Virtual Null Modem - Two virtual serial ports connected with each other via virtual null modem cable. What problems can be solved with Virtual Null Modem? A null modem is bascially a cable to connect two serial ports to each other. Normally you need two computers or two physical ports on one computer to achive this. Using Virtual Null Modem software you can emulate the null modem and run the two applications on the same computer without any additional hardware. Example: You can create two virtual serial ports: COM1. COM1. 2 and connect two different applications to them. Create virtual serial ports and virtual null-modem cables. Control them directly from your application via developer API. WTI SSHv2 Remote Site Manager with Internal Modem, 16-Port DB9, SSHv2, Telnet, RS-232, 100/240V AC. Null modem is a communication method to directly connect two DTEs (computer, terminal, printer, etc.) using an RS-232 serial cable. The name stems from the historical. Everything, that application #1 will send to COM1. COM1. 2, and all that application #2 sends to COM1. COM1. 0. Virtual Null Modem is ready! The program will ask you about creating a new null modem device. You should click the . Now, your virtual serial ports are ready. Works great! Creating, installing and removing of virtual serial ports occurs at real time; No borders. ![]() How to get RS232 communications working between your computer and measuring device: RS232 pin connections, testing, serial port notes, handshaking. You can create any number of virtual serial port pairs with various shematics (with handshake, without handshake, with parial handshake etc); Virtual serial ports is fully independent. Any other hardware or virtual serial ports are not used or occupied. You even can have no serial ports in your system; 9. Other applications will never see the difference between real serial port and virtual serial ports, created by Virtual Null Modem software; Perfomance. The link between two virtual serial ports is faster then real null- modem cable connection and depends on your computer system speed; Hardware reliability. The virtual link is much more reliable than common physical link; Software reliability. Our drivers for virtual serial ports had been tested with the verifier under Windows XP SP2 and with Microsoft HCT 1. Hi- tech. Virtual Null Modem uses kernel driver technology and supports: WDM, WMI, Power Management, PNP, etc.; Easy- to- use. Virtual Null Modem software has a simple, menu- driven step by step set- up. Programming is not required to configure the software to configure virtual serial ports and virtual serial ports pairs; Additional features. If you are software developer, then you can configure each port to simulate a real- world data exchange with errors in data; Scalability and integrability. You can add, remove virtual null modems from your application by using a command line interface; On- line help. Press the F1 key at anytime and on- line help will appear providing concise and up to date documentation. Virtual Null Modem supplies a three cut down versions called Professional, Standard and Lite. Standard and Lite versions omit some of the advanced features found in the professional edition and is ideal for users who either want a low cost or free solution or are not interested in more advanced features. Virtual Serial Port Kit - Virtual Serial Port Control. Virtual Serial Port Kit allows creating a pair of virtual serial ports connected with virtual null- modem cable. The software provides null- modem connection between two serial communications applications. Communications software interacts with each other via virtual COM- ports in the same way as via hardware COM- ports connected with null- modem cables.
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