1、 TIA-102.AABC-D-3 (Addendum to TIA-102.AABC-D) May 2018Project 25 Trunking Control Channel Messages Addendum 3- Accessory Sensed Emergency ANSI/TIA-102.AABC-D-3-2018 APPROVED: MAY 8, 2018 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating
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23、HED BY TIA WITHOUT SUCH LIMITATIONS. TIA-102.AABC-D-3 Foreword (This foreword is not part of this standard.) This document has been submitted to APCO/NASTD/FED by the Telecommunications Industry Association (TIA), as provided for in a Memorandum of Understanding (MOU) dated December 1993. That MOU p
24、rovides that APCO/NASTD/FED will devise a Common System Standard for digital public safety communications (the Standard), and that TIA shall provide technical assistance in the development of documentation for the Standard. This document has been developed with inputs from the Trunking and Conventio
25、nal Control Subcommittee (TR-8.10), and TIA Industry members. The ANSI/TIA-102.AABC standard describes control channel messages for trunked systems meeting the Project 25 requirements. These definitions are necessary to insure interoperability of trunked radio units. This addendum will become part o
26、f the standard ANSI/TIA-102.AABC. This document is a standard. It presents trunking messages recommended by TIA to APCO/NASTD/FED as being suitable for use as part of their standard for a digital public safety radio system (Project 25). TIA expects that APCO/NASTD/FED shall establish and publish one
27、 or more standards for trunking operation. TIA-102.AABC-D-3 1 Contents INTRODUCTION 2 ADDENDUM SCOPE 2 6.1.6 Emergency Alarm Request (EMRG_ALRM_REQ) 3 TABLE 6.1.6-1 EMERGENCY ALARM REQUEST SI-1 MAPPING 3 TABLE 6.1.6-2 EMERGENCY ALARM REQUEST SI-2 VALUES 3 TIA-102.AABC-D-3 2 Introduction The purpose
28、of this addendum is to update information contained in ANSI/TIA-102.AABC-D, “Trunking Control Channel Messages“. This addendum builds on previous enhancements to the Emergency Alarm Request message as described in the Scope below. Addendum Scope This addendum enhances trunking control channel messag
29、es as follows: (1) Specification of an “Accessory Sensed Emergency” (ASE) bit in the “Special Information 1” (SI-1) field of the EMRG_ALRM_REQ message to convey additional information regarding a specific emergency alarm scenario request. (2) Specification of a “Vest Pierced” code in the SI-2 “Speci
30、al Information 2” (SI-2) field of the EMRG_ALRM_REQ message to convey additional information regarding a specific accessory emergency alarm scenario request. This document will only include information relevant to the above-listed functionality. The reader is referred to ANSI/TIA-102.AABC-D, ANSI/TI
31、A-102.AABC-D-1 and ANSI/TIA-102.AABC-D-2 for all other pertinent information. The next complete revision of ANSI/TIA-102.AABC will incorporate the changes contained in this addendum. Note that section numbers identified in this addendum directly translate to section numbers in the ANSI/TIA-102.AABC-
32、D, ANSI/TIA-102.AABC-D-1 and ANSI/TIA-102.AABC-D-2 Trunking Control Channel Messages and Trunking Control Channel Messages Addendum documents. TIA-102.AABC-D-3 3 Addendum changes to TIA-102.AABC-D-2 begin here. 6.1.6 Emergency Alarm Request (EMRG_ALRM_REQ) Table 6.1.6-1 Emergency Alarm Request SI-1
33、Mapping AC IC6 IC5 IC4 IC3 ASE VSE MD 7 6 5 4 3 2 1 0 Bit 0 = MD = %1 to indicate Man-Down condition Bit 1 = VSE = %1 to indicate Vehicle Sensed Emergency Bit 2 = ASE = %1 to indicate Accessory Sensed Emergency Bit 3-6 = ICx = %1 for Interoperable Condition x Bit 7 = AC = %1 indicates SI-2 contains
34、Additional Codes SI-2 is reserved for additional “common” codes and “user-defined” codes as listed in Table 6.1.6-2: Table 6.1.6-2 Emergency Alarm Request SI-2 Values SI-2 Value Definition $00 Default Value $01 Vest Pierced $02 - $7F Reserved for common codes $80 - $FF Reserved for user-defined code
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