Digital Ceiling – Tertiary Cabling in the Ceiling

2023-11-02 METZ CONNECT News

In many buildings, similar to private residential buildings, it appears that less network cabling based on twisted- pair installation cables and RJ45 connectors is required. The connection for conventional network devices for only a data transmission is either conducted by a wireless network or replaced by fibre optic cabling. On the other hand, there are numerous current and future applications that make copper cabling indispensable through the ability to simultaneously transmit data and power. Last but not least, the Wireless Access Point (WAP) itself needs a connection to the network in order to cover the range of mobile end devices in all areas, provide the full performance and be supplied with power via Power over Ethernet (PoE) at the same time.

PoE technology has been an essential component of network technology for some time. In addition to the data, power is also transmitted via RJ45 connectors and twisted pair cables in order to supply the end devices with power at the same time. The power supply via the network cabling tends into ever higher performance classes, currently up to 90 W. The standardization of power supply in PoE classes is being driven by more and more new devices and applications based on PoE technology. From the IP camera to the lighting, PoE saves part of the cabling through a power supply and simultaneous data transmission, and enables the intelligent building and energy management.


Examples:

  • Lighting / PoE Lighting

  • Wireless Networks: Wireless Access Points (WAPs) for WLAN, In-Building Wireless

  • Wired networks: Voice-over-IP (VoIP) phones, PCs, presentation screens

  • Security technology: IP surveillance cameras, access control & time recording, fire alarm technology

  • Sensors (temperature, brightness, humidity, oxygen, etc.)

  • Controls, control technology (air conditioning, ventilation, heating, elevator, etc.)

  • Loudspeaker, public address system

  • Multimedia: HDBaseT (not PoE, but to be considered by PoH following PoE), AVoverIP (depending on device, transceiver, display etc.), intercom systems/ Interco


Networks grow together
More applications for the structured building cabling


The following figure shows what it's all about. On the one hand, the integration of different languages in the form of transmission protocols from proprietary solutions or different bus systems into a single uniform solution – the Ethernet-IP network. On the other hand, the combination of different transport media into a uniform, widely used twisted pair cable with RJ45 connectors.

Digital Ceiling – Change in the tertiary cabling

The subject of Digital Ceiling in the field of network technology can be understood as the digital ceiling to a certain extent. This means the integration of, for example, intelligent PoE LED lighting, sensors, customized WAPs for each workstation and other Ethernet- & Power-over-Ethernet applications in the suspended ceiling
Basic components for the Digital Ceiling:

Foundation:

  • Network infrastructure/network

  • Switches with PoE for data exchange and power supply as a central interface

  • Network-compatible sensors and actuators with IP interface

  • Software for data acquisition, analysis, evaluation and control


Devices for various applications:

  • Intelligent lighting

  • Air conditioning

  • ventilation or heating

  • Security systems

  • Access control

  • etc.


Goals and advantages                                    

  • Consolidation of many building management systems /building automation systems into a single system

  • Combination of different, proprietary cabling solutions for the respective application/systems to one

  • New intelligent applications with low-voltage supply

  • Increasing energy efficiency

  • Cost savings

  • Low installation and operating costs

  • Simple ceiling mounting in the low voltage range

  • Setup and configuration via software or mobile app

  • Cabling for data transmission and power supply


Relocation of the network infrastructure to the ceiling

In the current office environment, most network connections are placed near the workplaces in dado ducts and floor boxes. In addition to technology-driven devices with network connectivity, the increasing performance of PoE is also making the network infrastructure increasingly attractive. Many PoE applications are no longer necessarily connected to the wall outlets, the raceway, the table solutions or the floor outlets. These connections are increasingly being moved into the ceiling, e.g. for WAPs, near doors, on presentation walls, for example, for the Digital Signage, as well as outside of buildings on exterior walls or lantern poles. These unconventional connection points may require additional cabling, new cabling solutions, but also new infrastructures.


An alternative to horizontal cabling is the zone cabling in suspended ceilings. Horizontal cabling runs from the floor distributor to a specific area in the building. The service concentration point is located in this area, from where it continues to a service outlet or directly to the end devices. For maximum flexibility and the ideal structure of horizontal cabling with Service Concentration Points, an even division of the floor into cells with the respective Service Concentration Point is recommended.

The background is a more flexible, simpler and more cost-effective change of the cabling when moving, adding or removing end devices. The advantage lies in the shorter distances that have to be rerouted. They are more easily accessible and the intervention as well as interruption times are shorter.


Considering the PoE lighting and other Ethernet and PoE applications, the coverage radius of a zone should not exceed approx. 13 m, which would therefore be a cell of approx. 18 m by 18 m. The background to this is the high number of ports used per service concentration point, which means that over 96 ports are no longer manageable.


Connections can be changed, rerouted or removed at these points. With an increasing number of IP and PoE-enabled end devices, especially in open-plan offices, a long-term saving is achieved through the more flexible and simple changes to this structure. The Service Concentration Point should be at least 15 m away from the floor distributor, and should not exceed the link length of 100 m.

Complete zone cabling via the suspended ceiling

For the current requirements with a view towards the future, the conventional network infrastructure for workplaces according to ISO/IEC 11801-2, and the ca-bling infrastructure could be combined via service con-centration points for distributed building services ac-cording to ISO/IEC 11801-6.The following figure shows the separate, application specific cabling and cabling with service concentration point for Wi-Fi applications.


A complete horizontal cabling via an SCP in the suspended ceiling could look like the depiction in the following figure. The merged applications are depicted in the network cabling through an SCP. Most applications in the ceiling could be solved as with Wi-Fi cabling and the individual workstations could be wired via cable ducts, columns or on the walls all the way up to the wall outlet.


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METZ CONNECT(迈志)用于PCB板和设备的连接技术产品选型表

描述- Innovative products, solutions and systems for the connection technology of printed circuit boards and devices. Products include terminal blocks, pin headers and female connectors, board-to-board connectors, PCB jacks and plugs, DIN rail housings, and accessories.

型号- RT049XXUBLC,TYPE 525,RP023XXHBNF,TYPE 526,TYPE 523,TYPE 524,TYPE 527,SR213XXHBNC,TYPE 528,ST021XXHDNN,SR207XXDBVN,ASP051,PT118XXHBEC,SP046XXVBNC,PR035XXVBHC,AJT93B,AJT93D,791989,TYPE 514,PT069XXVBVN,TYPE 633,PR066XXHBEC,FT085XXVBFC,TYPE 634,TYPE 513,SP129XXVBNF,PT166XXVGDN,SM99S,PM035XXVBHC,RP036XXHBLS,ASP043,SP065XXVBPC,RP036XXHBLF,ASP045,ASP044,SP065XXVBPF,ASP046,791990,ASP049,PT113XXHBBN,RT149XXMBLC,ASP04A,RP036XXHBLC,RP036XXHBLD,SR213XXHBPC,PM016XXVBHC,PR202XXVBNN,RP034XXVBLF,ST072XXVGNN,RT059XXHBLC,PR043XXVBBN,FM20CXXVBDN,ST135XXDDNC,SP064XXVGNN,RT015XXHDWU,SP064XXVGNF,TYPE 613,TYPE 614,RT025XXHBLU,SP051XXVGNN,PM202XXVBNN,RT016XXVBWC,PR043XXVBBF,RP085XXVBLC,ASP063,MMT471A315,RT015XXHDWC,ASP064,ST187XXLDNN,RT025XXHBLC,PR20BXXHBDN,AJT94B,RT063XXHBWC,PR016XXVBHC,FR20CXXVBDN,TYPE 207,PT094XXHBBN,TYPE 204,TYPE 205,RT027XXHBLC,TYPE 329,PT049XXVBBN,PT094XXHBBF,ST041XXDDNN,RP029XXIBWC,PM20BXXVBDN,RP025XXHBLC,RP095XXRBWC,PT065XXVBEN,TYPE 320,FR20CXXHBNN,ST128XXVDNN,AJT85A,TYPE 317,ST137XXDDNC,TYPE 314,PT091XXVGBN,PT165XXHGDN,ST095XXHDNN,TYPE 318,TYPE 319,SP044XXVBNN,RP015XXVBLF,RP015XXVBLC,ST185XXLDNN,RP034XXVBLN,MMT361A315-0009,RP034XHBLN,AJT60A,RP026XXIBWU,ST177XXLDNN,ASP129,FR202XXVBDN,FR202XXHBNN,TYPE 313,AJT84A,TYPE 305,TYPE 424,MMT060A315,ASP155,AJT87A,SL303XXHBNN,ST105XXVDNN,750151,750150,TYPE 534,PW063XXHBBF,TYPE 417,PT118XXHBBC,PW063XXHBBN,PR20CXXVBNN,SP065XXVBNC,ASP025,ASP145,SP065XXVBNF,RT033XXHBLU,PT116XXHBEC,TYPE 533,AJT74B,RP016XXVBLF,RP016XXVBLC,PT106XXHGDN,ST176XXLDNN,720158,RP015XXWBLC,PM202XXHBNN,720036,SR215XXHBPC,FR202XXVBDN0001,PT11AXXHBBN,RT063XXOBWC,RP023XXHBWC,PT11AXXHBBF,PR202XXHBNN,RP039XXHBLC,75B,FR202XXVBDN0002,PM202XXVBDN,PT118XXVBBC,720024,RT045XXHBWC,720025,RT075XXHBLU,RP025XXIBLC,ST024XXHDNC,PR202XXVBDN,SR213XXVBNC,PW063XXHBEC,PT119XXVBBN,716906,MMT371A3B5,720293,RT095XXVBWC,PT119XXVBBF,AJT,PT11AXXHBEC,SM02V,PT091XXHGBN,RT063XXHBNC,SR215XXHBNC,MMT471A315-0001,MMT471A315-0002,RP013XXVBWN,PR033XXVBHC,ST175XXLDNN,SW063XXVBNN,ST125XXVDNN,SM01W,SM01Y,PT113XXVBBN,PT049XXHBVC,720159,RT076XXHBLU,PT118XXVBEC,SP145XXHBNC,710122,SC303XXHBNN,710121,RT063XXPBWC,RT083XXDBWC,SR213XXVBPC,PT116XXVBEC,RT049XXHBWC,PR066XXHBBF,FM20CXXVBNN,RT01AXXVBWC,PR066XXHBBN,RP035XXHBLC,RP035XXHBLD,ST025XXHDNC,711401,ST047XXDDNC,RP0,RP019XXWBLC,RP018XXVBLC,FM202XXVBDN,SP155XXHBNC,TYPE 701,RP043XXHBLF,RP043XXHBLC,RP043XXHBLD,TYPE 703,RP043XXHBLO,RP025XXHBWC,PR065XXHBBN,MMW360A1A1,RP043XXHBLS,FR20CXXHBDN,PR065XXHBBF,PW063XXVBBN,PT116XXVBBN,PT045XXHBVC,PM20BXXVBNN,PW063XXVBBF,PT116XXVBBF,TYPE 812,AJT92B8813,RT025XXHDLR,PM025XXVBHC,720243,PT115XXVBEC,RP019XXVBLF,FR202XXVBNN,AJT92BC813,PR015XXVBVC,RT025XXHDLL,PM20CXXVBNN,MMTA70A315,RP035XXIBLN,PR044XXVBBF,SC305XXHBNN,ST186XXLDNN,75XXHBER,AST095,SP04AXXVBNC,FM20BXXVBDN,PT11AXXVBBF,AST098,PR20CXXHBDN,AJT49D,360410,SP066XXVBNF,PR055XXVBHC,SP066XXVBNC,AJT01B,RP019XXVBLC,PT11AXXVBBN,FT143XXVBFC,PR20BXXVBNN,TYPE 083,711047,AJT37L,TYPE 089,PT119XXHBBF,TYPE 086,AJT25G,ST045XXDDNC,SR215XXVBPC,ST067XXHDNN,ST027XXHDNC,PR015XXVBHC,FR20BXXVBDN,RP016XXSBLC,PR016XXVBVC,AST082,PM015XXVBHC,PT045XXVBBN,TYPE 190,AJT48D,TYPE 191,SP025XXHDNC,TYPE 073,TYPE 071,PT115XXVBBF,TYPE 072,716846,PR044XXVBBN,AJT36L,360425,AJT24G,TYPE 079,PT115XXVBBN,FR202XXVBNN0002,ST255XXHDNL,FR202XXVBNN0001,RT019XXVDWC,PM20CXXHBDN,RP03AXXHBLF,RT026XXHBLU,FR20CXXVBNN,SP045XXVBNC,SP063XXVGNF,RP03AXXHBLC,RT139XXHBWC,RP03AXXHBLD,SP066XXVBPF,AJT27G,SP066XXVBPC,TYPE 183,TYPE 063,TYPE 060,TYPE 061,TYPE 182,ST255XXHDNR,PR065XXVBBF,TYPE 067,TYPE 188,TYPE 065,RP025XXIBWU,TYPE 189,AJT39L,TYPE 069,PR065XXVBBN,RP025XXIBWC,SR215XXVBNC,360322,TYPE 290,710085,SP063XXVGNN,710084,TYPE 170,RT046XXHBWU,TYPE 171,TYPE 292,PW063XXVBEC,AJT38L,TYPE 055,TYPE 176,TYPE 177,PR065XXHBEC,PT165XXVGDN,TYPE 175,AJS05G,TYPE 059,AJT14G,RP03AXXHBLS,RP033XXVBLC,TYPE 178,TYPE 179,RT016XXHBWC,AJP92A,SL305XXHBNN,AST177,RP095XXBBWC,AST055,AST176,TYPE 030),AST175,FM202XXVBNN,ST108XXVDNN,AST059,RT034XXHBLC,AJS08G,AST057,AST178,RT043XXLBLC,ST065XXHDNN,PT065XXVBVN,RT11LXXHGLU,AST041,AST045,PT1,RT045XXUBLC,RT085XXDBWC,AST047,PT105XXHGDN,ST059XXHBNC,RT10NXXHGLU,RT165XXHBNC,SR99S,PM202XXHBDN,RT029XXHBLC,AST072,75XXVGDN,ST178XXLDNN,AIT023,MMT361A315,IT023XXHDNU,RT099XXVBWC,PT045XXVBEC,RT145XXMBLC,PT093XXHBBN,ST057XXHBNC,AST067,AST188,PT093XXHBBF,AST187,AST065,AST186,AST185,AJS09G,PT055XXHBHC,RP059XXHBWC,TYPE 092,RT056XXHBLU,75XXHBEL,TYPE 095,TYPE 096,TYPE 093,TYPE 094,MMT371A3B5-0009,TYPE 097,RP015XXWBWC,ST139XXDDNC,AJT18L,PM013XXVBHC,AJT40L,TYPE 009,RP995XXVDNN,TYPE 369,TYPE 249,TYPE 007,PT116XXHBBF,360381,PT166XXHGDN,PM20CXXHBNN,RT045XXMBWC,PT116XXHBBN,SP043XXVBNN,AST137,RT019XXHDWC,AST135,AJS56A,PR066XXVBEC,AJT65A,AST139,PT115XXHBEC,TYPE 001,TYPE 361,AJT65B,TYPE 005,TYPE 003,TYPE 479,TYPE 359,RT035XXHBLU,RP01AXXVBLC,PR20CXXVBDN,RP01AXXVBLF,360271,PR20CXXHBNN,RT135XXHBWC,AST125,PM20CXXVBDN,AJS55A,AST128,RT015XXVDWC,AJT52D,TYPE 350,TYPE 351,TYPE 230,TYPE 114,TYPE 477,TYPE 235,TYPE 236,TYPE 478,TYPE 476,PR20BXXVBDN,TYPE 349,TYPE 107,TYPE 108,TYPE 229,TYPE 105,T

10/2018  - METZ CONNECT  - 选型指南 代理服务 技术支持 批量订货

【EOL】METZ CONNECT Product Discontinuation Notification

型号- 292,250,031,AST175,153,077,AST115,034,111,AST015,32000028,036,AST178,PM31S,015,360351,016,AST118,360393,118,459,EP31S,360409,081,062,042,141,361,043,263,461,044,002,047,102,006,149,360408,AJT92B,360403

01.10.2020  - METZ CONNECT  - 产品变更通知及停产信息 代理服务 技术支持 批量订货
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整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。

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