User's Manual
TT21 Transponder Installation Manual 19 January 2009
00560-00 Issue AA
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4. Unit and Accessories supplied
4.1 TT21 Mode S Transponder Items
The TT21 Mode S transponder includes the following items:
Unit Description Qty Part Number
TT21 Mode S Transponder 1 00675-00
TT21 Mounting Tray 1 00667-00
4.2 TC20 Controller Items
The TC20 controller includes the following items:
Unit Description Qty Part Number
TC20 Transponder Controller 1 00649-00
TT21 Installation Kit 1 00668-00
4.3 Installation Kit
The TT21 installation kit includes the following items:
Unit Description Qty Part Number
TT21 Transponder Installation Manual 1 00560-00
TT21 Pilots Operating Manual 1 00559-00
Mounting adapter (circular hole adapter) 2 00678-00
Connector Co-axial TNC 1 00723-00
Screwlock assembly 4 00724-00
Headshell, 9 Way 1 00725-00
Headshell, 25 way 1 00726-00
9 way D-type contact housing (female) 1 00727-00
25 way D-type contact housing (male) 1 00728-00
Crimp Terminal, Male, 22-24 AWG 20 00729-00
Crimp Terminal, Female, 22-24 AWG 9 00730-00
Static tubing, EPDM 5mm ID 1 00731-00
Hose T piece 1 00732-00
Hose Adapter 2 00733-00
Hose clip, small 6 00734-00
Hose clip, large 2 00735-00
Long mounting screws, 4-40 thread 4 00736-00
Short mounting screws, 4-40 thread 4 00737-00
Trig Avionics Limited Page 5