Tööstuslik andmeside kontrolltöö 2 abimaterjal - vastused
STX, read frame contents look for ETX after ETX, transmitter can maintain synch by sending SYNs, NACKS2. Best-try/datagram (connectionless mode) frames in error are just replaced with 0x7D, followed by original octet XORed
otherwise receiver has to repeat hunt mode with new frame data transparency: same as with discarded (unacknowledgedservice) with 0x20 (00100000): · Multiple Access
asynchronous (DLE) > HDLC service modes implementation HDLC can provide connection- The three major components of PPP: Multiple nodes may share a transmission channel.
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