"physicallayer" - 1 õppematerjal

Tööstuslik andmeside kontrolltöö 2 abimaterjal - vastused

km; propagation rate P = 200 m/sec.Then the minimum frame size required:MF = ((2*L)/P)*B = query frame, containing B's IP address­ all machines on LAN receive ARP query· 1518 B­ Simultaneous transmit/receive on same UTP pairs(full- passed. 200bits = 25 bytesDerivation of minimum frame length.Consider the first IEEE standard: 10base5 B receives ARP packet, replies to A with its (B's) physicallayer address duplex cables and switches): no collisions inbetween host and · Industrial Ethernet Ethernet:· Calculate geographical spanMaximum segment length = 500 mConcatenate segments by · A caches (saves) IP-to-physical address pairs untilinformation becomes old (times switch.> Twisted pair, Crossover cable Emergence of Industrial Ethernet in the new millennium: