websters new world telecom dictionary phần 7 doc

... free-running, with some running at a slightly faster or slower pace. 377 plesiochronous 74 570 c16.qxd 9/11/ 07 12: 27 PM Page 377 PM 1. Phase Modulation. More commonly known as phase-shift keying ... topology, partial mesh, physical, ring, star, topology, tree, and WAN. photon 374 74 570 c16.qxd 9/11/ 07 12: 27 PM Page 374 plain text Data comprising standard characters (e.g., lett...

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websters new world telecom dictionary phần 9 doc

... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 479 TDM (Time-Division Multiplexing) 74 570 c20.qxd 9/12/ 07 12:44 AM Page 479 TWP ... UNE. Underwriters Laboratories (UL) See UL. undocumented feature A euphemism for bug. See bug. 5 07 undocumented feature 74 570 c21.qxd 9/11/ 07 12:36 PM Page 5 07 ... Transfer P...

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websters new world Telecom Dictionary phần 1 potx

... Bits) 74 570 cintro.qxd 9/11/ 07 12: 17 PM Page 15 To Margaret for whom my love is infinite and eternal 74 570 ffirs.qxd 9/11/ 07 12:14 PM Page v 74 570 flast.qxd 9/11/ 07 12: 17 PM Page xiv Telecom Dictionary TM ... (AWG) ADSL (Asymmetric Digital Subscriber Line) 24 74 570 c01.qxd 9/12/ 07 12:34 AM Page 24 Telecom Dictionary TM 74 570 flast.qxd 9/11/ 07 12: 17 PM Page xi...

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websters new world telecom dictionary phần 2 potx

... of failure. See also LAN, node, and Token Ring. 55 beaconing 74 570 c02.qxd 9/11/ 07 12:18 PM Page 55 74 570 c02.qxd 9/11/ 07 12:18 PM Page 76 bill only for airtime, regardless of whether calls are local ... seven (7) bits, so a byte is actually seven information bits, although the addition of a parity bit Bridge < 500 m < 2.5 km Terminator busy hour 74 74 570 c02.qxd 9/11/ 07...

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websters new world telecom dictionary phần 3 pdf

... 3.152 2 96 6.312 6.312 120 8.448 7. 786 3 480 34.368 32.064 672 44 .73 6 3C 1,344 91.053 4 1,440 97. 728 1,920 139.268 4,032 274 . 176 5 5 ,76 0 400.352 7, 680 565.148 565.148 6 30 ,72 0 2200.00 E-Carrier (Europe) T-Carrier ... virtually guaranteeing a collision. 1 17 CSMA (Carrier Sense Multiple Access) 74 570 c03.qxd 9/11/ 07 12:19 PM Page 1 17 Confederation of European Posts and Te...

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websters new world telecom dictionary phần 4 pps

... machine. fax-on-demand (FOD) See FOD. 179 fax-on-demand (FOD) 74 570 c06.qxd 9/11/ 07 12:21 PM Page 179 FOD (Fax-On-Demand) A system that enables a customer to request that a document be faxed back to him ... intrinsic loss, microbend, macrobend, optical fiber, signal, and splice. exchange 176 74 570 c05.qxd 9/11/ 07 12:20 PM Page 176 Frame Relay Forum (FRF) A not-for-profit special in...

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websters new world telecom dictionary phần 5 ppt

... responsibility of the World Wide Web Consor- tium (W3C). See also browser, hyperlink, IETF, SGML, W3C, and WWW. H Series 230 74 570 c08.qxd 9/11/ 07 12:22 PM Page 230 74 570 c09.qxd 9/11/ 07 12:22 PM Page ... relaying bearer service ISDN (Integrated Services Digital Network) 260 74 570 c09.qxd 9/11/ 07 12:22 PM Page 260 74 570 c08.qxd 9/11/ 07 12:22 PM Page 234 HDSL2 is an HDSL vari...

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websters new world telecom dictionary phần 6 pptx

... has an uninterruptible power supply (UPS) comprising multiple power 2 87 line powered 74 570 c12.qxd 9/11/ 07 12:25 PM Page 2 87 microprocessor An integrated circuit contained on a single silicon chip, ... Described in the IETF RFCs 177 7, LDAP can run as a standalone directory system or can be used as a means of accessing an X.500 directory or other directory. LDAPv3 (RFC 3 377 ) suppor...

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websters new world telecom dictionary phần 8 potx

... suppression. See also DSI, FDM, suppression, and TASI. side circuits 438 74 570 c19.qxd 9/12/ 07 12:41 AM Page 438 74 570 c 17. qxd 9/11/ 07 12: 27 PM Page 406 • Control: An eight-bit control field that identifies ... channel via Signaling System 7 (SS7). Note: The SS7 protocol limits the packet size to 140 octets, which translates to 160 ASCII 7- bit characters (140 × 8 = 1120 / 7...

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websters new world telecom dictionary phần 10 pdf

... 22 76 76 5 55 www.cern.ch CSA International Canadian Standards Association International 5060 Spectrum Way Mississauga, ONT L4W 5N6 Canada Tel: 416 .74 7.4000, or 800-463- 672 7 Fax: 416 .74 7.2 473 www.csa.ca DISA Data ... .000001550m 200,000,000km/s 4,000cycles/s = 50,000m wavelength 536 74 570 c23.qxd 9/11/ 07 12: 37 PM Page 536 74 570 c23.qxd 9/11/ 07 12: 37 PM Page 546 Table V-3...

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