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Author Topic: G.Fast Faulty  (Read 4561 times)

adslmax

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G.Fast Faulty
« on: January 08, 2022, 09:57:47 PM »

I can hear cracking noise on the phone line dialed 17070 option 2 really bad one! Sync drop to 129/27 from 241/38 as there is more than 400 errors on downstream and more than 200 errors on the upstream as the line kept dropping 31 times all day today. I have emailed my isp but no reply yet. SNR kept go up and down all day 21dB to 0dB >:( :( I just cannot wait to get rid of G.fast for good in May. Had enough now. Should have stayed with FTTC 80/20 which it more stable, reliable for 7 years with max speed. Really disappointed with G.fast overall.

Code: [Select]
Stats recorded 08 Jan 2022 21:47:02

DSLAM type / SW version: BDCM:0xc190 (193.144) / v0xc190
Modem/router firmware:  AnnexA version - A2pvfbH043q.d26u
DSL mode:                G
Status:                  Showtime
Uptime:                  8 days 19 hours 14 min 2 sec
Resyncs:                31 (since 08 Jan 2022 21:46:14)

Downstream Upstream
Line attenuation (dB):  37.8 0.0
Signal attenuation (dB): 37.8 0.0
Connection speed (kbps): 129301 27761
SNR margin (dB):        21.1 18.1
Power (dBm):            0.0 4.1
Interleave depth:       
INP:                    550.00 607.00
G.INP:                  Not enabled Not enabled
Vectoring status:        Unknown

RSCorr/RS (%):          17.2512 12.2730
RSUnCorr/RS (%):        0.0000 0.0000
ES/hour:                471 216

« Last Edit: January 08, 2022, 10:44:14 PM by adslmax »
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meritez

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Re: G.Fast Faulty
« Reply #1 on: January 08, 2022, 10:04:05 PM »

So let's do some basic checks:
1. Disconnect your g.fast router and perform a silent line test without anything else attached, does the crackling persist?

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adslmax

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Re: G.Fast Faulty
« Reply #2 on: January 08, 2022, 10:10:51 PM »

Do u mean switch off G.fast router. Plugged into test socket then dial 17070 option 2?
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burakkucat

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Re: G.Fast Faulty
« Reply #3 on: January 08, 2022, 10:32:43 PM »

Do u mean switch off G.fast router. Plugged into test socket then dial 17070 option 2?

Yes, that's correct.
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adslmax

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Re: G.Fast Faulty
« Reply #4 on: January 08, 2022, 10:34:46 PM »

ok do I need to test 17070 option 2 with leaving faceplate on or test it in the test socket by unclipped front faceplate off?
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adslmax

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Re: G.Fast Faulty
« Reply #5 on: January 08, 2022, 10:41:13 PM »

No dsl cable from the front faceplate dial 17070 option 2 cracking noise! Removed from frontplate unclipped off and dial 17070 option 2 in test socket (quiet line, no cracking noise)

Seem frontplate faulty?

Updated: Isp has replied there is fault on the telephone and booked in for an engineer on Tuesday morning slot.
« Last Edit: January 08, 2022, 10:46:49 PM by adslmax »
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burakkucat

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Re: G.Fast Faulty
« Reply #6 on: January 08, 2022, 10:51:53 PM »

No dsl cable from the front faceplate dial 17070 option 2 cracking noise! Removed from frontplate unclipped off and dial 17070 option 2 in test socket (quiet line, no cracking noise)

Seem frontplate faulty?

Yes, I agree with your analysis.
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adslmax

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Re: G.Fast Faulty
« Reply #7 on: January 08, 2022, 10:56:56 PM »

Hope the engineer will replaced new socket and I will asked him to downgraded me to FTTC 80/20 until May with the same isp but I think I need to ask my isp first because the speed are below minimum threshold.
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burakkucat

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Re: G.Fast Faulty
« Reply #8 on: January 08, 2022, 11:22:29 PM »

Hope the engineer will replaced new socket . . .

Yes, I would expect that to be done.

Quote
. . . and I will asked him to downgraded me to FTTC 80/20 until May with the same isp but I think I need to ask my isp first because the speed are below minimum threshold.

The engineer will only perform the task that the ISP has requested which, in this case, is to find & eliminate the source of the audible noise and resolve the G.Fast service degradation. 
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GigabitEthernet

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Re: G.Fast Faulty
« Reply #9 on: January 09, 2022, 12:04:46 AM »

Why can't you just use your connection? What is wrong with it?
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Reformed

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Re: G.Fast Faulty
« Reply #10 on: January 09, 2022, 12:40:48 AM »

You have a fault. Your ISP is fixing it. You are not entitled to a downgrade due to not hitting the minimum unless it cannot be fixed.

If they downgrade you that's at their discretion. Brutal as it is you agreed a contract and claimed you were competent to agree it. They are a very small operator so can't as easily take making a loss on you as Plusnet, Virgin Media and your earlier G.fast ISP did.

I believe it would cost them money to move you from your current service to 80/20 as your line needs moving from pod to cabinet.

I think they're doing fine getting an engineer to you to fix the issue on Tuesday. Faults and performance issues happen on FTTP, too. You at least have service and a service that does everything you need it to.

You probably wouldn't be aware of the issue if not for that abominable stats collector. Engineer on the way, fixed on Tuesday, done.

burakkucat

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Re: G.Fast Faulty
« Reply #11 on: January 09, 2022, 12:56:28 AM »

I can hear cracking noise on the phone line dialed 17070 option 2 . . .

I do not think it is unreasonable to request that the defect be fixed. As we all know, a telephony circuit should be silent.

[off topic]
As the NTE5/C is well-known to be a junk device, I would fix the fault myself. Replace the NTE5/C with an NTE5/A and add a Mk 3 SSFP.
[/off topic]
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adslmax

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Re: G.Fast Faulty
« Reply #12 on: January 09, 2022, 01:01:31 AM »

[off topic]
As the NTE5/C is well-known to be a junk device, I would fix the fault myself. Replace the NTE5/C with an NTE5/A and add a Mk 3 SSFP.
[/off topic]

Then why Openreach engineer aware of this junk device that should never installed during first day of G.fast?
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burakkucat

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Re: G.Fast Faulty
« Reply #13 on: January 09, 2022, 01:06:42 AM »

Then why Openreach engineer aware of this junk device that should never installed during first day of G.fast?

Because of a "management" decree.  ::)
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meritez

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Re: G.Fast Faulty
« Reply #14 on: January 09, 2022, 01:32:02 AM »

Why can't you just use your connection? What is wrong with it?

The funky master socket has a fault due to the inbuilt filter.

Max could go back to the test socket put a dangly filter in and see if the issue goes away.
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