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Av. Kit Install. Manual
190-00067-02 Rev. J
Page 6
of the rack. Figure 1-2 defines the function of each pin in the 26 pin HD-DSUB
connector (J102) located above the 37 pin connector at the back of the rack. Figures
1-3 and 1-4 defines the interconnects between the rack and other instruments. The
following interfaces are provided.
1.2.3.1 37 PIN CONNECTOR (J101)
CDI: Capable of driving up to three 1000 ohm parallel
(Pins 1 and 4) loads, +150 millivolts full scale deflection with a
maximum output of +300 millivolts.
To/From: Capable of driving up to three 200 ohm parallel
(Pins 2 and 4) loads, +82 millivolts full scale deflection.
Units with Mod Status 1: +190 millivolts full scale deflec-
tion.
Nav Flag: Capable of driving up to three 1000 ohm parallel
(Pins 3 and 4) loads, 375 millivolts for flag out-of-view, and
+40 millivolts for flag in-view.
OBI data: Output providing bearing to waypoint data for a
(Pins 7, 8, and 23) Bendix/King RMI (KI 229 or equivalent).
Message annunciator: Output capable of driving negative logic message
(Pin 20) annunciators by sinking up to 500mA.
RS232 chan 1 output data: Output capable of driving devices as listed in Section 4.
(Pin 24) Conforms to the EIA specification RS-232C.
RS232 chan 2 output data: Output capable of driving devices as listed in Section 4.
(Pin 19) Conforms to the EIA specification RS-232C.
RS232 chan 1 input data: Input capable of receiving data from devices listed in
(Pin 17) Section 4. Conforms to the EIA specification RS-232C.
Arrival annunciator: Output capable of driving negative logic annunciator
(Pin 12) by sinking up to 500mA.
GPS approach active ann: Output capable of driving negative logic annunciator
(Pin 13) by sinking up to 500mA. See GNC 300 Pilot's Guide,
(GPN 190-00067-00), for more information.
GPS approach arm ann: Output capable of driving negative logic annunciator
(Pin 28) by sinking up to 500mA. See GNC 300 Pilot's Guide,
(GPN 190-00067-00), for more information.
ARINC 429 Output A & B: Output capable of interfacing with any device that has
(Pins 15 and 16) an input conforming to the GAMA ARINC 429 (low
speed) specification.