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Author Topic: Possible FTTC issues with an alarm  (Read 4502 times)

Deathstar

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Re: Possible FTTC issues with an alarm
« Reply #15 on: October 29, 2017, 04:40:18 PM »

I would have thought contention would have no effect on cable attenuation.
The measured attenuation is calculated based on the physical reasons, power, resistance etc.
Contention is going to be based on the available bandwidth at any given time.

Could you have over stressed the cables when you were re-terminating them? We know the cables are of an extremely small cross section, so there is a potential that by bending the cable you could have created a week point, and a small increase in resistance?

Just a thought.

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ejs

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Re: Possible FTTC issues with an alarm
« Reply #16 on: October 29, 2017, 05:21:08 PM »

I think it will depend on what frequencies the attenuation figure is calculated over. If it's calculated based on the frequencies in use, and the improvement to the wiring has allowed higher frequencies to be used, then it would be expected for both the bandwidth and attenuation to increase, with the increase in attenuation not indicating any problem.
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Black Sheep

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Re: Possible FTTC issues with an alarm
« Reply #17 on: October 29, 2017, 06:24:15 PM »

I would have thought contention would have no effect on cable attenuation.

Sent from my SM-G930F using Tapatalk

I never said that contention effects attenuation.
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Deathstar

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Re: Possible FTTC issues with an alarm
« Reply #18 on: October 29, 2017, 06:46:02 PM »

I never said that contention effects attenuation.
Possible misread as I was in the pub

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Black Sheep

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Re: Possible FTTC issues with an alarm
« Reply #19 on: October 29, 2017, 07:43:31 PM »

Best place to be. Just got back myself.  :)
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