are both system tru64? Why not setup a SLIP connection in tru64 (man slattach and man SLIP) on both sides. Then you open a port directly to the other machine, just like it was connected to the network, except...the main network of the tru64 machine can not access this SLIP connection.
George >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] Behalf Of Dana Baron >Sent: Tuesday, March 01, 2005 2:28 PM >To: [email protected] >Subject: RE: [U2] [UD] LINE.ATT for attaching serial line > > >George Gallen wrote: >> what is on the other side of the tty port? a modem or >device? If a modem, >what >> is on the other end of the modem? Is this a PPP/SLIP or just >system <-> >> system. > >This is part of an effort to interface with a Squirrel POS >system. The tty >port connects to a Systech brand "serial port server". It's a >box that sort >of converts serial to Ethernet. It has an IP address that is >known by the >Squirrel server. Data going back and forth between the two >systems is sent >over the network between the server and the serial port >server. It's then >converted to/from serial. The interface protocol defines the >structure and >content of the messages between machines. It's all based on serial >communications, with ASCII characters used to control the >signaling (ENQ, >ACK, NAK, STX, ETX, etc). > >Until now, I've been frustrated in my attempts to get the >Squirrel system to >understand my ACK response to its ENQ. It usually figures it >out after the >fourth or fifth try, but by then it's too late. Working with Squirrel >support, I learned that the buffer had data other than my ACK >in it when it >arrived. I tried using the DELAY parameter on the LINE.ATT command and >suddenly Squirrel understood the ACK on the first try. > >The Unidata manual says: "Warning On some platforms, you must >specify DELAY >in LINE.ATT to avoid problems with subsequent UniBasic SEND commands >overlaying data". So, I guess I'm having problems with my SEND commands >overlaying data. Now I'd like more detail on what this means >and how to get >around it. > >(And to think, some people get to play around with UniObjects >and other cool >things!) > >Dana Baron >System Manager >Smugglers' Notch Resort >------- >u2-users mailing list >[email protected] >To unsubscribe please visit http://listserver.u2ug.org/ ------- u2-users mailing list [email protected] To unsubscribe please visit http://listserver.u2ug.org/
