User's Manual

TT21 Transponder Installation Manual 19 January 2009
00560-00 Issue AA
______________________
1. Preface
1.1 Purpose
This manual describes the physical and electrical characteristics and the installation requirements for a
TT21 Mode S Transponder and associated TC20 controller.
1.2 Scope
This document applies to the installation of the TT21 Mode S Transponder.
At the publication date of this manual the software version identifier for the TT21 is 1.1 and the FPGA
version identifier is 1.1. The TC20 controller software version identifier is 1.1. The software and
FPGA versions are subject to change without notice.
1.3 Changes from Previous Issue
None, this is the first issue.
1.4 Document Cross-References
00559-00 TT21 Mode S Transponder Operating Manual AA
Trig Avionics Limited Page 1