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Author Topic: AC Balance On A Twisted Pair.  (Read 1681 times)

tickmike

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AC Balance On A Twisted Pair.
« on: July 15, 2016, 01:35:37 PM »

AC Balance On A Twisted Pair.
Edit..Just to make it clear this is on a BT cable.
Can some explain about the effect noise rejection on a twisted pair if;
1 .. If the cable was damaged but not cut in two.?
2.. If the cable was stretched ?.
3.. If it was squashed flat.
« Last Edit: July 16, 2016, 12:07:16 AM by tickmike »
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I have a set of 6 fixed IP's From  Eclipse  isp.BT ADSL2(G992.3) line>HG612 as a Modem, Bridge, WAN Not Bound to LAN1 or 2 + Also have FTTP (G.984) No One isp Fixed IP >Dual WAN pfSense (Hardware Firewall and routing).> Two WAN's, Ethernet LAN, DMZ LAN, Zyxel GS1100-24 Switch.

JGO

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Re: AC Balance On A Twisted Pair.
« Reply #1 on: July 15, 2016, 03:55:14 PM »

Quick answer is WORSE.

How much worse depends on so many things so the only advice is don't damage it. I heard of a case where someone was making measurements of interference rejection and a half twist extra made 30dB difference. -
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tickmike

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Re: AC Balance On A Twisted Pair.
« Reply #2 on: July 16, 2016, 12:08:04 AM »

Just to make it clear this is on a BT cable.
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I have a set of 6 fixed IP's From  Eclipse  isp.BT ADSL2(G992.3) line>HG612 as a Modem, Bridge, WAN Not Bound to LAN1 or 2 + Also have FTTP (G.984) No One isp Fixed IP >Dual WAN pfSense (Hardware Firewall and routing).> Two WAN's, Ethernet LAN, DMZ LAN, Zyxel GS1100-24 Switch.
 

anything