TIA TSB-32-A-1998 Overall Transmission Plan Aspects for Telephony in a Private Network《在专用网中电话的综合传输规划方面》.pdf
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1、 TSB-32-A (Revision of TSB-32) December 1998 Reaffirmed November 2001 Reaffirmed January 2009 Overall Transmission Plan Aspects for Telephony in a Private Network NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between
2、 manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in any respect preclude any member
3、or nonmember of TIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than TIA members, whether the standard is to be used either domestically or internation
4、ally. Standards, Publications and Bulletins are adopted by TIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard, Public
5、ation, or Bulletin. Further details of the development process are available in the TIA Engineering Manual, located at bttp : (;/.jv?.i.jv“ tiamlane I arg!stcu3$cu-$slsfgkn gineering manual ethi Technical Bulletins are distinguished from TIA Standards or Documents, in that they contain a compilation
6、 of engineering data or information useful to the technical community, and represent approaches to good engineering practices that are suggested by the formulating committee. This Bulletin is not intended to preclude or discourage other approaches that similarly represent good engineering practice,
7、or that may be acceptable to, or have been accepted by, appropriate bodies. Parties who wish to bring other approaches to the attention of the formulating committee to be considered for inclusion in future revisions of this Bulletin are encouraged to do so. It is the intention of the formulating com
8、mittee to review this document every five years, but it maybe revised and updated at any time as may be occasioned by changes in technology, industry practice, or government regulations, or for other appropriate reasons. (From Project No. 3-3672, formulated under the cognizance of the TIA TR-41.1 Su
9、bcommittee on Multiline Terminal Systems.) This Document was reaffirmed by the Telecommunications Industry Association on November 21,2002. Published by OTELECOMMUNICATIONS INDUSTRY ASSOCIATION 1998 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 22201 U.S.A. PRICE: Please re
10、fer to current Catalog of TIA TELECOMMUNICATIONS INDUSTRY ASSOCIATION STANDARDS AND ENGINEERING PUBLICATIONS or call Global Engineering Documents, USA and Canada (1-800-854-7179) International (303-397-7956) or search online at http:/www.tiaonline.org/standards/search-n-order.cfm All rights reserved
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