| 单词 | Table X-3: Select X Series Recommendations |
| 释义 | Table X-3: Select X Series Recommendations Recommendation Description X.3 Packet assembly/disassembly facility (PAD) in a public data network (PDN) X.20bis Use on public data networks (PDNs) of Data Terminal Equipment (DTE) designed for interfacing to asynchronous duplex V-Series modems X.21 Interface between Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) for synchronous operation on public data networks continued 74570c24.qxd 9/11/07 12:37 PM Page 552 |
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