modem problem with statserial and modem tool.

modem problem with statserial and modem tool.

Post by alexrochenco[rm this » Wed, 17 Nov 1999 04:00:00



hello,

I'm using red hat linux release 5.2
Kernel 2.0.36

I have a problem with linux detecting my modem. Well, I believe that's
what the problem is.

First off, my linux is running on a compaq 1680 laptop. The modem is
already installed in the computer.

Within windows, the modem is COM 2, which i thought was /dev/cua1

I've set the /dev/cua1 to COM2 via the modem tool.  Then, I try use
statserial to see if it's detected.

here is my result


statserial: TIOCMGET failed: Input/output error

well, I assume that isn't what is supposed to happen.

I decdied to try the serial port, which is COM1

so i type this

and the output is this.

Device: /dev/cua0
signal        pin    pin    direction    status    full
name        (25)    (0)    (computer)                Name
-------        -----    ----    --------------    ---------
-----------
FG            1        -        -               -           Frame Ground

TxD           2      3       out              -           Transmit Data
RxD           3     2        in                -           Receive Data
RTS           4     7        out             1           Request to Send

CTS           5     8        in               0           Clear to Send
DSR           6     6        in               0           Data Set Ready

GND           7     5        -                 -           Signal Ground

DCD           8     1        in               0           Data Carrier
Detect
DTR          20     4        out             1           Data Terminal
REady
RI             22     9        in               0           Ring
Indicator

Is there something wrong ?  should i try something different to
configure my modem?

 
 
 

modem problem with statserial and modem tool.

Post by Charles Sulliva » Wed, 17 Nov 1999 04:00:00


It may be a winmodem; if so you are out of luck.  If you can
get the modem to work if you boot up your laptop under MS-DOS
alone, i.e., no Windows, then it ought to work under Linux.



>hello,

>I'm using red hat linux release 5.2
>Kernel 2.0.36

>I have a problem with linux detecting my modem. Well, I believe that's
>what the problem is.

>First off, my linux is running on a compaq 1680 laptop. The modem is
>already installed in the computer.

>Within windows, the modem is COM 2, which i thought was /dev/cua1

>I've set the /dev/cua1 to COM2 via the modem tool.  Then, I try use
>statserial to see if it's detected.

>here is my result


>statserial: TIOCMGET failed: Input/output error

>well, I assume that isn't what is supposed to happen.

>I decdied to try the serial port, which is COM1

>so i type this

>and the output is this.

>Device: /dev/cua0
>signal        pin    pin    direction    status    full
>name        (25)    (0)    (computer)                Name
>-------        -----    ----    --------------    ---------
>-----------
>FG            1        -        -               -           Frame Ground

>TxD           2      3       out              -           Transmit Data
>RxD           3     2        in                -           Receive Data
>RTS           4     7        out             1           Request to Send

>CTS           5     8        in               0           Clear to Send
>DSR           6     6        in               0           Data Set Ready

>GND           7     5        -                 -           Signal Ground

>DCD           8     1        in               0           Data Carrier
>Detect
>DTR          20     4        out             1           Data Terminal
>REady
>RI             22     9        in               0           Ring
>Indicator

>Is there something wrong ?  should i try something different to
>configure my modem?


 
 
 

1. Cable modem..56 modem dial up, 500K cable modem download stream...

I have 2 network cards and 1 modem in a Linux Box with RH6.
My cable modem uses the modem to start a PPP session, and the network card
is then hooked up to the VPN of the ISP.

I would like to setup a IP Masquraded Firewall to hook some of my other
boxes
behind the firewall.

I  cannot find a HOW-TO to setup the Linux box using this type of Cable
Modem.  I
have only found 2 way cable modems.  Can someone point me it the right
direction.

My problem is that I don't know how to get Linux connected, then also, how
do I configure
ipchains or ipfwadm to use the correct rule set.  Do I do the modem or the
network card.  The
network card has a static IP of 10.0.0.1 which is usally used for VPNs.  My
cable company
is of corse not supporting Linux, so I have to do it myself.  The PPP dialup
uses DHCP to
assign my address so I have dhcp setup.

Thanks in advance..

Aaron

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