P
PABX: Private Automatic Branch Exchange.
pacing: A method of flow control in which the receiving terminal regulates the traffic rate from the sending terminal.
packet: A collection of bits which are grouped into a unit, containing user information as well as control information, such as the address of the destination, error control information, size of the packet, etc. Packets travel over a Packet Switched Network (PSN).
Packet Assembler-Disassembler (PAD): A device which enables equipment not designed for operating over a Packet Switched Network (PSN) (X.25 network) to do so. It takes a character stream, such as from asynchronous terminals, as in Figure P.1, and converts them into packets for transport over the PSN. At the other end this data ...
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