Question: I need to access the management terminal of a hardware switch/router (e.g., Cisco Catalyst or HP ProCurve) via its console port. The switch console port is connected to the serial port of my Linux box. How can I connect to the serial port from a Linux terminal?

First of all, let's assume that you have already connected the serial port of your Linux box to a switch console port via a. To connect a Linux terminal to the serial port of your Linux system, you can use a command-line screen manager tool called screen. Install screen on Linux To install screen on Debian, Ubuntu or Linux Mint.

PHP (PHP HyperText Preprocessor) is a server side scripting language popular with website developers. Typically PHP is used to generate web pages by interrogating a database and files. However PHP can also be used to control and communicate with other devices. Contact Form In Html With Captcha Code For Php here.

This class can be used to communicate with a serial port under Linux or Windows. It takes the path (like '/dev/ttyS0' for linux or 'COM1' for windows) of serial device and checks whether it is valid before opening a connection to it. Once the connection is opened, it can send data to the serial port. Canon Printer Drivers Mac Os X 10.4. On Linux, all serial ports are driven the same way. Only their device nodes are changing to reflect the port type: i.MX processor internal ports.

This article explains how to configure PHP in order to send and receive data over a serial port on a unix system or a windows system. Prerequisites • PHP installed on your computer • An installed Brainboxes Serial port product Steps In Brief • Install PHP Direct IO extension • Configure PHP to use the extension • Use PHP file provided in the downloads • Open terminal program at other end of serial connection • Configure PHP file with correct local serial port settings • Go! Canon Ir1022a Scanner Driver.

In-depth Install PHP Direct IO PHP by default does not offer good COM port support however a PHP extension called Direct IO does offers low level access to IO. We will use this extension for serial port communication. On unix system install the extension using PECL, open a terminal and type: sudo pecl install dio-0.0.7 On windows download the latest php direct io extension dll from:. The dll file should be copied into your php_extension folder (often located in ext or lib phpext ) Configure PHP to use the extension Next the php.ini file needs to be updated to tell it to use the extension.

To the bottom of the php.ini file add the following. Unix: extension=dio.so Windows: extension=php_dio.dll Restart PHP Unix: commands vary, on mac for example: sudo apachectl restart Windows: restart IIS webserver, or WAMP server Use PHP file provided in the downloads Download the file about and place it in your web-servers root directory. Navigate to the file the a web browser to confirm that an error is not produced which tells you to install PHP Direct IO.

Open terminal program at other end of serial connection In order to test sending and receiving serial data in PHP, the other end of the serial port should be open. On a windows system we recommend using Putty and on Mac OSX CoolTerm (see for more details) to configure a serial for for transmitting and recieving data. We also recommend opening the other side of the serial connection in the terminal initially to confirm that data is definitely able to be sent and received across the connection. Configure PHP file with correct local serial port settings The sample script has some settings to be configured at the top, most importantly the port name. Windows the port name should be 'comX:' (X being the port number assigned name must be lower case and a colon at the end) this can be found by opening Device Manager. Unix systems the port name is '/dev/cu.usbserial-XXXXXXXXX' where 'X' is a randomly assigned id.