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Author Topic: VDSL CAT6 Extension: Confused  (Read 1081 times)

mdesai

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Re: VDSL CAT6 Extension: Confused
« Reply #15 on: October 30, 2020, 05:25:42 PM »

ok thanks
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j0hn

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Re: VDSL CAT6 Extension: Confused
« Reply #16 on: October 30, 2020, 05:54:04 PM »

It's a rounded enough figure.
39,999 and 39,997 are essentially the same.

In this case it's 32,399/32,397.

32.4Mb is 1 of the banded levels often used by OpenReach.
The high SNRM confirms the line is banded/capped.

This is due to too many resyncs while swapping modems.
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BT FTTP 160/30 - BQM - speed test

mdesai

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Re: VDSL CAT6 Extension: Confused
« Reply #17 on: November 01, 2020, 08:13:37 PM »

The quality control on the NTE5C and VDSL Mk4 SSFP combination seems to be quite poor. Some do clip on properly, some fit ridiculously tightly (like Alex Atkin's) and some just come off without touching the clips (like yours and also mine). What you can do to improve this, with the faceplate off, is gently warm the clips that go into the master socket using your hands then gently and repeatedly bend them outwards. I did this to mine and it is now much better and doesn't fall off all the time.

This tip is an essential for the MK4 SSFP plate. Completely fixed it! Can now hear a audible click when replacing it. Really made it solid. Almost as solid as screws. Takes a lot of effort to remove. Only now removes when you want it to by pinching both sides. Thanks for the tip  ;D
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mdesai

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Re: VDSL CAT6 Extension: Confused
« Reply #18 on: November 20, 2020, 05:18:53 PM »

Hi

I believe DLM has made some changes to my line. The speed is still capped at 32.4. Upload has gone up. Most important ping has decreased by half

Just wanted to check these are positive changes being made by comparing stats

Code: [Select]
Stats recorded 16 Nov 2020 00:33:40

DSLAM type / SW version: IFTN:0xd086 (208.134) / v0xd086
Modem/router firmware:  AnnexA version - A2pv6C038m.d24j
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  9 days 5 hours 22 min 35 sec
Resyncs:                0 (since 15 Nov 2020 16:32:36)

Downstream Upstream
Line attenuation (dB):  24.4 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 32400 5866
SNR margin (dB):        6.4 6.0
Power (dBm):            11.4 4.3
Interleave depth:        1375 125
INP:                    8.00 4.00
G.INP:                  Not enabled Not enabled
Vectoring status:        5 (VECT_UNCONFIGURED)

RSCorr/RS (%):          14.7901 7.8387
RSUnCorr/RS (%):        0.0304 0.0000
ES/hour:                0 0

Code: [Select]
Stats recorded 19 Nov 2020 01:13:38

DSLAM type / SW version: IFTN:0xd086 (208.134) / v0xd086
Modem/router firmware:  AnnexA version - A2pv6C038m.d24j
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  2 days 23 hours 4 min 42 sec
Resyncs:                0 (since 18 Nov 2020 21:30:53)

Downstream Upstream
Line attenuation (dB):  24.3 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 32400 7408
SNR margin (dB):        6.2 6.0
Power (dBm):            11.4 4.6
Interleave depth:        1375 1
INP:                    8.00 0
G.INP:                  Not enabled Not enabled
Vectoring status:        5 (VECT_UNCONFIGURED)

RSCorr/RS (%):          124.0064 0.3410
RSUnCorr/RS (%):        0.2632 0.0000
ES/hour:                0.81 9.73

Code: [Select]
Stats recorded 20 Nov 2020 17:15:38

DSLAM type / SW version: IFTN:0xd086 (208.134) / v0xd086
Modem/router firmware:  AnnexA version - A2pv6C038m.d24j
DSL mode:                VDSL2 Profile 17a
Status:                  Showtime
Uptime:                  16 hours 33 min 42 sec
Resyncs:                0 (since 20 Nov 2020 10:45:35)

Downstream Upstream
Line attenuation (dB):  24.3 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 32400 7447
SNR margin (dB):        6.7 6.1
Power (dBm):            11.4 4.7
Interleave depth:        1039 1
INP:                    3.50 0
G.INP:                  Not enabled Not enabled
Vectoring status:        5 (VECT_UNCONFIGURED)

RSCorr/RS (%):          0.2200 0.0102
RSUnCorr/RS (%):        0.0015 0.0000
ES/hour:                21.9 12.6

Thanks
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neil

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Re: VDSL CAT6 Extension: Confused
« Reply #19 on: November 26, 2020, 08:29:05 PM »

Welcome to the kitz forum.  :)

The effect is understandable and I can confirm that there is no fault. As you have extended the data port to the extension socket, the original data socket at the SSFP must not be used. When tested at the SSFP socket, the data extension wiring will appear as a bridging tap across the pair --  with the end result that you have observed.

wow 😲
what about telephone side? I have 2 phones and one is connected next to filter and other i think is 15-20 meters away but both are connected after the filter
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burakkucat

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Re: VDSL CAT6 Extension: Confused
« Reply #20 on: November 26, 2020, 10:23:48 PM »

what about telephone side? I have 2 phones and one is connected next to filter and other i think is 15-20 meters away but both are connected after the filter

There will be a low-pass filter that provides the audio signal for the telephony side. The presence of that low-pass filter makes the telephony connections "invisible" to the higher, radio, frequencies of the xDSL circuit. Hence no bridging tap and no problem.  :)
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