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HDB3 systems can be adversely impacted by ADSL systems in same cable binder ... as the signalling method for 2 Megabit/sec digital systems from exchange to ...
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B8ZS HDB3 B8ZS B8ZS 8 ... PowerPoint Digital-to-Digital Digital encoding decoding ...
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Example Simple Auto-test. PPI-AIS ... A 2 Mbit/s or 34 Mbit/s HDB3 signal has been detected on a tributary ... AIS has been detected internally in the pointer ...
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Lecture # 15 Computer Communication & Networks
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Weighting Decoder (Bit Encoder) Operational Amplifier. D/A Convertor with ... Compandors and non-linear encoders. Compression and expansion characteristics ...
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An ASK signal requires a minimum bandwidth equal to its baud rate. ... But because the baud rate and the bit rate are also the same for ASK, the bit rate is 5000 bps. ...
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Digital Data, Digital Signal Digital signal Discrete, discontinuous voltage pulses Each pulse is a signal element Binary data encoded into signal elements Unipolar ...
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... (Differential QPSK) Modulation Techniques(FSK) ... Phase shift keying (PSK) Data Encoding Analog data, Digital signals Pulse code modulation ...
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Line Coding Levy Olivia Nur, MT Line Coding Line coding merupakan metoda untuk merubah simbol dari sumber ke dalam bentuk lain untuk ditransmisikan Line coding ...
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... SDH/SONET The Hierarchical Network The Transmission Equipment Hierarchy SDH/SONET Bit Rates The SDH Add/Drop Operation The STS-1 Frame (52 Mbps) ...
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Title: FMX 12/4 Subject: FMX 12/4 Last modified by: Edik Created Date: 4/11/1997 10:47:34 AM Document presentation format: A4 (210x297 ...
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Title: Slide 1 Last modified by: Chuck Klein Created Date: 1/2/2003 10:41:06 PM Document presentation format: On-screen Show Company: The Ohio State University
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Title: Training Author: LeidyKe Last modified by: LeidyKe Created Date: 1/3/2003 9:53:26 PM Document presentation format: On-screen Show Company: Northrop Grumman ...
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... Traditional Configurations Interfacing Data processing devices (or data terminal equipment, DTE) do not ... Good for data with large gaps (keyboard) ...
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Cap tulo 5 Codificaci n 4-PSK Figura 5-32 WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998 Constelaci n 4-PSK Figura 5-33 WCB/McGraw-Hill The McGraw-Hill ...
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Title: Presentaci n de PowerPoint Author: CHARLO GONZALEZ Last modified by: Charlo G Created Date: 3/17/2000 2:14:18 AM Document presentation format
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Title: Presentaci n de PowerPoint Author: CHARLO GONZALEZ Last modified by: Charlo Gonzalez Created Date: 3/17/2000 2:14:18 AM Document presentation format
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The front panel LEDs provide the following indications: L1- E3 LOS. L2- E3 Sync / Alarm ... LEDs 10Base-T & 100Base-TX Activity, Full / half duplex. ...
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Title: Codificaci n y modulaci n digital Author: Inocente S nchez Ciudad Last modified by: rea de Tecnolog a y Comunicaciones Created Date
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Date Network Support Content 1. Integrated Services Digital Network (ISDN) 2. Asymmetric Digital Subscriber Line (ADSL) 3. X.25 and Frame Relay 4.
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Business Telecommunications Data and Computer Communications Chapter 6 The Data Communications Interface
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The line coding technique affect the properties of the transmitted signal ... transmitted signal has non-zero mean, so the channel must be able to pass dc. ...
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Title: CIS 267 - Business Telecommunications Author: Vaughn L. Lucas Last modified by: xcyang Created Date: 5/28/1995 4:36:34 PM Document presentation format
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Title: Trame MIC Author: MP Perrenot Last modified by: RESPECI Created Date: 2/20/1996 10:27:58 AM Document presentation format: Personnalis Other titles
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Line Coding Acknowledgments: I would like to thank Wg Cdr (retd) Ramzan for his time and guidance which were very helpful in planning and preparing this lecture.
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... and Management Software User Selectable Internal, External and Loop-timed clock synchronization priority options Local and remote loopback facility. System ...
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Chapter 4. Digital Transmission Digital-to-Digital Conversion Analog-to-Digital Conversion Transmission Mode Digital-to-Digital Conversion Signal Element and Data ...
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In this section, we see how we can represent digital data by using ... Requires a codec (encoder/decoder) Allows use of digital telephony, voice mail. 4.5 ...
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Midbit transition is only for clocking. Transition at beginning of bit period=0. Transition absent at beginning=1. Has added advantage of differential encoding ...
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Cheap. Overhead of 2 or 3 bits per char (~20%) Good for data with large gaps (keyboard) ... Cables terminate in matching connectors with 8 contacts ...
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All modulation techniques involve operation on one or more of the three fundamental frequency domain parameters: amplitude, frequency, and phase.
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used on low speed links, e.g. serial ports. Problems: ... used for 10Mbps ethernet over coax and twisted pair ... not used with twisted pair due to high ...
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VCL-MX Version 6 DXC 80 E1, 160Mbps Digital Access Cross Connect Switch Product Overview Scalable: May be used in configurations ranging from 8 E1 Ports to 80 E1 Ports.
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Format used by the communication hardware (analog/digital) 4 possible combinations ... Terminology. Data rate (bps) Baud rate, 'modulation rate' (signal elements/sec) ...
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... directions separated into two wire pairs; regenerator distances 1,8 to 2,4 km ... REG Regenerator for HDSL. RPS Remote power supply for HDSL ...
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Se debe definir cuidadosamente en cada punto de conexi n entre los dispositivos: ... 127 Dispositivos usando Hubs. Plug and Play. ...
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Baud rate: No. of signal units per second. Highly susceptible to noise interference. ... Nbaud : Baud rate No. of bits per second. d: A factor related to the ...
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A high speed digital communications link. that enables the transmission of voice, data, ... New Technologies. Embedded overhead channels (EOC) for management messages ...
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Multiplexer scans input lines and collects data until frame full ... In asynchronous TDM, if we have n input lines, the frame contains m slots, with m less than n. ...
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Data Conversion Methods Sending data from one place to the next Transform data into signals Formats of source vs. medium Format of the original data (analog/digital)
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Redes 3 curso Ingenier a T cnica en Inform tica de Sistemas UNED Sesi n 3 Se ales Codificaci n y Modulaci n Se ales Se ales Anal gicas vs. Digitales ...
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Digital Data Communications Techniques Ir. Hary Nugroho MT.
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CRYPTAGE D IMAGES : robustesse la compression William PUECH Contexte Transfert s curis d images. Syst mes de gestion de base de donn es images distribu es.
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COE 341: Data & Computer Communications (T081) Dr. Marwan Abu-Amara Chapter 5: Data Encoding Encoding and Modulation Techniques Digital & Analog Signaling Digital ...
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Multiplexaci n por divisi n en el tiempo. Por un cable podemos transmitir una se al, a no ser que usemos la multiplexaci n. Multiplexaci n: compartir un medio de ...
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Data encoded as presence or absence of signal transition at beginning of bit time ... state system. Essentially QPSK. Four level ASK. Combined stream in one of ...
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PRINCIPLES OF xDSL Topics Line codes xDSL technologies HDSL reference configuration Line coding Principle of HDSL Transmission Cable section for HDSL Attainable ...
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Even the natives have difficulty mastering this peculiar vocabulary ... unipolar. polar. data rate. duration or length of a bit. modulation rate. mark and space ...
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The Data Communications Interface. Asynchronous and ... Computer and terminals, local area network. Half duplex. Only one station may transmit at a time ...
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The extension of digital links to network subscribers is essential part of ... signal is optically split onto a umber of fibers going to the individual subscribers. ...
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ADSL. Link between subscriber and network. Local loop. Uses currently ... ADSL Design. Asymmetric. Greater capacity ... ADSL Channel Configuration ...
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Si a los bits de la cadena de informaci n los tomamos de a dos, tendremos 10 | 11 | 01 | 00 | 10 | 01 O sea que al tomar los bits de a dos de una se al binaria ...
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In complex transmission layouts it is easy to lose sense of polarity ... If octet of all zeros and last voltage pulse preceding was negative encode as 000- 0 ...
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