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Can anyone explain how G.INP works. It has been enabled on my line (according to my modem HG612) which has meant that the d/l according to the modem has jumped from 43000 to 52000. My dowmload speed according to the speedcheckers has remained at 40060. Contacted Plusnet who said that they did not support G.INP. I thought it was implemented at cabinet level and was a way of reducing the crosstalk on the copper feed to the premises in which case why would Plusnet have to support it ?
Confused
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Can anyone explain how G.INP works. It has been enabled on my line (according to my modem HG612) which has meant that the d/l according to the modem has jumped from 43000 to 52000. My dowmload speed according to the speedcheckers has remained at 40060. Contacted Plusnet who said that they did not support G.INP. I thought it was implemented at cabinet level and was a way of reducing the crosstalk on the copper feed to the premises in which case why would Plusnet have to support it ?
Yes, plusnet don't have anything to do with it. Since it was enabled have you reconnected your PPPoE session from the router? You sometimes need to reboot the router if the speed changes at the modem.
plusnet unlimited fibre 80/20 product - Installed 2 June 14 - April Sync 57 / 11 with G.INP
16 years UK broadband (Since 1999 ntl:cable trial), Asus RT-AC68U & HG612 - BQM - Speedtest
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It's Openreach that applies g.inp. not Plusnet. The most likely reason why your download sync speed has made that jump is that, prior to that, interleaving was turned on. Both g.inp and interleaving provide correction for short pulse of relatively intense interference, but the latter did so by imposing a permanent and large overhead whilst also adding to latency. In contrast, g.inp is rather more adaptive. It provides correction only for those short impulse periods without that permanent overhead.
As to why your actual download speed hasn't improved, that will most likely be due to the way bandwidth is being managed in the backhaul from the FTTC cabinet for your line. In principle, it ought to be automatic but might take some time and/or require the odd router reboot. However, I do mean just a few. Frequent resyncs can make the line management software think you connection is flaky.
nb. g.inp doesn't have anything to do with managing cross-talk. That's the role of vectoring, which has only been trialed in BT's networks (and brings other potential compatibility and other issues, like longer sync times). This is a useful and an succinct explanation.
http://www.draytek.co.uk/support/guides/kb-what-is-v...
Edited by deleted (Sat 23-May-15 10:31:32)
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My download speed according to the speed checkers has remained at 40060.
What does your "Current line speed" say here? It might need a kick from Plusnet.
Kevin
plusnet Unlimited Fibre - sync approx 65000/20000 at 450m - BQM
Using OpenDNS
Domains and web hosting with TSOHOST
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My thanks to you all. Yes I was confusing G.INP with Vectoring but was correct in thinking it was nothing to do with Plusnet. Interestingly since my post and without any intervention from me, my d/l speed has jumped to 47000.
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That will be because the Plusnet "Current line speed" that kasg linked to has updated to correspond to the new IP Profile your higher sync generated. The update only happens a few times a day.
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How do i check for G.inp using a billion router
Phone exchange:
KNOTTINGLEY
Estimated line speed:
54Mb (Download speed could vary depending on line conditions. Estimates are the maximum speeds that your phone line can support. These speeds are dependent on the package you choose.) - Checked on 2015-05-21 05:41:08
Current line speed:
80 Mb
Edited by deleted (Sat 23-May-15 13:11:31)
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If you're running custom firmware on your HG612 you should make sure you're using a version that supports G.INP. After using the correct firmware my download speed went up by 10Mbps and I gained 4Mbps upload, latency drastically improved as well.
I'm using: bcm96368MVWG_fs_kernel_HG612V100R001C01B030SP08_webgui
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The key thing with firmware for unlocked HG612s is that you use a B030SP08 version. All the B028 versions are obsolete and will not work correctly with G.INP.
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Used a program called DSLstats v5.4 software,on my Billion 8800NL stats below
says G.INP not enabled.
So Has as BT restarted to re enable G.INP
Stats recorded 23 May 2015 15:35:02
DSLAM/MSAN type: BDCM:0xa451 / v0xa451
Modem/router firmware: AnnexA version - A2pv6F039g1.d24m
DSL mode: VDSL2 Profile 17a
Status: Showtime
Uptime: 2 hours 35 min 21 sec
Resyncs: 0 (since 23 May 2015 15:29:58)
Downstream Upstream
Line attenuation (dB): 22.1 0.0
Signal attenuation (dB): Not monitored
Connection speed (kbps): 62190 14105
SNR margin (dB): 6.0 6.1
Power (dBm): 13.9 7.2
Interleave depth: 1 1
INP: 0 0
G.INP: Not enabled
RSCorr/RS (%): N/A 0.0065
RSUnCorr/RS (%): N/A 0.0000
ES/hour: 24.8 0
Edited by deleted (Sat 23-May-15 15:41:35)
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Yes I am running the "08" firmware
Stats show G.INP Enabled
Stats recorded 23 May 2015 15:55:03
DSLAM/MSAN type: BDCM:0xa459 / v0xa459
Modem/router firmware: AnnexA version - A2pv6C038m.d24j
DSL mode: VDSL2 Profile 17a
Status: Showtime
Uptime: 4 days 9 hours 40 min 3 sec
Resyncs: 1 (since 18 May 2015 09:55:59)
Downstream Upstream
Line attenuation (dB): 20.0 0.0
Signal attenuation (dB): Not monitored
Connection speed (kbps): 51707 10606
SNR margin (dB): 5.4 5.1
Power (dBm): 11.9 6.7
Interleave depth: 8 4
INP: 49.00 46.00
G.INP: Enabled
RSCorr/RS (%): 0.0431 0.4191
RSUnCorr/RS (%): 0.0000 0.0000
ES/hour: 0.17 0
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Where does that output come from please? I can't find the same from mine.
Incidentally, although we all talk about the firmware in the HG612, it's the V100R001C01B030SP08 we mean, which in the GUI is labelled Software. I imagine, but I'm not sure, that the software can vary with a constant firmware.
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The key thing with firmware for unlocked HG612s is that you use a B030SP08 version. All the B028 versions are obsolete and will not work correctly with G.INP. The B030SP06 version that i use also works with G.inp
Edited by tommy45 (Sat 23-May-15 18:56:59)
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I'm using DSLStats v5.4.5
That output comes from the Stats tab
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Thanks - that explains why, as I don't have that.
You can check the "software" version using your browser. Just go to 192.168.1.1 (assuming that is your modem IP address) and sign in.
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Yes, I flashed the HG612 with V100R001C01B030SP08 as this is the latest which supports G.INP according to KITZ. The SP10 does not support G.INP. I have a couple of these at clients offices where there is a problem and remote into the servers then view the stats. DSLStats allows me to take a snapshot of the connection details at various times of the day and stores them in a directory which I then access. Mind you, most of the ISP's first line support cannot understand the details and I usually get diverted to a real engineer !!. It's worth it just for that.
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If you look closely at the SP10s, they are earlier - B0 28SP10  .
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yes you are right. I think the sp10 is 2011 and the sp08 is 2014. I downloaded it from
http://forum.kitz.co.uk/index.php?topic=14262.0
(I hope that doesn't contravene any rules). If it does please delete it
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Sorry to have started this debate once again! I'm currectly with Plusnet's FFTC with BTOR's ECI Modem, model No. B-Focus V-2FUB/R Rev-B, and PLusnet's TG582n Router ALL using "original" firmwares. How do I know that my above BTOR ECI modem is supporting G.INP and is ENABLED??
I realised that I have to find a way of locking into my ECI Model while its WLAN port so that I could read its configurations etc, but for that how exactly I may do that as well?
Thanks for any recommendations.....
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I am not aware of any way to unlock the ECI modem without drilling the case to open it and connecting to the serial port pads on the circuit board. Even if you go through this process, I am not aware of any firmware that provides bidirectional G.INP support and it is not clear the chipset is even capable of bidirectional G.INP with new firmware.
If you are interested in full G.INP support, it's probably best to get a version 3B HG612 with the white PSU from a well known auction site (don't pay much more than around £25), then install the unlocked B030SP08 firmware.
At the moment, Openreach seem to be concentrating their G.INP efforts on Huawei cabinets. G.INP appears to be more difficult to implement on the ECI cabinets owing to the chipset used on the line cards, and I am not aware of any clear plans from Openreach about G.INP on ECI cabinets.
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If you are interested in full G.INP support, it's probably best to get a version 3B HG612 with the white PSU from a well known auction site (don't pay much more than around £25), then install the unlocked B030SP08 firmware.
I would only do this if the OP knows their cabinet is Huawei. If the cabinet is ECI then its likely not yet G.INP enabled.
plusnet unlimited fibre 80/20 product - Installed 2 June 14 - April Sync 57 / 11 with G.INP
16 years UK broadband (Since 1999 ntl:cable trial), Asus RT-AC68U & HG612 - BQM - Speedtest
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If you are interested in full G.INP support, it's probably best to get a version 3B HG612 with the white PSU from a well known auction site (don't pay much more than around £25), then install the unlocked B030SP08 firmware.
I would only do this if the OP knows their cabinet is Huawei. If the cabinet is ECI then its likely not yet G.INP enabled.
I only got the BTOR's ECI modem working with a separate Plusnet's TG-582n Router! As I only been made aware today that there are separate BT's ECI and Hawaii only cabinets, but not mixed and matched inside the cabinet, may exist. Does it imply that I am currently connected to a BTOR ECI cabinet, and consequently buying another Hawaii modem for myself may be just a waste of time and money??
Thanks
Edited by deleted (Sun 24-May-15 16:49:01)
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I only got the BTOR's ECI modem working with a separate Plusnet's TG-582n Router! As I only been made aware today that there are separate BT's ECI and Hawaii only cabinets, but not mixed and matched inside the cabinet, may exist. Does it imply that I am currently connected to a BTOR ECI cabinet, and consequently buying another Hawaii modem for myself may be just a waste of time and money??
There are no guarantees, unless you can find out your cabinet number from the BT wholesale checker and take a photo of the cabinet and others here can confirm.
plusnet unlimited fibre 80/20 product - Installed 2 June 14 - April Sync 57 / 11 with G.INP
16 years UK broadband (Since 1999 ntl:cable trial), Asus RT-AC68U & HG612 - BQM - Speedtest
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No.
You need to put your phone number into the normal BT Wholesale checker and the line above the estimates table will tell you your phone cabinet number.
Then go and find it. The estimated FTTC speeds will give us some idea of its distance from you.
Near to it will be the FTTC cabinet. Compare how that looks with the three on this page. (The two 128s should say 96).
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Would ECI Modem/chipset interworking OK with Hauwaii chipset in BTOR linecards in their FTTC cabinets without problems? Secondary would G.INP a added feature of Hauwaii Chipset only, not for ECI??
I'm still a bit confusing with that as I thought G.INP is part of the upgraded "Internation Standards" and as such should be supprted by both "upgraded" design versions of both ECI and Hauwaii chipsets. But again this G.INP feature could be chipset design versions dependent???
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The B030SP06 version that i use also works with G.inp
Just curious as to why you haven't updated to SP08?
There have been a number of firmware/software improvements since SP06 that you might not be able to take advantage of. e.g. extra DS bitloading tones available (if your connection is capable of using them)
What's the output from xdslcmd info --pbParams with SP06?
It is included within every snapshot Plink log.
This is mine (SP08):-
| Text | 1
23
45
67
89
1011
1213
1415
1617
1819
2021
2223
24 | xdslcmd info --pbParams
xdslcmd: ADSL driver and PHY statusStatus: Showtime
Retrain Reason: 1Last initialization procedure status: 0
Max: Upstream rate = 5055 Kbps, Downstream rate = 21376 KbpsBearer: 0, Upstream rate = 5000 Kbps, Downstream rate = 21432 Kbps
Bearer: 1, Upstream rate = 0 Kbps, Downstream rate = 0 KbpsDiscovery Phase (Initial) Band Plan
US: (7,32) (871,1205) (1972,2782) DS: (33,859) (1216,1961) (2793,3970)
Medley Phase (Final) Band PlanUS: (7,32) (871,1204)
DS: (33,859) (1216,1662) VDSL Port Details Upstream Downstream
Attainable Net Data Rate: 5055 kbps 21376 kbpsActual Aggregate Tx Power: 6.9 dBm 12.5 dBm
========================================================================================= VDSL Band Status U0 U1 U2 U3 U4 D1 D2 D3
Line Attenuation(dB): 8.2 54.5 N/A N/A N/A 21.9 67.0 N/A Signal Attenuation(dB): 8.2 53.9 N/A N/A N/A 30.9 66.8 N/A
SNR Margin(dB): 5.7 6.0 N/A N/A N/A 6.3 6.3 N/A TX Power(dBm): 0.1 5.9 N/A N/A N/A 11.5 5.6 N/A
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I'm 1100m or so from the cabinet, which means attenuation is too high & SNR is too weak to use the higher frequency tones as can be seen from the Medley Phase band plan:-
Medley Phase (Final) Band PlanUS: (7,32) (871,1204)
DS: (33,859) (1216,1662)
Edited by deleted (Mon 25-May-15 09:41:06)
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