>> RS232 interfacing made easy.
>>
>> What you need:
>> --------------
>>                 1. MAX232 / MAX233
>
>Anyone know of a solution like this that allows you to tri-state the RS232
>outputs?  (The +/-12V side - NOT the TTL side.)
>
>--
>            -- Paul Greenwood --  (pablo@austin.ibm.com)
>For an idea to be fashionable is ominous, since it must afterwards be
>always old-fashioned.
>
>"His super power is to turn into a scotch terrier."


I'm no expert but I might try using a diode to turn the RS232 Level to
pullup only and use a terminating resistor to pull the line low at the end
of your chain of devices.

Doug Sellner
Beach Tech
4131 Vincent Avenue South
Minneapolis MN 55410

Voice (612) 924-9193 x 521
Fax   (612) 926-1145

Internet: dsellner@embay.com