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Author Topic: FTTC Modem Question  (Read 39680 times)

konrado5

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Re: FTTC Modem Question
« Reply #150 on: April 27, 2016, 12:01:09 AM »

There you go,

Ooh, they are quite nice graphs. (I'm sure konrado5 will be taking a look.)
I don't like VDSL2+ graphs because there are significantly compressed (a lot of tones instead ADSL2+ 511 tones).
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JoshShep

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Re: FTTC Modem Question
« Reply #151 on: April 28, 2016, 11:47:45 AM »

SNR has dropped to 5.4, no idea why, had a lot of errors coming in.

What's really annoying now is I stopped monitoring the connection last night. I shutdown the PC as its been on for nearly a week and its in our bedroom so its difficult to sleep with the fans going...  :'(

Code: [Select]
xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 29180 Kbps, Downstream rate = 88680 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 79442 Kbps

Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 5.4 11.1
Attn(dB): 13.3 0.0
Pwr(dBm): 13.8 1.1
VDSL2 framing
Bearer 0
MSGc: 14 150
B: 51 236
M: 1 1
T: 64 5
R: 12 16
S: 0.0208 0.3771
L: 24576 5410
D: 1555 1
I: 64 255
N: 64 255
Counters
Bearer 0
OHF: 290528118 491639
OHFErr: 100 15
RS: 1360564576 1758562
RSCorr: 2189457 250
RSUnCorr: 6314 0

Bearer 0
HEC: 1662 0
OCD: 35 0
LCD: 35 0
Total Cells: 3570266662 0
Data Cells: 561384233 0
Drop Cells: 0
Bit Errors: 0 0

ES: 16 13
SES: 0 0
UAS: 28 28
AS: 388887

Bearer 0
INP: 3.00 0.00
INPRein: 0.00 0.00
delay: 8 0
PER: 1.33 6.15
OR: 119.53 202.87
AgR: 79561.21 20203.27

Bitswap: 127440/127441 75/75

Total time = 1 days 12 hours 1 min 55 sec
FEC: 2189457 250
CRC: 100 15
ES: 16 13
SES: 0 0
UAS: 28 28
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 15 minutes time = 1 min 55 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 34 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 12 hours 1 min 55 sec
FEC: 1559821 21
CRC: 9 0
ES: 1 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 119808 46
CRC: 49 2
ES: 7 2
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Since Link time = 4 days 12 hours 1 min 27 sec
FEC: 2189457 250
CRC: 100 15
ES: 16 13
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
#
« Last Edit: April 28, 2016, 07:21:06 PM by burakkucat »
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Dray

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Re: FTTC Modem Question
« Reply #152 on: April 28, 2016, 11:53:21 AM »

There aren't any fans in a Raspberry Pi. Just sayin'  :whistle:
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JoshShep

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Re: FTTC Modem Question
« Reply #153 on: April 28, 2016, 11:57:58 AM »

There aren't any fans in a Raspberry Pi. Just sayin'  :whistle:

I know  :wry: might have to invest in one  ;)

JoshShep

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Re: FTTC Modem Question
« Reply #154 on: April 28, 2016, 12:33:56 PM »

Just spoke to Plusnet they have put it through as a fault and will get back to me, I assume this is why I'm having such problems, it isn't normal for the SNR to drop from 6.5/ to 5.4 is it?

If Openreach look into this and they see the low SNR and errors on the line, what's the chance of them fixing it? Would they see this as a fault, even though clearly it is.

roseway

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Re: FTTC Modem Question
« Reply #155 on: April 28, 2016, 01:03:35 PM »

Quote
it isn't normal for the SNR to drop from 6.5/ to 5.4 is it?

Yes, it's quite normal. Changes in interference levels, increased crosstalk caused by additional users being connected to your local cabinet, or possibly a line fault.
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  Eric

JoshShep

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Re: FTTC Modem Question
« Reply #156 on: April 28, 2016, 02:10:04 PM »

Yes, it's quite normal. Changes in interference levels, increased crosstalk caused by additional users being connected to your local cabinet, or possibly a line fault.

I get what your saying, but it's suddenly dropped never seen it this low before, maybe it has just not ran stats at the moment it has dropped.
« Last Edit: April 28, 2016, 02:12:36 PM by JoshShep »
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Chrysalis

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Re: FTTC Modem Question
« Reply #157 on: April 28, 2016, 03:51:19 PM »

5.4 isnt that low, most likely cause is new disturber.
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JoshShep

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Re: FTTC Modem Question
« Reply #158 on: April 28, 2016, 04:14:08 PM »

5.4 isnt that low, most likely cause is new disturber.

Fair enough, I know if I re sync the connection it will go back to 6.5 but will it return to this if I leave it alone?

JoshShep

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Re: FTTC Modem Question
« Reply #159 on: April 28, 2016, 08:49:30 PM »

I have already asked this question but no one answered me, I have an old style NTE5 with the screw terminals and the an Openreach VDSL faceplate, no marking of MK2 or MK3 so I assume it will just be a MK1?

Just wondering if I purchased a new Openreach MK3 VDSL/ADSL Faceplate with the NTE5a would it benefit me in any way at all?

I have the first one shown in the pictures, also I have an extension running upstairs into the bedroom.

Cheers

Josh

[attachment deleted by admin]

JoshShep

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Re: FTTC Modem Question
« Reply #160 on: April 28, 2016, 10:24:40 PM »

Kitz do you have an input on this please?

Dray

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Re: FTTC Modem Question
« Reply #161 on: April 28, 2016, 10:39:15 PM »

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Dray

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Re: FTTC Modem Question
« Reply #162 on: April 28, 2016, 10:44:34 PM »

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burakkucat

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Re: FTTC Modem Question
« Reply #163 on: April 28, 2016, 11:32:03 PM »

I have already asked this question but no one answered me, I have an old style NTE5 with the screw terminals and the an Openreach VDSL faceplate, no marking of MK2 or MK3 so I assume it will just be a MK1?

Yes it will, therefore, be a Mk 1. Your NTE5/A looks to be newer than the one fitted in The Cattery:D

Quote
Just wondering if I purchased a new Openreach MK3 VDSL/ADSL Faceplate with the NTE5a would it benefit me in any way at all?

To be honest, I doubt that you will notice any difference.  :-\  However a quick search on eBay returns this collection.
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JoshShep

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Re: FTTC Modem Question
« Reply #164 on: April 29, 2016, 12:09:44 AM »

I've read through the thread and the difference between the MK1 to 3 is marginal, although I still think I'll get one. My NTE5 is what's worrying me, I remember at my last property when I had an engineer there he said they don't use the old style sockets with screw terminals as they are known to cause problems.
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