13 Nov
2019
13 Nov
'19
6:13 p.m.
Not much in the manual.? I browsed it looking for anything about data
bits and stop bits. Nothing.
p1-2: ' Commands given to the Smartmodem must be ASCII coded at baud
rates between 110 baud and 1200 baud. Once 'on-line', any code at any
speed from 0 to 300 baud may be used.'
p 9-1 'Do not send any data to the Smartmodem while it is in local
command mode unless the data is intended to be a command. Random data
can confuse the baud rate detector and the command decoder giving
unpredicatable results.'
That is al lI can find i nthe manual.
cheers,
Nigel
On 13/11/2019 12:39, Jim Brain via cctalk wrote:
On 11/13/2019 5:31 AM, Nigel Johnson via cctalk
wrote:
--
Nigel Johnson
MSc., MIEEE
VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
You can reach me by voice on Skype: TILBURY2591
If time travel ever will be possible, it already is. Ask me again yesterday
This e-mail is not and cannot, by its nature, be confidential. En route from me to you, it
will pass across the public Internet, easily readable by any number of system
administrators along the way.
Nigel Johnson <nw.johnson at ieee.org>
Please consider the environment when deciding if you really need to print this message
I actually have an original Hayes 300 modem.
Would it be any use if I
could set it up for a a test, or would it need another genuine Hayes
one to talk to for what you need?
I looked at the SmartModem 300.? It looks like it completely detected
the speed and parity internal to the unit.? If you have a manual or a
link ot one to validate, I think that would suffice. If it did do
that, then it would have reconfigured itself to match the terminal and
thus all communication would be in the same format (8N1, 7E1, etc).
I did a quick check for an online manual, but my Google-fu is weak today.
Jim