Just to update on progress so far. Many thanks to all who responded and particularly to Bob for the scripts. Murphy was working well and as I told Bob: > When I last posted on this I had just been disconnected more than ten times in > a few hours and all that week had been getting frequent disconnections. > > After you sent me the scripts I dropped some in the scripts folder ready to > try them the next time I had problems. So, would you believe it, since then > everything has been behaving amazingly well (even though I haven't yet tried > any of them!) in a week I've had only two or three disconnections!! (It > reminds me of when I had to faultfind the electronics on unmanned submarines - > the intermittent faults were always a problem - rarely appeared when you had > the meter out!) Anyway this didn't last too long and so the next time I hit problems, I started trying scripts. I first tied the 'Apple Internal 56K RB' since it sounded to address several potential causes - unfortunately I had two disconnections in fairly quick order. I next tried 'Apple Int56K (V34 Only)' and sofar this seems to have solved the problem - I just have to put up with a max speed of 33600 - frustrating but not half as frustrating as the disconnects!! The above paragraph applies to my Ti G4 400Hz Powerbook.
I am still slowly getting up to speed with OSX on my new 800Hz G4 iMac. To see if the problem was solved just by the change to v34, I selected the original 'Apple Internal 56K Modem (v34)' script. The connection seemed better but I still had problems. I discovered the 'Connection Log' window in Internet Connect and found that there seemed to be two separate scenarios- 'Terminating on signal 15.' 'No response to 3 echo-requests Serial link appears to be disconnected. Connection terminated.' Each of these scenarios seemed to be happening on a fairly frequent basis, so I then tried the 'Apple Int56K (V34 Only)' from the scripts Bob sent. Having placed this in the HD/Library/Modem scripts folder, I selected it in the network modem preferences, however attempting to connect failed with 'Terminating on signal 15. Connect Script failed Serial link disconnected.' I then tried re-booting into OS9.2 and again found that the original 'Apple Internal 56K Modem (v34)' script would connect (I didn't stay on long enough to see how long the connection lasted) but when I tried the 'Apple Int56K (V34 Only)' from the scripts Bob sent (placed in the OS9system/extensions/modem scripts folder), again the modem would not connect. So the situation seems to be: 1) the original 'Apple Internal 56K Modem scripts (both v.90 & v.34) seem to have difficulty maintaining a connection both on my powerbook and my iMac. 2) the 'Apple Int56K (V34 Only)' script which Bob sent seems to give a reliable (if slow) connection with my powerbook. 3) unfortunately, this script does not seem to be compatible with the modem in my iMac (either under OSX or OS 9.2) I would really appreciate if some modem guru (Bob?) could advise a) if the 'connection log' messages give any insight into what is the actual cause of the disconnection problems b) any method of getting the fix to work on my iMac c) any way to get a reliable connection at higher speeds than 33600 or is this too big an ask (sometimes I have had good long connections at 48000 so the lines would seem to be good for it - is it a congestion problem?) TIA Neil on 09/07/02 17:48, Bob Howells at [EMAIL PROTECTED] wrote: > NEIL, > > Attached you will find a copy of Ross's scripts for troublesome modems. > > I don't know whether this will help. Forgotten what OS and Mac you are having > trouble with. > I have some other info also somewhere about disabling the > Low Carry disconnect function. > > I might need to explain that bit to you. Effectively what it means is > that your > modem > can sense if the Data Carrier signal goes low level, and then initiates a > disconnect. > Sometimes we can turn that function off by altering the modem script. > > Also there is another function that can effect the modem. > > When you start up, your compter speaks to the modem to set it up ready to > connect and dial on the line. > After the connection is made, the computer only requires the modem to > onforward > the info > but the computer still needs to be able to initiate a disconnection > The disconnection command is a group of 3 plus signs in a row. > If i send that here it could initiate you to disconnect. There is a special > guard circuit in the > modem that is supposed to stop it recognising > signals similar to the disconnect pluses. > which might occur in your text messages > > The suspicion is that your modem is not guarding as good as it should. > > Welll that's the theory anyway, > Meanwhile check this lot out and see how you make out. > > Have Fun > > Bob Howells > > Neil Houghton wrote: > >> I posted on this subject back in February, recap: >>> I have a problem that is erratic but seems to be increasing in frequency? >>> When on the net or collecting email I keep getting disconnected. > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.html> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.html> > Unsubscribe - <mailto:[EMAIL PROTECTED]> > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > -- Neil R. Houghton Albany, Western Australia Tel: +61 8 9841 6063 Fax: +61 8 9841 6137 Email: [EMAIL PROTECTED]
