websters new world telecom dictionary phần 3 pdf

... 1.544 30 2.048 1C 48 3. 152 2 96 6 .31 2 6 .31 2 120 8.448 7.786 3 480 34 .36 8 32 .064 672 44. 736 3C 1 ,34 4 91.0 53 4 1,440 97.728 1,920 139 .268 4, 032 274.176 5 5,760 400 .35 2 7,680 565.148 565.148 6 30 ,720 ... (DAMA) See DAMA. Skew = t – t t t t t 1 2 3 4 4 1 dedicated circuit 130 74570c04.qxd 9/11/07 12:19 PM Page 130 do not disturb (DND) A feature of voice telecommunica...

Ngày tải lên: 14/08/2014, 09:20

... NARTE National Association of Radio and Telecommunications Engineers 167 Village Street Medway, MA 020 53 Tel: 508. 533 . 833 3 or 800.896.27 83 Fax: 508. 533 .38 15 www.narte.org NARUC National Association ... 800.759. 030 0 Fax: 7 03. 836 .1608 www.pcia.com PCMCIA Personal Computer Memory Card International Association 2 635 North First Street, Suite 218 San Jose, CA 95 134 Tel: 408. 4...

Ngày tải lên: 14/08/2014, 09:20

... Universal Mobile Telecommunications System (UMTS). For contact information, see Appendix A. See also 3G, EDGE, GPRS, GSM, standards, and UMTS. 3rd Generation Partnership Project (3GPP) See 3GPP. 3x In cellular ... better. Ray Horak 1500A East College Way, PMB 4 43 Mount Vernon,WA 982 73 United States of America ray@contextcorporation.com Tel: 36 0.428.5747 Fax: 36 0.416 .33 78 74570flast....

Ngày tải lên: 14/08/2014, 09:20

... (AT&T), a New York corporation. On December 30 , 1899, the last business day of the nineteenth century,AT&T became the new parent company.AT&T grew to become the largest company in the world, ... Updated in 1 930 , Baudot is limited to 32 (2 5 ) characters. Considering that each bit has two possible states (1 or 0), 5 bits in sequence yield 2 5 (32 ) possible combinations....

Ngày tải lên: 14/08/2014, 09:20

... E -3. Table E -3: European Digital Hierarchy: E-Carrier E-carrier Level Data Rate (Mbps) Number of 64 kbps Channels (DS-0s) Number of E-1s E-1 2.048 30 1 E-2 8.448 120 4 E -3 34 .36 8 480 16 E-4 139 .268 ... a Fabry-Perot laser operating at a nominal wavelength of 131 0 nm might also emit weaker signals at wave- lengths ranging from 130 7– 131 3 nm.This spectral width causes some amount of...

Ngày tải lên: 14/08/2014, 09:20

... Description I. 233 .2 ISDN frame switching bearer service I .31 1 B-ISDN General Network Aspects I .31 3 B-ISDN network requirements I .32 0 ISDN protocol reference model I .32 1 B-ISDN protocol reference model I .32 4 ... performance I .36 1 B-ISDN ATM Layer Specification I .36 2 B-ISDN ATM Adaptation Layer Functional Description I .36 3 B-ISDN ATM Adaptation Layer (AAL) Specification I .36...

Ngày tải lên: 14/08/2014, 09:20

... MPEG-2. .mp3 The file extension for audio data encoded in the Moving Picture Experts Group (MPEG) Audio Layer 3 format. See also MPEG -3. 32 1 .mp3 74570c 13. qxd 9/11/07 12:25 PM Page 32 1 MMR (Modified ... 1 1 0 0 1 0 0 1 1 1 0 Baseband Digital Signal Modulated MLT -3 Signal 31 3 MMF (MultiMode Fiber) 74570c 13. qxd 9/11/07 12:25 PM Page 31 3 and the International Electrotechnical Co...

Ngày tải lên: 14/08/2014, 09:20

... Rate OTU-1 2.666 Gbps OC-48/STM-16 2.488 Gbps OTU-2 10.709 Gbps OC-192/STM-64 9.9 53 Gbps OTU -3 43. 018 Gbps OC-768/STM-256 39 .8 13 Gbps G.709 also specifies an interface for 10 GbE clients, utilizing the ... backbone, blocking, and call center. NMT 900 (Nordic Mobile Telephone 900 MHz) 33 8 74570c14.qxd 9/11/07 12:26 PM Page 33 8 OTU (Optical Transport Unit) In an optical transport n...

Ngày tải lên: 14/08/2014, 09:20

... or time zone, based on the originating address (i.e., telephone +3V 0 -3V +3V 0 -3V +3V 0 -3V 1 cps, 1 Hz 2 cps, 2 Hz 3 cps, 3 Hz 1 second 441 single number dialing 74570c19.qxd 9/12/07 12:41 ... audio range of 3 kHz and equal or less than the lower limit of the infrared light range of 30 0 GHz.At the low end of the range is extremely low frequency (ELF) radio, which operates at 30 30...

Ngày tải lên: 14/08/2014, 09:20

... of data.The 1 3 22 23 24 1 2 2 3 22 23 24 Frame Frame 1 2 3 4 5 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 ... into a T3 using an M 13 multiplexer), and 3) prevent the appearance of the 0x7e flag character within an HDLC frame (4-zero suppression). See also bit, bit stream, bi...

Ngày tải lên: 14/08/2014, 09:20