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modem not work

Posted on 1999-12-12
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Last Modified: 2012-05-04
I try to connect to my isp with DIP.
It seems connected, and I typed login name and password. However, it then said "NO CARRIER",
what does it mean?
How can I connect to the internet?
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Question by:mwhuen
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11 Comments
 

Expert Comment

by:jbenson
ID: 2276390
It means that either you timed out the login prompt and the isp hungup or if you never got a login prompt it didn't recognize your authentication method.....can you offer more details concerning the login methods your isp utilizes....chap or pap or whatever else....
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Author Comment

by:mwhuen
ID: 2276747
Thank you for your response, but I really don't know how to do.

I don't know what login method my isp utilizes,

When I use win98, i only need to type dial number, login name, and then password, and then I can login in, and connect to the internet.

I use DIP to connect, it doesn't ask me what login method too....

after i fill in login name and pasword, lots of symbols appear,
and then finally
NO CARRIER

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Expert Comment

by:oesse
ID: 2276850
the best way is to use chat instead of dip.
try looking in the http://linux.tecnogi.com/connection.html even if in italian it could help you.

..oesse.
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Author Comment

by:mwhuen
ID: 2278731
let me try, thank you
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Expert Comment

by:jbenson
ID: 2281708
the funny characters that appear are the LCP negotiaiton looking to connect....without a response from you end it times out and drops the carrier.  when you seen the symbols type in pppd and see if it completes the connection.
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Author Comment

by:mwhuen
ID: 2286103
i want to know what are the causes of my problem,
is it because my linux system has problem?
do i need to re-install it and install all software?
or  is it because my modem has problem?
do i need to buy a new good modem?
or is it because the software i used (DIP) is not good?
do i need to change to a more easy software?


i think the login method of my isp is PPP(pap).
Please help.
thank you.
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Expert Comment

by:sirwnstn
ID: 2287631
Can you answer a few questions so that I can properly formulate an answer for you?

1.  Which version and distribution of linux do you have?

2.  Can you use pppd?  In other words, does it exist on your system?  (You can find out by typing "whereis pppd" at the console when logged in as root.  It should show something like "pppd: /sbin/pppd")  Tell me what it shows.

3.  What kind of modem do you have?  Tell me the exact make, model number and company.  (example: US Robotics 28.8 Sportster external faxmodem)  Is it internal or external?


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Author Comment

by:mwhuen
ID: 2294698
yes.
1,I use red hat 6.0.
2,i can use pppd
3, i use a modem of
faxenger 56sp external faxmodem.
here is its homepage:
www.uniquemodem.com

thand you.
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Author Comment

by:mwhuen
ID: 2299669
in fact, i didn't install any driver of my modem in linux system, do i need to install ?

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Accepted Solution

by:
sirwnstn earned 200 total points
ID: 2302568
I've never heard of such a modem, but since it is an external modem, it should work with linux. (Unless the standards in Hong Kong are different)

Follow all the instructions in this link:

http://axion.physics.ubc.ca/ppp-linux.txt

It will tell in great detail how to use pppd to connect to the internet.
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Expert Comment

by:g_l_c
ID: 2303749
Yeah - you might have to enter a start command after your username and password:

For example:

(in a terminal based logon)

User:  yourname
Password:  passwd

#prompt_here:> ppp

Typing ppp will start the remote ppp session on the port you connected to and instialise pppd on yours.  (You'll then be able to type 'ifconfig' and get your IP etc.)
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