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Results tagged with ethernet
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user 261837
Questions about the electrical implementation of Ethernet; ask another Stack Exchange for software or protocol questions. Specify the speed as 10/100BASE-T is somewhat different from 1000BASE-T, apart form the speed. Those are copper standards; Ethernet over fiber optical cable is also defined.
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Trying to calculate power dissipation in Ethernet Isolation Transformer
I have a 10/100Base TX interface with a 100B-1003X isolation transformer attached. I am trying to calculate the power that gets dissipated by the transformer itself. The only thing I see on the datash …
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DE-9 Connector for 100BaseTX Ethernet - How to assign pinout?
I need to use a DE-9 connector for my Ethernet Interface (RGMII 100Base-TX) which has two pairs of differential signals TX and RX. I have attached the pinout for the DE-9 connector below. …
- 215
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Connection Ethernet MACs without using a PHY device
I am designing a board that utilizes an NXP LS1046a processor and multiple Kintex Ultrascale FPGAs. The plan is to connect the processors up to the three FPGAs via the 1Gbe links.
Since they are all o …
- 215
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How to connect Ethernet Magnetic/RJ45
I am connecting up my PHY to an RJ45 with magnetics and was wondering what I do with some pins on it.
Here is the circuit for the Rj45 w/ magnetics.
My questions are:
do I connect pin 10 to the chass …
- 215
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Measuring Ethernet Waveform on a scope
It is a 100MBps Ethernet signal and I am measuring the TX+ and Tx- signals between the magnetics and RJ45 connector. … I see what looks like a double waveform (expected only 1), but do see this waveform show up sometimes when I google ethernet waveform
Couple of questions.
is this double waveform ok? …
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