[time-nuts] ``direct'' RS-232 vs. RS-232 via USB vs. PPS decoding cards
Ruslan Nabioullin
rnabioullin at gmail.com
Mon Feb 13 16:07:49 UTC 2017
Hi, generally speaking, what are the performance differences between the
following: 1. direct RS-232 (i.e., what I believe is a standard PCI card
offering RS-232---essentially UARTs interfaced more-or-less directly to
the PCI bus); 2. RS-232 via USB; 3. PPS decoding PCI cards (which might
also have an IRIG input or even an onboard GNSS receiver).
Thanks in advance,
Ruslan
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