Class 1 circuits shall not be run in the same cable with communications circuits. ct-001. Understanding the Increased Demand for Industrial Switches in Food and Beverage Plants, 5 For Friday: The Essential Words in Manufacturing, a Hannover Messe Homecomingand a Preview, IIoT solutions bring machine data to life to streamline and secure performance, If youre a machine builder trying to differentiate your company from the competition, you may be considering investing in Industrial Internet of Thi, Whats Abuzz in Industrial Automation: Insights from Hannover Messe, Last May in Hannover, at one of the worlds largest trade fairs, the future of industrial automation was on everyones lips.. What does that future ho, Why universal automation is a catalyst for enabling profitable machine OEM business transformation, Todays OEMs who build machines for industrial applications are at a critical crossroads. ^Wz/iOs=VLPDI(De|s=O>}2L*< x^h=up)6`R6G?^I !lBkZ\}r|f9;Py2+ For 50- cables, the most important changes were the addition of swept-frequency measurements for attenuation and return-loss requirements (voltage standing-wave ratio or VSWR). Mission services and support. Communications, Information Technology and e-Commerce Services. Control: ISM-0217; Revision: 5; Updated: Mar-23; Applicability: TS; Essential Eight: N/AWhere spatial constraints demand non-TOP SECRET patch panels be installed in the same cabinet as a TOP SECRET patch panel: Control: ISM-1116; Revision: 4; Updated: Mar-23; Applicability: TS; Essential Eight: N/AA visible gap exists between TOP SECRET cabinets and non-TOP SECRET cabinets. %%]N~FN!pG71PcU>Uw5}B%!ouo+7|7+W[D9%Qe Not surprisingly, there are even standards defining how standards must be formatted and how their content must be presented. This standard, which is dedicated to coaxial connectors, provides requirements and test methods for them when used with flexible and semi-rigid cables. endstream endobj startxref %PDF-1.6 % Audio secure rooms are designed to prevent audio conversations from being overheard. Build high-speed networks from a variety of high-quality cable offerings that are customized to fit your needs. Class 2 and Class 3 circuit conductors shall be permitted in the same listed communications cable with communications circuits.. . Indeed, over the past few years, more than 30 of our team members with standards expertise attended a cumulative 60 different cabling, infrastructure, components and applications standards projects around the world, ensuring that our network solutions work seamlessly when supporting new applications. We excel in supplying air, land, naval and joint forces with an unrivalled depth of capability in the following five areas: Communications, command and control systems. Consequently, Section 250.119 does not apply to communications circuits because that section is not referenced in Chapter 8. Its important to note that while the standards described above are likely to be encountered by designers, theyre not the only ones, as the primary standards refer to many others (such as MIL-STD-202). In such cases, an organisation should band such cables with the appropriate colour and ensure that the cable bands are easily visible at inspection points. In addition to network communications and data systems, some common building management structured cabling systems found within facilities are: A cables protective sheath is not considered to be a conduit. update the use of the ELV, SELV and TNV voltage levels to the new Electrical Energy Source Classifications of ES1, ES2 and ES3 specified in AS/NZS 62368.1. review and update Standards references, including AS/NZS 3000, AS/NZS 60950.1 (now superseded by AS/NZS 62368.1), AS/CA S008 and AS/CA S009. It covers the requirements for fixed or concealed cabling or equipment that is connected, or is intended to be connected, to a telecommunications network. Led by the United States and France in the late 18th and 19th Centuries, countries began to realize the benefits of having standards that defined the components, subsystems and systems used in their military equipment. The NEC has always permitted marking on communications cables to indicate additional attributes beyond those required by the Code, for example, a LAN cable marked CAT 6A. The InterNational Committee for Information Technology Standards (INCITS) develops standards governing the security, storage, transfer and management of information. hbbd``b`Z D|)1@}H6D ) Hlc`bRHko 5 This division enables our clients to have CATV converters, Cable Modems, Telephone Jacks, Telephone Equipment and Intercom systems installed throughout homes and offices. The 2017 edition of NFPA 75 permits two alternate approaches to fire protection in the raised floor plenum: either provide active fire protection or only use plenum grade materials, which include, of course, plenum cable. CommScope premium structural support solutions reinforce your structure and optimize antenna performance. Failing to address emanation security threats could result in systems or military platforms emanating compromising signals, which if intercepted and analysed, could lead to serious consequences. Evolve your HFC broadband networks to meet high-speed data demands as well as the need for low latency, security and increased capacity. endstream endobj 7953 0 obj <>>>/Subtype/Form/Type/XObject>>stream Stanley Kaufman, Ph.D. is principal of CableSafe Inc. and a consultant to the Communications Cable and Connectivity Association (CCCA). These types include: Coaxial Cable (Mil-C-17) Mil-Spec Power Cable (Mil-DTL-3432) Mil-Spec Wire (Mil-W-81044, Mil-W-16878, Mil-W-22759) Shipboard Cable (Mil-C-24640, Mil-C-24643) Extreme Environment Wire/Cable Optical fiber cables, Type OFNP, OFCP, OFNR, OFCR, OFNG, OFCG, OFN and OFC, Communications cables, Types CMP, CMR, CMG and CM, Coaxial cable TV cables, Types CATVP, CATVR and CATV, Class 2 cables, Types CL2P, CL2R and CL2, Class 3 cables, Types CL3P, CL3R and CL3, Power-limited fire alarm cables, Types FPLP, FPLR and FPL. The current version of MIL-DTL-17 is revision J, produced in 2014. Control: ISM-1133; Revision: 3; Updated: Dec-21; Applicability: TS; Essential Eight: N/AIn shared facilities, TOP SECRET cables are not run in party walls. Standards Catalogue. What this means in practice is that few designers have the time (or interest) in deciphering all of these documents. For example, while SECRET and TOP SECRET cables have designated cable colours, cables for other systems may be any colour except for those reserved for SECRET and TOP SECRET systems. Owing to the increasing outrage from military contractors and the sheer impossibility of maintaining them, Defense Secretary William J. Perry wrote in 1994 what has become known as the Perry memo. The memo effectively prohibited the use of most standards without a waiver and directed contractors to use suitable commercial off-the-shelf (COTS) products whenever possible in their place. Control: ISM-1098; Revision: 5; Updated: Mar-23; Applicability: S; Essential Eight: N/ASECRET cables are terminated in an individual cabinet; or for small systems, a cabinet with a division plate between any SECRET cables and non-SECRET cables. Control: ISM-1101; Revision: 3; Updated: Dec-21; Applicability: All; Essential Eight: N/AIn TOP SECRET areas, cable reticulation systems leading into cabinets in server rooms or communications rooms are terminated as close as possible to the cabinet. Protection and mission / combat systems. In order to alert users to this issue, the 2017 NEC added Informational Notes to Articles 770 (optical fiber cables), 800 (communications cables) and 820 (CATV coaxial cables). That conflict has been removed in the 2020 Code. %%EOF Control: ISM-1102; Revision: 3; Updated: Dec-21; Applicability: All; Essential Eight: N/ACable reticulation systems leading into cabinets are terminated as close as possible to the cabinet. Any proposals to design outside of DAVE patterns for exceptional circumstances only. In shared facilities, cables should be enclosed in a sealed cable reticulation system to prevent access and enhance cable management. That exception is clearly inadequate because many communications, Class 2, Class 3 and power-limited fire alarm circuits operate above 50 volts. Defence Standard cables are now widely used in a variety of applications in heavy industrial environments, avionic control systems, computer and data . The International Standards Organization (ISO) and International Electrochemical Committee (IEC) collectively work toward establishing standards for cabling. Because MIL-DTL-17 cables are used in applications other than defense systems, they often include requirements contained in commercial standards such as those employed for use in designing automotive systems. With silver-plated outer conductors, oxidation is prevented, minimizing changes in attenuation over time. Recognizing 60 volt DC circuits is a step in the right direction but still inadequate because it does not encompass all Class 2, Class 3 circuits permitted in Tables 11(A), 11(B) in Chapter 9, and all power-limited fire alarm circuits permitted by Tables 12(A) and 12(B) in Chapter 9. However, it also extends this to shock-mounted equipment, and places where field testing (for instance) can result in repeated flexing. Although widely used in the industry, the term data/comm cables does not appear in the NEC. 2). The cables shall be listed as communications cables., (b) Class 2 and Class 3 Circuits. Evolve your existing infrastructure to a hybrid-fiber coaxial access network that meets your performance, time-to-market and cost requirements. Control: ISM-1822; Revision: 0; Updated: Mar-23; Applicability: All; Essential Eight: N/AWall outlet boxes for individual systems use a consistent colour. Control: ISM-1821; Revision: 0; Updated: Mar-23; Applicability: TS; Essential Eight: N/ATOP SECRET cables, when bundled together or run in conduit, are run exclusively in their own individual cable bundle or conduit. It is important to consider emanation security threats as early as possible in a systems life cycle as costs will be much greater if changes have to be made once a system has been designed and deployed. Each cable will form part of a structured cabling system and will need to comply with the Australian Standards associated with that system. Control: ISM-0211; Revision: 7; Updated: Dec-22; Applicability: All; Essential Eight: N/AA cable register is developed, implemented, maintained and verified on a regular basis. Nor was there any requirement for adhesion of the dielectric core to the center conductor, with the result that it was possible to pull the center conductor out of the assembly when stripping it. Conductors of one or more Class 2 and Class 3 circuits shall be permitted in the same cable with conductors of communications circuits provided that the cable is a listed communications cable that shall be installed in accordance with the requirements of Part V of Article 805. The InterNational Committee for Information Technology Standards (INCITS) develops standards governing the security, storage, transfer and management of information. In the 2020 NEC, the 50 volt exception in 250.119 has been changed to be 50 volts AC or 60 volts DC in order to accommodate PoE. As Australian Standards require some structured cabling systems to use specified colours, such as red for fire control systems, it is important that all building management cables are appropriately labelled. %PDF-1.6 % Having clear covers face inwards increases their inspectability. GYTS Aerial 12 24 36 48 Core GYTS Fiber Optic Cable Communication Cable. It's an ongoing commitment to progress and innovation, where our experts share research and technology that help enterprise network infrastructures perform better and more efficiently. It details specifications for flexible and semi-rigid . It details specifications for flexible and semi-rigid coaxial cables with solid and semisolid dielectric cores as well as single, dual, twin and triaxial conductors. To avoid confusion, it is important that, regardless of the type of cabling involved, a consistent cable colour is used. This is especially true of plenum cables, which are designed to have excellent fire-resistance properties. In the 2020 NEC, Section 645.5(E) correlates with NFPA 75-2017 by requiring plenum cables where cables are exposed to the airflow (not in conduit) in the area under the raised floor and that area is not protected by active fire suppression. TasNetworks Standard Communications and Data Cabling Standard R0001043989 Version 2.0, June 2018. Ensure superior protection, reliability and scalability for your indoor and outdoor networks. The Institute of Electrical and Electronics Engineers (IEEE) is a global organization that seeks to advance innovation and technological excellence. MIL-DTL-17. Corning will explain the key considerations municipal network operators should keep in mind as they plan to upgrade their critical infrastructure, as well as best practices for State of California gears up for L.A. to Phoenix middle-mile fiber network deployment. Article 645, Information Technology Equipment, covers the installation of information technology equipment in an information technology equipment room, i.e. Since the earliest days of RF and microwave connectors, the challenge for those defining them has been to provide the highest possible performance using the most advanced fabrication technology available at the time. Labelling cables with the correct source and destination details minimises the likelihood of cross-patching and aids in fault finding and configuration management. Use of the paper and the views expressed in it is voluntary, and reliance on it should only be undertaken after an independent review of its accuracy, completeness, efficacy, and timeliness, and based on the individual facts and circumstances of a user. endstream endobj startxref 4218 0 obj <>stream endstream endobj 171 0 obj <> endobj 172 0 obj <> endobj 173 0 obj <>stream Revised 11/07/16 . Control: ISM-1122; Revision: 2; Updated: Dec-21; Applicability: TS; Essential Eight: N/AWhere wall penetrations exit a TOP SECRET area into a lower classified area, TOP SECRET cables are encased in conduit with all gaps between the TOP SECRET conduit and the wall filled with an appropriate sealing compound. Authors notes: NFPA 70, NFPA, National Fire Protection Association, National Electrical Code, and NEC are registered trademarks of the National Fire Protection Association. When cable reticulation systems are used for more than one cable bundle or conduit, it is important that there is a dividing partition or visible gap between cable bundles and conduits to facilitate easier cable inspection. Structured Plus Communications guarantees that all Telecommunications Cabling Standards will be met or exceeded. endstream endobj startxref Control: ISM-0201; Revision: 3; Updated: Mar-21; Applicability: TS; Essential Eight: N/ALabels for TOP SECRET conduits are a minimum size of 2.5 cm x 1 cm, attached at five-metre intervals and marked as TS RUN. S@=k)zzhL=*wJ7-/ allow DoD and ADF to continue to use the Standard as referenced under the ACMA Types of Cabling Work Declaration 1997 as a means of exemption for Defence personnel and overseas defence forces from the requirement to have a cabling provider registration or to comply with AS/CA S009. There can be several reasons for this. Standards & Design Guidelines . hbbd``b`U@(`a-0`*AHk3 z k:0 -HN7,Ad R ? hb```b```` cb @%97g9ce]j:M5ADnnQ]5j^:g iI{^Fn3OR{@yMre`/@,vc?,bXb?IW0>qlM]2\@8uA e`\4 ,H-``S(cV0 &: Control: ISM-1119; Revision: 2; Updated: Dec-21; Applicability: All; Essential Eight: N/ACables in TOP SECRET areas are fully inspectable for their entire length. Further information on SCEC-approved tamper-evident seals can be found on the SCECs Security Equipment Evaluated Products List. 800.44 Overhead (Aerial) Wires and Cables, 800.53 Separation from Lightning Conductors. TELECOMMUNICATIONS CABLING STANDARD General Requirements ANSI/TIA/EIA-568-B.2 100 OHM TWISTED PAIR CABLING STANDARDS Backbone Connecting Hardware Cords and Jumpers Horizontal Stranded ANSI/TIA/EIA-568-B.3 OPTICAL FIBER STANDARDS Optical Fiber Cabling Components Addendums ANSI/TIA/EIA-568-B.1-1 Patch Cord Bend Radius x5:]o?"L`:mEk|aa_^drROb4NV32A&M%4;9/[p:)ankYz}va+G"n(bvW-WpsSdn4WMQ.M^}/Lj._vEiKt\:yk[]lo=v*hXUi 3g7$ bU7&er@},aqnC{M^uakO 1a)>i PZ_?Q*x(7"$*b$ EDp6\m"A]@E VpIh /%T>W Wall outlet boxes are the main method of connecting cabling infrastructure to workstations. Penetrating a wall between a TOP SECRET area and a lower classified area requires the integrity of the TOP SECRET area to be maintained. In addition, if a company is in direct competition for the award with a company whose same type of product is QPL-listed, the former is more likely to get the nod. The term data/comm cable, as used in this article, encompasses six families of cable types in the NEC. Transparent wall outlet box covers allow for inspection of cable cross-patching and tampering. Control: ISM-0194; Revision: 3; Updated: Dec-21; Applicability: TS; Essential Eight: N/AIn shared facilities, a visible smear of conduit glue is used to seal all plastic conduit joints and TOP SECRET conduits connected by threaded lock nuts. Sections 725.139(D)(1) and 805.133(A)(b) in 2020 NEC deleted the requirements that the Class 2 or Class 3 circuits be classified as communications circuits. The standard goes even further, classifying connectors for six different types: In its latest versions, MIL-PRF-39012 added new qualification testing and approval requirements present in MIL-STD-790 (Established Reliability and High-Reliability Products) and made changes that increase the scope of the standard. Control: ISM-1103; Revision: 3; Updated: Dec-21; Applicability: All; Essential Eight: N/AIn TOP SECRET areas, cable reticulation systems leading into cabinets not in server rooms or communications rooms are terminated at the boundary of the cabinet. 7964 0 obj <>/Filter/FlateDecode/ID[<19CA5B9FD300BC40A3823C87A480C8C7>]/Index[7949 38]/Info 7948 0 R/Length 81/Prev 484016/Root 7950 0 R/Size 7987/Type/XRef/W[1 2 1]>>stream MIL-DTL-17 is the primary standard designers refer to when designing or specifying cables for military and aerospace applications. But new challenges lay ahead, one of the most important being the DoDs increasing focus on higher frequencies due in part to the new threats from adversaries in spectral regions at or above 100 GHz. In some instances this results in slightly higher ampacities being permitted. HbNQ! Control: ISM-1100; Revision: 1; Updated: Sep-18; Applicability: TS; Essential Eight: N/ATOP SECRET cables are terminated in an individual TOP SECRET cabinet. TIA-568-D.4, addressed coaxial cabling components. ,/l56&+m[NOrN~%+Bs=Yz+6?nDF4;9:MR-:(AQ 9 WLeG Fb0+4 %$yn7uCZOSg-a1af8KP``.E]s This paper, provided by the Communications Cable and Connectivity Association, is offered for general information and educational purposes. Information Note No. All facilities will contain structured cabling systems to support building management and control functions. maxo, 5 for Friday: A Look Into the Future for Design, Plant Investments and Pneumatics, A Primer on Valves Used in Chromatography and Spectrometry Analysis, DC UPS System, Enclosure and Switches Join Together, Universal Robots Demos Three Versatile Robotic Applications, Why Machine Safety Is Not Complete Without Validation, DATA CABLE SOLUTIONS FOR THE FLOURISHING SMART FACTORY. Since the 1960s, the IEEEs P287 Standard for Precision Coaxial Connectors (DC-110 GHz) has been focused on the goal of creating standards for these components, and their efforts, along with those of the microwave and test-and-measurement industry, have delivered impressive results. Control: ISM-1645; Revision: 2; Updated: Dec-22; Applicability: All; Essential Eight: N/AFloor plan diagrams are developed, implemented, maintained and verified on a regular basis. Regardless, there wont be any shortage of problems to solve for cable and connector manufacturers in the future, as well as for the organizations charged with the responsibility of creating standards for them. In doing so, it is important that cable bands are robust enough to stand the test of time. provides project management and installation of all types of structured cabling for voice, data, video and wireless, LANs & WANs. The target in the future will be attempting to ruggedize these connectors for defense applications, which are obviously far more demanding than relatively benign benchtop environments. 4190 0 obj <>/Encrypt 4172 0 R/Filter/FlateDecode/ID[<7F9B1846C7D73ED6D83773510E3174B0><54F53406E92C39458E9337FDC4B282E1>]/Index[4171 48]/Info 4170 0 R/Length 98/Prev 994180/Root 4173 0 R/Size 4219/Type/XRef/W[1 3 1]>>stream Command, Control, Communications, Computing and Intelligence (C4I), all Radar & Radio airfield navigation & information systems and all Communications-Electronics (C-E) equipment, peripherals and cabling, its location, infrastructure, environment and Radio Site Restriction zones. Control: ISM-0216; Revision: 3; Updated: Mar-23; Applicability: TS; Essential Eight: N/ATOP SECRET patch panels are installed in individual TOP SECRET cabinets. Control: ISM-0250; Revision: 4; Updated: Dec-21; Applicability: All; Essential Eight: N/AICT equipment meets industry and government standards relating to electromagnetic interference/electromagnetic compatibility. hbbd```b``OoM0"H e#d"[`q1"Al{#}P %3| _u The result is that, when you partner with CommScope, you're partnering with a company that helps position your network for long-term success, with solutions that feature: Our quarterly updates on the standards relevant to the structured cabling industry, and the impact they have on your network design, planning and operations. CHAPTER 28 . Moreover, the primary cable and connector standards themselves are divided into various categories, including testing materials, qualification, conformance testing and inspection, and electromagnetic compatibility (which has its own set of standards). What's good today is not necessarily so tomorrow (see, for instance: Beta tapes). Deliver optimal high-speed performance with a variety of cable assemblies, including coaxial, fiber and hybrid options. Ideally, wall outlet boxes should be the same colour that is used for associated cabling. If lengths become excessive, TOP SECRET fibre-optic fly leads should be treated as cabling infrastructure and run in TOP SECRET conduit or fixed infrastructure, such as desk partitioning. Finally, semi-rigid or rigid cables never bend once theyre formed when manufactured. Build a converged, AI-enabled enterprise wired and wireless network and manage it from any cloud or appliance. 4171 0 obj <> endobj Deploy, organize and manage data and power distribution, indoors and outdoors. z, /|f\Z?6!Y_o]A PK ! Control: ISM-1640; Revision: 0; Updated: Mar-21; Applicability: All; Essential Eight: N/ACables for foreign systems installed in Australian facilities are labelled at inspection points. Its a performance rather than a detail specification, so it gives cable manufacturers more flexibility in how they meet its requirements. Class 2 and Class 3 circuit conductors shall be permitted in the same cable with communications circuits, in which case the Class 2 and Class 3 circuits shall be classified as communications circuits and shall meet the requirements of this article. This chapter of the Information Security Manual (ISM) provides guidance on communications infrastructure. We are a data wiring installation company that works to help customers with installation needs. (1) Communications Cables. Arcadian Infracom and the California Department of Technology are now collaborating for a new middle-mile fiber network deployment. \3 Obtaining advice from the Australian Cyber Security Centre (ACSC) on emanation security threats is vital to protecting SECRET and TOP SECRET systems. CCCA does not endorse, approve, or certify any information set forth in this paper, nor does it guarantee the accuracy, completeness, efficacy, timeliness, or correct sequencing of such information. This Standard is identical with, and has been reproduced from IEC 61935-1:2005, Testing of balanced communication cabling in accordance with ISO/IEC 11801Part 1: Installed cabling. .DxO%xyx #s$B)"45~cp)Zc@ 0 ?xxAomJgE.i /^ For example, while SECRET and TOP SECRET wall outlet boxes have designated wall outlet box colours, wall outlet boxes for other systems may be any colour except for those reserved for SECRET and TOP SECRET systems. MIEE - Chapter 28 Power Control & Monitoring Systems (PCMS) MIEE 2011, Amend 3 - 1 June 2018 Chapter 28 - PCMS Page 1 of 57 . There are five entirely different types of documents used by the DoD today (see table). Applications of listed communications wires and cables, listed cable TV coaxial cables, and listed network-powered communications cables have been removed from Article 805 (formerly Article 800), Article 820, and Article 830 and placed in the new Article 800. In the 2020 NEC, Informational Notes were added to Sections 725.24 and 760.24. The power sources for limited power circuits in 725.121(A)(3), limited power circuits for listed audio/video equipment, listed information technology equipment, listed communications equipment, and listed industrial equipment in 725.121(A)(4) shall have a label indicating the maximum voltage and rated current output per conductor for each connection point on the power source. The first option is to comply with the ampacity table, Table 725.144. TIA-568-D.3 addresses components of fiber optic cable systems, and. The 2017 NEC was the first edition of the NEC to address this issue, which includes, but is not limited to, Power over Ethernet (PoE). Moreover, theyre potentially bumping up against the limits of the fabrication technologies employed to make them. Control: ISM-1718; Revision: 1; Updated: Mar-23; Applicability: S; Essential Eight: N/ASECRET cables are coloured salmon pink. He is a member of NEC Code-making Panels 12 and 16. Read about technologies, trends and strategies that will define your network and shape our digital world in the years ahead. http://www.facebook.com/pages/Cabling-Installation-and-Maintenance/298118662118. Control: ISM-1720; Revision: 0; Updated: Dec-21; Applicability: S; Essential Eight: N/ASECRET wall outlet boxes are coloured salmon pink. New cabling standard, TIA-568.2-D, recognizes 28-AWG patch cords June 25, 2018 The ANSI/TIA-568.2-D standard requires de-rating of the 100-meter channel length when 28-AWG patch cords are used. Accomplishing that wont be simple, however, because although 0.8-mm connectors are currently in production for test-and-measurement platforms, research is underway concerning 0.6-mm and even 0.4-mm connectors designed to serve systems operating at hundreds of gigahertz. DEPARTMENT OF ADMINISTRATION. Yet, specifying these products in todays robust market can still be very confusing, and the goal of this article is to provide basic information about U.S. Department of Defense (DoD) standards related to cables and connectors. The use of designated wall outlet box colours can provide an easy way to distinguish wall outlet boxes for SECRET and TOP SECRET systems from wall outlet boxes for other systems. Where multiple connection points have the same rating, a single label shall be permitted to be used. Control: ISM-0187; Revision: 8; Updated: Mar-23; Applicability: S; Essential Eight: N/ASECRET cables, when bundled together or run in conduit, are run exclusively in their own individual cable bundle or conduit. The UCI World Cup is about t twitter.com/i/web/status/1. $0.50-$1.50 / meter. 3. |Ek(FMiCUO5KlRE>$idd The most important and most obvious change is that Chapter 8 has a new general article. In addition, wall outlet box colours for other systems, such as OFFICIAL and PROTECTED systems, may use the same colour, such as blue. In addition, cable colours for other systems, such as OFFICIAL and PROTECTED systems, may use the same colour, such as blue. The Defence Estate Quality Management System ( http://www.defence.gov.au/estatemanagement/governance/policy/principlesdevelopment/default.asp) contains further requirements including the principles of development, zone planning, site selection, engineering requirements and environmental impact assessment and approval requirements.
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