hokey@plus5.UUCP (Hokey) (01/05/87)
We have a US Robotics Courier 2400 modem. Every once in a while it goes into a strange mode in which verbose responses (the OK in particular) get returned in *lower case* and we get an extra CRLF (or at least an extra LF). Our switch settings are: 1 DTR normal - controlled by pin 20 2 Numeric result codes 3 Quite mode - no result codes sent 4 Echo OFF 5 Auto Answer 6 CD forced ON 7 RJ11 8 Normal AT command recognition 9 +++ disconnects and displays NO CARRIER 10 off We set up the modem in this fashion to avoid problems with getty(). When dialing out, we enable result code transmission, might turn on echo, and might turn on verbose results. We sometimes revert to X6, too. When in this "strange mode", ATZ does *not* reset the modem (ie, we still get echo, result codes, and an "ok" in lower case along with double CRLFs). Offhand, I don't recall if I can make anything else work when in this mode. Has anyone else seen this problem? -- Hokey
bob@ahxenix.REL.COM (Bob Leffler) (01/08/87)
In article <1678@plus5.UUCP>, hokey@plus5.UUCP (Hokey) writes: > We have a US Robotics Courier 2400 modem. Every once in a while it goes into > a strange mode in which verbose responses (the OK in particular) get returned > in *lower case* and we get an extra CRLF (or at least an extra LF). > > When in this "strange mode", ATZ does *not* reset the modem (ie, we still get > echo, result codes, and an "ok" in lower case along with double CRLFs). > Offhand, I don't recall if I can make anything else work when in this mode. > What version is the rom in your Courier? You can check by using the ATI command. I'm not sure of the most recent release. I upgraded to 243 several months ago. USR will upgrade the rom for free if you call their service number. -- Bob Leffler - bob@ahxenix.REL.COM ...!ihnp4!mb2c!edsdrd!ahxenix!bob
hokey@plus5.UUCP (Hokey) (01/15/87)
Regarding the strange intermittent problem I have seen in which verbose response codes come back in lower case, an extra CRLF appears after each response, and ATZ does not reset the modem, I was asked the revision level of our USR 2400. We are at 243. -- Hokey
grr@cbmvax.cbm.UUCP (George Robbins) (01/17/87)
In article <1695@plus5.UUCP> hokey@plus5.UUCP (Hokey) writes: >Regarding the strange intermittent problem I have seen in which verbose >response codes come back in lower case, an extra CRLF appears after each >response, and ATZ does not reset the modem, I was asked the revision level >of our USR 2400. > >We are at 243. >-- >Hokey This is pretty bizarre! Are you sure that the unix doesn't have some strange terminal modes set when you are accessing the modem? What program are you using to access it? When you toss it an ATZ is it that it doesn't come back with 'OK' or just that it doesn't stop doing the funny stuff you describe? -- George Robbins - now working for, uucp: {ihnp4|seismo|rutgers}!cbmvax!grr but no way officially representing arpa: cbmvax!grr@seismo.css.GOV Commodore, Engineering Department fone: 215-431-9255 (only by moonlite)