I almost have this laptop connected by ppp to the debian machine on my desk, but not quite.
>From /var/log/ppp.log: Aug 11 15:26:30 hawkins chat[776]: Iowa State University Telecommun ications ENET server 9^M Aug 11 15:26:30 hawkins chat[776]: ^M Aug 11 15:26:30 hawkins chat[776]: ^M Aug 11 15:26:30 hawkins chat[776]: 1. Telnet host 11. set 8 -bit clean mode ^M Aug 11 15:26:30 hawkins chat[776]: ^M Aug 11 15:26:30 hawkins chat[776]: 2. ISUA: Project Vincent access 12. unset 8-bit clean mode ^M Aug 11 15:26:30 hawkins chat[776]: ^M Aug 11 15:26:30 hawkins chat[776]: 3. ISUM: Older Vincent MIPS ^M Aug 11 15:26:30 hawkins chat[776]: ^M Aug 11 15:26:30 hawkins chat[776]: ^M ... [lots of these] Aug 11 15:26:30 hawkins chat[776]: 10. log out ^M Aug 11 15:26:30 hawkins chat[776]: ^M Aug 11 15:26:30 hawkins chat[776]: Enter number of selection or use arrow keys: Aug 11 15:26:30 hawkins chat[776]: -- got it Aug 11 15:26:30 hawkins chat[776]: send (??????) Aug 11 15:26:31 hawkins chat[776]: expect (continue...) Aug 11 15:26:31 hawkins chat[776]: 11^M This allegedly sent an "11", which is the command to set 8 bit clean Aug 11 15:26:31 hawkins chat[776]: press <RETURN> to continue... Aug 11 15:26:31 hawkins chat[776]: -- got it Aug 11 15:26:31 hawkins chat[776]: send (??????) Aug 11 15:26:33 hawkins chat[776]: expect (keys:) Aug 11 15:26:33 hawkins chat[776]: ^M [the menu again] Aug 11 15:26:33 hawkins chat[776]: Enter number of selection or use arrow keys: Aug 11 15:26:33 hawkins chat[776]: -- got it Aug 11 15:26:33 hawkins chat[776]: send (??????) Aug 11 15:26:34 hawkins chat[776]: expect (host...) Aug 11 15:26:34 hawkins chat[776]: 1^M [It now knows that I want a telnet host] Aug 11 15:26:34 hawkins chat[776]: Telnet host... Aug 11 15:26:34 hawkins chat[776]: -- got it Aug 11 15:26:34 hawkins chat[776]: send (??????) Aug 11 15:26:35 hawkins chat[776]: expect (ogin:) Aug 11 15:26:35 hawkins chat[776]: eyry.econ^M Aug 11 15:26:36 hawkins chat[776]: Xyplex -010- ^GSession 1 to EYRY.ECON establi shed^M Aug 11 15:26:36 hawkins chat[776]: Debian GNU/Linux 2.0 eyry.econ.iastate.edu^M Aug 11 15:26:36 hawkins chat[776]: ^M Aug 11 15:26:36 hawkins chat[776]: eyry login: Aug 11 15:26:36 hawkins chat[776]: -- got it Aug 11 15:26:36 hawkins chat[776]: send (??????) Aug 11 15:26:37 hawkins chat[776]: expect (ssword:) Aug 11 15:26:37 hawkins chat[776]: hawkppp^M Aug 11 15:26:37 hawkins chat[776]: Password: Aug 11 15:26:37 hawkins chat[776]: -- got it Aug 11 15:26:37 hawkins chat[776]: send (??????) Aug 11 15:26:37 hawkins chat[776]: send (\d) Aug 11 15:26:38 hawkins pppd[775]: Serial connection established. It now has a serial connection, and the host machine knows that it's logged in [i checked :) ] Aug 11 15:26:39 hawkins pppd[775]: Using interface ppp0 Aug 11 15:26:39 hawkins pppd[775]: Connect: ppp0 <--> /dev/ttyS1 Aug 11 15:26:39 hawkins pppd[775]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magi c 0xffff5557> <pcomp> <accomp>] Aug 11 15:27:06 hawkins last message repeated 9 times Aug 11 15:27:09 hawkins pppd[775]: LCP: timeout sending Config-Requests Aug 11 15:27:09 hawkins pppd[775]: Connection terminated. Aug 11 15:27:09 hawkins pppd[775]: Receive serial link is not 8-bit clean: Aug 11 15:27:09 hawkins pppd[775]: Problem: all had bit 7 set to 0 Aug 11 15:27:10 hawkins pppd[775]: Exit. huh? This is an 8 bit clean connection. so how to i test it myself to have something to show the telecommunications folks? Or could my modem be sending 7 bits? It's a compaq pcmia modem in an ibm thinkpad. any help would be appreciated. rick