System Description

System Description and Installation Manual for MXS ICD10004-01
© Sagetech Corporation 2018 Confidential Proprietary Export-Controlled Page 55 of 160
An overview of the Target Request Message is shown in Table 0-19Table 6-19. Table 0-20Table 6-20 provides
the detailed message definition.
Table 0-19 Target Request Message Payload Structure Overview
Payload Index Message Field Number bytes
00
Request Type
1
01
Number of Participants
2
03
Participant ID
3
06
Requested Reports
1
Table 0-20 – Target Request Message Payload Structure Detail
Request Type
Byte Offset
Byte Name Field Description
00
RT0 Request Type bits b1, b0
00 = Turn on Auto-Output of specified reports for Number of Targets
1010
01 = Return Summary of # Targets (and turn off Auto-Output)
10
10 = Return requested reports for Target ID (and turn off Auto-Output)
11 = Turn off all report output.
XMIT Port bits b7, b6
00 = Transmit report on port where Target Request was received
01 = Transmit report on COM0
10 = Transmit report on COM1
11 = Transmit report on Ethernet
WARNING: If serial communication is being used then only one serial port is used for sending host
messages and for ADS-B In reports. The other RS422/RS232 port is reserved for GPS only data (if
any). Using the same COM port for both GPS and either host messages or ADS-B In reports will cause
unpredictable behavior.
10
NumberofParticipantsfieldneedstobecompletedforRequestTypes0and1.
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