Basically Parellel is sending 8 bits at a time and serial is sending one. There is some overhead in the parallel port which results in an aproximate 5x faster connection for parallel as compared to serial.
The data rate used on parellel port comminications is typically tens of kilobytes to few hundred kilobytes per second.
In serial, asynchronous data transfer the individual bits which comprise each data byte are sent one after the other over a single line. There is one wire for data transmitting and one for data reception. In addition this there are several status/handshake lines. In this context, asynchronous means that the clock information is not included with the transmission, so that frequent re-synchronization using start/stop bits is required.
Hope this will provide you the basic difference between the two.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.