Same answer YES [same colour for one of the conductors of all pairs]
None standard ethernet trace wires ??
- Thread starter lucky1313
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Fair enough - as I said, I've never seen that. Other than 'manufacturing convenience', is there any reason why they'd do that with a cable that only had one 'set' of (3 or 4) pairs?
Kind Regards, John
Yes
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I've used cable like that in the past, the supplier asked me if I'd accept it and offered a discount - I think they'd had a lot of returns for that batch. Needs a bit more care in termination because, as pointed out, if you lose track of which white is which then things get a bit harder. Back then I was getting through quite a bit - I would have 8off 500m drums on a stand at a time, about the limit of what I could pull at once.
Now, when things do get hard is when some **** has chopped a 20 core (with plain colours) with barely a couple of inches sticking out of the wall (so you can't just strip it back far enough to get "pairs") and the customer is relying on you to get the phones back on again
Now, when things do get hard is when some **** has chopped a 20 core (with plain colours) with barely a couple of inches sticking out of the wall (so you can't just strip it back far enough to get "pairs") and the customer is relying on you to get the phones back on again
or the BMW driver has taken out a street cabinet with over a 100 pairs sheared off almost at ground level.......
About 5 years ago, some 'work' (I don't know what, or whether it was due to trauma) on the telephone cable or cabinets in our village resulted in most houses in the village being connected to the wrong line for a few days until the mess was sorted out.
There was serious confusion and chaos for the first few hours, not helped by the fact that BT seemed not to understand the reports they were receiving, and were 'calling people back' using numbers which put them in communication with someone different
Kind Regards, John
BAS, I assume that's a photo in a largish telephone exchange with what looks like a good few thousand blue/white or blue/yellow pairs ?
BTW, one of the tricks I learned from one of the telecom engineers I dealt with for dealing with the "can't strip it back very far" situations, especially with solid colour wires, is to :
The alternative is to access the other end and do a lot of time-consuming toning.
BTW, one of the tricks I learned from one of the telecom engineers I dealt with for dealing with the "can't strip it back very far" situations, especially with solid colour wires, is to :
- Strip back as far as you can/need to but don't allow the cores to spread out
- Grasp the bundle at the end
- Push gently so they start to bow out
- You should then be able to identify pairs, carefully pick them off the outside of the bundle one at a time (and twist them to keep the pairing)
The alternative is to access the other end and do a lot of time-consuming toning.
I would have thought they'd pull out the cable and replace it in a situation like that - otherwise they'd have an awkward bunch of splices in the bottom of the cabinet.
I recall that a few priority subs and the village phonebox were reconnected to the cable within hours and a new cable installed a few days later.
Bowing out a cable was a neat way to get the pairs sorted.
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I have an RS 50 core tester somewhere in my junk boxes for testing cables like that, you put them all into push terminals on one end then the other end a tester tells you what number it is.
I stopped using that many many years ago when ethernet took over from serial data cables.
Some of the cables I used were 50 white cores.
I stopped using that many many years ago when ethernet took over from serial data cables.
Some of the cables I used were 50 white cores.
I'm not sure in what sense that is meant to be an example of "most disastrous cable messes". What else do they think one can/should do with a very large number of cables? ... and, as for "mess", they clearly haven't lived
Kind Regards, John
Indeed - that particular one is pretty neat.
Some of the others though....
Some of the others though....
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