Null-modem emulator Icon

Null-modem emulator

The virtual serial port driver for Windows.

4.6 Stars (84)
1,462 Downloads (This Week)
Last Update:
Download com0com-3.0.0.0-i386-and-x64-signed.zip
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Windows

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Description

The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. The HUB for communications (hub4com) allows to receive data and signals from one COM or TCP port, modify and send it to a number of other COM or TCP ports and vice versa.

Null-modem emulator Web Site

Features

  • com0com: baud rate emulation
  • com0com: pinouts customization
  • com0com: noised line emulation
  • com0com: paired port settings monitoring (baud rate, data bits, stop bits, parity)
  • com0com: hiding 'unavailable' ports from user
  • hup4com: spliting data from one serial device into several virtual serial ports
  • hup4com: redirecting serial to TCP/IP and TCP/IP to serial
  • hup4com: RFC2217 - Telnet Com Port Control Option (client and server)

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User Ratings

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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
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User Reviews

  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    It does not work!!! In Device Manager it does not show up in Ports(COM& LPT) and I have tried it on a few computers now

    Posted 06/20/2015
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Just like Martin I can't use it because the driver isn't signed. Great shame I've heard nothing but good about it.

    Posted 04/04/2014
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Just like Martin I can't use it because the driver isn't signed. Great shame I've heard nothing but good about it.

    Posted 04/04/2014
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Lack of a digital signature is a serious drawback, keeping me (and probably others) from use this software in a production system. As ReactOS team offers free driver signing service, there is no reason why the driver is not signed yet. Terms and conditions are listed on their "Driver Signing" wiki page.

    Posted 02/22/2013
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    com2tcp does not do true binary communications with the telnet filter. The recommended 0x0D padding feature only solves the problem in one direction.

    Posted 02/21/2013
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Additional Project Details

Intended Audience

Advanced End Users, Developers, Testers

Programming Language

C, C++

Registered

2005-01-24

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