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Topic: Serial port


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In the News (Fri 27 Nov 09)

  
  Serial Port   (Site not responding. Last check: 2007-10-22)
The 25-pin serial port is nearly a thing of the past, having been replaced by the 9-pin serial, and more recently, by the USB connector.
The 9-pin serial port is still very commonly used for connecting many peripherals, in spite of the increasing popularity of the USB interface.
The trusty old 9 pin serial port is considered by many to be a part of the past (known as the 'Legacy' period), and is an expense the PC manufacturers would like to, and largely have, eliminated.
www.pcabcs.com /realtour/serial_port.htm   (342 words)

  
 Serial ATA
Port multipliers are silicon-based devices that allow a single Serial ATA port to communicate with multiple drives.
Port multipliers typically reside on an enclosure’s backplane and are transparent to the drives.
A port multiplier is a silicon-based unidirectional fan-out device, typically residing on an enclosure’s backplane.
www.sata-io.org /portmultiplier.asp   (784 words)

  
 Serial port - Wikipedia, the free encyclopedia
Presence of a D-subminiature connector is neither necessary nor sufficient to indicate use of a serial port.
Serial ports use two-level (binary) signalling, so the data rate in bits per second is equal to the symbol rate in baud.
Virtual serial port emulation can be useful in case there is a lack of available physical serial ports or they do not meet the current requirements.
en.wikipedia.org /wiki/Serial_port   (1664 words)

  
 Introduction to RS232 Serial Communications
Parallel ports are typically used to connect a PC to a printer and are rarely used for much else.
The serial port on your PC is a full-duplex device meaning that it can send and receive data at the same time.
Serial ports use both 9 and 25 pins, many devices can be configured as either DTE or DCE, and - as in the case of many data collection devices - may use completely non-standard or proprietary pin-outs.
www.taltech.com /TALtech_web/resources/intro-sc.html   (2595 words)

  
 Serial port and com port help
The serial port is an Asynchronous port which transmits one bit of data at a time, usually connecting to the UART Chip.
Serial Ports are commonly found on the majority of PC Compatible computers.
Each serial connector generally has two screws measuring.3 cm to allow the serial connection to be securely connected to the back of the computer.
www.computerhope.com /help/serial.htm   (512 words)

  
 Using the Serial Port with a MATLAB GUI
The serial port on the back of the DSP box can be used to transmit data between the DSP and the PC during real-time operation.
The serial port is connected to a data buffer which holds values coming from the DSP until they are read.
Since the serial port only outputs single bytes at a time, the max integer that can be acquired is 255 and the min is 0.
cnx.org /content/m12062/latest   (2895 words)

  
 K3CCDTools - Serial Port Settings
USB to Serial Port adapter is compatible with standard serial port only on software level, but it is sufficient for using this adapter with K3CCDTools.
Another problem of serial port is that output levels of serial ports are -12V and +12V, while parallel port has 0V and 5V.
There are several ways of converting serial port signals to the levels of parallel port signals.
www.pk3.org /Astro/k3ccdtools_serial_port_adapter.htm   (367 words)

  
 Howstuffworks "How Serial Ports Work"
Considered to be one of the most basic external connections to a computer, the serial port has been an integral part of most computers for more than 20 years.
Although many of the newer systems have done away with the serial port completely in favor of USB connections, most modems still use the serial port, as do some printers, PDAs and digital cameras.
Essentially, serial ports provide a standard connector and protocol to let you attach devices, such as modems, to your computer.
electronics.howstuffworks.com /serial-port.htm   (180 words)

  
 Serial Port Communication
Serial communication is a popular means of transmitting data between a computer and a peripheral device such as a programmable instrument or even another computer.
Serial communication uses a transmitter to send data, one bit at a time, over a single communication line to a receiver.
Serial communication is popular because most computers have one or more serial ports, so no extra hardware is needed other than a cable to connect the instrument to the computer or two computers together.
cnx.org /content/m12293/latest   (1365 words)

  
 Interfacing The Serial / RS-232 Port
The serial port transmits a '1' as -3 to -25 volts and a '0' as +3 to +25 volts where as a parallel port transmits a '0' as 0v and a '1' as 5v.
Therefore the serial port can have a maximum swing of 50V compared to the parallel port which has a maximum swing of 5 Volts.
Serial Ports come in two "sizes", There are the D-Type 25 pin connector and the D-Type 9 pin connector both of which are male on the back of the PC, thus you will require a female connector on your device.
www.beyondlogic.org /serial/serial.htm   (4765 words)

  
 Serial Links using RS-232 and RS-485
Loop-back.com is one of many sources for the pinout for the null-modem cable you'll need to connect two PCs' serial ports.
I2CChip.com's BL232 is an IC that converts between asynchronous serial and I2C.
Serial Player enables recording and playback of data from serial ports.
www.lvr.com /serport.htm   (1490 words)

  
 Serial Port Alternatives
A second solution to the "lack of serial port on a computer" problem is to use a Serial-To-Ethernet adaptor.
This device emulates a serial port and is connected to the telescope serial cable.
For Bluetooth serial adaptors that require hardware handshaking, connect pins 7 and 8 on the DB9 connector of your telescope cable.
www.bisque.com /help/theskyV6/Telescope/USB_Ports.htm   (1397 words)

  
 What is serial port? - A Word Definition From the Webopedia Computer Dictionary   (Site not responding. Last check: 2007-10-22)
A port, or interface, that can be used for serial communication, in which only 1 bit is transmitted at a time.
A serial port is a general-purpose interface that can be used for almost any type of device, including modems, mice, and printers (although most printers are connected to a parallel port).
This article, from August 1996, describes serial ports, introduces the most general and least expensive ISDN equipment, and provides an outline of the steps to exploit this new service.
www.webopedia.com /TERM/s/serial_port.html   (277 words)

  
 NSLU2-Linux - HowTo / AddASerialPort browse
Interface to peripherals with RS232 ports - though a better alternative for this is normally to use one of the NSLU2's USB ports and a USB2Serial cable.
Most (if not all) of these cables are nothing more than an USB to serial port adapter, and as most mobile phone today are using 3.3V anyway they already have the right signal levels.
Problem can occur if the serial port is shifted to a connector at the back of the slug...
www.nslu2-linux.org /wiki/HowTo/AddASerialPort   (1799 words)

  
 Serial Programming Guide for POSIX Operating Systems - Michael R Sweet
This chapter introduces serial communications, RS-232 and other standards that are used on most computers as well as how to access a serial port from a C program.
In Chapter 2, Configuring the Serial Port we used the tcgetattr and tcsetattr functions to configure the serial port.
This can be useful when polling a serial port for data, as your program can determine the number of bytes in the input buffer before attempting a read.
www.easysw.com /~mike/serial/serial.html   (8488 words)

  
 Serial Port - OESF
The "Sharp I/O" port at the base of the Zaurus is a serial port.
The result is a serial cable that I can attach to my cell phone to get email, enter the commands to start the PPP session on the keyboard, and charge the unit at the same time, that doesn't look like a hack job.
Further investigation revealed that the Z was outputting 3.3 volts on its transmit data line when it was powered off or when the serial port was not in use, and 0 volts when the serial port was active.
www.oesf.org /index.php?title=Serial_Port   (2933 words)

  
 Serial port, RS232 and RS485 software and shareware developer tools | AGG Software
You can use this program as serial port and RS232 sniffer (spy) and store all data, that received from RS232 interface to file.
Virtual Null Modem is an utility, which purpose is to emulate one or more RS232 serial ports connected via virtual null-modem cable.
It is very useful if you have many serial ports and serial port types in your PC.
www.aggsoft.com   (1012 words)

  
 Serial Port Control - Serial Port ActiveX - Access Serial Port   (Site not responding. Last check: 2007-10-22)
Serial Port Control is easy to use ActiveX object intended for simplification serial port communication tasks in your projects.
Drop a Serial Port Control on a form in any ActiveX enabled development environment and compare this to writing thousands of lines of code.
Virtual Serial Port Control v2.2.7 has been released.
www.serial-port-control.com   (228 words)

  
 Virtual Serial Port Kit - RS232 Serial Port Driver - Virtual Serial Driver   (Site not responding. Last check: 2007-10-22)
You can transfer any data between applications using virtual serial ports as if they were real serial ports.
Virtual serial port pairs look and work exactly like real hardware serial ports connected via null-modem cable.
Share dataflow of one serial port between several applications or join dataflow of several serial port devices to one application.
www.virtual-serial-port.com   (310 words)

  
 Serial Port - wikiPodLinux
The remote control data is sent via a serial protocol (see Apple Accessory Protocol).
To create a serial connector you could simply use an existing remote cable (although note that the serial RxD line is not connected on the standard Apple cable).
Even if the serial cable you have got seems to fit just fine between your PC and your PodConsole adapter, it still does not mean you have the send and receive lines right: They have to be crossed (that is: pins 2 and 3 on a DB-9 connector).
www.ipodlinux.org /Serial_Port   (599 words)

  
 Virtual Serial Port - franson.com   (Site not responding. Last check: 2007-10-22)
A virtual serial port is a serial port that Windows thinks is a real serial port, but it is instead controlled by an application.
It can typically be used to emulate hardware, which normally is connected to a serial port.
Other 3rd party applications can connect to this serial port and believe it is a normal physical port.
franson.com /virtual-serial-port   (199 words)

  
 Adding a Serial Port   (Site not responding. Last check: 2007-10-22)
A virtual serial port can be configured in several ways.
This is useful, for example, if you want to capture the data that a program running in the virtual machine sends to the virtual serial port, or if you need a quick way to transfer a file from the guest to the host.
If you are connecting two virtual machines, you must configure a serial port as a named pipe in two virtual machines: a server virtual machine and a client virtual machine.
www.vmware.com /support/vc13/doc/c14addserialport25.html   (631 words)

  
 Serial Port Complete, Programming and Circuits for RS-232 and RS-485 Links and Networks, by Jan Axelson
Serial Port Complete, Programming and Circuits for RS-232 and RS-485 Links and Networks, by Jan Axelson
Nevertheless, despite their broad appeal, Parallel Port Complete and Serial Port Complete are far from watered-down pablum.
If you plan to use a serial port in any sort of application, buy this book.
www.lvr.com /spc.htm   (502 words)

  
 USPP - Universal Serial Port Python Library
I started playing with it and saw that I could use it to make prototypes of comunication protocols between computer and microcontrollers really fast and easily than using C. At the same time, I was interested in working over different platforms.
but they were not multi-platform, were just a wrap of propietary libraries or were just simple examples of serial port access.
port the library to other platforms so that it can be really multi-platform.
balder.prohosting.com /ibarona/en/python/uspp/uspp_en.html   (676 words)

  
 Serial Port Secrets
The serial cable pins are fully populated so that a single cable provides the fundamentals for both a serial connection and a USB connection as well.
In addition to serial sync connections, I have found that the female nul modem wiring is already correct for many serial devices such as routers who's connectors are wired to use null modem cables.
With the advent of the 3800 series, HP/Compaq changed the sync connector on the bottom of their units to a similar, but smaller cable connector The new connector is not interchangable with the original 3600 series connector.
www.bevhoward.com /serial.htm   (5071 words)

  
 Serialio - Products - Serialport
Parallel ports are not nearly as universal as serial ports.
Classes for doing things like communicating with serial ports cannot be 100% pure; however, this does not mean that applications that use these classes cannot be 100% pure.
You can use serial ports on existing hardware, or plug in USB adaptors, or use serial ports via a LAN or wireless LAN (WAN) connection with devices such as the DevMaster.
www.serialio.com /products/serialport/serialport.htm   (1103 words)

  
 Serial Communications
The two serial ports of a Macintosh are mini-Din-8 connectors which are labeled with a telephone (the "modem port") and a printer ("printer port").
The new Connectix serial port camera is neat, but the sound is limited to 5kHz, which is not so good.
If anybody knows a serial port sound input solution that works for the PB150 I'd be more than glad to know about it and to write about it.
www.rdrop.com /~cary/html/serialportdocs.html   (15123 words)

  
 Serial Port Redirector - Serial IP - COM Port Redirector - Serial to Ethernet   (Site not responding. Last check: 2007-10-22)
Serial Port Redirector creates virtual serial ports and redirects all serial data to specified TCP-port of remote IP-address.
Any serial communications software can use these virtual COM ports, like usual hardware COM ports to send and receive serial data over a local network or the Internet.
Virtual serial ports look and work exactly like real hardware serial ports.
www.serial-port-redirector.com   (279 words)

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