when i load the serial object's help patch in max and send the message print to the serial object, the max window shows;
port a: modem
port b: IrDA-IrCOMMch-b
port c: USA19191P1.1
status: port modem IrDA-IrCOMMch-b USA19191P1.1

OK, that's good, you need to use port c

i set the serial object to [serial c 2400]

Oeps, should be 38400

and send the message [65 84 13]

setting the serial object's port to the serial port name - like [serial USA19191P1.1 2400] - does not make a difference.
a few days ago i upgraded from max/msp 4.3 where the same resulted in a failed-to-read error message, so this seems a slight improvement. though i would prefer it if it would work over the serial port.

my problem is that i'm developing on my mac, but the final patch will have to run on a pc where the lanbox will be connected to com1

--
Fokko van Duin,                     Creators of the LanBox-LC
CDS advanced technology bv,         DMX lighting controller.
http://www.cds.nl/                  http://www.lanbox.com/

• [LCtalk] serial object & lanbox control using keyspan adapter, rene beekman
  • (- current message -), Fokko van Duin
    • Re: [LCtalk] serial object & lanbox control using keyspan adapter, rene beekman
      • Re: [LCtalk] serial object & lanbox control using keyspan adapter, Fokko van Duin
    • Re: [LCtalk] serial object & lanbox control using keyspan adapter, rene beekman