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Page Title:
Discrete Signal Interface Requirements - Continued |
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|  MIL-s-7O442(AR)
APPENDIX
A
DISCRETE SIGNAL INTERFACE
REQUIREMENTS
IDENT
NUMBER
44
DIRECT\INDIRECT
ROCKET
MODE
NOMENCLATURE
DC
TYPE
SINGLE WIRE UNSHIELDED
CONDUCTOR
TYPE
AND
GAUGE
ORIGIN
FCC
DESTINATION
.
10K OHMS + 20%
DESTINATION
IMPEDANCE
HUD (CONTROLS)
SOURCE
N\A
SOURCE
IMPEDANCE
5 ma
MAX
CURRENT
MAX
VOLTAGE
MIL-STD-704
28 VDC (INDIRECT)
TRUE
STATE
VOLTAGE
FALSE
STATE
VOLTAGE
OPEN
(DIRECT)
REMARKS
Used by FCC to compute fire control reticle location for direct and
indirect fire mode.
61
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