This seems to be more prevalent when theyĪre driving large SUVs and on cell phones.but I digress.) (We'll ignore the fact that I've seen people on phones try to. Two people can't speak and receive 400 words However, the "telephone" example above still 's not bidirectional. For reference, people can speak, conversationally, at about 200 words per minute (and can comprehend the same or higher). The other person will understand and absorb their side of the conversation while continuing to transmit. Two people can not talk continuously and simultaneously with the expectation that Also, calling a telephone truly "full duplex" is a misnomor because the NOT do this - it requires double the bandwidth). Is done by the telco as sort of an assurance that you're being heard (this sort of thing also is why cell phones often do
if you are speaking to a person, you will also hear your OWN voice through your earpiece.which
Knoppix command wipefs full#
Now, a telephone is a FULL DUPLEX device.with some interesting logical exceptions. Only one person can be pressing their PTT button at the same time. Started saying things like "BREAKER", "ROGER", "OVER", "OVER AND OUT". Let's liken this to the old CB radios.where only one person could occupy the airspace at a time. That little light is SO CRUCIAL to your speed that you may never know itīasically, what that little light (and the underlying circuitry) means is "can your network card SEND and RECEIVE at the Most of us have network wires, and see a little light on our network cards, or our routers, that reads "FULL DUPLEX" or Routers, bad network cards, bad power supplies (are we getting the idea here?).all when it was caused by this once simple I've seen people cite viruses, bad cables, bad cable modems, bad And in most cases, it will drive the network admin (or owner) COMPLETELY INSANE trying toįix everything else before one discovers this issue. This is a problem anyone, from the smallest home LAN, to the largest corporate I am writing today about Duplex Mismatch.
On my car than changing the wipers, but I like knowing how a car works. For example, I'm not a mechanic.may never do anything more advanced My friendsĪre WELCOME and ENCOURAGED to read this, and I hope they do, because I'm looking to see:Ī) if I explain things well enough for the layperson to understandī) if there's any glaring errors in my writing/formatting/etcĬ) if any of you non-techs learn something from it. If I ever get my technical personal site set up, this is one of the articles I hope to have there. I am writing this in the event that someone will pick this up on Technorati or something similar.and that maybe it will 11:37 am - Technical Article on Network Duplex and Autonegotiation - 95 percent of my friends will not read th
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