Regulatory; Table 1-2. Regulatory Data - Honeywell BendixKing KT 74 Installation Manual

Interface
Serial altitude output
Ident input
Standby input
"On ground" input
Lighting bus input
DME Suppression
Input
Suppression bus I/O
Audio output
Audio mute input
Altitude alert output
GPS Input
Serial TIS-A Output
ARINC TIS-A Output ARINC429 output for connection to traffic display.

1.3 Regulatory

Refer to Table 1-2 for regulatory data for the KT 74 Mode S Transponder.
Specification
Compliance
FCC identification
Applicable documents
Software
PLD
© Honeywell International Inc. Do not copy without express permission of Honeywell.
INSTALLATION MANUAL
89000007
Table 1-1. Interface Services (Cont)
Description of Service
Connection to a GPS or other device needing serial altitude
data – this allows the transponder to act as a repeater
instead of requiring a second altitude encoder.
External IDENT switch input.
External standby input for dual transponder installations.
Allows automatic flight/ground mode switching for aircraft
with a squat switch.
Used to adjust the backlight and switch lighting intensity.
Input to limit interference between DME interrogations and
transponder replies – suppresses transponder when active.
ARINC compatible suppression bus signal used in aircraft
with more sophisticated suppression needs, both an input to
and output from the transponder.
Optionally used by the altitude monitor function.
Toggle function to mute the audio output.
Output used to signal altitude deviations when altitude
monitor function is used.
Connection to a GPS supplying position input for ADS-B
position reporting.
RS232 output for connection to traffic display.

Table 1-2. Regulatory Data

Characteristics
ETSO C112d, TSO C112d; Class 1 Level 2es
ETSO C166b, TSO C166b; Class B1S
VZI01157
EUROCAE ED-73E, EUROCAE ED-14G (RTCA DO-
160G), RTCA DO-181E, RTCA DO-260B Corrigenda 1
ED-12B (RTCA DO-178B) Level B
DO-254B Class C
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15 Nov 2013