How can I tell if have my new modem working at maximum performance?
I just installed a Supra 56K v90 modem. Genesis does not have a unique
configuration file for this modem. Most of the configuration files are 14.4
or 28 and v32 or v40. What settings should I place in the serial.device to
maximize performance or match the genesis configuration?
Within genesis one may use voyager or observe data transfer rates. This is a
case where I can get confused.
bps or bits per second is easy. I am assuming that a 56k modem transmits 56k
bps.
Baud rate comes from the same guy that created baudot codes - 5 bits to
define a character. Baud rate and bps are close enough below 1200 bps that
it doesn't matter much if one is confused. (Baud rate was used to help
define the information transfer rate - much like character rates)
Bytes are typically 8 bits.
ASCII characters ate 7 bits and extended ASCII are 8 bits.
In transfers, Voyager displays X characters per second. How many bits are in
a character?
So if one has a 56Kbs modem, would it be reasonable to see 56Kbps/7bits per
character = 8000 character per second?
With error correcting coding or a noise channel it would be less than 8K
maybe around 7K?
So what ARE the units bits, bytes, or baud that are set in the serial
device?
How does the Genesis software take advantage of a 56K modem and V90 thing?
If it doesn't, are the advantages transparent to the user, or is there some
software or configuration I can avail myself to?
Thanx in advance.
R,
Todd
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