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Author Topic: New FTTC connection was getting 70mbps down. Now getting 47mbps  (Read 18760 times)

Dray

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #15 on: July 03, 2015, 05:15:21 PM »

Looks like a Huawei 128.
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burakkucat

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #16 on: July 03, 2015, 05:39:24 PM »

Looks like a Huawei 128.

In-diddly-de-de. Equipped with a Huawei SmartAX MA5616 MSAN (and deployed as a DSLAM).  ;)
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carrtim1

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #17 on: July 03, 2015, 05:53:32 PM »

So does that explain anything  :)

I've connected my HG612 modem up now and will leave it on now.

Dumb ass question, but when using dslstats do i need a pc running it constantly or is the data stored on the modem and the program just pulls the stats off from that? What I'm asking is do I need a pc running dslstats 24/7?

If I connect line 2 to an spare ethernet port on the back of the router can I access the modem over wifi?
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Black Sheep

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #18 on: July 03, 2015, 05:57:56 PM »

I've just read your opening post and have to say, (as is typical with someone new to DSL technologies), it's riddled with questionable 'facts'.

I humbly suggest you listen to the 'Stats' guys on here, and get connected to the MDWS. The post defies the laws of physics and cannot be used to determine the issue with your connection. 
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guest

  • Guest
Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #19 on: July 03, 2015, 06:07:08 PM »

For a 1km line, somewhere around 30-40Mbps would be what I'd expect for an early adopter - ie one of the first lines connected.

Its not going to stay that way though. Without vectoring I'd expect it to drop to 25Mbps at best, probably more like 20Mbps if takeup is high. This is due to cross-talk - if you don't know what that is then I'm sure kitz mentions it in one of her helpful guides, so read those first :)

If you are absolutely certain of the metallic path length to the cabinet then if you end up with a stable connection at 30Mbps down you're doing well.
« Last Edit: July 03, 2015, 06:13:56 PM by rizla »
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carrtim1

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #20 on: July 03, 2015, 06:13:34 PM »

Hi

The whole thing is a big mystery. The thing is, I was without a doubt getting 70mbps for 3 weeks with no problem. Passed the training period and it locked at that. Then suddenly and no one can explain it my speeds dropped to which everyone is saying is expected. If I had got this to start with I wouldn't be questioning it. I have better things to be doing with my time but BT OR SFI's are conflicting each other 2 say there's a fault d-side cable and 2 are saying no there is isn't just deal with it. Obviously Openreach are standing behind the two that will save them hassle and money. My ISP are saying they won't do anything more and I can move to another provider! My throughput is erratic but still they say there is nothing wrong and it's in line with what I'm paying for.

Anyway here is a bit of data. I will get dslstats installed. How do i find out if the cab is got G.INP on it?
# xdslcmd info --stats   
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason:   0
Last initialization procedure status:   0
Max:   Upstream rate = 15333 Kbps, Downstream rate = 47992 Kbps
Bearer:   0, Upstream rate = 15456 Kbps, Downstream rate = 48180 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):    6.1       6.2
Attn(dB):    21.1       0.0
Pwr(dBm):    13.8       7.6
         VDSL2 framing
         Bearer 0
MSGc:      18      24
B:      249      237
M:      1      1
T:      64      64
R:      4      16
S:      0.1651      0.4899
L:      12304      4148
D:      1      1
I:      254      127
N:      254      254
         Counters
         Bearer 0
OHF:      494210      167319
OHFErr:      6      0
RS:      31605361      2115237
RSCorr:      39      0
RSUnCorr:   30      0

         Bearer 0
HEC:      80      0
OCD:      4      0
LCD:      4      0
Total Cells:   121428757      0
Data Cells:   2237240      0
Drop Cells:   0
Bit Errors:   0      0

ES:      4      0
SES:      0      0
UAS:      26      26
AS:      1311

         Bearer 0
INP:      0.00      0.00
INPRein:   0.00      0.00
delay:      0      0
PER:      2.65      7.86
OR:      72.37      30.50
AgR:      48252.45   15486.34

Bitswap:   74/74      3/3

Total time = 22 min 17 sec
FEC:      39      0
CRC:      6      0
ES:      4      0
SES:      0      0
UAS:      26      26
LOS:      0      0
LOF:      0      0
LOM:      0      0
Latest 15 minutes time = 7 min 17 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:      39      0
CRC:      6      0
ES:      4      0
SES:      0      0
UAS:      26      26
LOS:      0      0
LOF:      0      0
LOM:      0      0
Latest 1 day time = 22 min 17 sec
FEC:      39      0
CRC:      6      0
ES:      4      0
SES:      0      0
UAS:      26      26
LOS:      0      0
LOF:      0      0
LOM:      0      0
Previous 1 day time = 0 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
Since Link time = 21 min 51 sec
FEC:      39      0
CRC:      6      0
ES:      4      0
SES:      0      0
UAS:      0      0
LOS:      0      0
LOF:      0      0
LOM:      0      0
#
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guest

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #21 on: July 03, 2015, 06:17:00 PM »

With that attenuation figure I'd suggest you are a lot closer than "991m" to the cabinet. More like 250m.
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Dray

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #22 on: July 03, 2015, 06:28:36 PM »

Now you have the modem that supports G.INP connected to the cabinet that supports G.INP, it should turn on of it's own accord.

And yes, you do need DSLStats running continuously but it can be run on a Raspberry Pi ;)
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NewtronStar

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #23 on: July 03, 2015, 06:32:49 PM »

Have to say I am interested in this thread as my 4 year old Huawei 288 cabinet is exactly 1km to my master socket and the attenuation is 24.9dB and all I get is 30-32mbp  :cool:
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GigabitEthernet

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #24 on: July 03, 2015, 06:43:45 PM »

My attenuation is 23 dB and I am 850m away from the cabinet, so respectfully, rizla, I don't think the OP is that close to the cabinet, they may be 700m at a push?
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GigabitEthernet

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #25 on: July 03, 2015, 06:49:33 PM »

BTW, I wouldn't suggest going with BT if you want to pressurise OR into doing something. AAISP would be the best ISP for that.
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carrtim1

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #26 on: July 03, 2015, 07:03:06 PM »

Mr mrs will love you lot, another good excuse to buy some stuff  :)

Is there a way to find out if the cabinet in G.INP enabled? I've asked the question during this journey and the BT OR SFI's couldn't tell me and my ISP didn't even know about G.INP!
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Dray

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #27 on: July 03, 2015, 07:10:59 PM »

I think G.INP (Mk 2) is currently being rolled out to all Huawei cabs, so it should just turn on by itself.
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guest

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #28 on: July 03, 2015, 07:11:55 PM »

Sorry I read power as S/N....
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NewtronStar

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Re: New FTTC connection was getting 70mbps down. Now getting 47mbps
« Reply #29 on: July 03, 2015, 10:07:57 PM »


Is there a way to find out if the cabinet in G.INP enabled?

Yes G.INP will show up in your connection stats and you don't have G.INP enabled on your line at the moment, sorry you will have to wait as the current G.INP Mk1 users all need to be updated to Mk2 first before it's enabled on new lines or reset lines after the 5th of April 2015.

I guess the reason was to get the G.INP Mk1 effected users who had issues sorted out quickly before they start on new lines.
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