Kitz ADSL Broadband Information
adsl spacer  
Support this site
Home Broadband ISPs Tech Routers Wiki Forum
 
     
   Compare ISP   Rate your ISP
   Glossary   Glossary
 
Please login or register.

Login with username, password and session length
Advanced search  

News:

Pages: [1] 2

Author Topic: More problems with two other modems / lines  (Read 836 times)

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
More problems with two other modems / lines
« on: November 27, 2018, 10:37:57 AM »

I do seem to have angered the ZyXEL and gods. My delight at seeing yet another all time downstream speed record of 3.26 Mbps for the line #1 modem, with all modems over 3 Mbps downstream has offended the dark deities.

The modem #1 has gone into the weird state that I experienced ages ago, where it works, talks to the internet but the admin webserver doesnít work any more. I rebooted it with a reboot command at the CLI and even that did not restore the functioning of the admin web server. So I have asked Mrs Weaver to switch it off and it is being left off for a while.

Meanwhile, this morning, line #4 downstream SNRM zoomed quickly down to -4 dB and it resynched. The d/s noise level has gone up such a lot that when it came back up it had lost just over 550 kbps in d/s sync rate. So the DSL copper gods have been offended too. So that modem is now turned off too, having a long rest as well.
Logged

burakkucat

  • Global Moderator
  • Senior Kitizen
  • *
  • Posts: 24523
  • Over the Rainbow Bridge
    • The ELRepo Project
Re: More problems with two other modems / lines
« Reply #1 on: November 27, 2018, 06:17:20 PM »

 :'(
Logged
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

Please consider making a donation to support the running of this site.

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #2 on: November 27, 2018, 11:36:29 PM »

This morning, the VMG 1312-B10A that was in use on line 4 became really unstable, dropping the link, noise readings reportedly went up, d/s sync speed dropped down to 2Mbps v approx. After leaving it switched off for a long while, turned it back on and things git much worse, resynching often, d/s sync speed then down to ~1.1Mbps. This evening, put a DLink in in place on line 4, service restored, sync rate up to 2.8 / 0.55 Mbps, downstream SNRM 3.4 Mbps. I have not got round to flashing and configuring a replacement B10Aye5, but I have several spares lined up. So an exact repeat performance of what happened a couple of weeks ago with this particular individual B10A. It has been sentenced to death.
Logged

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #3 on: November 29, 2018, 04:29:57 AM »

even though I've swapped out the modem, the replacement modem on line 4 is now (I think) not in sync having lost the connection at 20:22 on wed evening, and it has remained down, never reconnected for some reason. I did a BT copper line test, no problems and I'm stuck now. Next thing is to power-cycle the modem.
Logged

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #4 on: December 06, 2018, 09:17:56 AM »

Engineer came out to line 4 on Monday. Fixed it up on Tuesday morning.

Managed to break line 3 the moment he arrived! Bit of a coincidence that it failed the exact time he turned up. Another engineer coming on Fri to mend line 3 now. Told AA this.

Quote
intermittent DeltaR / Autoprotective PQT test performed at NTE back plate. The test passed with resistance within permissible range for broadband on 04/12/2018.TDR completed. PQT performed at NTE backplate. The test failed on 04/12/2018.No noise, misrouted / crossed lines or left in FTTC jumpers in PCP on the line identified. Fault located in the D side underground network. Base module checks completed. Resolved issue in joint. Network module completed as amber parameters were identified. Engineer checked the pair quality on D-side. D-side underground network upgraded. No change in the broadband Stability / speed / sync, despite improving the PQT parameters. NTE not replaced. Final PQT performed at the NTE back plate. The test passed with amber parameters on 04/12/2018.Final FastTest completed. The test passed on 04/12/2018

I found a reference to Ďdelta-Rí in another Kitz thread. Iím thinking this means resistance measurements made but with two tests, injecting two different voltages ? Is that right? In case too much injected test voltage is providing wetting current for a junction? Test-injected voltage fixing the problem? Iím just guessing.

Itís not true the bit about speed sync stability improved as line 4 is fine now, speed back up to what it should be roughly and it is stable.

Iím trying to remember. I donít think this is the only time OR has come out to fix one line and broken another one :-( No compensation for me and AA for the cost, loss of service and the hassle.
« Last Edit: December 06, 2018, 09:23:26 AM by Weaver »
Logged

burakkucat

  • Global Moderator
  • Senior Kitizen
  • *
  • Posts: 24523
  • Over the Rainbow Bridge
    • The ELRepo Project
Re: More problems with two other modems / lines
« Reply #5 on: December 06, 2018, 04:40:27 PM »

It goes on  :(  and on.   :'(
Logged
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

Please consider making a donation to support the running of this site.

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #6 on: December 06, 2018, 07:28:59 PM »

Spinning plates.
Logged

johnson

  • Reg Member
  • ***
  • Posts: 536
Re: More problems with two other modems / lines
« Reply #7 on: December 06, 2018, 07:40:32 PM »

Crazy. Just highlights the problems with ancient copper... openreach man goes in a cavern or up a poll, wobbles stuff and it breaks. 21st century network!
Logged

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #8 on: December 07, 2018, 05:09:36 AM »

It seems to me that CPs ought to be able to require a physical quality review of an entire group of metallic paths. Not just those belonging to one end-user, but all circuits in a particular run that belong to their end users. And the output of that should be a required re-work and reliability upgrade plan that will radically reduce the number of future faults where applicable. I have thoughts regarding a metric.
Logged

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #9 on: December 07, 2018, 04:51:43 PM »

Todayís visit - wet, corrosion

Quote
Note Please find the engineer notes without check list :- I completed the ring ahead with the end customer and progressed to their premises. End customer advised there is a broadband issue. I have resolved the fault located at the D-side including aerial cables / lead-in / block terminal. The fault was located outside the end customer's curtilage and shown by damp / corrosion to wire / cable. The fault was fixed by clearing in joint. No additional work was carried out on the end customer's wiring / equipment beyond the NTE at their request and within TRC banding. Engineer has not visited end customer premises. I performed final Fast Test from the customer premise. Engineer notes with check list :- 07/12/2018 13:52:00 ===Point Of Intervention notes=== Between this point... - Location: 80ms below cattle grid - Work Point: JB23 At this point... Plant details... - Plant affected: JNT100 - Plant type: UCJ Multiple Intervention?: Y ===Point Of Intervention notes ends=== (No manually entered closure notes) ===QBC Summary Start===I completed the ring ahead with the end customer and progressed to their premises. End customer advised there is a broadband issue. I have resolved the fault located at the D-side including aerial cables / lead-in / block terminal. The fault was located outside the end customer's curtilage and shown by damp / corrosion to wire / cable. The fault was fixed by clearing in joint. No additional work was carried out on the end customer's wiring / equipment beyond the NTE at their request and within TRC banding. Engineer has not visited end customer premises. I performed final Fast Test from the customer premise. The test passed on 07/12/2018 13:45:16.===QBC Summary End===

Can / should something be done to keep the wet and salt out?
Logged

burakkucat

  • Global Moderator
  • Senior Kitizen
  • *
  • Posts: 24523
  • Over the Rainbow Bridge
    • The ELRepo Project
Re: More problems with two other modems / lines
« Reply #10 on: December 07, 2018, 05:27:40 PM »

In theory, the clip-type joint closure should be watertight. They often spend a lot of time submerged in murky, stagnant, water within a footway or roadway joint box/chamber.

Without actually seeing what the technician saw it is difficult to say anything more. 
« Last Edit: December 07, 2018, 06:23:53 PM by burakkucat »
Logged
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

Please consider making a donation to support the running of this site.

burakkucat

  • Global Moderator
  • Senior Kitizen
  • *
  • Posts: 24523
  • Over the Rainbow Bridge
    • The ELRepo Project
Re: More problems with two other modems / lines
« Reply #11 on: December 07, 2018, 05:36:31 PM »

By taking a copy of the above quotation block and formatting it locally, by liberally inserting <New Line> characters, we can now see --

Note Please find the engineer notes without check list :-

I completed the ring ahead with the end customer and progressed to their premises.
End customer advised there is a broadband issue.
I have resolved the fault located at the D-side including aerial cables / lead-in / block terminal.
The fault was located outside the end customer's curtilage and shown by damp / corrosion to wire / cable.
The fault was fixed by clearing in joint.
No additional work was carried out on the end customer's wiring / equipment beyond the NTE at their request and within TRC banding.
Engineer has not visited end customer premises.
I performed final Fast Test from the customer premise.

Engineer notes with check list :-

07/12/2018 13:52:00
===Point Of Intervention notes===
Between this point... - Location: 80ms below cattle grid - Work Point: JB23
At this point...
Plant details... - Plant affected: JNT100 - Plant type: UCJ Multiple Intervention?: Y
===Point Of Intervention notes ends===
(No manually entered closure notes)
===QBC Summary Start===
I completed the ring ahead with the end customer and progressed to their premises.
End customer advised there is a broadband issue.
I have resolved the fault located at the D-side including aerial cables / lead-in / block terminal.
The fault was located outside the end customer's curtilage and shown by damp / corrosion to wire / cable.
The fault was fixed by clearing in joint.
No additional work was carried out on the end customer's wiring / equipment beyond the NTE at their request and within TRC banding.
Engineer has not visited end customer premises.
I performed final Fast Test from the customer premise.
The test passed on 07/12/2018 13:45:16.
===QBC Summary End===
Logged
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

Please consider making a donation to support the running of this site.

burakkucat

  • Global Moderator
  • Senior Kitizen
  • *
  • Posts: 24523
  • Over the Rainbow Bridge
    • The ELRepo Project
Re: More problems with two other modems / lines
« Reply #12 on: December 07, 2018, 05:51:32 PM »

We really need the services of Black Sheep, liquorice or 4c to translate the above.

My attempts --

Work Point: JB23 . . . . . . . . . . . . Joint Box 23 ?
Plant affected: JNT100 . . . . . . I suspect that is a reference to a 100 pair cable.
Plant type: UCJ . . . . . . . . . . . . . Universal Clip Joint ?
« Last Edit: December 07, 2018, 06:24:52 PM by burakkucat »
Logged
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

Please consider making a donation to support the running of this site.

Weaver

  • Addicted Kitizen
  • *****
  • Posts: 6557
  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Re: More problems with two other modems / lines
« Reply #13 on: December 08, 2018, 08:19:27 PM »

Is Jb23 a part code? Or a location?
Logged

burakkucat

  • Global Moderator
  • Senior Kitizen
  • *
  • Posts: 24523
  • Over the Rainbow Bridge
    • The ELRepo Project
Re: More problems with two other modems / lines
« Reply #14 on: December 08, 2018, 08:55:07 PM »

I'm uncertain as to its precise meaning.  :-\

Working from the notes (and knowing your location & environment well (with the help of Google's Street View)) . . .

Quote
Location: 80ms below cattle grid - Work Point: JB23

Taking the "80ms" to be "80 metres" (not 80 milliseconds) and "below cattle grid" to be "beyond the cattle grid, downhill towards the village", then that puts "Work Point: JB23" to be at the foot of the carrier pole from which your four aerial feeds emanate.

Probably that point is marked in the network records as "JB23".
Logged
:cat:  100% Linux and, previously, Unix. Co-founder of the ELRepo Project.

Please consider making a donation to support the running of this site.
Pages: [1] 2