8800-02 ENCODER/LANDING GEAR WARNING SYSTEM
SPECIFICATIONS
Physical Specifications
Dimensions: 3.75H x 8.875L x 3.390W
Weight: 2.0lbs with mounting tray
Electrical and Functional
Power Supply Voltage: +11 to +28VDC
Supply Current: 200mA at 28VDC (each section)
Protection: Not internally fused
Inputs: Discretes
Cancel / Test (Active Low)
W.O.W (Weight On Wheels – Active Low)
Gear Down (Active High, 28VDC)
Radio Alt. DH [Active High or Low, Selectable Voltage
Low (3-5VDC), High (14-28VDC)]
Data / Communication
RS-232 RX (9600 baud) Test purposes only.
ARINC 429 Low Speed (Label 206 Computed Airspeed)
(Label 203 Pressure Altitude)
Outputs: Discreete
Warning 1 (+28VDC Active) Lamp
Warning 2 (Gnd Active) Tone
Warning 3 (Gnd Active) AFCGS System
Data / Communicaton
Gray Code (10 bits, 35,000 feet maximum value)
RS-232 TX (9600 baud) Test purposes only
RS-422 TX Test purposes only
Environmental RTCA / DO-160A
Categories: F2BAMNOBBBBBBB
Operating Temperature: -55° to +70°C
Operating Altitude: Up to 55,000 ft
Storage Temperature: -55° to +85°C
In-Flight loss of Cooling: Equipment can run indefinitely without cooling
Certification: TSO-C88aIM8800-02BG.DOC, DIR. 8800-02 IM8800-02 Shadin Avionics