Hi Paul,

[Thus spake Paul Wankadia unto Sunny Leung:]
 
 SL> Is it normal, when using the Courier to upload files, to have the CS
 PW> Out of curiosity (which is why I replied) - what is the CS light for?
 SL> Clear to Send i.e. CTS.
 PW> 
 PW> Hmmm...  I don't know...  CTS usually (I think) indicates that the
 PW> modem is ready and waiting for the COM port to send more info...  In

You've just described what CTS is about.

 PW> that case, your modem is handling the Tx data fine...

I know the Courier is working fine. 3250+ bps when uploading has gotta
be fine :-)
 
 SL> Well, I was unclear on my hardware flow control RTS/CTS at that time :-)
 SL> BTW, RS = RTS.

 PW> RTS indicates that the COM port wants to send data...  Usually CTS
 PW> would be low at that time...  Both RTS and CTS (I think) should be high
 PW> for data to be sent...

Well, on my Courier using hardware flow control (RTS/CTS), RTS is always
on while SD (send data) and CTS flash simultaneously during uploads.
 
 SL> ... "I'm a lawyer."  "Honest?"  "No, the
usual kind."

 PW> 

Well, you have to able to laugh at your own prospective profession or
you would never have any fun in life .

Sunny

... Oxymoron: Police Culture
--- GEcho 1.11+