PE> BTW, this was for "duplex" operation.  Can someone remind me
PE> what the difference between full duplex and half duplex is?

For modems full duplex means you can send and receive
simultaneously. Half duplex means that you can send or
receive, but not bother at the same time, one or the other.

Its different for other stuff then modems, but
I assume you mean modems because of the context.
@EOT:

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