TB 43-0117
KIT-1A/ATSEC
and are applied direct to the KIT-1A/TSEC.
The
1.
Brief Description: The KIT-1A/TSEC computer is
technical characteristics are classified. The following
required for mode 4 operation of IFF Transponders such
item is used with but not issued as part of the KIT-
as the AN/APX-72 or AN/APX-100. The computer
1A;TSEC:
processes mode 4 interrogations and prepares the
coded reply for transmission. The transponder can be
MT-3949A/U
Mount
operated without the computer. However, when the
computer is used, mode 4 interrogations bypass the
2.
Applicable Tools and Test Equipment: See
decoder in the transponder
Appendix B for nomenclature, NSN, etc.
Type no.
O
F
H
AN/USM-223
X
X
AN/USM-281A
X
X
PP-4838/U
Power Supply
X
X
TK-100G
Tool Kit, Electronic
X
X
TK-101/G
Tool Kit, Electronic
X
TK-105/G
Tool Kit. Electronic
X
X
TSEC/ST-21
Test, Set, Bench
X
X
NOTE
Refer to TM 11-5810-242-12P for special tools and
test equipment.
3.
Applicable Publications:
TM 11-5810-242-12P
TM 11-5810-252-34P
TM 11-5810-285-12
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