null modem การใช้

• The original online-game was played via modem or null modem serial connection.
• But those are almost certain to work given the null modem connecting cable.
• Null modems were commonly used for file transfer between computers, or remote operation.
• Network PCs using a null modem cable or LapLink cable.
• In many situations a straight-through serial cable is used, together with a null modem adapter.
• The game is also playable via null modem connection.
• A Laplink?cable can be seen as a parallel equivalent to a serial null modem cable.
• Windows up to XP supported null modems.
• :: In the old days ( 1990s ) we also sometimes would use a null modem cable.
• A null modem cable is a RS-232 serial cable where the transmit and receive lines are crosslinked.
• Under the Microsoft Windows operating system, the direct cable connection can be used over a null modem connection.
• Several wiring layouts are in use because the null modem connection is not covered by the RS-232 standard.
• Two such ptys may easily be linked together by an application to form a virtual null modem communication path.
• "' Null modem "'is a communication method to directly connect two printer, etc . ) using an RS-232 serial cable.
• The null modem is a computer communications adapter which may appear to be a gender changer, but it reroutes the wiring.
• The popularity and availability of faster information exchange systems such as Ethernet made the use of null modem cables less common.
• Gender changers and null modem cables are not mentioned in the standard, so there is no officially sanctioned design for them.
• An example of embedded systems that widely use null modems for remote monitoring include RTUs, device controllers, and smart sensing devices.
• The same software used with modems ( such as Procomm or Minicom ) could be used with the null modem connection.
• This is more than three times the standard null modem rate of 115.2Kbps and more than 10 times that of a 33.6Kbps.