GOODRICH Stormscope Series II, Installation Manual, Page: 60 / 65

WX-950
Installation Manual
A-1
Rev. C
APPENDIX A
WX-950 INTERFACE
SIGNAL & CABLE CHARACTERISTICS
INTRODUCTION
This appendix defines the electrical characteristics of all input and output signals to the WX-950 System.
Sufficient data is included to perform an electrical load analysis for the aircraft. The interface
characteristics contained in this appendix are fully compatible with ARINC specifications where noted.
Connection information identifies the unit, connector-pin and signal names as they appear on the
interconnect wiring diagram.
SIGNAL CHARACTERISTICS
Antenna I/O Antenna cables are shipped from the factory with the antenna connector
pre-wired to one end.
SENSE Signal provided by the sense channel within the
antenna. Bipolar signal voltage, ±11 V Peak Max., .05
to .1 V Peak @ 200nmi WX-PA Simulation Standard
±20%, 20 Ohm output impedance, single ended.
Charge sensed against GND from plate, less than
60µA.
CONNECTION J1-13 (SENSE) to NY163, Pin B
(Brown Wire)
ANTENNA COM. Antenna power return.
CONNECTION J1-22 (ANT COM) to NY163, Pin A
(Drain Wire)
ANTENNA REF. 20 Ohm output impedance. Common (ground)
reference level from the antenna.
CONNECTION J1-23 (ANT REF) to NY163, Pin J
(Black Wire)
ANTENNA TEST A 1mA, or higher, positive current output signal from
the display/processor that causes the antenna to
generate a test strike.
CONNECTION J1-10 (ANT TEST) to NY163, Pin H
(Blue Wire)