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Forum : Action Games
Section : Hardware Q&A
Subject : Modem Direct Connection […]
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Forum : Action Games
Section : Hardware Q&A
Subject : Modem Direct Connection
To : ALL
From : Rich Nagel/Assoc. Sysop [72672,1450]
Created : 02-Apr-1998 , 03:20:00
Message ID : 264609
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Hi Folks,
Has anyone ever experimented with connecting two PCs together via modem with only a phone wire connecting the two line jacks together? I've been playing around with this with some decent results. You take any phone cable, connect the line jacks of the modems together, go into any communications program and type:
ATZ (on both PCs, you may have to do this a few times to get the modems to respond)
ATX1 (issues a Hayes command that causes the modems to dial and answer without actually having to detect a dial tone or a ring)
Then, on one PC type:
ATD
and on the other PC type:
ATA
in that order. Note that you may have to type ATA a few times if the first attempt at handshaking isn't successful. If all goes well you'll have a direct modem to modem link 😀
I have tried this numerous times with success and have been able to send files back and forth. I also have even been able to connect Doom, Duke Nukem 3D, Falcon 3.0, FlightSim 4.0b, and Terminal Velocity like this using a communications program that will allow you to exit it and still hold the carrier. After establishing the carrier, exit the communications program (like I said, it has to be one that will hold a carrier after exiting it), then (using Doom as an example) start up the Death Manager and select "Already Connected". Works like a champ everytime 😀) Talk about a clean connection <G>.
I have even tried this with the two modems in question connected to the regular (single) house phone line. Keep in mind, this will tie up the phone line, but the connect still works. The modems seem to ignore the droning dial tone (and then, the "beep-beep-beep-beep" like you get when you have left a phone off the hook), and hold the connection. I guess the newer error correction modems just filter out these signals.
BTW, this works in Windows, but in Windows 9x you'll prolly have to restart in DOS mode in order to connect to play any DOS multiplayer game.
Have fun!
Rich Nagel/Assoc. Sysop
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