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Swannsmart Usb - disconnects View previous topic :: View next topic
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david Reply with quote

PostPosted: 02-01-2005 09:40 PM    Post subject: Swannsmart Usb - disconnects
Hi,

My modem keeps disconnecting, the times connected vary from hours to 5 to 15 mins. The line is a 10m extension from main socket.

My ISP advised:

1. +ms=34 string to drop rate to 33.6kps

this didn't fix the problem.

2. Update driver:

this didn't fix the problem

3. Use a shorter extension and test it:

Am unwilling to lug computer around to try.

I repositioned the telephone company installed second socket from another room to my computer. But the problem persists.

The log reads:

02-02-2005 11:55:09.234 - File: C:\WINDOWS\system32\tapisrv.dll, Version 5.1.2600
02-02-2005 11:55:09.234 - File: C:\WINDOWS\system32\unimdm.tsp, Version 5.1.2600
02-02-2005 11:55:09.234 - File: C:\WINDOWS\system32\unimdmat.dll, Version 5.1.2600
02-02-2005 11:55:09.234 - File: C:\WINDOWS\system32\uniplat.dll, Version 5.1.2600
02-02-2005 11:55:09.250 - File: C:\WINDOWS\system32\drivers\modem.sys, Version 5.1.2600
02-02-2005 11:55:09.250 - File: C:\WINDOWS\system32\modemui.dll, Version 5.1.2600
02-02-2005 11:55:09.250 - File: C:\WINDOWS\system32\mdminst.dll, Version 5.1.2600
02-02-2005 11:55:09.250 - Modem type: Swann ST56 USB Modem
02-02-2005 11:55:09.250 - Modem inf path: oem5.inf
02-02-2005 11:55:09.250 - Modem inf section: Modem1
02-02-2005 11:55:09.250 - Matching hardware ID: usb\vid_0483&pid_7554
02-02-2005 11:55:09.421 - 460800,8,N,1, ctsfl=1, rtsctl=2
02-02-2005 11:55:09.421 - Initializing modem.
02-02-2005 11:55:09.437 - Send: AT<cr>
02-02-2005 11:55:09.437 - Recv: AT<cr>
02-02-2005 11:55:09.437 - Command Echo
02-02-2005 11:55:09.437 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.437 - Interpreted response: OK
02-02-2005 11:55:09.453 - Send: AT &F E1 V1 &A3 &D2 &C1 S0=0 [ESM<cr>
02-02-2005 11:55:09.453 - Recv: AT &F E1 V1 &A3 &D2 &C1 S0=0 [ESM<cr>
02-02-2005 11:55:09.453 - Command Echo
02-02-2005 11:55:09.453 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.453 - Interpreted response: OK
02-02-2005 11:55:09.468 - Send: ATS7=60S19=0L2M1\N3%C3&H1N1X4<cr>
02-02-2005 11:55:09.468 - Recv: ATS7=60S19=0L2M1\N3%C3&H1N1X4<cr>
02-02-2005 11:55:09.468 - Command Echo
02-02-2005 11:55:09.468 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.468 - Interpreted response: OK
02-02-2005 11:55:09.468 - Sending user initialization commands.
02-02-2005 11:55:09.484 - Send: AT+ms=34<cr>
02-02-2005 11:55:09.484 - Recv: AT+ms=34<cr>
02-02-2005 11:55:09.484 - Command Echo
02-02-2005 11:55:09.484 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.484 - Interpreted response: OK
02-02-2005 11:55:09.484 - Waiting for a call.
02-02-2005 11:55:09.500 - Send: at#cid=1<cr>
02-02-2005 11:55:09.500 - Recv: at#cid=1<cr>
02-02-2005 11:55:09.500 - Command Echo
02-02-2005 11:55:09.500 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.500 - Interpreted response: OK
02-02-2005 11:55:09.515 - Send: ATS0=0<cr>
02-02-2005 11:55:09.515 - Recv: ATS0=0<cr>
02-02-2005 11:55:09.515 - Command Echo
02-02-2005 11:55:09.515 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.515 - Interpreted response: OK
02-02-2005 11:55:09.515 - 460800,8,N,1, ctsfl=1, rtsctl=2
02-02-2005 11:55:09.515 - Initializing modem.
02-02-2005 11:55:09.531 - Send: AT<cr>
02-02-2005 11:55:09.531 - Recv: AT<cr>
02-02-2005 11:55:09.531 - Command Echo
02-02-2005 11:55:09.531 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.531 - Interpreted response: OK
02-02-2005 11:55:09.546 - Send: AT &F E1 V1 &A3 &D2 &C1 S0=0 [ESM<cr>
02-02-2005 11:55:09.546 - Recv: AT &F E1 V1 &A3 &D2 &C1 S0=0 [ESM<cr>
02-02-2005 11:55:09.546 - Command Echo
02-02-2005 11:55:09.546 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.546 - Interpreted response: OK
02-02-2005 11:55:09.562 - Send: ATS7=60S19=0L2M1\N3%C3&H1N1X4<cr>
02-02-2005 11:55:09.562 - Recv: ATS7=60S19=0L2M1\N3%C3&H1N1X4<cr>
02-02-2005 11:55:09.562 - Command Echo
02-02-2005 11:55:09.562 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.562 - Interpreted response: OK
02-02-2005 11:55:09.562 - Sending user initialization commands.
02-02-2005 11:55:09.578 - Send: AT+ms=34<cr>
02-02-2005 11:55:09.578 - Recv: AT+ms=34<cr>
02-02-2005 11:55:09.578 - Command Echo
02-02-2005 11:55:09.578 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 11:55:09.578 - Interpreted response: OK
02-02-2005 11:55:09.578 - Dialing.
02-02-2005 11:55:09.593 - Send: ATDT*##,,##########<cr>
02-02-2005 11:55:09.593 - Recv: ATDT*44,,0198331111<cr>
02-02-2005 11:55:09.593 - Command Echo
02-02-2005 11:55:42.765 - Recv: <cr><lf>MODULATION: V.34
02-02-2005 11:55:42.765 - Interpreted response: Informative
02-02-2005 11:55:42.765 - Recv: <cr><lf>PROTOCOL: LAPM
02-02-2005 11:55:42.765 - Interpreted response: Informative
02-02-2005 11:55:42.765 - Recv: <cr><lf>COMPRESSION: V.42BIS
02-02-2005 11:55:42.765 - Interpreted response: Informative
02-02-2005 11:55:42.765 - Recv: <cr><lf>CONNECT 33600<cr><lf>
02-02-2005 11:55:42.765 - Interpreted response: Connect
02-02-2005 11:55:42.765 - Connection established at 33600bps.
02-02-2005 11:55:42.765 - Error-control on.
02-02-2005 11:55:42.765 - Data compression on.
02-02-2005 11:56:12.765 - Read: Total: 95024, Per/Sec: 3161, Written: Total: 44013, Per/Sec: 1463
02-02-2005 11:58:12.765 - Read: Total: 230608, Per/Sec: 1129, Written: Total: 95657, Per/Sec: 430
02-02-2005 12:00:12.765 - Read: Total: 481143, Per/Sec: 2087, Written: Total: 124392, Per/Sec: 239
02-02-2005 12:02:12.765 - Read: Total: 600330, Per/Sec: 993, Written: Total: 134819, Per/Sec: 86
02-02-2005 12:04:12.765 - Read: Total: 750655, Per/Sec: 1252, Written: Total: 159046, Per/Sec: 201
02-02-2005 12:06:12.765 - Read: Total: 1001132, Per/Sec: 2087, Written: Total: 182051, Per/Sec: 191
02-02-2005 12:07:08.890 - CD dropped--Remote modem hung up. ModemStatus=00000030
02-02-2005 12:07:08.921 - Hanging up the modem.
02-02-2005 12:07:09.921 - Timed out waiting for response from modem
02-02-2005 12:07:09.921 - Send: ATH<cr>
02-02-2005 12:07:09.921 - Recv: ATH<cr>
02-02-2005 12:07:09.921 - Command Echo
02-02-2005 12:07:09.953 - Recv: <cr><lf>OK<cr><lf>
02-02-2005 12:07:09.953 - Interpreted response: OK
02-02-2005 12:07:09.953 - 460800,8,N,1, ctsfl=1, rtsctl=2
02-02-2005 12:07:09.953 - Initializing modem.

My thoughts are that is could be the modem, or I need a an additional string to add to the +ms=34, to stabilise the connection.
Is there a way to test a modem for disconnection problems? I ran the Swann modem helper and it gave me this code: 02040004+3.0 but no info to what it means!


Any help greatly appreciated. Thanks.
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darkman Reply with quote

PostPosted: 02-21-2005 04:59 AM    Post subject:
Have you tried calling you telco provider and get a moulds test done? (what they call a test in australia to see if thier is any noise on the line)
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Webmaster Reply with quote

PostPosted: 02-21-2005 07:15 AM    Post subject:
In the US this is also called a MLT, only the M is usually referred to as Metallic.
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Zand94 Reply with quote

PostPosted: 03-08-2005 10:48 PM    Post subject: I dont think it's your modem...
In the log there is the line that states:

02-02-2005 12:07:08.890 - CD dropped--Remote modem hung up. ModemStatus=00000030

This means that your ISP's modem disconnected you. And usually this happens when there''s been some type of data stream interruption. Are you using a specific program at the same time that this happens EVERY time? Is anything else connected to the phone system OTHER than your computer (if you do not have a 2nd phone line then the answer would more than likely be yes). If so, try unplugging everything on the phone system and see if the problem persists. If it does then more than likely it's an issue on the phonline itself and you might want to look at the line noise troubleshooting areas of this website. If it does not, then begin to plug everything back into the phone system one item at a time and then dialup until you find what device is causing you problems.

BTW...I do suggest continuing to use the V34 init string in order to try to
keep the connection as stable as possible right now. Once you find the culprit, you can then try using it at 56k speeds.

Alex
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