Becker BXP6401-1 Series - GENERAL DESCRIPTION Page; Application; General Description

GENERAL DESCRIPTION
1. Application
The single block Mode S transponder BXP6401-X-(XX) is the airborne component of the
Air Traffic Control (ATC) Mode S Secondary Surveillance Radar system with added
ADS-B Transmitting Subsystem functionality. It acts as a part of the surveillance system
in two ways:
l
as a Mode S Transponder which provides responses to ground station interroga
-
tions and allows air traffic control to locate, identify and track aircraft
l
as an ADS-B Broadcast-Only System which spontaneously broadcasts aircraft in
-
formation
2.
General description
A. The BXP6401-X-(XX) transponder is designed as a single block unit and is in-
tended for installation in the instrument panel of aircraft. The dimensions cor-
respond to the standard instrument size with a 58 mm (2¼ inch) diameter.
B. All control elements are located on the front panel of the unit. The two 25-pin
unit connectors for connection to the aircraft interwiring, the 5-pin subminiatu-
re connector for the Address Module AM6400-1-(XX) and the TNC antenna
socket are located at the rear side of the unit.
C. Serial interfaces RS-422 are available at the unit connectors.
D. The Mode S transponder provides the following features:
(1) In the selective mode (Mode S), the Ground Control can interrogate the
transponder individually using an ICAO-24-bit address, which is unique
to the particular aircraft.
(2) Support of the SI code (Surveillance Identifier)
(3) Register capability for elementary surveillance (ELS) and enhanced sur-
veillance (EHS)
(4) Extended squitters transmission
(5) Data link capability
(6) GPS receiver connection capability
(7) ADS-B Broadcast-Only System Class B0 i.e. broadcasts following data:
- Airborne Position Message
- Surface Position Message
- Airborne Velocity Message
- Extended Squitter Aircraft Status Message
NOTE:
Actual generation of each ADS-B message type and data within each
message depends on availability of navigation data and GPS engine ca
-
pabilities.
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INSTALLATION AND OPERATION BXP6401-X-(XX)