rts/cts on 3b2 tty ports

[Phil Ngai]

In article <388 at gitpyr.UUCP> robert at gitpyr.UUCP (Robert Viduya) writes:
>
>We just got a few 3B2s donated from AT&T and I'm trying to get the tty ports
>to talk to an Ungermann-Bass network using hardware flow-control.  The network
>implements hardware flow-control using the standard EIA-RS232 lines RTS and CTS
>in a non-standard way (the standard allows only one way flow-control; the UB
>equipment needs two way flow-control).  Basically, RTS is used to control the
>data flow from the network box to the terminal (or 3B2, in this case).  CTS is
>used to control data flow from the terminal (3B2) to the network box.  The two
>lines are independent of each other (deviating from the RS232 standard).

That's gross. You should use XON/XOFF for flow control.
-- 
 I speak for myself and no one else.

 Phil Ngai (408) 749-5720
 UUCP: {ucbvax,decwrl,ihnp4,allegra}!amdcad!phil
 ARPA: amdcad!phil at decwrl.ARPA