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152:(packet-switching) network or host computer. It collects data from a group of terminals and places the data into X.25 packets (assembly). A PAD also does the reverse, it takes data packets from packet-switching network or host computer and returns them into a character stream that can be sent to the terminals (disassembly). A
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defines the DTE-C (asynchronous character mode) interface to a PAD, including the commands for making and clearing down connections, and manipulating the X.3 parameters. The commands were very crude, a bit like (but not at all compatible with) the
297:"X.29 : Procedures for the exchange of control information and user data between a Packet Assembly/Disassembly (PAD) facility and a packet mode DTE or another PAD"
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in the 1970s. Although not identical to Triple-X, Green Book is sufficiently similar to X.3 and X.29 that generally the two will interwork. Green Book also specifies
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defines the DTE-P (packet mode) interface to a PAD, i.e., how the PAD encapsulates characters and control information in X.25 packets.
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267:(SERC) also used ITP on SERCnet and continued developing ITP after EPSS, although it eventually gave way to Triple-X.
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specifies the parameters for terminal-handling functions such as line speed,
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EPSS (Experimental Packet
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27:"X.29" redirects here. For similarly named topics, see
144:is a communications device which provides multiple
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168:The structure of a PAD is defined by the
156:(FRAD) is a similar device for accessing
124:Learn how and when to remove this message
318:ITP: Protocols in the SERC/NERC Network"
265:Science and Engineering Research Council
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62:adding citations to reliable sources
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164:ITU-T (Triple-X PAD)
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204:Hayes command set
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56:Please help
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301:www.itu.int
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271:See also
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