1. Virtual Null Modem 2.0.1 Size: 1129 Kb, License: Shareware, Language: ENG Null-modem cable is basically used for communication of two RS-232 "DTE" devices with each other. To create null-modem connection between the devices you need to use two computers or two serial ports of a single computer connected with null-modem cable. The both methods described above are... Today downloaded: 0 times, Total downloaded: 119 times, Last update: 29.7.2005, Users vote: