Messages in this thread | | | Date | Thu, 16 Dec 2004 12:25:18 +0100 | From | Ondrej Zary <> | Subject | Re: Issue on connect 2 modems with a single phone line |
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Pavel Machek wrote: > Hi! > > >> I want to try serial console in order to see the >>complete Linux kernel oops. >> I have 2 computers, one is a PC, and the other is a >>Laptop. Unfortunately,my Laptop doesn't have a serial >>port on it. But then, the each machine has a internal >>serial modem respectively. >> Then, can I use a telephone line to directly connect >>the two machines via their internal modems (i.e. One >>end of the telephone line is plugged into The PC's >>modem, and the other end is plugged into The Laptop's >>modem directly), and let them do the same function as >>two serial ports and a null modem can do? If it is, >>How to achieve that? > > > You'd need phone exchange to do this. Most modems will not talk using > simple cable. With 12V power supply and resistor phone exchange is > quite easy to emulate, but... > Pavel
I've tried it with 2 older Microcom modems and a piece of cable and it worked. Opened terminal on both sides, wrote ATDT123 (or any number you like) and ATA on the other. But if the laptop modem is a software modem, this will not work.
-- Ondrej Zary - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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