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Junior Varsity
Behringer P16 versus Aviom
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<blockquote data-quote="Scott Bolt" data-source="post: 97450" data-attributes="member: 3950"><p>Re: Behringer P16 versus Aviom</p><p></p><p></p><p></p><p>It doesn't matter. You are correct.</p><p></p><p>The only time it DOES matter is when you are putting ends on the Ethernet cable yourself. Then you need to know which way the other side is wired.</p><p></p><p>What does matter is that the wires are twisted pair, although not exactly for the reasons Tim described. All ethernet cables are twisted pairs, although there are differing specs regarding the packaging, shielding and wire type used that differentiate them.</p><p></p><p>Twisted pair cable is used because on the receiving end, each wire goes into the (+) and (-) inputs of a differential operational amplifier. If noise is picked up on either wire, it is inductively picked up on the other wire as well. Since the output of the op amp is the difference between the two wire voltages, any noise is then simply subtracted out leaving only the original signal. Signals are transmitted on twisted pair by raising the voltage on one line while lowering the voltage on the other. At the other end the difference is read as a high signal or a "1" in digital terms.</p></blockquote><p></p>
[QUOTE="Scott Bolt, post: 97450, member: 3950"] Re: Behringer P16 versus Aviom It doesn't matter. You are correct. The only time it DOES matter is when you are putting ends on the Ethernet cable yourself. Then you need to know which way the other side is wired. What does matter is that the wires are twisted pair, although not exactly for the reasons Tim described. All ethernet cables are twisted pairs, although there are differing specs regarding the packaging, shielding and wire type used that differentiate them. Twisted pair cable is used because on the receiving end, each wire goes into the (+) and (-) inputs of a differential operational amplifier. If noise is picked up on either wire, it is inductively picked up on the other wire as well. Since the output of the op amp is the difference between the two wire voltages, any noise is then simply subtracted out leaving only the original signal. Signals are transmitted on twisted pair by raising the voltage on one line while lowering the voltage on the other. At the other end the difference is read as a high signal or a "1" in digital terms. [/QUOTE]
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