| 000 | 01369nam a2200265Ia 4500 | ||
|---|---|---|---|
| 999 |
_c2262 _d2262 |
||
| 003 | OSt | ||
| 005 | 20210512144909.0 | ||
| 008 | 160928s1987 -usa fr |||0 0 eng d | ||
| 020 | _a1 55851 485 6 | ||
| 040 |
_apeliigp _bspa _cpeliigp |
||
| 041 | _aeng | ||
| 082 | 0 | 4 |
_221 _a621.39/H76 |
| 100 | 1 |
_aHorak, Ray _4autor _93537 |
|
| 245 | 1 | 0 |
_aCommunications systems and networks: _bvoice, data, and broadband technologies |
| 260 |
_bM & T Books., A division of MIS Press Inc., _aNew York: _c1997 |
||
| 300 |
_a470 páginas: _bIlustraciones; _c23 cm |
||
| 500 | _aIncluye índice: páginas 477-486 | ||
| 505 | _a1. Communications systems and networks -- 2. Fundamentals of the technology: Concepts and definitions -- 3. Fundamentals of transmission systems: Technologies and applications -- 4. Voice communications systems: PBX, ACD, Centrex, and KTS -- 5. Messaging systems: Facsimile, voice processing and electronic mail -- 6. Public switched telephone network (PSTN) -- 7. Fundamentals of data communications -- 8. Conventional public data networks (PDNs) -- 9. Local area networks: connectivity and internetworking -- 10. Broadband network infrastructure | ||
| 650 | 1 | 4 |
_aSISTEMAS DE COMUNICACIÓN _91894 |
| 650 | 2 | 4 |
_aREDES INFORMÁTICAS _91840 |
| 650 | 2 | 4 |
_aTELECOMUNICACIONES _92529 |
| 700 | 1 |
_93536 _aMiller, Mark A. _eautor |
|
| 910 | _aslz | ||
| 942 |
_cBK _2ddc |
||