DTE - Data Terminal Equipment - A computer to terminal that has a male serial port connector.RI - Ring Indicator - When the DCE device is a modem this signal is asserted when the telephone line is receiving a ringing signal.It is deasserted in the absence of an adequate answer tone. DCD - Carrier Detect - A modem will assert this signal during connection to a telephone.The modem has completed dialing and is generating an answer tone. The modem is connected to an off-hook, active telephone line. DSR - DCE Ready - The signal is asserted from a modem if these conditions are met:.This signal, as well as the RTS, are often used as handshaking signals. CTS - Clear to Send - The DCE asserts this signal to tell the DTE device that data transmission can begin.OUT2 - Use this signal to control interrupt servicing of the UART.OUT1 - Specialized hardware makes use of this signal and its meaning is determined by the specific piece of equipment.DTR - DTE Ready - This signal is asserted by the DTE device when it is ready to open a communication channel.RTS - Request to Send - This signal will have a positive voltage and is asserted in order to prepare the DCE device to accept data transmitted from the DTE device.This information is important if you are creating custom pinouts. Select one of the signal lines that will be used from the “IN side of the pair” list and check the corresponding checkboxes on the OUT side.įinally, here is an overview of the terms required to understand the signals lines and their functionality.Choose the virtual serial port pair that will be customized.Switch to the “Custom pinout” tab in VSPD.Loopback mode - this pinout preset employs an RS232 null modem scheme with loop back handshaking.Ĭustom Pinouts - here you can select the pinout of signal lines that you want and save it for future use.Ĭreating a custom pinout entails following these steps. This pinout implements a standard RS232 null-modem scheme with partial handshaking. Standard - uses the default signal line pinout. Virtual Serial Port driver offers three different custom pinout presets.

The pinouts determine how a serial port’s signal lines are connected. There may be times that you need to employ custom pinouts when interacting with certain devices or applications. Advanced serial port settings and custom pinouts This will delete all ports even if they are currently opened by other applications. To accomplish this, do not choose a virtual port pair, and when in the “Manage ports” tab, select the “Delete all” option. The same procedure can be used to delete all virtual ports at once. Both ports must be closed in order to delete them. Single-click the virtual port pair to be deleted in Serial Port Explorer.You can easily delete the virtual ports from your system by following these simple steps: You can repeat these steps to create any number of virtual port pairs. You now have a pair of virtual serial ports which can be displayed in your Windows Device Manager. This option works well with RDP sessions, enabling you to use the same port name in each session. Check the 'Create only for current user session' option if you want the virtual ports to be available only for the current session.Make sure that any programs you intend to use with these ports can handle the custom names. Custom names are not limited to the COMx format, but you cannot use a port name that is already in use by your system. You can also enter custom names manually if you desire. Click 'Add a new pair' and choose the virtual serial ports you wish to use from the drop-down list.Select the 'Pair' tab in the app’s main window.

That’s probably why you downloaded this app in the first place, so here we go. After downloading the program, install and launch it.įirst, let’s look at how to add a pair of virtual serial ports.

In order to give your computer access to serial devices and applications without any physical serial interfaces, you should take advantage of the free download available for Virtual Serial Port Driver. In this article, we will show you how to configure virtual serial ports and take a look at the functions of various serial port settings and the information carried by the serial signal lines. There is a good chance that you have not worked with virtual serial ports before. Using VSPD enables you to interact with serial apps and devices despite your computer’s lack of serial interfaces. In most cases, the machine will not be equipped with a physical serial port. This software can be extremely valuable if you need to access serial devices from your new Windows 10 laptop. The ability to work with virtual serial ports is one of the most attractive features of Virtual Serial Port Driver (VSPD).

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