We often use Asynchronous transmission (Communication) regularly. This post discuss its characteristics, data flow process, advantages and disadvantages including its difference compared to Synchronous transmission. As the name suggests, Asynchronous transmission is a Data transmission process in which data signals can be sent and received intermittently. It is a physical layer data communication method which […]
modem
Null Modem cable
Null Modem Cable. A null modem cable is a form of RS-232 standard where the transmit and receive lines are cross linked. Normally a straight through serial cable is used with this kind of adapter. The adapter is pre configured with the necessary cross links. In some cables, handshake lines are also cross linked. The […]