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Old 12-02-2002, 10:58 AM   #1
Dr.Swing
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Registered: Mar 2002
Location: Ireland
Distribution: Slackware 8.0, Mandy 9.0
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3Com US Robotics drivers


Can anyone tell me , please, where I can locate drivers for an External (com port) 3Com U.S. Robotics 56K Faxmodem.

The modem tests fine but I keep getting this "No Carrier" message when I try to connect. From reading other posts I believe it's down to the drivers. This happens with both Slack 8.0 and Mandy 9.

Tanks
Doc
 
Old 12-02-2002, 04:11 PM   #2
NSKL
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Registered: Jan 2002
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No, i dont think it's a driver problem, since the modem appears to work is you can start dialing. I think it might be a problem with PPPd (man pppd)
Or maybe the phone conections.

If its of ANY help, heres a log of a succesful connect with the same modem, running slack 8.1 and WvDial, modem was setup out of the box, i just needed to install and tweak WvDial. HTH

--> WvDial: Internet dialer version 1.53
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Modem initialized.
--> Sending: ATDT0 0680332000
--> Waiting for carrier.
ATDT0 0680332000
CONNECT 45333/ARQ/V90/LAPM/V42BIS
--> Carrier detected. Waiting for prompt.
TNT1 ROME ITALY
Login:
--> Looks like a login prompt.
--> Sending: guesswho@ciaoweb.it
guesswho@ciaoweb.it
Password:
--> Looks like a password prompt.
--> Sending: (password)
Entering PPP Session.
IP address is 62.123.12.129
MTU is 1524.
--> Looks like a welcome message.
--> Starting pppd at Mon Dec 2 22:02:22 2002
--> pid of pppd: 948

-NSKL
 
Old 12-03-2002, 07:35 AM   #3
Dr.Swing
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Thanks for the reply NSKL. I still haven't solved the problem, the modem and line are definately OK as I can connect thru Windows. Something flakey goin' on. I'll just have to keep working on it.

Doc
 
Old 12-03-2002, 10:29 PM   #4
newpenguin
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i think NKSL has set stupid mode in his /etc/wvdial.conf
may be you need it too
Stupid Mode = 1
or
Stupid Mode = 0
or may be
Stupid Mode = yes

and mention here that with what tools you are dialing.
 
Old 12-04-2002, 05:17 AM   #5
Dr.Swing
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I've tried the Stupid Mode bit with no success. I'm using both KPPP dialer and wvdial to try and make the connection, but the thing just sits there waiting for the carrier and eventually times out.

Tanks
Doc
 
Old 01-28-2003, 07:56 PM   #6
Bob Haskell
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Doc,

I've recently had the same problem. For the last couple of years I've been dialing in to my ISP from a Linux box with a US Robotics Sportser 56K modem. Then in the November / December time frame I wasn't able to establish a connection every time. Around Christmas, couldn't connect at all. Thought the modem went bad, so bought another one - same problem. Attached the Sportser to a Windows ME PC - worked fine. Swapped phone jacks, phone lines, serial cables, COM ports on the Linux box - no luck. Installed/booted Win98 on Linux box - modems work fine.

My ISP doesn't support Unix/Linux but their servers are running SunOS - go figure. So they were unwilling to help.

My problem was that as soon as I responded to the login prompt with my user id or just a carriage return, the remote modem would hang up. I got on US Robotics web site and found a dial up phone number to try. It worked fine - got the password prompt after sending my (invalid) user id. Would then get another login prompt after entering in the (invalid) password). Funny thing is that my ISP appears to be using the same 3Com modems as the USR dialup.

I sent in my wvdial log (actually from /var/log/messages) to US Robotic's tech support (http://www.usr.com) and they responded in a couple of days. And their suggestion seems to work. Here are my Init strings:

Init1 = ATZ
Init2 = AT&F1 E0 Q0 V1 &C1 &D2 &A0 S0=0
Init3 = ATS7=60 S19=0M1 S32=96 &M4 &K1 &H1 &R2 &I0B0X4
Init4 =

US Robotics suggestion was to include S32=96. I haven't gone through the manual to see what it's doing yet. I think I cleared Init4 (normally = ATM1L3) while I was trying to figure this problem out. I'll have to put it back and see if it still works.

If this suggestion doesn't fix your problem - I'd get on US Robotics web site and fill out a service request. Give them a copy of the log.

Good luck
Bob
 
Old 01-29-2003, 04:00 AM   #7
Dr.Swing
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Bob,

You've got great patience, I gave up on it long ago. I've still got the modem so I'll try your suggestions and let you know how I get on.

Tanks
Doc
 
Old 01-30-2003, 11:39 AM   #8
Dr.Swing
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Bob,

I've got connected now, but the connection times out when logging on to the network. The error is "Timeout expired while waiting for the PPP interface to come up!"

I guess I need to fiddle some more with the init string, also the connection is made at 14000

Cheers
Doc
 
Old 01-30-2003, 11:42 AM   #9
Dr.Swing
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Here's the error log.

Jan 30 16:35:47 aiiepcd007 pppd[4730]: pppd 2.4.1 started by root, uid 0
Jan 30 16:35:47 aiiepcd007 pppd[4730]: using channel 12
Jan 30 16:35:47 aiiepcd007 pppd[4730]: Using interface ppp0
Jan 30 16:35:47 aiiepcd007 pppd[4730]: Connect: ppp0 <--> /dev/tts/0
Jan 30 16:35:47 aiiepcd007 pppd[4730]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x78fa7217> <pcomp> <accomp>]
Jan 30 16:35:50 aiiepcd007 pppd[4730]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x78fa7217> <pcomp> <accomp>]
Jan 30 16:36:02 aiiepcd007 pppd[4730]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x78fa7217> <pcomp> <accomp>]
Jan 30 16:36:16 aiiepcd007 pppd[4730]: Terminating on signal 15.
Jan 30 16:36:16 aiiepcd007 pppd[4730]: sent [LCP TermReq id=0x2 "User request"]
Jan 30 16:36:19 aiiepcd007 pppd[4730]: sent [LCP TermReq id=0x3 "User request"]
Jan 30 16:36:22 aiiepcd007 pppd[4730]: Connection terminated.
Jan 30 16:36:22 aiiepcd007 pppd[4730]: Exit.

Doc
 
Old 03-28-2003, 05:41 PM   #10
BeeDead
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Hi i need the drivers for an OEM usr product - 3598a for Red hat
 
Old 05-13-2003, 01:49 PM   #11
stucker
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Just a quick post (and my first!) to say a big thank you to Bob haskell for his post. I was having trouble with my 56k Sportster message plus. I could access the internet Ok but when deactivating my network device, the modem would hang. If I then rebooted my dual machine and went into XP I couldn't access the internet without installing the drivers again. No repowering of the modem would help.

I inserted the Init2,3 and 4 commands as per Bobs post as I only had the Init1=ATZ command and all now works well.

Thanks again Bob
Regards

Shane

I have now moved onto to wrestling with the mounting of NTFS partitions !!!
 
  


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