port replicator

Serial Port and Port: The serial port receives and sends one bit at a time, and the multiple data paths are sent or received simultaneously, and the port does not necessarily have a higher efficiency than the serial port; The name contains the meaning of the serial

The following is an example of Z-tek (USB2.0) to a serial adapter (model ZK-U03-2A): 1, according to the requirements of the installation of the adapter driver, "Device Manager/Port", you can find a "USB serial Port (COM4)", the following figure: 2, right click on "USB serial Port (COM4)", select "Properties", as shown: 3, select the "

Copyright NOTICE: This article is for bloggers original article, if need reprint please indicate source and author.This article by Xiao Li column original, reprint need to indicate the source: "http://blog.csdn.net/softwave/article/details/8907599"A recent project that requires Java to read a small pound of data in a pound room requires that Java be used to communicate with the serial port. Serial port Java

I am working on a plug-in recently.ProgramTo obtain data from other programs from the serial port, but the problem is that the serial port is exclusively used, that is, only one program can read or send data to the serial port. So how can I obtain the same serial port data from other programs without shutting down oth

PHP-made port sniffer--you can specify the website and port and return the sniff results. function Http_request ($server, $port) { $data = ""; $query = "head/http/1.0"; $fp = Fsockopen ($server, $port); if ($fp) { Fputs ($FP, $query. " Rnn "); while (!feof ($fp)) { $data. = Fread ($fp, 1000); } Fclose ($FP); } return $

Use the accelerator key win+r to open the Run window. Enter CMD return to open a command prompt window 1: View the port that is open for this machine, that is, the number of ports that have been occupied. Command: Netstat-an Partial results list: Proto Local Address Foreign TCP 0.0.0.0:135 0.0.0.0:0 Listening TCP 0.0.0.0:3473 0.0.0.0:0 Listening TCP 0.0.0.0:8009 0.0.0.0:0 Listening The local addresss corresponds to this column, ":" is the open

What is fracture The port is the entry for information flowing into the computer. For example, if a person sends a file, such as a photo, to you during instant messaging, Windows Firewall will ask if you want to cancel the request, to allow photos to reach your computer. Alternatively, if you want to play multiplayer online games with friends over the Internet, you can open a port for the game so that the f