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APÊNDICE     E

Normas e Padrões Internacionais

ETSI ETR 152, “Transmission and Multiplexing (TM); High Bit Rate Digital Subscriber Line (HDSL) Transmission System on Metallic Local Lines; HDSL Core Specification and Applications for 2048 kbit/s Based Access Digital Sections”

ITU-T G.821, “Error Performance of an International Digital Connection Forming Part of an Integrated Services Digital Network”

ITU-T G.826, “Error Performance Parameters and Objectives for International, Constant Bit Rate Digital Paths at or above the Primary Rate”

ITU-T G.823, “The Control of Jitter and Wander within Digital Networks Which Are Based on the 2048 kbit/s Hierarchy”

ITU-T G.703, “Physical/Electrical Characteristics of Hierarchical Digital Interfaces”

ITU-T G.704, “Synchronous Frame Structures Used at Primary and Secondary Hierarchical Levels”

ITU-T M.3400, “TMN Management Functions”

ITU-T K.20, “Resistibility of Telecommunication Switching Equipment to Overvoltages and Overcurrents”

ITU-T K.21, “Resistibility of Subscribers’ Terminals to Overvoltages and Overcurrents”

ITU-T V.10, “Electrical Characteristics for Unbalanced Double-Current Interchange Circuits Operating at Data Signalling Rates Nominally up to 100 kbit/s”

ITU-T V.11, “Electrical Characteristics for Balanced Double-Current Interchange Circuits Operating at Data Signalling Rates up to 10 Mbit/s”

ITU-T V.24, “List of Definitions for Interchange Circuits between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE)”

ITU-T V.28, “Electrical Characteristics for Unbalanced Double-Current Interchange Circuits”

ITU-T V.35, “Data Transmission at 48 kbit/s Using 60-108 kHz Group Band Circuits”

ITU-T V.36, “Modems for Synchronous Data Transmission Using 60-108 kHz Group Band Circuits”

ITU-T V.54, “Loop Test Devices for Modems”

ITU-T X.21, “Interface between Data Terminal Equipment and Data Circuit-Terminating Equipment for Synchronous Operation on Public Data Networks”

ITU-T X.24, “List of Definitions for Interchange Circuits between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) on Public Data Networks”

ITU-T X.150, “Principles of Maintenance Testing for Public Data Networks Using Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) Test Loops”

EN 60950, “Safety of Information Technology Equipment Including Electrical Business Equipment”

EN 55022, “Grenzwerte und Messverfahren für Funkstörungen von informationstech-nischen Einrichtungen”

ETS 300 019, “Equipment Engineering; Environmental Conditions and Environmental Tests for Telecommunications Equipment”

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