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#1
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Question: IS a Null Modem Cable the same as a Laplink Cable?
Is a Null modem cable the same as a laplink cable?
If not, whats the difference? Thank you. Paul Want to Fix Something? http://www.manuals4you.com |
#2
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Previously Yikes!ItsIke wrote:
Is a Null modem cable the same as a laplink cable? If not, whats the difference? Haha, good question! Unfortunalely there is no correct answer. The problem is that there are different ways to connect the handshaking lines. All these can be called a "null-modem cable". All might be called a "laplink cable" by some vendor or other. If you use software hanshaking, all should work. With hardware handshaking, it depends. Easiest way is to try. Arno -- For email address: lastname AT tik DOT ee DOT ethz DOT ch GnuPG: ID:1E25338F FP:0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F "The more corrupt the state, the more numerous the laws" - Tacitus |
#3
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Hi Paul, Arno
On Sat, 25 Sep 2004 23:19:42 UTC, Arno Wagner wrote: Is a Null modem cable the same as a laplink cable? If not, whats the difference? Haha, good question! Unfortunalely there is no correct answer. The problem is that there are different ways to connect the handshaking lines. All these can be called a "null-modem cable". All might be called a "laplink cable" by some vendor or other. That comment is directed at SERIAL cables only I would say. The "Laplink cable" which was some defacto-standard years ago was actually a cable for the parallel port on PC's that implemented bi-directional capabilities using 4-bits in each direction. So, this is definately NOT the same thing or compatible with regular serial NULL-MODEM cables. (allthough the Laplink data-transfer program could use these as well :-) Laplink cables used to be available from computer stores, perhaps they still are. A wire diagram for such a cable can be found in the document at: http://www.dfsee.com/lptool/lptool.txt Which is the user-guide for a data-transfer utility I once made that uses that cable. Regards, JvW -- Jan van Wijk; Author of DFSee: http://www.dfsee.com |
#4
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Laplink Used Serial as well as parallel.
"Jan van Wijk" wrote in message news:W1d6fUB5m4qH-pn2-ddxrZ7nk4Wd5@merlin... Hi Paul, Arno On Sat, 25 Sep 2004 23:19:42 UTC, Arno Wagner wrote: Is a Null modem cable the same as a laplink cable? If not, whats the difference? Haha, good question! Unfortunalely there is no correct answer. The problem is that there are different ways to connect the handshaking lines. All these can be called a "null-modem cable". All might be called a "laplink cable" by some vendor or other. That comment is directed at SERIAL cables only I would say. The "Laplink cable" which was some defacto-standard years ago was actually a cable for the parallel port on PC's that implemented bi-directional capabilities using 4-bits in each direction. So, this is definately NOT the same thing or compatible with regular serial NULL-MODEM cables. (allthough the Laplink data-transfer program could use these as well :-) Laplink cables used to be available from computer stores, perhaps they still are. A wire diagram for such a cable can be found in the document at: http://www.dfsee.com/lptool/lptool.txt Which is the user-guide for a data-transfer utility I once made that uses that cable. Regards, JvW -- Jan van Wijk; Author of DFSee: http://www.dfsee.com |
#5
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Previously Falco wrote:
Laplink Used Serial as well as parallel. Yes, true. I completely forgot about the parallel variant. Arno "Jan van Wijk" wrote in message news:W1d6fUB5m4qH-pn2-ddxrZ7nk4Wd5@merlin... Hi Paul, Arno On Sat, 25 Sep 2004 23:19:42 UTC, Arno Wagner wrote: Is a Null modem cable the same as a laplink cable? If not, whats the difference? Haha, good question! Unfortunalely there is no correct answer. The problem is that there are different ways to connect the handshaking lines. All these can be called a "null-modem cable". All might be called a "laplink cable" by some vendor or other. That comment is directed at SERIAL cables only I would say. The "Laplink cable" which was some defacto-standard years ago was actually a cable for the parallel port on PC's that implemented bi-directional capabilities using 4-bits in each direction. So, this is definately NOT the same thing or compatible with regular serial NULL-MODEM cables. (allthough the Laplink data-transfer program could use these as well :-) Laplink cables used to be available from computer stores, perhaps they still are. A wire diagram for such a cable can be found in the document at: http://www.dfsee.com/lptool/lptool.txt Which is the user-guide for a data-transfer utility I once made that uses that cable. Regards, JvW -- Jan van Wijk; Author of DFSee: http://www.dfsee.com -- For email address: lastname AT tik DOT ee DOT ethz DOT ch GnuPG: ID:1E25338F FP:0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F "The more corrupt the state, the more numerous the laws" - Tacitus |
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