Products > Test Equipment
Test Equipment Anonymous (TEA) group therapy thread
tautech:
--- Quote from: vk6zgo on July 09, 2022, 02:18:11 am ---
--- Quote from: 25 CPS on July 09, 2022, 01:54:36 am ---
--- Quote from: Cerebus on July 08, 2022, 11:20:53 pm ---The truly worrying thing about the Rogers meltdown is if there is anyone competent at Rogers and they were listened to it would not be possible for all of the infrastructure of a telco, encompassing Internet, voice, private data and so on to collapse together.
The only way this can happen is by creating a single point of failure for a collection of systems that, if built organically, or haphazardly, or even randomly, would not naturally have a single point of failure. You have to really go out of your way, and be monumentally stupid, to create a scenario where this is possible.
My whole life in the ISP/telco world was about building in as much fail-safe, redundancy, and generally avoiding "house of cards" scenarios as ingenuity and budgets would stretch to. i.e. the exact opposite to what Rogers must have done.
I've presided over some nasty outages in my time, but the longest one I can recall that affected multiple customers simultaneously was about 4 hours, and was restricted to just one area, perhaps one Internet PoP, or a set of International voice routes, etc. etc. I never had a whole network fuck up that took out all services and the worst, as in largest number of customers affected, would have BGP related, taken 15-30 minutes to fix and perhaps two hours for everything to settle back to normal.
Incredible, truly incredible.
There's been a trend recently for larger and larger service providers to somehow manage to cause whole network crashes which affect millions of direct and indirect customers. That's worrying in itself, but no one seems to have managed to fuck up as comprehensively as Rogers appear to have.
--- End quote ---
The Canadian telecommunications industry has always been very well protected and lacks competition, meaningful regulation, and a whole raft of other complaints. Rogers and Bell aren’t just telecommunications companies, they’re also giant media conglomerates here. Basically, they’re representatives of several over-consolidated industries. Another example, look at the key players behind Maple Leaf Sports and Entertainment. See any names you recognize? The bottom line is, they’re well protected, have no meaningful competition or oversight, and they operate the way they do because they can.
--- End quote ---
Competition in Telecommunications is pretty much fake anyway.
The telecomms "backbones" are usually owned by one or two large organisations, with many of the so-called "Telcos" being basically
sellers of phones & similar stuff, & resellers of the services provided by the majors.
It is really the only practical way of doing things with the current obsession with private ownership of public utilities.
The other day, we had a loss of internet services from our provider.
Just out of interest, I had a look on my Telstra connected cellphone to see if I could carry on looking at this forum.
Nope!
Later, the Internet provider reported that there had been a loss of Optus connectivity, so they had no Internet service to provide.
OK, but wait, Telstra is the rival of Optus, & they both are connected to the National Broadband Network (NBN), so surely it would have been a NBN problem?
The other possibility is that not only my Internet provider, but Telstra's cellphone service obtain Internet material from Optus.
Which all goes back to "fake competition"!
--- End quote ---
Not so much.
Instead the tired lazy bastards don't understand the principles of 100% uptime redundancy and won't invest in it and if truth be known gubbermints that are charged with running the climate for the telcos to operate in are too damn stupid or taking too many backhanders to ensure they provide a mission critical service for their populations.
Remember, emergency calls get routed through whatever cell provider you have access to so with one major supplier down the emergency services coms system is significantly compromised but as a result will you see some hard questions get asked by gubbermints, not bloody likely. :horse:
cyclin_al:
--- Quote from: mnementh on July 08, 2022, 03:55:50 pm ---That would've taken the entire dwagon household down when we were up there; ISP and mobiles. Might have been able to make phone calls roaming on BELL but not likely, especially if there were network congestion, which of course there would be.
mnem
--- End quote ---
It has been a crazy day! Some of the Bell DC stuff was down too ... how can that be when those companies are competitors?
A lot of bank debit card and Mastercard credit card processing systems were down too.
Teams was down too (good thing Vince is not here today), so the only thing to do at work was to use the cell phone (as long as it was Bell).
Most importantly, I could not contact a buddy, so missed out on a MTB in the evening after work.
TERRA Operative:
Anyone know where I can get a shrouded male panel-mount banana jack?
Got an electrical tester to fix (It tests earth leakage breakers, and another Japan specific leakage device) and it uses these connectors but the manufacturer doesn't make this model anymore and has no parts....
I was thinking of 3D printing, but this is mains voltages (up to 415V) and it's thin plastic..
The other option is to convert it to female panel jacks and shrouded plugs on the cables, but then it's not original. (I'll have to check for the needed clearance behind the panel too).
See images below, I need to replace all the connectors on the left side.
ch_scr:
--- Quote from: TERRA Operative on July 09, 2022, 04:41:30 am ---Anyone know where I can get a shrouded male panel-mount banana jack?
Got an electrical tester to fix (It tests earth leakage breakers, and another Japan specific leakage device) and it uses these connectors but the manufacturer doesn't make this model anymore and has no parts....
I was thinking of 3D printing, but this is mains voltages (up to 415V) and it's thin plastic..
The other option is to convert it to female panel jacks and shrouded plugs on the cables, but then it's not original. (I'll have to check for the needed clearance behind the panel too).
See images below, I need to replace all the connectors on the left side.
--- End quote ---
Supposing there is not enough clearance behind the panel, the safest option would be to print a combined holder for panel mount female jacks. The 3d printed part could be thick-walled and isolation would be provided by the plastic of the jacks. I guess they did it like this, because shrouded male connectors (as are standard on decent modern multimeters) were not readily available? You'll have to upgrade the leads to said type as well, but that should make a decent looking, safe and robust solution IMHO.
tautech:
--- Quote from: TERRA Operative on July 09, 2022, 04:41:30 am ---Anyone know where I can get a shrouded male panel-mount banana jack?
Got an electrical tester to fix (It tests earth leakage breakers, and another Japan specific leakage device) and it uses these connectors but the manufacturer doesn't make this model anymore and has no parts....
I was thinking of 3D printing, but this is mains voltages (up to 415V) and it's thin plastic..
The other option is to convert it to female panel jacks and shrouded plugs on the cables, but then it's not original. (I'll have to check for the needed clearance behind the panel too).
See images below, I need to replace all the connectors on the left side.
--- End quote ---
Whaddabout M-F banana leads and leave them in place ?
https://www.amazon.com/Extension-Connector-Silicone-Multimeter-Adapter/dp/B07NWZ71GH
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