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DMX512 Cabling Recommended Practice and Revisions to RDM Available for Review
Two draft control protocols documents are available for public review on the ESTA website through November 24, 2008. The draft documents and their supporting public review materials are available at
http://www.esta.org/tsp/documents/public_review_docs.php.
BSR E1.27-2, Entertainment Technology - Recommended Practice for Permanently Installed Control Cables for Use with ANSI E1.11 (DMX512-A) and USITT DMX512/1990 Products, describes the recommended types of data cable to be used in permanent installations to interconnect lighting equipment that comply with ANSI E1.11-2004 (DMX512-A) or with USITT
DMX512/1990. It also makes recommendations for how the cable should be installed and connected. The recommended practice, when finally approved as an American National Standard, is expected to be useful in helping to guide electrical contractors unfamiliar with entertainment lighting systems on the proper way to install a DMX512 data cable system so that it works.
BSR E1.20 - 200x, Entertainment Technology - Remote Device Management over USITT DMX512 - is a project to revise the existing RDM standard, ANSI E1.20 - 2006. There are some errors in the published document that need to be corrected; the project is only to correct those errors, not to add new functionality or to change existing functionality. The public review document is a two-part document that first lists all the proposed changes and then shows those changes as they would appear in a revised version of E1.20. Only those pages with changes are part of the review document. The other pages would not be changed from how they are in the existing ANSI E1.20 - 2006.
Please note that the ESTA website shows a Review End Date for the two documents of November 25. The review has ended when that day is reached. Comments should be submitted before that date. In addition to being asked to review the document to see if it offers adequate advice, reviewers are asked to look for protected intellectual property in the draft standard. ESTA does not warrant that its standards contain no protected intellectual property, but it also does not intend to adopt any standard that requires the use of protected intellectual property, unless that property is necessary for technical
reasons and can be licensed and used by anyone without prejudice or preference for a reasonable fee. Any protected intellectual property in the document should be pointed out in the comments.
For more information about the public review, please contact: Karl G. Ruling, Technical Standards Manager, ESTA, 875 Sixth Avenue, Suite 1005, New York, NY 10001 Tel 1-212-244-1505 Fax 1-212-244-1502
26th September 2008
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