Re: cable

[shack@onyx.southwind.net (Randy Shackelford)]

David Empson (dempson@atlantis.actrix.gen.nz) wrote:

: > I can transfer data at 19.2 just fine but when I go higher than that
: > it always gets a quit a few errors.  I use Proterm 3.1 for my
: > commuting and it always loses a few blocks from the modem to the
: > computer.  Would there be something in my system program that it
: > doesn't like to run with.  Here are the slots that I use
: > slot1  Appletalk

: Bingo.  Any time a packet is sent or received over AppleTalk, there
: will be a long delay in processing interrupts from other sources.
: This would cause character loss at high speeds (especially higher than
: 19200).

So that's why my Courier V.34 DS loses so many chars > 19200. I use a Courier
2400e running at 9600 normally on my IIgs.

: If the network is sitting idle (e.g. you only have IIgses and printers
: connected) then very little data will be sent over it, and modem comms
: should go reasonably OK at 19200.  I have a very similar setup to you
: (I'm using Spectrum), and I can't get reliable file transfers going
: at port speeds faster than 19200 bps.  I have an idle AppleTalk network.

: If the network is in use (especially if there are any file servers),
: you may find that characters are lost at 19200 - you may be forced to
: use 9600.

My Quadra loses a few chars at 57600 when I try to copy files to/from it.
-- 
Randy Shackelford                                 I was internet
shack@southwind.net                               when internet wasn't cool