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Are ping-times directly related to location distance? Suppose I want to determine if an IP is located in my country, without a third-party servvice Could I estimate that to a certain degree by measuring ping times? Or is it better to look at the numb
What is the reason for T568A and T568B termination? There are two types of pinouts for terminating twisted pair cable with a 8P8C (RJ45) connector: But why must one not simply align the wires serially, e g: Green pair - Orange pair - Blue pair - Br
A reason why Ethernet has maximum cable length confuses me Wire Map - Checks for proper pin to pin termination, and for each of the 8 conductors the wire map checks for: Continuity to the far end, Shorts between any two or more conductors, Reversed Pairs, Split Pairs, Transposed Pairs, Any other miswiring
Why are the pins in this RJ45 port not all identical? As shown on the picture below, the pins on these Ethernet ports are not all the same It looks like pin 3, 5, 7 and 8 (or 1, 2, 4 and 6?) are elevated in order to make contact, but not the others
How can 1000BASE-T transmit receive on the same pins? How can 1000 - Base T (Gigabit ethernet twisted copper pairs) technology transmit over the Rx pins receive over the Tx pins? It's baseband technology (hence the name), right? Discrete digital pulses that occupy the entire bandwidth Not broadband analog magic, where you can have multiple signals channels propagate a single pair Why couldn't 10 - Base T (10Mb s) or 100 - Base T (100Mb s) do
ethernet - How does data flow in a twisted-pair cable? - Network . . . Ethernet over twisted pair uses differential signaling There are no absolute voltage levels but the polarity between paired wires is the signal - either pin 3 is positive to pin 6 are vice versa 10BASE-T uses rather simple Manchester line code Each symbol consist of a polarity change between the paired wires: signals a bit and signals a bit