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Page Title:
Discrete Signal Interface Requirements - Continued |
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|  MIL-S-70442 (AR)
APPENDIX A
IDENT NUMBER 98
DISCRETE SIGNAL INTERFACE REQUIREMENTS
HUD GO/NO-GO
NOMENCLATURE
BIT DISCRETE
TYPE
SINGLE WIRE
CONDUCTOR TYPE AND GAUGE
ORIGIN
CAUTION PANEL
AIRCRAFT
DESTINATION
>560 OHMS
DESTINATION IMPEDANCE
HUDS
SOURCE
10 OHM
SOURCE IMPEDANCE
60 ma
MAX CURRENT
28 VDC (MIL-STD-704)
MAX VOLTAGE
+28 VDC = GOOD
TRUE STATE VOLTAGE
OPEN = NO/GO
FALSE STATE VOLTAGE
REMARKS
67
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