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59705d30c263f43062be240082eadcb7 | 105 175-1 | 9.4 Sustainability requirements | R68 The equipment MUST : a. Minimize the number of used materials. b. Use recycled materials. c. Be manufactured with "lead-free" solder. d. Avoid using hazardous materials as per the RoHS Directive [1], with specific reference to PVC for coatings. R69 The equipment must be compliant with Code of Conduct for Broadband ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 1 Scope | The present document specifies the Terrestrial Trunked Radio system (TETRA) set B encryption algorithms TEA 5, 6 and 7. These algorithms are designed to meet the requirements set out in the requirements specification for the Additional TETRA Encryption Algorithm Suite [i.2]. The TETRA Air interface security function pr... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 2 References | |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 3 Definition of terms, symbols and abbreviations | |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 3.1 Terms | For the purposes of the present document, the following terms apply: Cipher Key (CK): value that is used to determine the transformation of plain text to cipher text in a cryptographic algorithm Initialization Vector (IV): sequence of symbols that randomize the KSG inside the encryption unit key stream: pseudo random s... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 3.2 Symbols | Void. |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: CK Cipher Key CKM Mode Key GF Galois Field IV Initialization Vector IVM Mode IV IVX eXpanded IV KSS Key Stream Segment ISI Inter System Interface KSG Key Stream Generator |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 4 TEA encryption Set B Algorithm specifications | |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 4.1 Input and Output Parameters | As specified in clause 8.3 of [i.2], the input parameters to the algorithm are: • an initialization vector IV consisting of 80 bits IV[0], …, IV[79]; • a cipher key CK consisting of 192 bits CK[0], …, CK[191]; ETSI ETSI TS 104 053-2 V1.2.1 (2025-02) 7 • the required length LENGTH of the key stream in bits. This can, ac... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5 TEA5 - Specification of the Algorithm | |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5.1 Introduction | In outline, the algorithm operates as follows: • the 80 bits of initialization vector IV, considered as 10 elements of the Galois field GF (28), are mixed using a 10-stage linear recursion over GF(28) to give 24 bytes which form a 192-bit mixed initialization vector IVX; • the cipher key CK and mixed initialization vec... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5.2 TEA5 IV Expansion | The 80-bit IV is expanded to a 192-bit mixed IV, IVX, as follows: • from the initialization vector bits IV[0], …, IV[79], form 10 bytes b[0], …, b[9], where b[i] = 27 IV[8×i] + 26 IV[8×i+1] + … + IV[8×i+7], for i = 0, …, 9; • for any bits B[0], …, B[7], the byte is identified as 27B[0] + 26 B[1] + … + B[7] with the ele... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5.3 TEA5 Derivation of the Mode Key and Mode IV | The Mode Key consists of 192 bits CKM[0], …, CKM[191] and the Mode IV consists of 192 bits IVM[0], …, IVM[191]. An 8-bit to 8-bit combining function f is applied to successive 8-bit inputs formed from 4 bits of the cipher key CK and 4 bits from the mixed initialization vector IVX, and the result is taken to be a furthe... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5.4 TEA5 Derivation of the Keystream Bits | The keystream bits KSS are obtained using Rijndael [i.1] with key length 192 bits and block size 256 bits, used in a counter mode. The key used is the Mode Key CKM, arranged into bytes 27CKM[8i] + 26CKM[8i+1] + … + CKM[8i+7] for i = 0, …, 23. The Rijndael algorithm is run in encryption mode to encrypt LENGTH/256 succ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5.5 TEA5 - Lookup Table for IV Mixing | Table 1 implements Galois Field multiplication by z7 + z6 + z4 + z2 + z + 1, as discussed in clause 5.2. Different rows correspond to different values of the most significant 4 bits of the input, and columns to the least significant 4 bits. For example, the value corresponding to 0x12 is found in the row labelled 0x1? ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 5.6 TEA5 - Definition of the Combining Function f | Table 2 defines the combining function f, which is used as defined in clause 5.3. Different rows correspond to different values of the most significant 4 bits of the input, and columns to the least significant 4 bits. For example, the value corresponding to 0x12 is found in the row labelled 0x1? and column labelled 0x?... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6 TEA6 - Specification of the Algorithm | |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6.1 Introduction | In outline, the algorithm operates as follows: • the 80 bits of initialization vector IV, considered as 10 elements of the Galois field GF(28), are mixed using a 10-stage linear recursion over GF(28) to give 24 bytes which form a 192-bit mixed initialization vector IVX; • the cipher key CK and mixed initialization vect... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6.2 TEA6 - IV Expansion | The 80-bit IV is expanded to a 192-bit mixed IV, IVX, as follows: • from the initialization vector bits IV[0], …, IV[79], form 10 bytes b[0], …, b[9], where b[i] = 27 IV[8×i] + 26 IV[8×i+1] + … + IV[8×i+7], for i = 0, …, 9; • for any bits B[0], …, B[7], the byte is identified as 27B[0] + 26 B[1] + … + B[7] with the ele... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6.3 TEA6 - Derivation of the Mode Key and Mode IV | The Mode Key consists of 192 bits CKM[0], …, CKM[191] and the Mode IV consists of 192 bits IVM[0], …, IVM[191]. An 8-bit to 8-bit combining function f is applied to successive 8-bit inputs formed from 4 bits of the cipher key CK and 4 bits from the mixed initialization vector IVX, and the result is taken to be a furthe... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6.4 TEA6 - Derivation of the Keystream Bits | The keystream bits KSS are obtained using Rijndael [i.1] with key length 192 bits and block size 256 bits, used in a counter mode. The key used is the Mode Key CKM, arranged into bytes 27CKM[8i] + 26CKM[8i+1] + … + CKM[8i+7] for i = 0, …, 23. The Rijndael algorithm is run in encryption mode to encrypt LENGTH/256 succ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6.5 TEA6 - Lookup Table for IV Mixing | Table 3 implements Galois Field multiplication by z7 + z6 + z4 + z2 + z + 1, as discussed in clause 6.2. Different rows correspond to different values of the most significant 4 bits of the input, and columns to the least significant 4 bits. For example, the value corresponding to 0x12 is found in the row labelled 0x1? ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 6.6 TEA6 - Definition of the Combining Function f | Table 4 defines the combining function f, which is used as defined in clause 6.3. Different rows correspond to different values of the most significant 4 bits of the input, and columns to the least significant 4 bits. For example, the value corresponding to 0x12 is found in the row labelled 0x1? and column labelled 0x?... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7 TEA7-Specification of the Algorithm | |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7.1 Introduction | In outline, the algorithm operates as follows: • the 80 bits of initialization vector IV, considered as 10 elements of the Galois field GF(28), are mixed using a 10-stage linear recursion over GF(28) to give 24 bytes which form a 192-bit mixed initialization vector IVX; • the cipher key CK and mixed initialization vect... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7.2 TEA7- IV Expansion | The 80-bit IV is expanded to a 192-bit mixed IV, IVX, as follows: • from the initialization vector bits IV[0], …, IV[79], form 10 bytes b[0], …, b[9], where b[i] = 27 IV[8×i] + 26 IV[8×i+1] + … + IV[8×i+7], for i = 0, …, 9; • for any bits B[0], …, B[7], the byte is identified as 27B[0] + 26 B[1] + … + B[7] with the ele... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7.3 TEA7- Derivation of the Mode Key and Mode IV | The Mode Key consists of 192 bits CKM[0], …, CKM[191] and the Mode IV consists of 192 bits IVM[0], …, IVM[191]. An 8-bit to 8-bit combining function f is applied to successive 8-bit inputs formed from 4 bits of the cipher key CK and 4 bits from the mixed initialization vector IVX, and the result is taken to be a furthe... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7.4 TEA7- Derivation of the Keystream Bits | The keystream bits KSS are obtained using Rijndael [i.1] with key length 192 bits and block size 256 bits, used in a counter mode. The key used is the Mode Key CKM, arranged into bytes 27CKM[8i] + 26CKM[8i+1] + … + CKM[8i+7] for i = 0, …, 23. The Rijndael algorithm is run in encryption mode to encrypt LENGTH/256 succ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7.5 TEA7 - Lookup Table for IV Mixing | Table 5 implements Galois Field multiplication by z7 + z6 + z4 + z2 + z + 1, as discussed in clause 7.2. Different rows correspond to different values of the most significant 4 bits of the input, and columns to the least significant 4 bits. For example, the value corresponding to 0x12 is found in the row labelled 0x1? ... |
c66100fd3b052c710393f385ef3d4084 | 104 053-2 | 7.6 TEA7 - Definition of the Combining Function f | Table 6 defines the combining function f, which is used as defined in clause 7.3. Different rows correspond to different values of the most significant 4 bits of the input, and columns to the least significant 4 bits. For example, the value corresponding to 0x12 is found in the row labelled 0x1? and column labelled 0x?... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 1 Scope | The present document details measures which may be taken to ease the deployment of smart new services and their multiservice street furnitures of digital multiservice city within the IP network of a single city or an association of cities administratively clustered. Furthermore, the suggested measures will enable to en... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 2 References | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 3 Definitions and abbreviations | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 3.1 Definitions | For the purposes of the present document, the terms and definitions and the following apply: digital multiservice cities: cities using digital infrastructure which consist of a single unified high speed networking infrastructure that allows the ICT systems of the complete city services departments to interconnect seaml... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 3.2 Abbreviations | For the purposes of the present document, the following abbreviations apply: ACPI Advance Configuration and Power Interface AIOTI Alliance for the Internet of Things Innovation and in particular AIOTI WG3 on IoT Standardization AP Access Point API Application Programming Interface ATTM Access, Terminals, Transmission a... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 4 General overview of a city | 4.1 Reaching sustainability thru digital multiservice city networks Municipality facilities range from a single premise to multiple buildings located across the city territory. Single premise municipality come from the origin of this administrative facility: "the city house" were the mayor was living and were all gover... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 4.2 Inside-building connectivity cabling infrastructure | Regularly the buildings which host the municipal staff are not contemporary and have not been designed with IT in mind. Furthermore, in important cities, those buildings are often classified heritage buildings and construction works are heavily constrained. The result is that network cabling is regularly of a concern. ... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 4.3 Inter-buildings connectivity cabling infrastructure | Nowadays, in many cases municipalities facilities are spread across many buildings which may or may not be near to each other's. Besides the constrain of classified heritage buildings, distances between facilities may be large. With that regards and according to the capabilities, municipalities either opt to deploy the... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 4.4 Digital services availability | IP networking technology leverage numerous IT services such as data transfer, digital telephony, video surveillance, IoT operation and monitoring, etc. IT staff availability within the municipality shall be taking into account and due to financial constrains regularly missing (Small cities, villages) or outsourced to e... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 4.5 Network access coherence | Local or inter-buildings physical networking connectivity has constrained the municipal authorities to fragment their local IP networks into isolated networking areas. Access to the Internet, or specific national network resources, with such engineering implies to install a dedicated physical connection to a network se... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 5 General considerations about digital multiservice city | Renowned technology organizations such as the ITU-T describes the concept of the sustainable city with following terms: "A smart sustainable city is an innovative city that uses ICT and other means to improve quality of life, efficiency of urban operation and services, and competitiveness, while ensuring that it meets ... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6 Theoretical pillars for a digital multiservice city | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.1 Convergence path | From villages to megacities, across urban cities, all of these living places can be qualified by some 'smart' attributes within the different delivered services: energy (electricity, gas) delivery, water management (distribution, recycling), waste (organic, plastic, generic) management, transportation (bus, metro, trai... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.2 Cross domain | The municipal services provided to residents, in return of their local taxes, depends on numerous factors: size of the territory, amount of inhabitants, history, geographical location, etc. Basis services expected by the city authorities ranges from water delivery, sanitation sewer, sanitation refuse & waste, street/pa... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.3 Data Culture & Open Data governance | For ages, municipalities have been servicing public interests and citizen needs generating numerous information of different kinds not shared with any party outside the city. Even in the presence of ICT technologies, these data have been locked within the specific business applications in which there are processed. One... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.4 Availability, Interoperability, Scalability and Resilience | When it comes to IT, there are important inequalities between the cities. According to the size of the area, the number of inhabitants, the variability in the publicly provided services, the specificities (industrial, vacation, port, university, etc.) or the status (village, capital, etc.), the obligations and the fina... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.5 Digital Equity | In the road to digital, cities are taking important decisions which impact the operation and delivery of their public services. From data scanning to e-Government, gradually the delivery model is modernized with digital assets and offering. While Municipal Service Counters are complemented with digital counterpart, som... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.6 Pledge of confidence | Municipalities collect and own numerous information about their inhabitants, companies established in the territory and commuters. On one side, they have immediate access to data such as electricity or water consumptions, the amount of produced waste, the financial income, the properties ownership, the various contacts... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.7 Digital Infrastructure | Some of the services delivered by cities are associated with physical networks assets such as delivery (e.g. water, electricity, gas, lightning), collection (e.g. sewage), mobility (e.g. metro, tram) and telecommunication (e.g. data, voice, IoT sensors, traffic light, video security). Similarly to behaviour that can be... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 6.8 Metric and KPI | In order to measure the improvements that ICT technologies bring to the city services and the quality of life of its citizen and enterprises commuters, it is crucial to define Key Performance Indicators (KPI) which are clear, understandable and realistic to determine. These KPI enable both the city to calculate the sma... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 7 General needs from the cities | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 7.1 ICT users' position | Energy efficiency of data centre buildings, transmission node building, computer rooms, networks and IT systems is of high importance for the ICT Customers who are users of ICT System Installations e.g. Car manufacturers, Banks, Insurance Companies, Network Operators, Airplane Companies and Governmental Ministries. Ind... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8 Multiservice digital infrastructure | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.1 A shared digital infrastructure as core foundation | The core foundation for a digital multiservice city is strongly tighten to the ability that the components of its ICT systems have to interoperate. To achieve this goals, city should install a shared communications infrastructure that will allow the ICT systems of the complete services departments to interconnect seaml... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.3 Digital services delivery thru the urban assets | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.3.1 Leveraging street furniture with digital technologies | Street furniture [i.15] is a collective term for objects and pieces of equipment installed on city streets and city roads for various purposes. These urban assets include the objects listed in the following clauses. Many of these city urban assets can be leveraged to either contribute as: • network access nodes within ... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.3.3 Usages of bus or tram stop, taxi stands and phone box | Most of these urban assets can play a role in the enhancement of the sustainability of the city and the operations of their partners. These assets can be promoted to a role which provides additional services beyond the native one. These urban assets have in common the particularity to be places which concentrates signi... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.3.4 Usages of post box and waste trash | Most of these urban assets can play a role in the enhancement of the sustainability of the city and the operations of their partners. These assets can be promoted to a role which provides additional services beyond the native one. These urban assets have in common a physical characteristic associated to a "level of spa... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.3.5 Usages of traffic sign and traffic light | Most of these urban assets can play a role in the enhancement of the sustainability of the city. On one hand, these assets can have their operations improved and on the other promoted to a role which provides additional services beyond the native one. These urban assets have in common the functions to signal and commun... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.3.7 Usages of memorial, statue, and public sculpture or art | Most of these urban assets can play a role in the enhancement of the sustainability of the city. These assets can be promoted to a role which provides additional services beyond the native one and in full accordance with preservation of cultural heritage. All of these urban assets are related to city history, local art... |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.5 Engineering of the urban assets (street furnitures) | |
8431d4af277734b76ed585d18d1f2707 | 105 174-7-1 | 8.5.1 Common engineering | Serious evolutions in the field of fixed and mobile connectivity and wireless contactless technologies are turning urban, passive physical asset into smart, connected street furniture which can interact in the city with the people offering contextualized contents. These interaction points should be able to communicate ... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 1 Scope | The present document details measures which may be taken to improve the energy efficiency within industrial premises (single-tenant) by virtue of broadband deployment. Clauses 2 and 3 contain references, definitions and abbreviations which relate to this part; similar information will be included in the corresponding c... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 2 References | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. • For a specific reference, subsequent revisions do not apply. • Non-specific reference may be made only to a complete document or a part thereof and only in the following cases: - if it is accept... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 2.1 Normative references | The following referenced documents are indispensable for the application of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. Not applicable. |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 2.2 Informative references | The following referenced documents are not essential to the use of the present document but they assist the user with regard to a particular subject area. For non-specific references, the latest version of the referenced document (including any amendments) applies. [i.1] European Commission: "DG-JRC Code of Conduct on ... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 3 Definitions and abbreviations | |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 3.1 Definitions | For the purposes of the present document, the following terms and definitions apply: application: system, with its associated transmission method that is supported by telecommunications cabling (this corresponds to a Layer One application in the OSI 7-layer model) Broadcast Communication Technology (BCT) application: s... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 3.2 Abbreviations | For the purposes of the present document, the following abbreviations apply: BCT Broadcast Communication Technology CCCB Control, Command and Communications in Building CGIC ETSI CLC Co-ordination Group on Installations and Cabling DSL Digital Subscriber Line ENI External Network Interface ENTI External Network Termina... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4 Customer networks in data centres | |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.1 Overview of data centre network infrastructures | |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.1.1 General | Customers data centres range in size from relative small areas contained in offices or industrial premises (perhaps only containing a telephony switch and a small number of servers) to sophisticated, enterprise data centres of a size and complexity equivalent to those described in TR 105 174-5-2 [i.12]. However, in vir... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.1.2 Network convergence | Within customer data centres, the range of networks has, in the past, reflected the diversity of the services with ICT services being delivered over a variety of cabling infrastructures for specified computer-computer or computer- peripheral connections. The type of networks within data centres include the Ethernet sol... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.2 Infrastructure standardization activities | |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.2.1 Generic cabling designs in accordance with EN 50173-5 | NOTE: EN 50173-5 [i.4], published in 2007, has a similar scope, and is intended to be technically equivalent, to ISO/IEC 24764 [i.9] produced by ISO/IEC JTC1 SC25. |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.2.1.1 Infrastructure layers | EN 50173-5 [i.4] specifies a single layer infrastructure for data centre cabling as shown in figure 1. ENI BEF MD ZD Distributor in accordance with EN 50173-1 Equipment/telecommunications room in accordance with EN 50173-1 Data centre EO LDP Figure 1: "Data centre"-specific cabling infrastructure of EN 50173-5 [i.4] Wi... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.2.1.2 Cabling | The main and zone distribution cabling subsystems of figure 2 shall be provided by either balanced or optical fibre cabling. EN 50173-5 [i.4] Amendment 1:2009 requires that the balanced cabling is capable of providing a minimum transmission performance (defined as Class EA of EN 50173-1 [i.2]) which is cable of support... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.2.2 Cabling installation in accordance with EN 50174 standards | EN 50174-1 [i.5], EN 50174-2 [i.6] and EN 50174-3 [i.7] contain requirements and recommendations for the specification, quality assurance, planning and installation practices that apply to all information technology cabling media in all premises. Clause 8 of EN 50174-2 [i.6] specifies the additional/amended requirement... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 4.3 Network access infrastructure | The connection between the operator's access network and the customer's data centre is made to the ENI as shown in figure 1 (or the equivalent in non-generic cabling). The ENI is an interface within the premises which provided to the access network. The physical nature of this interface is specified in EN 50173-5 [i.4]... |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 5 Energy efficiency | |
0e25f513e54fb64c4210e9eadff82437 | 105 174-5-4 | 5.1 General | TS 105 174-2-2 [i.11] provides information regarding Key Performance Indicators (KPIs) for the energy efficiency of data centres. Although the customer data centre is outside the scope of TS 105 174-2-2 [i.11], its requirements and recommendations may be applied to these customer networks and their associated infrastru... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 1 Scope | The present document addresses the opportunities and challenges offered by the use of lamp-posts to provide facilities supporting services required by sustainable digital multiservice cities and communities. The replacement of existing luminaires by LED light sources offers an opportunity to increase the functionality ... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 2 References | |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 3 Definition of terms, symbols and abbreviations | |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 3.1 Terms | For the purposes of the present document, the following terms apply: backhaul (network): fixed network interconnecting the BaseBand Units (BBUs), collecting/distributing data traffic from/to those BBUs, to/from core network access points Base Station (BS): Network Telecommunications Equipment (NTE) which serves one or ... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 3.2 Symbols | Void. |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: 3GPP 3rd Generation Partnership Project 5G Fifth Generation AC Alternating Current AWG American Wire Gauge BBU BaseBand Unit BS Base Station CPRI Common Public Radio Interface C-RAN Centralized Radio Access Network DC Direct Current eCPRI evol... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 4 The path towards Smart street lighting | |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 4.1 General | It is estimated that there are more than 60 million lamp-posts, or equivalent structures, supporting lanterns providing lighting for roads and other spaces across Europe. NOTE: The figures in the present document show conventional lamp-posts but should be considered to represent any form of supporting structures for la... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 4.2 Stage 1: Switching to LED bulbs | Stage 1 is simply the replacement of the existing technology lighting fixture with those using LED technologies. LEDs offer longer lifetimes, lower energy consumption and reduced maintenance costs. Savings on energy consumption are estimated to be 50. This is not of direct interest in the present document except that i... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 4.3 Stage 2: Connected street lighting | Stage 2 overlays Stage 1 with a limited bandwidth network connectivity and control systems to: • remotely monitor lighting performance: maintenance costs are reduced by detecting and raising a service alert when there is a problem with an LED; • change light levels to match ambient light levels: street lights are switc... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 4.4 Stage 3: New service development | Stage 3 represents the full migration of the lamp-post infrastructure to support 5G connectivity to EUs supporting as required the Massive IoT, eMBB and URLLC applications listed in Table 2. While existing lamp-posts may be served by a power supply suitable to support Massive IoT applications, the existing power suppli... |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 5 Functionality and availability | |
732c20c558beb43159ed5fd386ac6bc5 | 110 174-2-2 | 5.1 Stage 2 |
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