Re: [SLUG] USB Modem

From: Steven W. Buehler (steven@sanctuaryweb.org)
Date: Wed Jan 21 2004 - 23:36:25 EST


Check if your modem is host or hardware controlled. If it is host
controlled you may be SOL ("Host Controlled" = "WinModem").

On Wed, 2004-01-21 at 22:11, Tim Wright wrote:
> I've been trying to connect an external USB modem (Actiontec 56k/V.92)
> to this cheapie Acer PC and have been hitting a brick wall. The box
> has 3 built-in USB ports: one for the keyboard (USB mouse plugs into
> the keyboard) and 2 available for other hardware.
>
> When configuring KPPP, I can't query or communicate with the modem. When I
> set it for a USB device (/dev/usb/ttyACM0 thru ttyACM4) I get a "can't open
> modem" error. Ports ttyS1 through ttyS3 respond as "modem busy," and ttyS0
> acts like there's modem there, but all the query fields come up blank. Port
> ttyS0 responds this way with or without the external modem plugged in, and
> with or without the old Winmodem plugged in.
>
> Because this box has no serial port plug, I tried getting a serial card to
> plug into the now-vacant PCI internal modem slot. The Actiontec "USB" modem
> is a serial modem with a USB adapter. The parallel-serial cards at the store
> were all too large to fit the low profile case, but a 2-plug USB card fits.
> All five USB ports work: I plugged in the keyboard and mouse in various
> combinations with the computer on and off, and in all cases the system sees
> the keyboard and mouse. However, it still doesn't see the modem.
>
> I figured a hardware modem should work for this box. Serial
> communication is serial communication, although I know just enough
> about USB to be dangerous. This PC runs Mepis and Knoppix just fine,
> both from the live CD and installed on the hard drive. What am I doing
> wrong?

-- 
Steven W. Buehler <steven@sanctuaryweb.org>
sanctuaryweb.org

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