1、ANSI E1.27-1 - 2006 (R2016)Entertainment TechnologyStandard for PortableControl Cables for Use with ANSI E1.11 (DMX512-A)and USITT DMX512/1990 ProductsDocument number CP/2003-1028r5.2Approved as an American National Standard by the ANSI Board of Standards Review on 8 April2016.This document is a rea
2、ffirmation without substantive changes ofANSI E1.27-1 - 2006.ANSI E1.27-1 - 2006 (R2016), Entertainment TechnologyStandard for Portable Control Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 ProductsEntertainment Services and Technology Association (ESTA)Notice and DisclaimerESTA doe
3、s not approve, inspect, or certify any installations, procedures, equipment or materials for compliance with codes, recommended practices or standards. Compliance with an ESTA standard or recommended practiceis the sole and exclusive responsibility of the manufacturer or provider and is entirely wit
4、hin their control and discretion. Any markings, identification, or other claims of compliance do not constitute certification or approval ofany type or nature whatsoever by ESTA.ESTA neither guarantees nor warrants the accuracy or completeness of any information published herein and disclaim liabili
5、ty for any personal injury, property or other damage or injury of any nature whatsoever, whether special, indirect, consequential or compensatory, directly or indirectly resulting from the publication, use of, or reliance on this document.In issuing and distributing this document, ESTA does not eith
6、er (a) undertake to render professional or other services for or on behalf of any person or entity, or (b) undertake any duty to any person or entity with respect to this document or its contents. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek
7、the advice of a competent professional in determining the exercise of reasonable care inany given circumstance. 2016 ESTA i CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R2016), Entertainment TechnologyStandard for Portable Control Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 ProductsPublis
8、hed By:Entertainment Services and Technology Association630 Ninth Avenue, Suite 609New York, NY 10036USAPhone: 1-212-244-1505Fax: 1-212-244-1502Email: standardsesta.orgThe ESTA Technical Standards ProgramThe ESTA Technical Standards Program (TSP) was created to serve the ESTA membership and the ente
9、rtainment industry in technical standards related matters. The goal of the Program is to take a leading role regarding technology within the entertainment industry by creating recommended practices and standards, monitoring standards issues around the world on behalf of our members, and improving co
10、mmunications and safety within the industry. ESTA works closely with the technical standards efforts of other organizations within our industry, including USITT and VPLT, as well as representing the interests of ESTA members to ANSI, UL, and the NFPA. The Technical Standards Program is accredited by
11、 the American National Standards Institute.The Technical Standards Council (TSC) was established to oversee and coordinate the Technical Standards Program. Made up of individuals experienced in standards-making work from throughout our industry, the Council approves all projects undertaken and assig
12、ns them to the appropriate working group. The Technical Standards Council employs staff to coordinate the work of the Council and its working groups as well as maintaina “Standards Watch” on behalf of members. Working groups include: Camera Cranes, Control Protocols, Electrical Power, Floors, Fog an
13、d Smoke, Followspot Position, Photometrics, Rigging, and Stage Lifts.ESTA encourages active participation in the Technical Standards Program. There are several ways to become involved. If you would like to become a member of an existing working group, as have over four hundred people, you must compl
14、ete an application which is available from the ESTA office. Your application is subject to approval by the working group and you will be required to actively participate in the work of the group. There is an annual fee for all participants, both Observers and Voters. Voters are required to respond t
15、o letter ballots and attending meetings. Membership in ESTA is not a requirement for TSP participation. You can also become involved by requesting that the TSC develop a standard or a recommended practice in an area of concern to you.The Control Protocols Working Group, which authored this standard,
16、 consists of a cross section of entertainmentindustry professionals representing a diversity of interests. ESTA is committed to developing consensus-based standards and recommended practices in an open setting. 2016 ESTA ii CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R2016), Entertainment TechnologyStandar
17、d for Portable Control Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 ProductsTable of ContentsForeword.iv1 General.11.1 Scope11.2 Overview and Architecture11.3 Compliance.12 Normative references.13 Definitions.24 Electrical Characteristics34.1 Background.34.2 Maximum and minimum cab
18、le lengths.34.3 Construction34.4 Impedance.44.5 Capacitance44.6 Dielectric Withstanding Protection45 Connection Methods45.1 Required Connector46 Electrical Specifications and Physical Layer46.1 General46.2 DMX512 Portable Cables.46.2.1 General.46.2.2 Compatibility with Legacy Equipment/Adaptors46.3
19、Data link common and grounding topologies56.4 Data Link signal designations summary.57 Required Portable Cable Disclosures5Investors in Innovation6Contact Information.7Acknowledgements.8 2016 ESTA iii CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R2016), Entertainment TechnologyStandard for Portable Control
20、Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 ProductsForeword(This foreword contains no mandatory requirements.)This standard describes the types of portable cable used to interconnect products which comply with ANSI E1.11, Entertainment Technology USITT DMX512-A: Asynchronous Seri
21、al Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories.In 2003, The Control Protocols Working Group of ESTAs Technical Standards Program authorized the formation of a DMX512 Cabling Task Group. Writing an American National Standard for the use of portable DMX512-A c
22、ables was one of the projects assigned to this Task Group. This document is the result. It was developed under the Policies and Procedures of the ESTA Technical Standards Program, and reaffirmed under the Policies and Procedures of the PLASA Technical Standards ProgramInitial Task Group (Company aff
23、iliations are those during the initial project)Chair: John David Butler, Integrated Theatre, Inc.Editor: Ted Paget, Jones at DMX512 data rates this will give rise to bit time distortion and signal reflections/overshoot.4.2 Maximum and minimum cable lengthsMaximum and minimum run lengths are specific
24、ally omitted from this standard. A number of factors, including signal quality, device operating characteristics including capacitive values, and installation environment can affect these lengths, and is beyond the scope of this standard.4.3 ConstructionPortable DMX512 cables shall use twisted pair
25、conductors. Conductors shall be of stranded construction. The raw cable used for a DMX512 cable assembly shall be declared by its manufacturer as suitable for use with EIA-422/EIA-485/EIA-485-A systems. Shielding shall be on individual pairs or overall shielding of pairs, or both. The portable cable
26、 itself shall be flexible and rugged enough for the repeated coiling and uncoiling to which it will be subjected.4.3.1 Cables implementing only the Primary Data Link shall consist of at least one twisted pair and be marked according to Clause 7.1. 2016 ESTA 3 CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R20
27、11), Entertainment TechnologyStandard for Portable Control Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 Products4.3.2 Cables implementing both Data Links shall consist of at least two twisted pairs and be marked according toClause 7.1.4.3.3 Cables implementing only the Secondary Da
28、ta Link shall not be allowed.4.4 ImpedancePortable DMX512 cables shall have a characteristic impedance in the range 100 to 120 ohms. Due to the characteristic impedance of 120 ohms in EIA-485 systems, 120 ohms is preferred.4.5 CapacitanceCapacitance between conductors within a shield shall not excee
29、d 19.8 pF/ft (65 pF/m). Capacitance between any conductor and the shield shall not exceed 35 pF/ft (115 pF/m).4.6 Dielectric Withstanding ProtectionDielectric rating for portable DMX512 cables shall conform to prevailing electrical codes. Requirements for specific voltage ratings, insulation types,
30、jacket materials and other characteristics vary with location and application, and are beyond the scope of this Standard.5 Connection Methods5.1 Required ConnectorPortable cables shall use 5-pin XLR connectors. The physical pin designations of the 5-pin XLR shall be in accordance with Table 1.Any us
31、e of alternate connectors shall comply with ANSI E1.11.6 Electrical Specifications and Physical Layer6.1 GeneralThis standard addresses portable cables for use in DMX512 systems that conform to EIA-485-A and additional physical layer requirements. Where a conflict exists, DMX512-A shall govern. The
32、physical layer of a DMX512 data link is constrained by earth grounding practices, termination methods, signal levels, EMI, and accidental damage by connection to other devices.6.2 DMX512 Portable Cables6.2.1 GeneralA DMX512 Portable Cable is a digital data transmission cable designed for the provisi
33、onal interconnection of twoDMX512 devices. Portable cables shall each have two prescribed connectors, a male 5-pin XLR at the end nearest the transmitting device and a female 5-pin XLR at the end nearest the receiving device. Pins shall be designated 1 through 5. There shall be no connection to the
34、shell.6.2.2 Compatibility with Legacy Equipment/AdaptorsSome legacy equipment placed voltages on the second pair of data conductors that may damage other connected DMX512 devices. Portable adaptors intended to break the second pair for the purpose of protecting DMX512 devices are beyond the scope of
35、 this standard.Adaptors such as turnarounds, gender changers, taps, etc. are beyond the scope of this standard. 2016 ESTA 4 CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R2011), Entertainment TechnologyStandard for Portable Control Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 ProductsUsers
36、are cautioned that E1.27-1 cables may be connected to adaptors that change the functionality of the E1.27-1 cable.6.3 Data link common and grounding topologiesIn all cases Pin 1 of DMX512 portable cable connectors shall act as Data Link Common. The wire connected to Pin 1 shall be no smaller than th
37、e wire used for the twisted pairs in the cable.6.4 Data Link signal designations summaryTable 1 - Signal designations summaryUse 5-Pin XLR Pin DMX512 FunctionCommon Reference 1 Data Link CommonPrimary Data Link 2 Data 1 -3 Data 1 +Secondary Data Link 4 Data 2 -5 Data 2 +Each data link shall consist
38、of a separate twisted pair.7 Required Portable Cable Disclosures7.1 Portable DMX512 cables shall come with the following declaration: “Complies with ANSI E1.27-1 Standardfor Portable Control Cables for Use with ANSI E1.11 (DMX512-A) and USITT DMX512/1990 Products”.7.2 The cable assembly shall be mar
39、ked with “ANSI E1.27-1“ at both ends of the cable. Cables shorter than 6.6 feet (2m) long shall be permitted to be labeled at one end only.7.3 Cables which implement both Data Links shall be additionally marked with the text, “Two Pair” or “2-Pair”.7.4 Cables which implement only the Primary Data Li
40、nk shall be additionally marked with the text, “Single Pair” or “1-Pair”. Such cables shall also be marked with a violet colored band a minimum of 1/2-inch (12.7 mm) wide around the entire circumference of the cable jacket within 2 inches (50.8 mm) of the required text markings.7.5 All marks shall b
41、e made in a durable manner. 2016 ESTA 5 CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R2011), Entertainment TechnologyStandard for Portable Control Cables for Use withANSI E1.11 (DMX512-A) and USITT DMX512/1990 ProductsInvestors in InnovationThe Technical Standard Program (TSP) is financially supported by ES
42、TA and by companies and individuals who make undirected donations to the TSP. Contributing companies and individuals who have helped fund the TSP are recognized as “Investors in Innovation.” The Investors in Innovation when this standard was approved on 28 December 2015 included these companies and
43、individuals:VISIONARY Altman Lighting, Inc.B-Hive Industries, Inc.Boston Illumination groupCandela Controls Inc.Clark-Reder EngineeringColumbus McKinnonDesignLab Chicago / Interesting ProductsLDIJohn T. McGrawProSight Specialty InsuranceSapsis RiggingTheatre Safety ProgramsUnited States Institute fo
44、r Theatre TechnologyKen VanniceView One, Inc.Steve A. Walker Representing; Interest category)Daniel W. Antonuk; Electronic Theatre Controls, Inc.; MPPaul Beasley; Walt Disney Company; URobert Bell; Acuity Brands Inc.; MPMarcus Bengtsson; LumenRadio AB; MPScott M. Blair; Full Throttle Films/ VER; DRB
45、rent Boulnois; Candela Controls, Inc.; DRIan Campbell; Doug Fleenor Design, Inc.; MPMilton Davis; Doug Fleenor Design, Inc.; MPAdam De Witt; Adept Anomaly; UGary Douglas; Acuity Brands Inc.; MPBill Ellis; Candela Controls, Inc.; DEDoug Fleenor; Doug Fleenor Design, Inc.; MPRandy L. Fox; Walt Disney
46、Company; UAndrew Frazer; S; MPRobert Goddard; Goddard Design Co.; MPDennis Grow; I.A.T.S.E. Local 728; UMitch Hefter; USITT; UJeremy Hochman; Full Throttle Films/ VER; DRHarrison Hohnholt; City Theatrical, Inc.; MPJohn Huntington; I.A.T.S.E. Local 1; UMichael Karlsson; LumenRadio AB; MPJonathan Kemb
47、le; Barco; MPPaul Kleissler; City Theatrical, Inc.; MPEdwin S. Kramer; I.A.T.S.E. Local 1; UUlrich Kunkel; E3 Engineering URoger Lattin; I.A.T.S.E. Local 728; UHans Lau; LumenRadio AB; MPMichael Lay; Royal Philips; MPJoshua Liposky; Lex Products Corp.; CPDan Lisowski; University of Wisconsin - Madis
48、on; DEKevin Loewen; Acuity Brands Inc.; MPTyrone Mellon, Jr.; Lex Products Corp.; CPJoshua Moyerman; S; MPPeter Newman; Open Lighting Project; GSimon Newton; Open Lighting Project; GMaya Nigrosh; Electronic Theatre Controls, Inc.; MPAndrew Nikel; City Theatrical, Inc.; MPKimberly Corbett Oates; Schu
49、ler Shook; DEJim Ohrberg; Candela Controls, Inc.; DRClaude Ostyn; Full Throttle Films/ VER; DREdward A. (Ted) Paget; Electronic Theatre Controls, Inc.; MPJason Potterf; Cisco; MPCharles Reese; Production Resource Group; DRAlan M. Rowe; I.A.T.S.E. Local 728; ULarry Schoeneman; DesignLab Chicago, Inc.; DRDane Styczynski; University of Wisconsin - Madison; DESteve Terry; Electronic Theatre Controls, Inc.; MP 2016 ESTA 8 CP/2003-1028r5.2ANSI E1.27-1 - 2006 (R2011), Entertainment TechnologyStandard for Portable Control Cables for Use withANSI E1.1
