1 - In a bus network, all nodes connecting to it like branches of a common thread. Each node has a unique address. The network card installed on a node, which can be another PC, a file server or a print server, make sure that no other signal is being transmitted through the network. Then sends a message to other peripheral through a transceiver (transceiver). Each node has its own transceiver.
2 - The transceiver broadcasts the message in all directions so that it reaches all other nodes in the network. The message includes the addresses of the source and the destination, the packet error checking and data itself.
3 - Each bus node checks the address information contained in the message. The nodes to which the message was not addressed to ignore. ignore it.
4 - When a node detects its own address in the message, it reads the data, checks for errors and sends a signal to outfall, using the address of the messenger included as part of the message.
5 - When two nodes send a message simultaneously, a collision of the two messages creates a form of interference recognizable electric bus that passes through and is detected by the emissaries.
6 - The first emissary to detect collision sends a special signal that confuses the network so that we all know that the network is blocked. The transmissions of the other nodes are suspended and each node waits a certain amount of time before attempting to resend the message. The process is repeated until one of us please send your message without finding message from another node.
Source: Evolution of Computers
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