
33
34
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
 
 
Locked
Locked
633000000
591000000
597000000
603000000
849000000
855000000
861000000
579000000
585000000
609000000
615000000
621000000
279000000
639000000
645000000
651000000
657000000
663000000
669000000
675000000
681000000
687000000
693000000
699000000
705000000
711000000
717000000
723000000
825000000
831000000
837000000
843000000
 
 
352800000
922800000
38.983261
38.983261
38.983261
38.983261
38.605377
38.983261
38.983261
38.983261
38.605377
38.983261
38.983261
38.983261
38.983261
38.983261
38.605377
38.605377
38.605377
38.983261
38.983261
38.983261
38.605377
38.983261
38.605377
38.983261
38.605377
38.983261
38.983261
38.983261
38.605377
38.605377
38.605377
38.605377
 
 
40.20 dB
38.67 dB
0.400002
0.799999
0.200001
0.099998
-0.099998
-0.200001
-0.400002
0.799999
0.799999
0.400002
0.500000
0.400002
-0.900002
0.400002
0.400002
0.400002
0.299999
0.299999
0.299999
0.099998
0.099998
0.099998
0.099998
0.599998
0.200001
0.299999
-0.099998
-0.099998
0.099998
0.200001
0.099998
0.099998
 
 
-0.900002 dBmV
-1.400002 dBmV
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
QAM256
 
 
OFDM
OFDM
 
 
 
23 REPLIES 23

Re: OFDMA power level too high 57 or normal?

amd7674
I plan to stick around

I lost internet again around 12:30pm.   This is really starting to annoy me and I'm getting tired of this 😞    When  I lost internet, I checked and there was blinking green light on my XB7 modem.   Which I believe means upstream registration.    What is going on?   I was stable for months, and now with this "out of nowhere" OFDMA upstream support things are unstable with my network :-(.    It seems Rogers are conducting LIVE TESTING on customers... This is totally unacceptable it is interrupting my and my wife's work, not too mention teenagers at home and their needs.   I have Bell fibre available in my area, and I'm about to send them email for details.... grrrrr... Also if the problem happens again I will reach out to Rogers reps via PM this afternoon so they can look at my modem.    Having modem unbridged it is pain in the ars.

Re: OFDMA power level too high 57 or normal?

Ok, next step, plan A:

 

1.  Plan A:  reinstall the MoCA POE filter

2.  Plan B.  uninstall the MoCA POE filter and install the Forward Path Attenuator

3.  Plan C.  install both MoCA POE filter and the Forward Path Attenuator

 

Move from plan A to Plan B when and if there's another disconnect.  Same with plan C.   Do this one step at a time, looking for the next disconnect to occur.  Hopefully it won't and you will be able to determine if either the MoCO POE filter or the Forward path Attenuator solves the issue.

 

If the MoCA POE filter resolves the issue, that points to one of your neighbours running a MoCA network without a POE filter installed to prevent MoCA leakage out to the neighbourhood.

 

If the Forward Path Attenuator resolves the issue, that points to a signal problem within the OFDMA channel, or an OFDMA processing issue of some type. 

 

  

Re: OFDMA power level too high 57 or normal?

amd7674
I plan to stick around

 

1. Plan A: reinstall the MoCA POE filter 

2. Plan B. uninstall the MoCA POE filter and install the Forward Path Attenuator

3. Plan C. install both MoCA POE filter and the Forward Path Attenuator

 

Plan A was in place with several internet interruptions with blinking green light (upstream) as experienced yesterday (late afternoon / evening).   After which I removed the MOCA filter and I rebooted the modem.   Since I got an error I don't think it is my neighbours MOCA setup.   My next house neighbour is using Bell, I'm not sure if that matters though.

I think I will go to Plan B later today. 


Thanks again.

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